2 * tg3.c: Broadcom Tigon3 ethernet driver.
4 * Copyright (C) 2001, 2002, 2003, 2004 David S. Miller (davem@redhat.com)
5 * Copyright (C) 2001, 2002, 2003 Jeff Garzik (jgarzik@pobox.com)
6 * Copyright (C) 2004 Sun Microsystems Inc.
7 * Copyright (C) 2005-2009 Broadcom Corporation.
10 * Derived from proprietary unpublished source code,
11 * Copyright (C) 2000-2003 Broadcom Corporation.
13 * Permission is hereby granted for the distribution of this firmware
14 * data in hexadecimal or equivalent format, provided this copyright
15 * notice is accompanying it.
19 #include <linux/module.h>
20 #include <linux/moduleparam.h>
21 #include <linux/kernel.h>
22 #include <linux/types.h>
23 #include <linux/compiler.h>
24 #include <linux/slab.h>
25 #include <linux/delay.h>
27 #include <linux/init.h>
28 #include <linux/ioport.h>
29 #include <linux/pci.h>
30 #include <linux/netdevice.h>
31 #include <linux/etherdevice.h>
32 #include <linux/skbuff.h>
33 #include <linux/ethtool.h>
34 #include <linux/mii.h>
35 #include <linux/phy.h>
36 #include <linux/brcmphy.h>
37 #include <linux/if_vlan.h>
39 #include <linux/tcp.h>
40 #include <linux/workqueue.h>
41 #include <linux/prefetch.h>
42 #include <linux/dma-mapping.h>
43 #include <linux/firmware.h>
45 #include <net/checksum.h>
48 #include <asm/system.h>
50 #include <asm/byteorder.h>
51 #include <asm/uaccess.h>
54 #include <asm/idprom.h>
61 #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
62 #define TG3_VLAN_TAG_USED 1
64 #define TG3_VLAN_TAG_USED 0
69 #define DRV_MODULE_NAME "tg3"
70 #define PFX DRV_MODULE_NAME ": "
71 #define DRV_MODULE_VERSION "3.99"
72 #define DRV_MODULE_RELDATE "April 20, 2009"
74 #define TG3_DEF_MAC_MODE 0
75 #define TG3_DEF_RX_MODE 0
76 #define TG3_DEF_TX_MODE 0
77 #define TG3_DEF_MSG_ENABLE \
87 /* length of time before we decide the hardware is borked,
88 * and dev->tx_timeout() should be called to fix the problem
90 #define TG3_TX_TIMEOUT (5 * HZ)
92 /* hardware minimum and maximum for a single frame's data payload */
93 #define TG3_MIN_MTU 60
94 #define TG3_MAX_MTU(tp) \
95 ((tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) ? 9000 : 1500)
97 /* These numbers seem to be hard coded in the NIC firmware somehow.
98 * You can't change the ring sizes, but you can change where you place
99 * them in the NIC onboard memory.
101 #define TG3_RX_RING_SIZE 512
102 #define TG3_DEF_RX_RING_PENDING 200
103 #define TG3_RX_JUMBO_RING_SIZE 256
104 #define TG3_DEF_RX_JUMBO_RING_PENDING 100
106 /* Do not place this n-ring entries value into the tp struct itself,
107 * we really want to expose these constants to GCC so that modulo et
108 * al. operations are done with shifts and masks instead of with
109 * hw multiply/modulo instructions. Another solution would be to
110 * replace things like '% foo' with '& (foo - 1)'.
112 #define TG3_RX_RCB_RING_SIZE(tp) \
113 ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ? 512 : 1024)
115 #define TG3_TX_RING_SIZE 512
116 #define TG3_DEF_TX_RING_PENDING (TG3_TX_RING_SIZE - 1)
118 #define TG3_RX_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
120 #define TG3_RX_JUMBO_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
121 TG3_RX_JUMBO_RING_SIZE)
122 #define TG3_RX_RCB_RING_BYTES(tp) (sizeof(struct tg3_rx_buffer_desc) * \
123 TG3_RX_RCB_RING_SIZE(tp))
124 #define TG3_TX_RING_BYTES (sizeof(struct tg3_tx_buffer_desc) * \
126 #define NEXT_TX(N) (((N) + 1) & (TG3_TX_RING_SIZE - 1))
128 #define RX_PKT_BUF_SZ (1536 + tp->rx_offset + 64)
129 #define RX_JUMBO_PKT_BUF_SZ (9046 + tp->rx_offset + 64)
131 /* minimum number of free TX descriptors required to wake up TX process */
132 #define TG3_TX_WAKEUP_THRESH(tp) ((tp)->tx_pending / 4)
134 #define TG3_RAW_IP_ALIGN 2
136 /* number of ETHTOOL_GSTATS u64's */
137 #define TG3_NUM_STATS (sizeof(struct tg3_ethtool_stats)/sizeof(u64))
139 #define TG3_NUM_TEST 6
141 #define FIRMWARE_TG3 "tigon/tg3.bin"
142 #define FIRMWARE_TG3TSO "tigon/tg3_tso.bin"
143 #define FIRMWARE_TG3TSO5 "tigon/tg3_tso5.bin"
145 static char version[] __devinitdata =
146 DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
148 MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)");
149 MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
150 MODULE_LICENSE("GPL");
151 MODULE_VERSION(DRV_MODULE_VERSION);
152 MODULE_FIRMWARE(FIRMWARE_TG3);
153 MODULE_FIRMWARE(FIRMWARE_TG3TSO);
154 MODULE_FIRMWARE(FIRMWARE_TG3TSO5);
157 static int tg3_debug = -1; /* -1 == use TG3_DEF_MSG_ENABLE as value */
158 module_param(tg3_debug, int, 0);
159 MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value");
161 static struct pci_device_id tg3_pci_tbl[] = {
162 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700)},
163 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701)},
164 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702)},
165 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703)},
166 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704)},
167 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE)},
168 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705)},
169 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2)},
170 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M)},
171 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2)},
172 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X)},
173 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X)},
174 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S)},
175 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3)},
176 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3)},
177 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782)},
178 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788)},
179 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789)},
180 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901)},
181 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2)},
182 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2)},
183 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F)},
184 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5720)},
185 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721)},
186 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722)},
187 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750)},
188 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751)},
189 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750M)},
190 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M)},
191 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F)},
192 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752)},
193 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M)},
194 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753)},
195 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M)},
196 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F)},
197 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754)},
198 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M)},
199 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755)},
200 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M)},
201 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5756)},
202 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786)},
203 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787)},
204 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M)},
205 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787F)},
206 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714)},
207 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S)},
208 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715)},
209 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S)},
210 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780)},
211 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S)},
212 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781)},
213 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906)},
214 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M)},
215 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5784)},
216 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5764)},
217 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5723)},
218 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761)},
219 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761E)},
220 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761S)},
221 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761SE)},
222 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5785)},
223 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57780)},
224 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57760)},
225 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57790)},
226 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57720)},
227 {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
228 {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX)},
229 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000)},
230 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001)},
231 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003)},
232 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100)},
233 {PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3)},
237 MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
239 static const struct {
240 const char string[ETH_GSTRING_LEN];
241 } ethtool_stats_keys[TG3_NUM_STATS] = {
244 { "rx_ucast_packets" },
245 { "rx_mcast_packets" },
246 { "rx_bcast_packets" },
248 { "rx_align_errors" },
249 { "rx_xon_pause_rcvd" },
250 { "rx_xoff_pause_rcvd" },
251 { "rx_mac_ctrl_rcvd" },
252 { "rx_xoff_entered" },
253 { "rx_frame_too_long_errors" },
255 { "rx_undersize_packets" },
256 { "rx_in_length_errors" },
257 { "rx_out_length_errors" },
258 { "rx_64_or_less_octet_packets" },
259 { "rx_65_to_127_octet_packets" },
260 { "rx_128_to_255_octet_packets" },
261 { "rx_256_to_511_octet_packets" },
262 { "rx_512_to_1023_octet_packets" },
263 { "rx_1024_to_1522_octet_packets" },
264 { "rx_1523_to_2047_octet_packets" },
265 { "rx_2048_to_4095_octet_packets" },
266 { "rx_4096_to_8191_octet_packets" },
267 { "rx_8192_to_9022_octet_packets" },
274 { "tx_flow_control" },
276 { "tx_single_collisions" },
277 { "tx_mult_collisions" },
279 { "tx_excessive_collisions" },
280 { "tx_late_collisions" },
281 { "tx_collide_2times" },
282 { "tx_collide_3times" },
283 { "tx_collide_4times" },
284 { "tx_collide_5times" },
285 { "tx_collide_6times" },
286 { "tx_collide_7times" },
287 { "tx_collide_8times" },
288 { "tx_collide_9times" },
289 { "tx_collide_10times" },
290 { "tx_collide_11times" },
291 { "tx_collide_12times" },
292 { "tx_collide_13times" },
293 { "tx_collide_14times" },
294 { "tx_collide_15times" },
295 { "tx_ucast_packets" },
296 { "tx_mcast_packets" },
297 { "tx_bcast_packets" },
298 { "tx_carrier_sense_errors" },
302 { "dma_writeq_full" },
303 { "dma_write_prioq_full" },
307 { "rx_threshold_hit" },
309 { "dma_readq_full" },
310 { "dma_read_prioq_full" },
311 { "tx_comp_queue_full" },
313 { "ring_set_send_prod_index" },
314 { "ring_status_update" },
316 { "nic_avoided_irqs" },
317 { "nic_tx_threshold_hit" }
320 static const struct {
321 const char string[ETH_GSTRING_LEN];
322 } ethtool_test_keys[TG3_NUM_TEST] = {
323 { "nvram test (online) " },
324 { "link test (online) " },
325 { "register test (offline)" },
326 { "memory test (offline)" },
327 { "loopback test (offline)" },
328 { "interrupt test (offline)" },
331 static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
333 writel(val, tp->regs + off);
336 static u32 tg3_read32(struct tg3 *tp, u32 off)
338 return (readl(tp->regs + off));
341 static void tg3_ape_write32(struct tg3 *tp, u32 off, u32 val)
343 writel(val, tp->aperegs + off);
346 static u32 tg3_ape_read32(struct tg3 *tp, u32 off)
348 return (readl(tp->aperegs + off));
351 static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
355 spin_lock_irqsave(&tp->indirect_lock, flags);
356 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
357 pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
358 spin_unlock_irqrestore(&tp->indirect_lock, flags);
361 static void tg3_write_flush_reg32(struct tg3 *tp, u32 off, u32 val)
363 writel(val, tp->regs + off);
364 readl(tp->regs + off);
367 static u32 tg3_read_indirect_reg32(struct tg3 *tp, u32 off)
372 spin_lock_irqsave(&tp->indirect_lock, flags);
373 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
374 pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
375 spin_unlock_irqrestore(&tp->indirect_lock, flags);
379 static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
383 if (off == (MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW)) {
384 pci_write_config_dword(tp->pdev, TG3PCI_RCV_RET_RING_CON_IDX +
385 TG3_64BIT_REG_LOW, val);
388 if (off == (MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW)) {
389 pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
390 TG3_64BIT_REG_LOW, val);
394 spin_lock_irqsave(&tp->indirect_lock, flags);
395 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
396 pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
397 spin_unlock_irqrestore(&tp->indirect_lock, flags);
399 /* In indirect mode when disabling interrupts, we also need
400 * to clear the interrupt bit in the GRC local ctrl register.
402 if ((off == (MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW)) &&
404 pci_write_config_dword(tp->pdev, TG3PCI_MISC_LOCAL_CTRL,
405 tp->grc_local_ctrl|GRC_LCLCTRL_CLEARINT);
409 static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
414 spin_lock_irqsave(&tp->indirect_lock, flags);
415 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
416 pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
417 spin_unlock_irqrestore(&tp->indirect_lock, flags);
421 /* usec_wait specifies the wait time in usec when writing to certain registers
422 * where it is unsafe to read back the register without some delay.
423 * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
424 * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
426 static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
428 if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) ||
429 (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
430 /* Non-posted methods */
431 tp->write32(tp, off, val);
434 tg3_write32(tp, off, val);
439 /* Wait again after the read for the posted method to guarantee that
440 * the wait time is met.
446 static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
448 tp->write32_mbox(tp, off, val);
449 if (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
450 !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
451 tp->read32_mbox(tp, off);
454 static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
456 void __iomem *mbox = tp->regs + off;
458 if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
460 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
464 static u32 tg3_read32_mbox_5906(struct tg3 *tp, u32 off)
466 return (readl(tp->regs + off + GRCMBOX_BASE));
469 static void tg3_write32_mbox_5906(struct tg3 *tp, u32 off, u32 val)
471 writel(val, tp->regs + off + GRCMBOX_BASE);
474 #define tw32_mailbox(reg, val) tp->write32_mbox(tp, reg, val)
475 #define tw32_mailbox_f(reg, val) tw32_mailbox_flush(tp, (reg), (val))
476 #define tw32_rx_mbox(reg, val) tp->write32_rx_mbox(tp, reg, val)
477 #define tw32_tx_mbox(reg, val) tp->write32_tx_mbox(tp, reg, val)
478 #define tr32_mailbox(reg) tp->read32_mbox(tp, reg)
480 #define tw32(reg,val) tp->write32(tp, reg, val)
481 #define tw32_f(reg,val) _tw32_flush(tp,(reg),(val), 0)
482 #define tw32_wait_f(reg,val,us) _tw32_flush(tp,(reg),(val), (us))
483 #define tr32(reg) tp->read32(tp, reg)
485 static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
489 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
490 (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC))
493 spin_lock_irqsave(&tp->indirect_lock, flags);
494 if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
495 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
496 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
498 /* Always leave this as zero. */
499 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
501 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
502 tw32_f(TG3PCI_MEM_WIN_DATA, val);
504 /* Always leave this as zero. */
505 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
507 spin_unlock_irqrestore(&tp->indirect_lock, flags);
510 static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
514 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
515 (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC)) {
520 spin_lock_irqsave(&tp->indirect_lock, flags);
521 if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
522 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
523 pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
525 /* Always leave this as zero. */
526 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
528 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
529 *val = tr32(TG3PCI_MEM_WIN_DATA);
531 /* Always leave this as zero. */
532 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
534 spin_unlock_irqrestore(&tp->indirect_lock, flags);
537 static void tg3_ape_lock_init(struct tg3 *tp)
541 /* Make sure the driver hasn't any stale locks. */
542 for (i = 0; i < 8; i++)
543 tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + 4 * i,
544 APE_LOCK_GRANT_DRIVER);
547 static int tg3_ape_lock(struct tg3 *tp, int locknum)
553 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
557 case TG3_APE_LOCK_GRC:
558 case TG3_APE_LOCK_MEM:
566 tg3_ape_write32(tp, TG3_APE_LOCK_REQ + off, APE_LOCK_REQ_DRIVER);
568 /* Wait for up to 1 millisecond to acquire lock. */
569 for (i = 0; i < 100; i++) {
570 status = tg3_ape_read32(tp, TG3_APE_LOCK_GRANT + off);
571 if (status == APE_LOCK_GRANT_DRIVER)
576 if (status != APE_LOCK_GRANT_DRIVER) {
577 /* Revoke the lock request. */
578 tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + off,
579 APE_LOCK_GRANT_DRIVER);
587 static void tg3_ape_unlock(struct tg3 *tp, int locknum)
591 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
595 case TG3_APE_LOCK_GRC:
596 case TG3_APE_LOCK_MEM:
603 tg3_ape_write32(tp, TG3_APE_LOCK_GRANT + off, APE_LOCK_GRANT_DRIVER);
606 static void tg3_disable_ints(struct tg3 *tp)
608 tw32(TG3PCI_MISC_HOST_CTRL,
609 (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
610 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
613 static inline void tg3_cond_int(struct tg3 *tp)
615 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
616 (tp->hw_status->status & SD_STATUS_UPDATED))
617 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
619 tw32(HOSTCC_MODE, tp->coalesce_mode |
620 (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
623 static void tg3_enable_ints(struct tg3 *tp)
628 tw32(TG3PCI_MISC_HOST_CTRL,
629 (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
630 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
631 (tp->last_tag << 24));
632 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
633 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
634 (tp->last_tag << 24));
638 static inline unsigned int tg3_has_work(struct tg3 *tp)
640 struct tg3_hw_status *sblk = tp->hw_status;
641 unsigned int work_exists = 0;
643 /* check for phy events */
644 if (!(tp->tg3_flags &
645 (TG3_FLAG_USE_LINKCHG_REG |
646 TG3_FLAG_POLL_SERDES))) {
647 if (sblk->status & SD_STATUS_LINK_CHG)
650 /* check for RX/TX work to do */
651 if (sblk->idx[0].tx_consumer != tp->tx_cons ||
652 sblk->idx[0].rx_producer != tp->rx_rcb_ptr)
659 * similar to tg3_enable_ints, but it accurately determines whether there
660 * is new work pending and can return without flushing the PIO write
661 * which reenables interrupts
663 static void tg3_restart_ints(struct tg3 *tp)
665 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
669 /* When doing tagged status, this work check is unnecessary.
670 * The last_tag we write above tells the chip which piece of
671 * work we've completed.
673 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
675 tw32(HOSTCC_MODE, tp->coalesce_mode |
676 (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
679 static inline void tg3_netif_stop(struct tg3 *tp)
681 tp->dev->trans_start = jiffies; /* prevent tx timeout */
682 napi_disable(&tp->napi);
683 netif_tx_disable(tp->dev);
686 static inline void tg3_netif_start(struct tg3 *tp)
688 netif_wake_queue(tp->dev);
689 /* NOTE: unconditional netif_wake_queue is only appropriate
690 * so long as all callers are assured to have free tx slots
691 * (such as after tg3_init_hw)
693 napi_enable(&tp->napi);
694 tp->hw_status->status |= SD_STATUS_UPDATED;
698 static void tg3_switch_clocks(struct tg3 *tp)
700 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
703 if ((tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
704 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
707 orig_clock_ctrl = clock_ctrl;
708 clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
709 CLOCK_CTRL_CLKRUN_OENABLE |
711 tp->pci_clock_ctrl = clock_ctrl;
713 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
714 if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
715 tw32_wait_f(TG3PCI_CLOCK_CTRL,
716 clock_ctrl | CLOCK_CTRL_625_CORE, 40);
718 } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
719 tw32_wait_f(TG3PCI_CLOCK_CTRL,
721 (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK),
723 tw32_wait_f(TG3PCI_CLOCK_CTRL,
724 clock_ctrl | (CLOCK_CTRL_ALTCLK),
727 tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40);
730 #define PHY_BUSY_LOOPS 5000
732 static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
738 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
740 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
746 frame_val = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
747 MI_COM_PHY_ADDR_MASK);
748 frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
749 MI_COM_REG_ADDR_MASK);
750 frame_val |= (MI_COM_CMD_READ | MI_COM_START);
752 tw32_f(MAC_MI_COM, frame_val);
754 loops = PHY_BUSY_LOOPS;
757 frame_val = tr32(MAC_MI_COM);
759 if ((frame_val & MI_COM_BUSY) == 0) {
761 frame_val = tr32(MAC_MI_COM);
769 *val = frame_val & MI_COM_DATA_MASK;
773 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
774 tw32_f(MAC_MI_MODE, tp->mi_mode);
781 static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
787 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 &&
788 (reg == MII_TG3_CTRL || reg == MII_TG3_AUX_CTRL))
791 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
793 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
797 frame_val = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
798 MI_COM_PHY_ADDR_MASK);
799 frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
800 MI_COM_REG_ADDR_MASK);
801 frame_val |= (val & MI_COM_DATA_MASK);
802 frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
804 tw32_f(MAC_MI_COM, frame_val);
806 loops = PHY_BUSY_LOOPS;
809 frame_val = tr32(MAC_MI_COM);
810 if ((frame_val & MI_COM_BUSY) == 0) {
812 frame_val = tr32(MAC_MI_COM);
822 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
823 tw32_f(MAC_MI_MODE, tp->mi_mode);
830 static int tg3_bmcr_reset(struct tg3 *tp)
835 /* OK, reset it, and poll the BMCR_RESET bit until it
836 * clears or we time out.
838 phy_control = BMCR_RESET;
839 err = tg3_writephy(tp, MII_BMCR, phy_control);
845 err = tg3_readphy(tp, MII_BMCR, &phy_control);
849 if ((phy_control & BMCR_RESET) == 0) {
861 static int tg3_mdio_read(struct mii_bus *bp, int mii_id, int reg)
863 struct tg3 *tp = bp->priv;
866 if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_PAUSED)
869 if (tg3_readphy(tp, reg, &val))
875 static int tg3_mdio_write(struct mii_bus *bp, int mii_id, int reg, u16 val)
877 struct tg3 *tp = bp->priv;
879 if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_PAUSED)
882 if (tg3_writephy(tp, reg, val))
888 static int tg3_mdio_reset(struct mii_bus *bp)
893 static void tg3_mdio_config_5785(struct tg3 *tp)
896 struct phy_device *phydev;
898 phydev = tp->mdio_bus->phy_map[PHY_ADDR];
899 switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
900 case TG3_PHY_ID_BCM50610:
901 val = MAC_PHYCFG2_50610_LED_MODES;
903 case TG3_PHY_ID_BCMAC131:
904 val = MAC_PHYCFG2_AC131_LED_MODES;
906 case TG3_PHY_ID_RTL8211C:
907 val = MAC_PHYCFG2_RTL8211C_LED_MODES;
909 case TG3_PHY_ID_RTL8201E:
910 val = MAC_PHYCFG2_RTL8201E_LED_MODES;
916 if (phydev->interface != PHY_INTERFACE_MODE_RGMII) {
917 tw32(MAC_PHYCFG2, val);
919 val = tr32(MAC_PHYCFG1);
920 val &= ~MAC_PHYCFG1_RGMII_INT;
921 tw32(MAC_PHYCFG1, val);
926 if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE))
927 val |= MAC_PHYCFG2_EMODE_MASK_MASK |
928 MAC_PHYCFG2_FMODE_MASK_MASK |
929 MAC_PHYCFG2_GMODE_MASK_MASK |
930 MAC_PHYCFG2_ACT_MASK_MASK |
931 MAC_PHYCFG2_QUAL_MASK_MASK |
932 MAC_PHYCFG2_INBAND_ENABLE;
934 tw32(MAC_PHYCFG2, val);
936 val = tr32(MAC_PHYCFG1) & ~(MAC_PHYCFG1_RGMII_EXT_RX_DEC |
937 MAC_PHYCFG1_RGMII_SND_STAT_EN);
938 if (tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE) {
939 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
940 val |= MAC_PHYCFG1_RGMII_EXT_RX_DEC;
941 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
942 val |= MAC_PHYCFG1_RGMII_SND_STAT_EN;
944 tw32(MAC_PHYCFG1, val | MAC_PHYCFG1_RGMII_INT | MAC_PHYCFG1_TXC_DRV);
946 val = tr32(MAC_EXT_RGMII_MODE);
947 val &= ~(MAC_RGMII_MODE_RX_INT_B |
948 MAC_RGMII_MODE_RX_QUALITY |
949 MAC_RGMII_MODE_RX_ACTIVITY |
950 MAC_RGMII_MODE_RX_ENG_DET |
951 MAC_RGMII_MODE_TX_ENABLE |
952 MAC_RGMII_MODE_TX_LOWPWR |
953 MAC_RGMII_MODE_TX_RESET);
954 if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE)) {
955 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
956 val |= MAC_RGMII_MODE_RX_INT_B |
957 MAC_RGMII_MODE_RX_QUALITY |
958 MAC_RGMII_MODE_RX_ACTIVITY |
959 MAC_RGMII_MODE_RX_ENG_DET;
960 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
961 val |= MAC_RGMII_MODE_TX_ENABLE |
962 MAC_RGMII_MODE_TX_LOWPWR |
963 MAC_RGMII_MODE_TX_RESET;
965 tw32(MAC_EXT_RGMII_MODE, val);
968 static void tg3_mdio_start(struct tg3 *tp)
970 if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) {
971 mutex_lock(&tp->mdio_bus->mdio_lock);
972 tp->tg3_flags3 &= ~TG3_FLG3_MDIOBUS_PAUSED;
973 mutex_unlock(&tp->mdio_bus->mdio_lock);
976 tp->mi_mode &= ~MAC_MI_MODE_AUTO_POLL;
977 tw32_f(MAC_MI_MODE, tp->mi_mode);
980 if ((tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) &&
981 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
982 tg3_mdio_config_5785(tp);
985 static void tg3_mdio_stop(struct tg3 *tp)
987 if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) {
988 mutex_lock(&tp->mdio_bus->mdio_lock);
989 tp->tg3_flags3 |= TG3_FLG3_MDIOBUS_PAUSED;
990 mutex_unlock(&tp->mdio_bus->mdio_lock);
994 static int tg3_mdio_init(struct tg3 *tp)
998 struct phy_device *phydev;
1002 if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) ||
1003 (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED))
1006 tp->mdio_bus = mdiobus_alloc();
1007 if (tp->mdio_bus == NULL)
1010 tp->mdio_bus->name = "tg3 mdio bus";
1011 snprintf(tp->mdio_bus->id, MII_BUS_ID_SIZE, "%x",
1012 (tp->pdev->bus->number << 8) | tp->pdev->devfn);
1013 tp->mdio_bus->priv = tp;
1014 tp->mdio_bus->parent = &tp->pdev->dev;
1015 tp->mdio_bus->read = &tg3_mdio_read;
1016 tp->mdio_bus->write = &tg3_mdio_write;
1017 tp->mdio_bus->reset = &tg3_mdio_reset;
1018 tp->mdio_bus->phy_mask = ~(1 << PHY_ADDR);
1019 tp->mdio_bus->irq = &tp->mdio_irq[0];
1021 for (i = 0; i < PHY_MAX_ADDR; i++)
1022 tp->mdio_bus->irq[i] = PHY_POLL;
1024 /* The bus registration will look for all the PHYs on the mdio bus.
1025 * Unfortunately, it does not ensure the PHY is powered up before
1026 * accessing the PHY ID registers. A chip reset is the
1027 * quickest way to bring the device back to an operational state..
1029 if (tg3_readphy(tp, MII_BMCR, ®) || (reg & BMCR_PDOWN))
1032 i = mdiobus_register(tp->mdio_bus);
1034 printk(KERN_WARNING "%s: mdiobus_reg failed (0x%x)\n",
1036 mdiobus_free(tp->mdio_bus);
1040 phydev = tp->mdio_bus->phy_map[PHY_ADDR];
1042 if (!phydev || !phydev->drv) {
1043 printk(KERN_WARNING "%s: No PHY devices\n", tp->dev->name);
1044 mdiobus_unregister(tp->mdio_bus);
1045 mdiobus_free(tp->mdio_bus);
1049 switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
1050 case TG3_PHY_ID_BCM57780:
1051 phydev->interface = PHY_INTERFACE_MODE_GMII;
1053 case TG3_PHY_ID_BCM50610:
1054 if (tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE)
1055 phydev->dev_flags |= PHY_BRCM_STD_IBND_DISABLE;
1056 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
1057 phydev->dev_flags |= PHY_BRCM_EXT_IBND_RX_ENABLE;
1058 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
1059 phydev->dev_flags |= PHY_BRCM_EXT_IBND_TX_ENABLE;
1061 case TG3_PHY_ID_RTL8211C:
1062 phydev->interface = PHY_INTERFACE_MODE_RGMII;
1064 case TG3_PHY_ID_RTL8201E:
1065 case TG3_PHY_ID_BCMAC131:
1066 phydev->interface = PHY_INTERFACE_MODE_MII;
1070 tp->tg3_flags3 |= TG3_FLG3_MDIOBUS_INITED;
1072 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
1073 tg3_mdio_config_5785(tp);
1078 static void tg3_mdio_fini(struct tg3 *tp)
1080 if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) {
1081 tp->tg3_flags3 &= ~TG3_FLG3_MDIOBUS_INITED;
1082 mdiobus_unregister(tp->mdio_bus);
1083 mdiobus_free(tp->mdio_bus);
1084 tp->tg3_flags3 &= ~TG3_FLG3_MDIOBUS_PAUSED;
1088 /* tp->lock is held. */
1089 static inline void tg3_generate_fw_event(struct tg3 *tp)
1093 val = tr32(GRC_RX_CPU_EVENT);
1094 val |= GRC_RX_CPU_DRIVER_EVENT;
1095 tw32_f(GRC_RX_CPU_EVENT, val);
1097 tp->last_event_jiffies = jiffies;
1100 #define TG3_FW_EVENT_TIMEOUT_USEC 2500
1102 /* tp->lock is held. */
1103 static void tg3_wait_for_event_ack(struct tg3 *tp)
1106 unsigned int delay_cnt;
1109 /* If enough time has passed, no wait is necessary. */
1110 time_remain = (long)(tp->last_event_jiffies + 1 +
1111 usecs_to_jiffies(TG3_FW_EVENT_TIMEOUT_USEC)) -
1113 if (time_remain < 0)
1116 /* Check if we can shorten the wait time. */
1117 delay_cnt = jiffies_to_usecs(time_remain);
1118 if (delay_cnt > TG3_FW_EVENT_TIMEOUT_USEC)
1119 delay_cnt = TG3_FW_EVENT_TIMEOUT_USEC;
1120 delay_cnt = (delay_cnt >> 3) + 1;
1122 for (i = 0; i < delay_cnt; i++) {
1123 if (!(tr32(GRC_RX_CPU_EVENT) & GRC_RX_CPU_DRIVER_EVENT))
1129 /* tp->lock is held. */
1130 static void tg3_ump_link_report(struct tg3 *tp)
1135 if (!(tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
1136 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
1139 tg3_wait_for_event_ack(tp);
1141 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_LINK_UPDATE);
1143 tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 14);
1146 if (!tg3_readphy(tp, MII_BMCR, ®))
1148 if (!tg3_readphy(tp, MII_BMSR, ®))
1149 val |= (reg & 0xffff);
1150 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, val);
1153 if (!tg3_readphy(tp, MII_ADVERTISE, ®))
1155 if (!tg3_readphy(tp, MII_LPA, ®))
1156 val |= (reg & 0xffff);
1157 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 4, val);
1160 if (!(tp->tg3_flags2 & TG3_FLG2_MII_SERDES)) {
1161 if (!tg3_readphy(tp, MII_CTRL1000, ®))
1163 if (!tg3_readphy(tp, MII_STAT1000, ®))
1164 val |= (reg & 0xffff);
1166 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 8, val);
1168 if (!tg3_readphy(tp, MII_PHYADDR, ®))
1172 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 12, val);
1174 tg3_generate_fw_event(tp);
1177 static void tg3_link_report(struct tg3 *tp)
1179 if (!netif_carrier_ok(tp->dev)) {
1180 if (netif_msg_link(tp))
1181 printk(KERN_INFO PFX "%s: Link is down.\n",
1183 tg3_ump_link_report(tp);
1184 } else if (netif_msg_link(tp)) {
1185 printk(KERN_INFO PFX "%s: Link is up at %d Mbps, %s duplex.\n",
1187 (tp->link_config.active_speed == SPEED_1000 ?
1189 (tp->link_config.active_speed == SPEED_100 ?
1191 (tp->link_config.active_duplex == DUPLEX_FULL ?
1194 printk(KERN_INFO PFX
1195 "%s: Flow control is %s for TX and %s for RX.\n",
1197 (tp->link_config.active_flowctrl & FLOW_CTRL_TX) ?
1199 (tp->link_config.active_flowctrl & FLOW_CTRL_RX) ?
1201 tg3_ump_link_report(tp);
1205 static u16 tg3_advert_flowctrl_1000T(u8 flow_ctrl)
1209 if ((flow_ctrl & FLOW_CTRL_TX) && (flow_ctrl & FLOW_CTRL_RX))
1210 miireg = ADVERTISE_PAUSE_CAP;
1211 else if (flow_ctrl & FLOW_CTRL_TX)
1212 miireg = ADVERTISE_PAUSE_ASYM;
1213 else if (flow_ctrl & FLOW_CTRL_RX)
1214 miireg = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1221 static u16 tg3_advert_flowctrl_1000X(u8 flow_ctrl)
1225 if ((flow_ctrl & FLOW_CTRL_TX) && (flow_ctrl & FLOW_CTRL_RX))
1226 miireg = ADVERTISE_1000XPAUSE;
1227 else if (flow_ctrl & FLOW_CTRL_TX)
1228 miireg = ADVERTISE_1000XPSE_ASYM;
1229 else if (flow_ctrl & FLOW_CTRL_RX)
1230 miireg = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1237 static u8 tg3_resolve_flowctrl_1000X(u16 lcladv, u16 rmtadv)
1241 if (lcladv & ADVERTISE_1000XPAUSE) {
1242 if (lcladv & ADVERTISE_1000XPSE_ASYM) {
1243 if (rmtadv & LPA_1000XPAUSE)
1244 cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
1245 else if (rmtadv & LPA_1000XPAUSE_ASYM)
1248 if (rmtadv & LPA_1000XPAUSE)
1249 cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
1251 } else if (lcladv & ADVERTISE_1000XPSE_ASYM) {
1252 if ((rmtadv & LPA_1000XPAUSE) && (rmtadv & LPA_1000XPAUSE_ASYM))
1259 static void tg3_setup_flow_control(struct tg3 *tp, u32 lcladv, u32 rmtadv)
1263 u32 old_rx_mode = tp->rx_mode;
1264 u32 old_tx_mode = tp->tx_mode;
1266 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)
1267 autoneg = tp->mdio_bus->phy_map[PHY_ADDR]->autoneg;
1269 autoneg = tp->link_config.autoneg;
1271 if (autoneg == AUTONEG_ENABLE &&
1272 (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG)) {
1273 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
1274 flowctrl = tg3_resolve_flowctrl_1000X(lcladv, rmtadv);
1276 flowctrl = mii_resolve_flowctrl_fdx(lcladv, rmtadv);
1278 flowctrl = tp->link_config.flowctrl;
1280 tp->link_config.active_flowctrl = flowctrl;
1282 if (flowctrl & FLOW_CTRL_RX)
1283 tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
1285 tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
1287 if (old_rx_mode != tp->rx_mode)
1288 tw32_f(MAC_RX_MODE, tp->rx_mode);
1290 if (flowctrl & FLOW_CTRL_TX)
1291 tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
1293 tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
1295 if (old_tx_mode != tp->tx_mode)
1296 tw32_f(MAC_TX_MODE, tp->tx_mode);
1299 static void tg3_adjust_link(struct net_device *dev)
1301 u8 oldflowctrl, linkmesg = 0;
1302 u32 mac_mode, lcl_adv, rmt_adv;
1303 struct tg3 *tp = netdev_priv(dev);
1304 struct phy_device *phydev = tp->mdio_bus->phy_map[PHY_ADDR];
1306 spin_lock(&tp->lock);
1308 mac_mode = tp->mac_mode & ~(MAC_MODE_PORT_MODE_MASK |
1309 MAC_MODE_HALF_DUPLEX);
1311 oldflowctrl = tp->link_config.active_flowctrl;
1317 if (phydev->speed == SPEED_100 || phydev->speed == SPEED_10)
1318 mac_mode |= MAC_MODE_PORT_MODE_MII;
1320 mac_mode |= MAC_MODE_PORT_MODE_GMII;
1322 if (phydev->duplex == DUPLEX_HALF)
1323 mac_mode |= MAC_MODE_HALF_DUPLEX;
1325 lcl_adv = tg3_advert_flowctrl_1000T(
1326 tp->link_config.flowctrl);
1329 rmt_adv = LPA_PAUSE_CAP;
1330 if (phydev->asym_pause)
1331 rmt_adv |= LPA_PAUSE_ASYM;
1334 tg3_setup_flow_control(tp, lcl_adv, rmt_adv);
1336 mac_mode |= MAC_MODE_PORT_MODE_GMII;
1338 if (mac_mode != tp->mac_mode) {
1339 tp->mac_mode = mac_mode;
1340 tw32_f(MAC_MODE, tp->mac_mode);
1344 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) {
1345 if (phydev->speed == SPEED_10)
1347 MAC_MI_STAT_10MBPS_MODE |
1348 MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
1350 tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
1353 if (phydev->speed == SPEED_1000 && phydev->duplex == DUPLEX_HALF)
1354 tw32(MAC_TX_LENGTHS,
1355 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
1356 (6 << TX_LENGTHS_IPG_SHIFT) |
1357 (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
1359 tw32(MAC_TX_LENGTHS,
1360 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
1361 (6 << TX_LENGTHS_IPG_SHIFT) |
1362 (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
1364 if ((phydev->link && tp->link_config.active_speed == SPEED_INVALID) ||
1365 (!phydev->link && tp->link_config.active_speed != SPEED_INVALID) ||
1366 phydev->speed != tp->link_config.active_speed ||
1367 phydev->duplex != tp->link_config.active_duplex ||
1368 oldflowctrl != tp->link_config.active_flowctrl)
1371 tp->link_config.active_speed = phydev->speed;
1372 tp->link_config.active_duplex = phydev->duplex;
1374 spin_unlock(&tp->lock);
1377 tg3_link_report(tp);
1380 static int tg3_phy_init(struct tg3 *tp)
1382 struct phy_device *phydev;
1384 if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED)
1387 /* Bring the PHY back to a known state. */
1390 phydev = tp->mdio_bus->phy_map[PHY_ADDR];
1392 /* Attach the MAC to the PHY. */
1393 phydev = phy_connect(tp->dev, dev_name(&phydev->dev), tg3_adjust_link,
1394 phydev->dev_flags, phydev->interface);
1395 if (IS_ERR(phydev)) {
1396 printk(KERN_ERR "%s: Could not attach to PHY\n", tp->dev->name);
1397 return PTR_ERR(phydev);
1400 /* Mask with MAC supported features. */
1401 switch (phydev->interface) {
1402 case PHY_INTERFACE_MODE_GMII:
1403 case PHY_INTERFACE_MODE_RGMII:
1404 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
1405 phydev->supported &= (PHY_GBIT_FEATURES |
1407 SUPPORTED_Asym_Pause);
1411 case PHY_INTERFACE_MODE_MII:
1412 phydev->supported &= (PHY_BASIC_FEATURES |
1414 SUPPORTED_Asym_Pause);
1417 phy_disconnect(tp->mdio_bus->phy_map[PHY_ADDR]);
1421 tp->tg3_flags3 |= TG3_FLG3_PHY_CONNECTED;
1423 phydev->advertising = phydev->supported;
1428 static void tg3_phy_start(struct tg3 *tp)
1430 struct phy_device *phydev;
1432 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
1435 phydev = tp->mdio_bus->phy_map[PHY_ADDR];
1437 if (tp->link_config.phy_is_low_power) {
1438 tp->link_config.phy_is_low_power = 0;
1439 phydev->speed = tp->link_config.orig_speed;
1440 phydev->duplex = tp->link_config.orig_duplex;
1441 phydev->autoneg = tp->link_config.orig_autoneg;
1442 phydev->advertising = tp->link_config.orig_advertising;
1447 phy_start_aneg(phydev);
1450 static void tg3_phy_stop(struct tg3 *tp)
1452 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
1455 phy_stop(tp->mdio_bus->phy_map[PHY_ADDR]);
1458 static void tg3_phy_fini(struct tg3 *tp)
1460 if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
1461 phy_disconnect(tp->mdio_bus->phy_map[PHY_ADDR]);
1462 tp->tg3_flags3 &= ~TG3_FLG3_PHY_CONNECTED;
1466 static void tg3_phydsp_write(struct tg3 *tp, u32 reg, u32 val)
1468 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, reg);
1469 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, val);
1472 static void tg3_phy_toggle_apd(struct tg3 *tp, bool enable)
1476 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
1477 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
1480 reg = MII_TG3_MISC_SHDW_WREN |
1481 MII_TG3_MISC_SHDW_SCR5_SEL |
1482 MII_TG3_MISC_SHDW_SCR5_LPED |
1483 MII_TG3_MISC_SHDW_SCR5_DLPTLM |
1484 MII_TG3_MISC_SHDW_SCR5_SDTL |
1485 MII_TG3_MISC_SHDW_SCR5_C125OE;
1486 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 || !enable)
1487 reg |= MII_TG3_MISC_SHDW_SCR5_DLLAPD;
1489 tg3_writephy(tp, MII_TG3_MISC_SHDW, reg);
1492 reg = MII_TG3_MISC_SHDW_WREN |
1493 MII_TG3_MISC_SHDW_APD_SEL |
1494 MII_TG3_MISC_SHDW_APD_WKTM_84MS;
1496 reg |= MII_TG3_MISC_SHDW_APD_ENABLE;
1498 tg3_writephy(tp, MII_TG3_MISC_SHDW, reg);
1501 static void tg3_phy_toggle_automdix(struct tg3 *tp, int enable)
1505 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
1506 (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
1509 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1512 if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &ephy)) {
1513 tg3_writephy(tp, MII_TG3_EPHY_TEST,
1514 ephy | MII_TG3_EPHY_SHADOW_EN);
1515 if (!tg3_readphy(tp, MII_TG3_EPHYTST_MISCCTRL, &phy)) {
1517 phy |= MII_TG3_EPHYTST_MISCCTRL_MDIX;
1519 phy &= ~MII_TG3_EPHYTST_MISCCTRL_MDIX;
1520 tg3_writephy(tp, MII_TG3_EPHYTST_MISCCTRL, phy);
1522 tg3_writephy(tp, MII_TG3_EPHY_TEST, ephy);
1525 phy = MII_TG3_AUXCTL_MISC_RDSEL_MISC |
1526 MII_TG3_AUXCTL_SHDWSEL_MISC;
1527 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, phy) &&
1528 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy)) {
1530 phy |= MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
1532 phy &= ~MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
1533 phy |= MII_TG3_AUXCTL_MISC_WREN;
1534 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1539 static void tg3_phy_set_wirespeed(struct tg3 *tp)
1543 if (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED)
1546 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x7007) &&
1547 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &val))
1548 tg3_writephy(tp, MII_TG3_AUX_CTRL,
1549 (val | (1 << 15) | (1 << 4)));
1552 static void tg3_phy_apply_otp(struct tg3 *tp)
1561 /* Enable SM_DSP clock and tx 6dB coding. */
1562 phy = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
1563 MII_TG3_AUXCTL_ACTL_SMDSP_ENA |
1564 MII_TG3_AUXCTL_ACTL_TX_6DB;
1565 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1567 phy = ((otp & TG3_OTP_AGCTGT_MASK) >> TG3_OTP_AGCTGT_SHIFT);
1568 phy |= MII_TG3_DSP_TAP1_AGCTGT_DFLT;
1569 tg3_phydsp_write(tp, MII_TG3_DSP_TAP1, phy);
1571 phy = ((otp & TG3_OTP_HPFFLTR_MASK) >> TG3_OTP_HPFFLTR_SHIFT) |
1572 ((otp & TG3_OTP_HPFOVER_MASK) >> TG3_OTP_HPFOVER_SHIFT);
1573 tg3_phydsp_write(tp, MII_TG3_DSP_AADJ1CH0, phy);
1575 phy = ((otp & TG3_OTP_LPFDIS_MASK) >> TG3_OTP_LPFDIS_SHIFT);
1576 phy |= MII_TG3_DSP_AADJ1CH3_ADCCKADJ;
1577 tg3_phydsp_write(tp, MII_TG3_DSP_AADJ1CH3, phy);
1579 phy = ((otp & TG3_OTP_VDAC_MASK) >> TG3_OTP_VDAC_SHIFT);
1580 tg3_phydsp_write(tp, MII_TG3_DSP_EXP75, phy);
1582 phy = ((otp & TG3_OTP_10BTAMP_MASK) >> TG3_OTP_10BTAMP_SHIFT);
1583 tg3_phydsp_write(tp, MII_TG3_DSP_EXP96, phy);
1585 phy = ((otp & TG3_OTP_ROFF_MASK) >> TG3_OTP_ROFF_SHIFT) |
1586 ((otp & TG3_OTP_RCOFF_MASK) >> TG3_OTP_RCOFF_SHIFT);
1587 tg3_phydsp_write(tp, MII_TG3_DSP_EXP97, phy);
1589 /* Turn off SM_DSP clock. */
1590 phy = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
1591 MII_TG3_AUXCTL_ACTL_TX_6DB;
1592 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1595 static int tg3_wait_macro_done(struct tg3 *tp)
1602 if (!tg3_readphy(tp, 0x16, &tmp32)) {
1603 if ((tmp32 & 0x1000) == 0)
1613 static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
1615 static const u32 test_pat[4][6] = {
1616 { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
1617 { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
1618 { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
1619 { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
1623 for (chan = 0; chan < 4; chan++) {
1626 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1627 (chan * 0x2000) | 0x0200);
1628 tg3_writephy(tp, 0x16, 0x0002);
1630 for (i = 0; i < 6; i++)
1631 tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
1634 tg3_writephy(tp, 0x16, 0x0202);
1635 if (tg3_wait_macro_done(tp)) {
1640 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1641 (chan * 0x2000) | 0x0200);
1642 tg3_writephy(tp, 0x16, 0x0082);
1643 if (tg3_wait_macro_done(tp)) {
1648 tg3_writephy(tp, 0x16, 0x0802);
1649 if (tg3_wait_macro_done(tp)) {
1654 for (i = 0; i < 6; i += 2) {
1657 if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
1658 tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
1659 tg3_wait_macro_done(tp)) {
1665 if (low != test_pat[chan][i] ||
1666 high != test_pat[chan][i+1]) {
1667 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
1668 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
1669 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
1679 static int tg3_phy_reset_chanpat(struct tg3 *tp)
1683 for (chan = 0; chan < 4; chan++) {
1686 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1687 (chan * 0x2000) | 0x0200);
1688 tg3_writephy(tp, 0x16, 0x0002);
1689 for (i = 0; i < 6; i++)
1690 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
1691 tg3_writephy(tp, 0x16, 0x0202);
1692 if (tg3_wait_macro_done(tp))
1699 static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
1701 u32 reg32, phy9_orig;
1702 int retries, do_phy_reset, err;
1708 err = tg3_bmcr_reset(tp);
1714 /* Disable transmitter and interrupt. */
1715 if (tg3_readphy(tp, MII_TG3_EXT_CTRL, ®32))
1719 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
1721 /* Set full-duplex, 1000 mbps. */
1722 tg3_writephy(tp, MII_BMCR,
1723 BMCR_FULLDPLX | TG3_BMCR_SPEED1000);
1725 /* Set to master mode. */
1726 if (tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig))
1729 tg3_writephy(tp, MII_TG3_CTRL,
1730 (MII_TG3_CTRL_AS_MASTER |
1731 MII_TG3_CTRL_ENABLE_AS_MASTER));
1733 /* Enable SM_DSP_CLOCK and 6dB. */
1734 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1736 /* Block the PHY control access. */
1737 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
1738 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0800);
1740 err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
1743 } while (--retries);
1745 err = tg3_phy_reset_chanpat(tp);
1749 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
1750 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0000);
1752 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
1753 tg3_writephy(tp, 0x16, 0x0000);
1755 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1756 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
1757 /* Set Extended packet length bit for jumbo frames */
1758 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
1761 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1764 tg3_writephy(tp, MII_TG3_CTRL, phy9_orig);
1766 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, ®32)) {
1768 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
1775 /* This will reset the tigon3 PHY if there is no valid
1776 * link unless the FORCE argument is non-zero.
1778 static int tg3_phy_reset(struct tg3 *tp)
1784 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1787 val = tr32(GRC_MISC_CFG);
1788 tw32_f(GRC_MISC_CFG, val & ~GRC_MISC_CFG_EPHY_IDDQ);
1791 err = tg3_readphy(tp, MII_BMSR, &phy_status);
1792 err |= tg3_readphy(tp, MII_BMSR, &phy_status);
1796 if (netif_running(tp->dev) && netif_carrier_ok(tp->dev)) {
1797 netif_carrier_off(tp->dev);
1798 tg3_link_report(tp);
1801 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1802 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1803 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
1804 err = tg3_phy_reset_5703_4_5(tp);
1811 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
1812 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) {
1813 cpmuctrl = tr32(TG3_CPMU_CTRL);
1814 if (cpmuctrl & CPMU_CTRL_GPHY_10MB_RXONLY)
1816 cpmuctrl & ~CPMU_CTRL_GPHY_10MB_RXONLY);
1819 err = tg3_bmcr_reset(tp);
1823 if (cpmuctrl & CPMU_CTRL_GPHY_10MB_RXONLY) {
1826 phy = MII_TG3_DSP_EXP8_AEDW | MII_TG3_DSP_EXP8_REJ2MHz;
1827 tg3_phydsp_write(tp, MII_TG3_DSP_EXP8, phy);
1829 tw32(TG3_CPMU_CTRL, cpmuctrl);
1832 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX ||
1833 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5761_AX) {
1836 val = tr32(TG3_CPMU_LSPD_1000MB_CLK);
1837 if ((val & CPMU_LSPD_1000MB_MACCLK_MASK) ==
1838 CPMU_LSPD_1000MB_MACCLK_12_5) {
1839 val &= ~CPMU_LSPD_1000MB_MACCLK_MASK;
1841 tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
1845 tg3_phy_apply_otp(tp);
1847 if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
1848 tg3_phy_toggle_apd(tp, true);
1850 tg3_phy_toggle_apd(tp, false);
1853 if (tp->tg3_flags2 & TG3_FLG2_PHY_ADC_BUG) {
1854 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1855 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1856 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x2aaa);
1857 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1858 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0323);
1859 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1861 if (tp->tg3_flags2 & TG3_FLG2_PHY_5704_A0_BUG) {
1862 tg3_writephy(tp, 0x1c, 0x8d68);
1863 tg3_writephy(tp, 0x1c, 0x8d68);
1865 if (tp->tg3_flags2 & TG3_FLG2_PHY_BER_BUG) {
1866 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1867 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1868 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x310b);
1869 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1870 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x9506);
1871 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x401f);
1872 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2);
1873 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1875 else if (tp->tg3_flags2 & TG3_FLG2_PHY_JITTER_BUG) {
1876 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1877 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1878 if (tp->tg3_flags2 & TG3_FLG2_PHY_ADJUST_TRIM) {
1879 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x110b);
1880 tg3_writephy(tp, MII_TG3_TEST1,
1881 MII_TG3_TEST1_TRIM_EN | 0x4);
1883 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
1884 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1886 /* Set Extended packet length bit (bit 14) on all chips that */
1887 /* support jumbo frames */
1888 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1889 /* Cannot do read-modify-write on 5401 */
1890 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
1891 } else if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
1894 /* Set bit 14 with read-modify-write to preserve other bits */
1895 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0007) &&
1896 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy_reg))
1897 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy_reg | 0x4000);
1900 /* Set phy register 0x10 bit 0 to high fifo elasticity to support
1901 * jumbo frames transmission.
1903 if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
1906 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &phy_reg))
1907 tg3_writephy(tp, MII_TG3_EXT_CTRL,
1908 phy_reg | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
1911 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1912 /* adjust output voltage */
1913 tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x12);
1916 tg3_phy_toggle_automdix(tp, 1);
1917 tg3_phy_set_wirespeed(tp);
1921 static void tg3_frob_aux_power(struct tg3 *tp)
1923 struct tg3 *tp_peer = tp;
1925 if ((tp->tg3_flags2 & TG3_FLG2_IS_NIC) == 0)
1928 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
1929 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
1930 struct net_device *dev_peer;
1932 dev_peer = pci_get_drvdata(tp->pdev_peer);
1933 /* remove_one() may have been run on the peer. */
1937 tp_peer = netdev_priv(dev_peer);
1940 if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
1941 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
1942 (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
1943 (tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
1944 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1945 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1946 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1947 (GRC_LCLCTRL_GPIO_OE0 |
1948 GRC_LCLCTRL_GPIO_OE1 |
1949 GRC_LCLCTRL_GPIO_OE2 |
1950 GRC_LCLCTRL_GPIO_OUTPUT0 |
1951 GRC_LCLCTRL_GPIO_OUTPUT1),
1953 } else if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761 ||
1954 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761S) {
1955 /* The 5761 non-e device swaps GPIO 0 and GPIO 2. */
1956 u32 grc_local_ctrl = GRC_LCLCTRL_GPIO_OE0 |
1957 GRC_LCLCTRL_GPIO_OE1 |
1958 GRC_LCLCTRL_GPIO_OE2 |
1959 GRC_LCLCTRL_GPIO_OUTPUT0 |
1960 GRC_LCLCTRL_GPIO_OUTPUT1 |
1962 tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
1964 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT2;
1965 tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
1967 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT0;
1968 tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
1971 u32 grc_local_ctrl = 0;
1973 if (tp_peer != tp &&
1974 (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
1977 /* Workaround to prevent overdrawing Amps. */
1978 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
1980 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
1981 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1982 grc_local_ctrl, 100);
1985 /* On 5753 and variants, GPIO2 cannot be used. */
1986 no_gpio2 = tp->nic_sram_data_cfg &
1987 NIC_SRAM_DATA_CFG_NO_GPIO2;
1989 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
1990 GRC_LCLCTRL_GPIO_OE1 |
1991 GRC_LCLCTRL_GPIO_OE2 |
1992 GRC_LCLCTRL_GPIO_OUTPUT1 |
1993 GRC_LCLCTRL_GPIO_OUTPUT2;
1995 grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
1996 GRC_LCLCTRL_GPIO_OUTPUT2);
1998 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1999 grc_local_ctrl, 100);
2001 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
2003 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2004 grc_local_ctrl, 100);
2007 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
2008 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2009 grc_local_ctrl, 100);
2013 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
2014 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
2015 if (tp_peer != tp &&
2016 (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
2019 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2020 (GRC_LCLCTRL_GPIO_OE1 |
2021 GRC_LCLCTRL_GPIO_OUTPUT1), 100);
2023 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2024 GRC_LCLCTRL_GPIO_OE1, 100);
2026 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2027 (GRC_LCLCTRL_GPIO_OE1 |
2028 GRC_LCLCTRL_GPIO_OUTPUT1), 100);
2033 static int tg3_5700_link_polarity(struct tg3 *tp, u32 speed)
2035 if (tp->led_ctrl == LED_CTRL_MODE_PHY_2)
2037 else if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411) {
2038 if (speed != SPEED_10)
2040 } else if (speed == SPEED_10)
2046 static int tg3_setup_phy(struct tg3 *, int);
2048 #define RESET_KIND_SHUTDOWN 0
2049 #define RESET_KIND_INIT 1
2050 #define RESET_KIND_SUSPEND 2
2052 static void tg3_write_sig_post_reset(struct tg3 *, int);
2053 static int tg3_halt_cpu(struct tg3 *, u32);
2055 static void tg3_power_down_phy(struct tg3 *tp, bool do_low_power)
2059 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
2060 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
2061 u32 sg_dig_ctrl = tr32(SG_DIG_CTRL);
2062 u32 serdes_cfg = tr32(MAC_SERDES_CFG);
2065 SG_DIG_USING_HW_AUTONEG | SG_DIG_SOFT_RESET;
2066 tw32(SG_DIG_CTRL, sg_dig_ctrl);
2067 tw32(MAC_SERDES_CFG, serdes_cfg | (1 << 15));
2072 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
2074 val = tr32(GRC_MISC_CFG);
2075 tw32_f(GRC_MISC_CFG, val | GRC_MISC_CFG_EPHY_IDDQ);
2078 } else if (do_low_power) {
2079 tg3_writephy(tp, MII_TG3_EXT_CTRL,
2080 MII_TG3_EXT_CTRL_FORCE_LED_OFF);
2082 tg3_writephy(tp, MII_TG3_AUX_CTRL,
2083 MII_TG3_AUXCTL_SHDWSEL_PWRCTL |
2084 MII_TG3_AUXCTL_PCTL_100TX_LPWR |
2085 MII_TG3_AUXCTL_PCTL_SPR_ISOLATE |
2086 MII_TG3_AUXCTL_PCTL_VREG_11V);
2089 /* The PHY should not be powered down on some chips because
2092 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2093 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
2094 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
2095 (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
2098 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX ||
2099 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5761_AX) {
2100 val = tr32(TG3_CPMU_LSPD_1000MB_CLK);
2101 val &= ~CPMU_LSPD_1000MB_MACCLK_MASK;
2102 val |= CPMU_LSPD_1000MB_MACCLK_12_5;
2103 tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
2106 tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
2109 /* tp->lock is held. */
2110 static int tg3_nvram_lock(struct tg3 *tp)
2112 if (tp->tg3_flags & TG3_FLAG_NVRAM) {
2115 if (tp->nvram_lock_cnt == 0) {
2116 tw32(NVRAM_SWARB, SWARB_REQ_SET1);
2117 for (i = 0; i < 8000; i++) {
2118 if (tr32(NVRAM_SWARB) & SWARB_GNT1)
2123 tw32(NVRAM_SWARB, SWARB_REQ_CLR1);
2127 tp->nvram_lock_cnt++;
2132 /* tp->lock is held. */
2133 static void tg3_nvram_unlock(struct tg3 *tp)
2135 if (tp->tg3_flags & TG3_FLAG_NVRAM) {
2136 if (tp->nvram_lock_cnt > 0)
2137 tp->nvram_lock_cnt--;
2138 if (tp->nvram_lock_cnt == 0)
2139 tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
2143 /* tp->lock is held. */
2144 static void tg3_enable_nvram_access(struct tg3 *tp)
2146 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
2147 !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
2148 u32 nvaccess = tr32(NVRAM_ACCESS);
2150 tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
2154 /* tp->lock is held. */
2155 static void tg3_disable_nvram_access(struct tg3 *tp)
2157 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
2158 !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
2159 u32 nvaccess = tr32(NVRAM_ACCESS);
2161 tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
2165 static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
2166 u32 offset, u32 *val)
2171 if (offset > EEPROM_ADDR_ADDR_MASK || (offset % 4) != 0)
2174 tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK |
2175 EEPROM_ADDR_DEVID_MASK |
2177 tw32(GRC_EEPROM_ADDR,
2179 (0 << EEPROM_ADDR_DEVID_SHIFT) |
2180 ((offset << EEPROM_ADDR_ADDR_SHIFT) &
2181 EEPROM_ADDR_ADDR_MASK) |
2182 EEPROM_ADDR_READ | EEPROM_ADDR_START);
2184 for (i = 0; i < 1000; i++) {
2185 tmp = tr32(GRC_EEPROM_ADDR);
2187 if (tmp & EEPROM_ADDR_COMPLETE)
2191 if (!(tmp & EEPROM_ADDR_COMPLETE))
2194 tmp = tr32(GRC_EEPROM_DATA);
2197 * The data will always be opposite the native endian
2198 * format. Perform a blind byteswap to compensate.
2205 #define NVRAM_CMD_TIMEOUT 10000
2207 static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
2211 tw32(NVRAM_CMD, nvram_cmd);
2212 for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
2214 if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
2220 if (i == NVRAM_CMD_TIMEOUT)
2226 static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr)
2228 if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
2229 (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
2230 (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
2231 !(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM_ADDR_TRANS) &&
2232 (tp->nvram_jedecnum == JEDEC_ATMEL))
2234 addr = ((addr / tp->nvram_pagesize) <<
2235 ATMEL_AT45DB0X1B_PAGE_POS) +
2236 (addr % tp->nvram_pagesize);
2241 static u32 tg3_nvram_logical_addr(struct tg3 *tp, u32 addr)
2243 if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
2244 (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
2245 (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
2246 !(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM_ADDR_TRANS) &&
2247 (tp->nvram_jedecnum == JEDEC_ATMEL))
2249 addr = ((addr >> ATMEL_AT45DB0X1B_PAGE_POS) *
2250 tp->nvram_pagesize) +
2251 (addr & ((1 << ATMEL_AT45DB0X1B_PAGE_POS) - 1));
2256 /* NOTE: Data read in from NVRAM is byteswapped according to
2257 * the byteswapping settings for all other register accesses.
2258 * tg3 devices are BE devices, so on a BE machine, the data
2259 * returned will be exactly as it is seen in NVRAM. On a LE
2260 * machine, the 32-bit value will be byteswapped.
2262 static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
2266 if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
2267 return tg3_nvram_read_using_eeprom(tp, offset, val);
2269 offset = tg3_nvram_phys_addr(tp, offset);
2271 if (offset > NVRAM_ADDR_MSK)
2274 ret = tg3_nvram_lock(tp);
2278 tg3_enable_nvram_access(tp);
2280 tw32(NVRAM_ADDR, offset);
2281 ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
2282 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE);
2285 *val = tr32(NVRAM_RDDATA);
2287 tg3_disable_nvram_access(tp);
2289 tg3_nvram_unlock(tp);
2294 /* Ensures NVRAM data is in bytestream format. */
2295 static int tg3_nvram_read_be32(struct tg3 *tp, u32 offset, __be32 *val)
2298 int res = tg3_nvram_read(tp, offset, &v);
2300 *val = cpu_to_be32(v);
2304 /* tp->lock is held. */
2305 static void __tg3_set_mac_addr(struct tg3 *tp, int skip_mac_1)
2307 u32 addr_high, addr_low;
2310 addr_high = ((tp->dev->dev_addr[0] << 8) |
2311 tp->dev->dev_addr[1]);
2312 addr_low = ((tp->dev->dev_addr[2] << 24) |
2313 (tp->dev->dev_addr[3] << 16) |
2314 (tp->dev->dev_addr[4] << 8) |
2315 (tp->dev->dev_addr[5] << 0));
2316 for (i = 0; i < 4; i++) {
2317 if (i == 1 && skip_mac_1)
2319 tw32(MAC_ADDR_0_HIGH + (i * 8), addr_high);
2320 tw32(MAC_ADDR_0_LOW + (i * 8), addr_low);
2323 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
2324 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
2325 for (i = 0; i < 12; i++) {
2326 tw32(MAC_EXTADDR_0_HIGH + (i * 8), addr_high);
2327 tw32(MAC_EXTADDR_0_LOW + (i * 8), addr_low);
2331 addr_high = (tp->dev->dev_addr[0] +
2332 tp->dev->dev_addr[1] +
2333 tp->dev->dev_addr[2] +
2334 tp->dev->dev_addr[3] +
2335 tp->dev->dev_addr[4] +
2336 tp->dev->dev_addr[5]) &
2337 TX_BACKOFF_SEED_MASK;
2338 tw32(MAC_TX_BACKOFF_SEED, addr_high);
2341 static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
2344 bool device_should_wake, do_low_power;
2346 /* Make sure register accesses (indirect or otherwise)
2347 * will function correctly.
2349 pci_write_config_dword(tp->pdev,
2350 TG3PCI_MISC_HOST_CTRL,
2351 tp->misc_host_ctrl);
2355 pci_enable_wake(tp->pdev, state, false);
2356 pci_set_power_state(tp->pdev, PCI_D0);
2358 /* Switch out of Vaux if it is a NIC */
2359 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
2360 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100);
2370 printk(KERN_ERR PFX "%s: Invalid power state (D%d) requested\n",
2371 tp->dev->name, state);
2375 /* Restore the CLKREQ setting. */
2376 if (tp->tg3_flags3 & TG3_FLG3_CLKREQ_BUG) {
2379 pci_read_config_word(tp->pdev,
2380 tp->pcie_cap + PCI_EXP_LNKCTL,
2382 lnkctl |= PCI_EXP_LNKCTL_CLKREQ_EN;
2383 pci_write_config_word(tp->pdev,
2384 tp->pcie_cap + PCI_EXP_LNKCTL,
2388 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
2389 tw32(TG3PCI_MISC_HOST_CTRL,
2390 misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
2392 device_should_wake = pci_pme_capable(tp->pdev, state) &&
2393 device_may_wakeup(&tp->pdev->dev) &&
2394 (tp->tg3_flags & TG3_FLAG_WOL_ENABLE);
2396 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
2397 do_low_power = false;
2398 if ((tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) &&
2399 !tp->link_config.phy_is_low_power) {
2400 struct phy_device *phydev;
2401 u32 phyid, advertising;
2403 phydev = tp->mdio_bus->phy_map[PHY_ADDR];
2405 tp->link_config.phy_is_low_power = 1;
2407 tp->link_config.orig_speed = phydev->speed;
2408 tp->link_config.orig_duplex = phydev->duplex;
2409 tp->link_config.orig_autoneg = phydev->autoneg;
2410 tp->link_config.orig_advertising = phydev->advertising;
2412 advertising = ADVERTISED_TP |
2414 ADVERTISED_Autoneg |
2415 ADVERTISED_10baseT_Half;
2417 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
2418 device_should_wake) {
2419 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
2421 ADVERTISED_100baseT_Half |
2422 ADVERTISED_100baseT_Full |
2423 ADVERTISED_10baseT_Full;
2425 advertising |= ADVERTISED_10baseT_Full;
2428 phydev->advertising = advertising;
2430 phy_start_aneg(phydev);
2432 phyid = phydev->drv->phy_id & phydev->drv->phy_id_mask;
2433 if (phyid != TG3_PHY_ID_BCMAC131) {
2434 phyid &= TG3_PHY_OUI_MASK;
2435 if (phyid == TG3_PHY_OUI_1 ||
2436 phyid == TG3_PHY_OUI_2 ||
2437 phyid == TG3_PHY_OUI_3)
2438 do_low_power = true;
2442 do_low_power = true;
2444 if (tp->link_config.phy_is_low_power == 0) {
2445 tp->link_config.phy_is_low_power = 1;
2446 tp->link_config.orig_speed = tp->link_config.speed;
2447 tp->link_config.orig_duplex = tp->link_config.duplex;
2448 tp->link_config.orig_autoneg = tp->link_config.autoneg;
2451 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
2452 tp->link_config.speed = SPEED_10;
2453 tp->link_config.duplex = DUPLEX_HALF;
2454 tp->link_config.autoneg = AUTONEG_ENABLE;
2455 tg3_setup_phy(tp, 0);
2459 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
2462 val = tr32(GRC_VCPU_EXT_CTRL);
2463 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_DISABLE_WOL);
2464 } else if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
2468 for (i = 0; i < 200; i++) {
2469 tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
2470 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
2475 if (tp->tg3_flags & TG3_FLAG_WOL_CAP)
2476 tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
2477 WOL_DRV_STATE_SHUTDOWN |
2481 if (device_should_wake) {
2484 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
2486 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
2490 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
2491 mac_mode = MAC_MODE_PORT_MODE_GMII;
2493 mac_mode = MAC_MODE_PORT_MODE_MII;
2495 mac_mode |= tp->mac_mode & MAC_MODE_LINK_POLARITY;
2496 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
2498 u32 speed = (tp->tg3_flags &
2499 TG3_FLAG_WOL_SPEED_100MB) ?
2500 SPEED_100 : SPEED_10;
2501 if (tg3_5700_link_polarity(tp, speed))
2502 mac_mode |= MAC_MODE_LINK_POLARITY;
2504 mac_mode &= ~MAC_MODE_LINK_POLARITY;
2507 mac_mode = MAC_MODE_PORT_MODE_TBI;
2510 if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
2511 tw32(MAC_LED_CTRL, tp->led_ctrl);
2513 mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
2514 if (((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
2515 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) &&
2516 ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
2517 (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)))
2518 mac_mode |= MAC_MODE_KEEP_FRAME_IN_WOL;
2520 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
2521 mac_mode |= tp->mac_mode &
2522 (MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN);
2523 if (mac_mode & MAC_MODE_APE_TX_EN)
2524 mac_mode |= MAC_MODE_TDE_ENABLE;
2527 tw32_f(MAC_MODE, mac_mode);
2530 tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
2534 if (!(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB) &&
2535 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2536 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
2539 base_val = tp->pci_clock_ctrl;
2540 base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
2541 CLOCK_CTRL_TXCLK_DISABLE);
2543 tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK |
2544 CLOCK_CTRL_PWRDOWN_PLL133, 40);
2545 } else if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
2546 (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
2547 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)) {
2549 } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
2550 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
2551 u32 newbits1, newbits2;
2553 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2554 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2555 newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
2556 CLOCK_CTRL_TXCLK_DISABLE |
2558 newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
2559 } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
2560 newbits1 = CLOCK_CTRL_625_CORE;
2561 newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
2563 newbits1 = CLOCK_CTRL_ALTCLK;
2564 newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
2567 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1,
2570 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2,
2573 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
2576 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2577 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2578 newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
2579 CLOCK_CTRL_TXCLK_DISABLE |
2580 CLOCK_CTRL_44MHZ_CORE);
2582 newbits3 = CLOCK_CTRL_44MHZ_CORE;
2585 tw32_wait_f(TG3PCI_CLOCK_CTRL,
2586 tp->pci_clock_ctrl | newbits3, 40);
2590 if (!(device_should_wake) &&
2591 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
2592 tg3_power_down_phy(tp, do_low_power);
2594 tg3_frob_aux_power(tp);
2596 /* Workaround for unstable PLL clock */
2597 if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
2598 (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
2599 u32 val = tr32(0x7d00);
2601 val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
2603 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
2606 err = tg3_nvram_lock(tp);
2607 tg3_halt_cpu(tp, RX_CPU_BASE);
2609 tg3_nvram_unlock(tp);
2613 tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
2615 if (device_should_wake)
2616 pci_enable_wake(tp->pdev, state, true);
2618 /* Finally, set the new power state. */
2619 pci_set_power_state(tp->pdev, state);
2624 static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
2626 switch (val & MII_TG3_AUX_STAT_SPDMASK) {
2627 case MII_TG3_AUX_STAT_10HALF:
2629 *duplex = DUPLEX_HALF;
2632 case MII_TG3_AUX_STAT_10FULL:
2634 *duplex = DUPLEX_FULL;
2637 case MII_TG3_AUX_STAT_100HALF:
2639 *duplex = DUPLEX_HALF;
2642 case MII_TG3_AUX_STAT_100FULL:
2644 *duplex = DUPLEX_FULL;
2647 case MII_TG3_AUX_STAT_1000HALF:
2648 *speed = SPEED_1000;
2649 *duplex = DUPLEX_HALF;
2652 case MII_TG3_AUX_STAT_1000FULL:
2653 *speed = SPEED_1000;
2654 *duplex = DUPLEX_FULL;
2658 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
2659 *speed = (val & MII_TG3_AUX_STAT_100) ? SPEED_100 :
2661 *duplex = (val & MII_TG3_AUX_STAT_FULL) ? DUPLEX_FULL :
2665 *speed = SPEED_INVALID;
2666 *duplex = DUPLEX_INVALID;
2671 static void tg3_phy_copper_begin(struct tg3 *tp)
2676 if (tp->link_config.phy_is_low_power) {
2677 /* Entering low power mode. Disable gigabit and
2678 * 100baseT advertisements.
2680 tg3_writephy(tp, MII_TG3_CTRL, 0);
2682 new_adv = (ADVERTISE_10HALF | ADVERTISE_10FULL |
2683 ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
2684 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
2685 new_adv |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
2687 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2688 } else if (tp->link_config.speed == SPEED_INVALID) {
2689 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
2690 tp->link_config.advertising &=
2691 ~(ADVERTISED_1000baseT_Half |
2692 ADVERTISED_1000baseT_Full);
2694 new_adv = ADVERTISE_CSMA;
2695 if (tp->link_config.advertising & ADVERTISED_10baseT_Half)
2696 new_adv |= ADVERTISE_10HALF;
2697 if (tp->link_config.advertising & ADVERTISED_10baseT_Full)
2698 new_adv |= ADVERTISE_10FULL;
2699 if (tp->link_config.advertising & ADVERTISED_100baseT_Half)
2700 new_adv |= ADVERTISE_100HALF;
2701 if (tp->link_config.advertising & ADVERTISED_100baseT_Full)
2702 new_adv |= ADVERTISE_100FULL;
2704 new_adv |= tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
2706 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2708 if (tp->link_config.advertising &
2709 (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) {
2711 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
2712 new_adv |= MII_TG3_CTRL_ADV_1000_HALF;
2713 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
2714 new_adv |= MII_TG3_CTRL_ADV_1000_FULL;
2715 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY) &&
2716 (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
2717 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0))
2718 new_adv |= (MII_TG3_CTRL_AS_MASTER |
2719 MII_TG3_CTRL_ENABLE_AS_MASTER);
2720 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
2722 tg3_writephy(tp, MII_TG3_CTRL, 0);
2725 new_adv = tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
2726 new_adv |= ADVERTISE_CSMA;
2728 /* Asking for a specific link mode. */
2729 if (tp->link_config.speed == SPEED_1000) {
2730 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2732 if (tp->link_config.duplex == DUPLEX_FULL)
2733 new_adv = MII_TG3_CTRL_ADV_1000_FULL;
2735 new_adv = MII_TG3_CTRL_ADV_1000_HALF;
2736 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
2737 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
2738 new_adv |= (MII_TG3_CTRL_AS_MASTER |
2739 MII_TG3_CTRL_ENABLE_AS_MASTER);
2741 if (tp->link_config.speed == SPEED_100) {
2742 if (tp->link_config.duplex == DUPLEX_FULL)
2743 new_adv |= ADVERTISE_100FULL;
2745 new_adv |= ADVERTISE_100HALF;
2747 if (tp->link_config.duplex == DUPLEX_FULL)
2748 new_adv |= ADVERTISE_10FULL;
2750 new_adv |= ADVERTISE_10HALF;
2752 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2757 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
2760 if (tp->link_config.autoneg == AUTONEG_DISABLE &&
2761 tp->link_config.speed != SPEED_INVALID) {
2762 u32 bmcr, orig_bmcr;
2764 tp->link_config.active_speed = tp->link_config.speed;
2765 tp->link_config.active_duplex = tp->link_config.duplex;
2768 switch (tp->link_config.speed) {
2774 bmcr |= BMCR_SPEED100;
2778 bmcr |= TG3_BMCR_SPEED1000;
2782 if (tp->link_config.duplex == DUPLEX_FULL)
2783 bmcr |= BMCR_FULLDPLX;
2785 if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
2786 (bmcr != orig_bmcr)) {
2787 tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
2788 for (i = 0; i < 1500; i++) {
2792 if (tg3_readphy(tp, MII_BMSR, &tmp) ||
2793 tg3_readphy(tp, MII_BMSR, &tmp))
2795 if (!(tmp & BMSR_LSTATUS)) {
2800 tg3_writephy(tp, MII_BMCR, bmcr);
2804 tg3_writephy(tp, MII_BMCR,
2805 BMCR_ANENABLE | BMCR_ANRESTART);
2809 static int tg3_init_5401phy_dsp(struct tg3 *tp)
2813 /* Turn off tap power management. */
2814 /* Set Extended packet length bit */
2815 err = tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
2817 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0012);
2818 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1804);
2820 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0013);
2821 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1204);
2823 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
2824 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0132);
2826 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
2827 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0232);
2829 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
2830 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0a20);
2837 static int tg3_copper_is_advertising_all(struct tg3 *tp, u32 mask)
2839 u32 adv_reg, all_mask = 0;
2841 if (mask & ADVERTISED_10baseT_Half)
2842 all_mask |= ADVERTISE_10HALF;
2843 if (mask & ADVERTISED_10baseT_Full)
2844 all_mask |= ADVERTISE_10FULL;
2845 if (mask & ADVERTISED_100baseT_Half)
2846 all_mask |= ADVERTISE_100HALF;
2847 if (mask & ADVERTISED_100baseT_Full)
2848 all_mask |= ADVERTISE_100FULL;
2850 if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg))
2853 if ((adv_reg & all_mask) != all_mask)
2855 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
2859 if (mask & ADVERTISED_1000baseT_Half)
2860 all_mask |= ADVERTISE_1000HALF;
2861 if (mask & ADVERTISED_1000baseT_Full)
2862 all_mask |= ADVERTISE_1000FULL;
2864 if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl))
2867 if ((tg3_ctrl & all_mask) != all_mask)
2873 static int tg3_adv_1000T_flowctrl_ok(struct tg3 *tp, u32 *lcladv, u32 *rmtadv)
2877 if (tg3_readphy(tp, MII_ADVERTISE, lcladv))
2880 curadv = *lcladv & (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
2881 reqadv = tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
2883 if (tp->link_config.active_duplex == DUPLEX_FULL) {
2884 if (curadv != reqadv)
2887 if (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG)
2888 tg3_readphy(tp, MII_LPA, rmtadv);
2890 /* Reprogram the advertisement register, even if it
2891 * does not affect the current link. If the link
2892 * gets renegotiated in the future, we can save an
2893 * additional renegotiation cycle by advertising
2894 * it correctly in the first place.
2896 if (curadv != reqadv) {
2897 *lcladv &= ~(ADVERTISE_PAUSE_CAP |
2898 ADVERTISE_PAUSE_ASYM);
2899 tg3_writephy(tp, MII_ADVERTISE, *lcladv | reqadv);
2906 static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
2908 int current_link_up;
2910 u32 lcl_adv, rmt_adv;
2918 (MAC_STATUS_SYNC_CHANGED |
2919 MAC_STATUS_CFG_CHANGED |
2920 MAC_STATUS_MI_COMPLETION |
2921 MAC_STATUS_LNKSTATE_CHANGED));
2924 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
2926 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
2930 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x02);
2932 /* Some third-party PHYs need to be reset on link going
2935 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
2936 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
2937 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
2938 netif_carrier_ok(tp->dev)) {
2939 tg3_readphy(tp, MII_BMSR, &bmsr);
2940 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
2941 !(bmsr & BMSR_LSTATUS))
2947 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
2948 tg3_readphy(tp, MII_BMSR, &bmsr);
2949 if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
2950 !(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE))
2953 if (!(bmsr & BMSR_LSTATUS)) {
2954 err = tg3_init_5401phy_dsp(tp);
2958 tg3_readphy(tp, MII_BMSR, &bmsr);
2959 for (i = 0; i < 1000; i++) {
2961 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
2962 (bmsr & BMSR_LSTATUS)) {
2968 if ((tp->phy_id & PHY_ID_REV_MASK) == PHY_REV_BCM5401_B0 &&
2969 !(bmsr & BMSR_LSTATUS) &&
2970 tp->link_config.active_speed == SPEED_1000) {
2971 err = tg3_phy_reset(tp);
2973 err = tg3_init_5401phy_dsp(tp);
2978 } else if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
2979 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) {
2980 /* 5701 {A0,B0} CRC bug workaround */
2981 tg3_writephy(tp, 0x15, 0x0a75);
2982 tg3_writephy(tp, 0x1c, 0x8c68);
2983 tg3_writephy(tp, 0x1c, 0x8d68);
2984 tg3_writephy(tp, 0x1c, 0x8c68);
2987 /* Clear pending interrupts... */
2988 tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
2989 tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
2991 if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT)
2992 tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
2993 else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
2994 tg3_writephy(tp, MII_TG3_IMASK, ~0);
2996 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2997 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2998 if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
2999 tg3_writephy(tp, MII_TG3_EXT_CTRL,
3000 MII_TG3_EXT_CTRL_LNK3_LED_MODE);
3002 tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
3005 current_link_up = 0;
3006 current_speed = SPEED_INVALID;
3007 current_duplex = DUPLEX_INVALID;
3009 if (tp->tg3_flags2 & TG3_FLG2_CAPACITIVE_COUPLING) {
3012 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4007);
3013 tg3_readphy(tp, MII_TG3_AUX_CTRL, &val);
3014 if (!(val & (1 << 10))) {
3016 tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
3022 for (i = 0; i < 100; i++) {
3023 tg3_readphy(tp, MII_BMSR, &bmsr);
3024 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
3025 (bmsr & BMSR_LSTATUS))
3030 if (bmsr & BMSR_LSTATUS) {
3033 tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
3034 for (i = 0; i < 2000; i++) {
3036 if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
3041 tg3_aux_stat_to_speed_duplex(tp, aux_stat,
3046 for (i = 0; i < 200; i++) {
3047 tg3_readphy(tp, MII_BMCR, &bmcr);
3048 if (tg3_readphy(tp, MII_BMCR, &bmcr))
3050 if (bmcr && bmcr != 0x7fff)
3058 tp->link_config.active_speed = current_speed;
3059 tp->link_config.active_duplex = current_duplex;
3061 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
3062 if ((bmcr & BMCR_ANENABLE) &&
3063 tg3_copper_is_advertising_all(tp,
3064 tp->link_config.advertising)) {
3065 if (tg3_adv_1000T_flowctrl_ok(tp, &lcl_adv,
3067 current_link_up = 1;
3070 if (!(bmcr & BMCR_ANENABLE) &&
3071 tp->link_config.speed == current_speed &&
3072 tp->link_config.duplex == current_duplex &&
3073 tp->link_config.flowctrl ==
3074 tp->link_config.active_flowctrl) {
3075 current_link_up = 1;
3079 if (current_link_up == 1 &&
3080 tp->link_config.active_duplex == DUPLEX_FULL)
3081 tg3_setup_flow_control(tp, lcl_adv, rmt_adv);
3085 if (current_link_up == 0 || tp->link_config.phy_is_low_power) {
3088 tg3_phy_copper_begin(tp);
3090 tg3_readphy(tp, MII_BMSR, &tmp);
3091 if (!tg3_readphy(tp, MII_BMSR, &tmp) &&
3092 (tmp & BMSR_LSTATUS))
3093 current_link_up = 1;
3096 tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
3097 if (current_link_up == 1) {
3098 if (tp->link_config.active_speed == SPEED_100 ||
3099 tp->link_config.active_speed == SPEED_10)
3100 tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
3102 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
3104 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
3106 tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
3107 if (tp->link_config.active_duplex == DUPLEX_HALF)
3108 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
3110 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
3111 if (current_link_up == 1 &&
3112 tg3_5700_link_polarity(tp, tp->link_config.active_speed))
3113 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
3115 tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
3118 /* ??? Without this setting Netgear GA302T PHY does not
3119 * ??? send/receive packets...
3121 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411 &&
3122 tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) {
3123 tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
3124 tw32_f(MAC_MI_MODE, tp->mi_mode);
3128 tw32_f(MAC_MODE, tp->mac_mode);
3131 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
3132 /* Polled via timer. */
3133 tw32_f(MAC_EVENT, 0);
3135 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3139 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 &&
3140 current_link_up == 1 &&
3141 tp->link_config.active_speed == SPEED_1000 &&
3142 ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ||
3143 (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED))) {
3146 (MAC_STATUS_SYNC_CHANGED |
3147 MAC_STATUS_CFG_CHANGED));
3150 NIC_SRAM_FIRMWARE_MBOX,
3151 NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
3154 /* Prevent send BD corruption. */
3155 if (tp->tg3_flags3 & TG3_FLG3_CLKREQ_BUG) {
3156 u16 oldlnkctl, newlnkctl;
3158 pci_read_config_word(tp->pdev,
3159 tp->pcie_cap + PCI_EXP_LNKCTL,
3161 if (tp->link_config.active_speed == SPEED_100 ||
3162 tp->link_config.active_speed == SPEED_10)
3163 newlnkctl = oldlnkctl & ~PCI_EXP_LNKCTL_CLKREQ_EN;
3165 newlnkctl = oldlnkctl | PCI_EXP_LNKCTL_CLKREQ_EN;
3166 if (newlnkctl != oldlnkctl)
3167 pci_write_config_word(tp->pdev,
3168 tp->pcie_cap + PCI_EXP_LNKCTL,
3172 if (current_link_up != netif_carrier_ok(tp->dev)) {
3173 if (current_link_up)
3174 netif_carrier_on(tp->dev);
3176 netif_carrier_off(tp->dev);
3177 tg3_link_report(tp);
3183 struct tg3_fiber_aneginfo {
3185 #define ANEG_STATE_UNKNOWN 0
3186 #define ANEG_STATE_AN_ENABLE 1
3187 #define ANEG_STATE_RESTART_INIT 2
3188 #define ANEG_STATE_RESTART 3
3189 #define ANEG_STATE_DISABLE_LINK_OK 4
3190 #define ANEG_STATE_ABILITY_DETECT_INIT 5
3191 #define ANEG_STATE_ABILITY_DETECT 6
3192 #define ANEG_STATE_ACK_DETECT_INIT 7
3193 #define ANEG_STATE_ACK_DETECT 8
3194 #define ANEG_STATE_COMPLETE_ACK_INIT 9
3195 #define ANEG_STATE_COMPLETE_ACK 10
3196 #define ANEG_STATE_IDLE_DETECT_INIT 11
3197 #define ANEG_STATE_IDLE_DETECT 12
3198 #define ANEG_STATE_LINK_OK 13
3199 #define ANEG_STATE_NEXT_PAGE_WAIT_INIT 14
3200 #define ANEG_STATE_NEXT_PAGE_WAIT 15
3203 #define MR_AN_ENABLE 0x00000001
3204 #define MR_RESTART_AN 0x00000002
3205 #define MR_AN_COMPLETE 0x00000004
3206 #define MR_PAGE_RX 0x00000008
3207 #define MR_NP_LOADED 0x00000010
3208 #define MR_TOGGLE_TX 0x00000020
3209 #define MR_LP_ADV_FULL_DUPLEX 0x00000040
3210 #define MR_LP_ADV_HALF_DUPLEX 0x00000080
3211 #define MR_LP_ADV_SYM_PAUSE 0x00000100
3212 #define MR_LP_ADV_ASYM_PAUSE 0x00000200
3213 #define MR_LP_ADV_REMOTE_FAULT1 0x00000400
3214 #define MR_LP_ADV_REMOTE_FAULT2 0x00000800
3215 #define MR_LP_ADV_NEXT_PAGE 0x00001000
3216 #define MR_TOGGLE_RX 0x00002000
3217 #define MR_NP_RX 0x00004000
3219 #define MR_LINK_OK 0x80000000
3221 unsigned long link_time, cur_time;
3223 u32 ability_match_cfg;
3224 int ability_match_count;
3226 char ability_match, idle_match, ack_match;
3228 u32 txconfig, rxconfig;
3229 #define ANEG_CFG_NP 0x00000080
3230 #define ANEG_CFG_ACK 0x00000040
3231 #define ANEG_CFG_RF2 0x00000020
3232 #define ANEG_CFG_RF1 0x00000010
3233 #define ANEG_CFG_PS2 0x00000001
3234 #define ANEG_CFG_PS1 0x00008000
3235 #define ANEG_CFG_HD 0x00004000
3236 #define ANEG_CFG_FD 0x00002000
3237 #define ANEG_CFG_INVAL 0x00001f06
3242 #define ANEG_TIMER_ENAB 2
3243 #define ANEG_FAILED -1
3245 #define ANEG_STATE_SETTLE_TIME 10000
3247 static int tg3_fiber_aneg_smachine(struct tg3 *tp,
3248 struct tg3_fiber_aneginfo *ap)
3251 unsigned long delta;
3255 if (ap->state == ANEG_STATE_UNKNOWN) {
3259 ap->ability_match_cfg = 0;
3260 ap->ability_match_count = 0;
3261 ap->ability_match = 0;
3267 if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
3268 rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
3270 if (rx_cfg_reg != ap->ability_match_cfg) {
3271 ap->ability_match_cfg = rx_cfg_reg;
3272 ap->ability_match = 0;
3273 ap->ability_match_count = 0;
3275 if (++ap->ability_match_count > 1) {
3276 ap->ability_match = 1;
3277 ap->ability_match_cfg = rx_cfg_reg;
3280 if (rx_cfg_reg & ANEG_CFG_ACK)
3288 ap->ability_match_cfg = 0;
3289 ap->ability_match_count = 0;
3290 ap->ability_match = 0;
3296 ap->rxconfig = rx_cfg_reg;
3300 case ANEG_STATE_UNKNOWN:
3301 if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
3302 ap->state = ANEG_STATE_AN_ENABLE;
3305 case ANEG_STATE_AN_ENABLE:
3306 ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
3307 if (ap->flags & MR_AN_ENABLE) {
3310 ap->ability_match_cfg = 0;
3311 ap->ability_match_count = 0;
3312 ap->ability_match = 0;
3316 ap->state = ANEG_STATE_RESTART_INIT;
3318 ap->state = ANEG_STATE_DISABLE_LINK_OK;
3322 case ANEG_STATE_RESTART_INIT:
3323 ap->link_time = ap->cur_time;
3324 ap->flags &= ~(MR_NP_LOADED);
3326 tw32(MAC_TX_AUTO_NEG, 0);
3327 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3328 tw32_f(MAC_MODE, tp->mac_mode);
3331 ret = ANEG_TIMER_ENAB;
3332 ap->state = ANEG_STATE_RESTART;
3335 case ANEG_STATE_RESTART:
3336 delta = ap->cur_time - ap->link_time;
3337 if (delta > ANEG_STATE_SETTLE_TIME) {
3338 ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
3340 ret = ANEG_TIMER_ENAB;
3344 case ANEG_STATE_DISABLE_LINK_OK:
3348 case ANEG_STATE_ABILITY_DETECT_INIT:
3349 ap->flags &= ~(MR_TOGGLE_TX);
3350 ap->txconfig = ANEG_CFG_FD;
3351 flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
3352 if (flowctrl & ADVERTISE_1000XPAUSE)
3353 ap->txconfig |= ANEG_CFG_PS1;
3354 if (flowctrl & ADVERTISE_1000XPSE_ASYM)
3355 ap->txconfig |= ANEG_CFG_PS2;
3356 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
3357 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3358 tw32_f(MAC_MODE, tp->mac_mode);
3361 ap->state = ANEG_STATE_ABILITY_DETECT;
3364 case ANEG_STATE_ABILITY_DETECT:
3365 if (ap->ability_match != 0 && ap->rxconfig != 0) {
3366 ap->state = ANEG_STATE_ACK_DETECT_INIT;
3370 case ANEG_STATE_ACK_DETECT_INIT:
3371 ap->txconfig |= ANEG_CFG_ACK;
3372 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
3373 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3374 tw32_f(MAC_MODE, tp->mac_mode);
3377 ap->state = ANEG_STATE_ACK_DETECT;
3380 case ANEG_STATE_ACK_DETECT:
3381 if (ap->ack_match != 0) {
3382 if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
3383 (ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
3384 ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
3386 ap->state = ANEG_STATE_AN_ENABLE;
3388 } else if (ap->ability_match != 0 &&
3389 ap->rxconfig == 0) {
3390 ap->state = ANEG_STATE_AN_ENABLE;
3394 case ANEG_STATE_COMPLETE_ACK_INIT:
3395 if (ap->rxconfig & ANEG_CFG_INVAL) {
3399 ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
3400 MR_LP_ADV_HALF_DUPLEX |
3401 MR_LP_ADV_SYM_PAUSE |
3402 MR_LP_ADV_ASYM_PAUSE |
3403 MR_LP_ADV_REMOTE_FAULT1 |
3404 MR_LP_ADV_REMOTE_FAULT2 |
3405 MR_LP_ADV_NEXT_PAGE |
3408 if (ap->rxconfig & ANEG_CFG_FD)
3409 ap->flags |= MR_LP_ADV_FULL_DUPLEX;
3410 if (ap->rxconfig & ANEG_CFG_HD)
3411 ap->flags |= MR_LP_ADV_HALF_DUPLEX;
3412 if (ap->rxconfig & ANEG_CFG_PS1)
3413 ap->flags |= MR_LP_ADV_SYM_PAUSE;
3414 if (ap->rxconfig & ANEG_CFG_PS2)
3415 ap->flags |= MR_LP_ADV_ASYM_PAUSE;
3416 if (ap->rxconfig & ANEG_CFG_RF1)
3417 ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
3418 if (ap->rxconfig & ANEG_CFG_RF2)
3419 ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
3420 if (ap->rxconfig & ANEG_CFG_NP)
3421 ap->flags |= MR_LP_ADV_NEXT_PAGE;
3423 ap->link_time = ap->cur_time;
3425 ap->flags ^= (MR_TOGGLE_TX);
3426 if (ap->rxconfig & 0x0008)
3427 ap->flags |= MR_TOGGLE_RX;
3428 if (ap->rxconfig & ANEG_CFG_NP)
3429 ap->flags |= MR_NP_RX;
3430 ap->flags |= MR_PAGE_RX;
3432 ap->state = ANEG_STATE_COMPLETE_ACK;
3433 ret = ANEG_TIMER_ENAB;
3436 case ANEG_STATE_COMPLETE_ACK:
3437 if (ap->ability_match != 0 &&
3438 ap->rxconfig == 0) {
3439 ap->state = ANEG_STATE_AN_ENABLE;
3442 delta = ap->cur_time - ap->link_time;
3443 if (delta > ANEG_STATE_SETTLE_TIME) {
3444 if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
3445 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
3447 if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
3448 !(ap->flags & MR_NP_RX)) {
3449 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
3457 case ANEG_STATE_IDLE_DETECT_INIT:
3458 ap->link_time = ap->cur_time;
3459 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
3460 tw32_f(MAC_MODE, tp->mac_mode);
3463 ap->state = ANEG_STATE_IDLE_DETECT;
3464 ret = ANEG_TIMER_ENAB;
3467 case ANEG_STATE_IDLE_DETECT:
3468 if (ap->ability_match != 0 &&
3469 ap->rxconfig == 0) {
3470 ap->state = ANEG_STATE_AN_ENABLE;
3473 delta = ap->cur_time - ap->link_time;
3474 if (delta > ANEG_STATE_SETTLE_TIME) {
3475 /* XXX another gem from the Broadcom driver :( */
3476 ap->state = ANEG_STATE_LINK_OK;
3480 case ANEG_STATE_LINK_OK:
3481 ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
3485 case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
3486 /* ??? unimplemented */
3489 case ANEG_STATE_NEXT_PAGE_WAIT:
3490 /* ??? unimplemented */
3501 static int fiber_autoneg(struct tg3 *tp, u32 *txflags, u32 *rxflags)
3504 struct tg3_fiber_aneginfo aninfo;
3505 int status = ANEG_FAILED;
3509 tw32_f(MAC_TX_AUTO_NEG, 0);
3511 tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
3512 tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
3515 tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
3518 memset(&aninfo, 0, sizeof(aninfo));
3519 aninfo.flags |= MR_AN_ENABLE;
3520 aninfo.state = ANEG_STATE_UNKNOWN;
3521 aninfo.cur_time = 0;
3523 while (++tick < 195000) {
3524 status = tg3_fiber_aneg_smachine(tp, &aninfo);
3525 if (status == ANEG_DONE || status == ANEG_FAILED)
3531 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
3532 tw32_f(MAC_MODE, tp->mac_mode);
3535 *txflags = aninfo.txconfig;
3536 *rxflags = aninfo.flags;
3538 if (status == ANEG_DONE &&
3539 (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
3540 MR_LP_ADV_FULL_DUPLEX)))
3546 static void tg3_init_bcm8002(struct tg3 *tp)
3548 u32 mac_status = tr32(MAC_STATUS);
3551 /* Reset when initting first time or we have a link. */
3552 if ((tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) &&
3553 !(mac_status & MAC_STATUS_PCS_SYNCED))
3556 /* Set PLL lock range. */
3557 tg3_writephy(tp, 0x16, 0x8007);
3560 tg3_writephy(tp, MII_BMCR, BMCR_RESET);
3562 /* Wait for reset to complete. */
3563 /* XXX schedule_timeout() ... */
3564 for (i = 0; i < 500; i++)
3567 /* Config mode; select PMA/Ch 1 regs. */
3568 tg3_writephy(tp, 0x10, 0x8411);
3570 /* Enable auto-lock and comdet, select txclk for tx. */
3571 tg3_writephy(tp, 0x11, 0x0a10);
3573 tg3_writephy(tp, 0x18, 0x00a0);
3574 tg3_writephy(tp, 0x16, 0x41ff);
3576 /* Assert and deassert POR. */
3577 tg3_writephy(tp, 0x13, 0x0400);
3579 tg3_writephy(tp, 0x13, 0x0000);
3581 tg3_writephy(tp, 0x11, 0x0a50);
3583 tg3_writephy(tp, 0x11, 0x0a10);
3585 /* Wait for signal to stabilize */
3586 /* XXX schedule_timeout() ... */
3587 for (i = 0; i < 15000; i++)
3590 /* Deselect the channel register so we can read the PHYID
3593 tg3_writephy(tp, 0x10, 0x8011);
3596 static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
3599 u32 sg_dig_ctrl, sg_dig_status;
3600 u32 serdes_cfg, expected_sg_dig_ctrl;
3601 int workaround, port_a;
3602 int current_link_up;
3605 expected_sg_dig_ctrl = 0;
3608 current_link_up = 0;
3610 if (tp->pci_chip_rev_id != CHIPREV_ID_5704_A0 &&
3611 tp->pci_chip_rev_id != CHIPREV_ID_5704_A1) {
3613 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
3616 /* preserve bits 0-11,13,14 for signal pre-emphasis */
3617 /* preserve bits 20-23 for voltage regulator */
3618 serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
3621 sg_dig_ctrl = tr32(SG_DIG_CTRL);
3623 if (tp->link_config.autoneg != AUTONEG_ENABLE) {
3624 if (sg_dig_ctrl & SG_DIG_USING_HW_AUTONEG) {
3626 u32 val = serdes_cfg;
3632 tw32_f(MAC_SERDES_CFG, val);
3635 tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP);
3637 if (mac_status & MAC_STATUS_PCS_SYNCED) {
3638 tg3_setup_flow_control(tp, 0, 0);
3639 current_link_up = 1;
3644 /* Want auto-negotiation. */
3645 expected_sg_dig_ctrl = SG_DIG_USING_HW_AUTONEG | SG_DIG_COMMON_SETUP;
3647 flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
3648 if (flowctrl & ADVERTISE_1000XPAUSE)
3649 expected_sg_dig_ctrl |= SG_DIG_PAUSE_CAP;
3650 if (flowctrl & ADVERTISE_1000XPSE_ASYM)
3651 expected_sg_dig_ctrl |= SG_DIG_ASYM_PAUSE;
3653 if (sg_dig_ctrl != expected_sg_dig_ctrl) {
3654 if ((tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT) &&
3655 tp->serdes_counter &&
3656 ((mac_status & (MAC_STATUS_PCS_SYNCED |
3657 MAC_STATUS_RCVD_CFG)) ==
3658 MAC_STATUS_PCS_SYNCED)) {
3659 tp->serdes_counter--;
3660 current_link_up = 1;
3665 tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
3666 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | SG_DIG_SOFT_RESET);
3668 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
3670 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
3671 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3672 } else if (mac_status & (MAC_STATUS_PCS_SYNCED |
3673 MAC_STATUS_SIGNAL_DET)) {
3674 sg_dig_status = tr32(SG_DIG_STATUS);
3675 mac_status = tr32(MAC_STATUS);
3677 if ((sg_dig_status & SG_DIG_AUTONEG_COMPLETE) &&
3678 (mac_status & MAC_STATUS_PCS_SYNCED)) {
3679 u32 local_adv = 0, remote_adv = 0;
3681 if (sg_dig_ctrl & SG_DIG_PAUSE_CAP)
3682 local_adv |= ADVERTISE_1000XPAUSE;
3683 if (sg_dig_ctrl & SG_DIG_ASYM_PAUSE)
3684 local_adv |= ADVERTISE_1000XPSE_ASYM;
3686 if (sg_dig_status & SG_DIG_PARTNER_PAUSE_CAPABLE)
3687 remote_adv |= LPA_1000XPAUSE;
3688 if (sg_dig_status & SG_DIG_PARTNER_ASYM_PAUSE)
3689 remote_adv |= LPA_1000XPAUSE_ASYM;
3691 tg3_setup_flow_control(tp, local_adv, remote_adv);
3692 current_link_up = 1;
3693 tp->serdes_counter = 0;
3694 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3695 } else if (!(sg_dig_status & SG_DIG_AUTONEG_COMPLETE)) {
3696 if (tp->serdes_counter)
3697 tp->serdes_counter--;
3700 u32 val = serdes_cfg;
3707 tw32_f(MAC_SERDES_CFG, val);
3710 tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP);
3713 /* Link parallel detection - link is up */
3714 /* only if we have PCS_SYNC and not */
3715 /* receiving config code words */
3716 mac_status = tr32(MAC_STATUS);
3717 if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
3718 !(mac_status & MAC_STATUS_RCVD_CFG)) {
3719 tg3_setup_flow_control(tp, 0, 0);
3720 current_link_up = 1;
3722 TG3_FLG2_PARALLEL_DETECT;
3723 tp->serdes_counter =
3724 SERDES_PARALLEL_DET_TIMEOUT;
3726 goto restart_autoneg;
3730 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
3731 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3735 return current_link_up;
3738 static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
3740 int current_link_up = 0;
3742 if (!(mac_status & MAC_STATUS_PCS_SYNCED))
3745 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
3746 u32 txflags, rxflags;
3749 if (fiber_autoneg(tp, &txflags, &rxflags)) {
3750 u32 local_adv = 0, remote_adv = 0;
3752 if (txflags & ANEG_CFG_PS1)
3753 local_adv |= ADVERTISE_1000XPAUSE;
3754 if (txflags & ANEG_CFG_PS2)
3755 local_adv |= ADVERTISE_1000XPSE_ASYM;
3757 if (rxflags & MR_LP_ADV_SYM_PAUSE)
3758 remote_adv |= LPA_1000XPAUSE;
3759 if (rxflags & MR_LP_ADV_ASYM_PAUSE)
3760 remote_adv |= LPA_1000XPAUSE_ASYM;
3762 tg3_setup_flow_control(tp, local_adv, remote_adv);
3764 current_link_up = 1;
3766 for (i = 0; i < 30; i++) {
3769 (MAC_STATUS_SYNC_CHANGED |
3770 MAC_STATUS_CFG_CHANGED));
3772 if ((tr32(MAC_STATUS) &
3773 (MAC_STATUS_SYNC_CHANGED |
3774 MAC_STATUS_CFG_CHANGED)) == 0)
3778 mac_status = tr32(MAC_STATUS);
3779 if (current_link_up == 0 &&
3780 (mac_status & MAC_STATUS_PCS_SYNCED) &&
3781 !(mac_status & MAC_STATUS_RCVD_CFG))
3782 current_link_up = 1;
3784 tg3_setup_flow_control(tp, 0, 0);
3786 /* Forcing 1000FD link up. */
3787 current_link_up = 1;
3789 tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
3792 tw32_f(MAC_MODE, tp->mac_mode);
3797 return current_link_up;
3800 static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
3803 u16 orig_active_speed;
3804 u8 orig_active_duplex;
3806 int current_link_up;
3809 orig_pause_cfg = tp->link_config.active_flowctrl;
3810 orig_active_speed = tp->link_config.active_speed;
3811 orig_active_duplex = tp->link_config.active_duplex;
3813 if (!(tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG) &&
3814 netif_carrier_ok(tp->dev) &&
3815 (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)) {
3816 mac_status = tr32(MAC_STATUS);
3817 mac_status &= (MAC_STATUS_PCS_SYNCED |
3818 MAC_STATUS_SIGNAL_DET |
3819 MAC_STATUS_CFG_CHANGED |
3820 MAC_STATUS_RCVD_CFG);
3821 if (mac_status == (MAC_STATUS_PCS_SYNCED |
3822 MAC_STATUS_SIGNAL_DET)) {
3823 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
3824 MAC_STATUS_CFG_CHANGED));
3829 tw32_f(MAC_TX_AUTO_NEG, 0);
3831 tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
3832 tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
3833 tw32_f(MAC_MODE, tp->mac_mode);
3836 if (tp->phy_id == PHY_ID_BCM8002)
3837 tg3_init_bcm8002(tp);
3839 /* Enable link change event even when serdes polling. */
3840 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3843 current_link_up = 0;
3844 mac_status = tr32(MAC_STATUS);
3846 if (tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG)
3847 current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
3849 current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
3851 tp->hw_status->status =
3852 (SD_STATUS_UPDATED |
3853 (tp->hw_status->status & ~SD_STATUS_LINK_CHG));
3855 for (i = 0; i < 100; i++) {
3856 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
3857 MAC_STATUS_CFG_CHANGED));
3859 if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
3860 MAC_STATUS_CFG_CHANGED |
3861 MAC_STATUS_LNKSTATE_CHANGED)) == 0)
3865 mac_status = tr32(MAC_STATUS);
3866 if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
3867 current_link_up = 0;
3868 if (tp->link_config.autoneg == AUTONEG_ENABLE &&
3869 tp->serdes_counter == 0) {
3870 tw32_f(MAC_MODE, (tp->mac_mode |
3871 MAC_MODE_SEND_CONFIGS));
3873 tw32_f(MAC_MODE, tp->mac_mode);
3877 if (current_link_up == 1) {
3878 tp->link_config.active_speed = SPEED_1000;
3879 tp->link_config.active_duplex = DUPLEX_FULL;
3880 tw32(MAC_LED_CTRL, (tp->led_ctrl |
3881 LED_CTRL_LNKLED_OVERRIDE |
3882 LED_CTRL_1000MBPS_ON));
3884 tp->link_config.active_speed = SPEED_INVALID;
3885 tp->link_config.active_duplex = DUPLEX_INVALID;
3886 tw32(MAC_LED_CTRL, (tp->led_ctrl |
3887 LED_CTRL_LNKLED_OVERRIDE |
3888 LED_CTRL_TRAFFIC_OVERRIDE));
3891 if (current_link_up != netif_carrier_ok(tp->dev)) {
3892 if (current_link_up)
3893 netif_carrier_on(tp->dev);
3895 netif_carrier_off(tp->dev);
3896 tg3_link_report(tp);
3898 u32 now_pause_cfg = tp->link_config.active_flowctrl;
3899 if (orig_pause_cfg != now_pause_cfg ||
3900 orig_active_speed != tp->link_config.active_speed ||
3901 orig_active_duplex != tp->link_config.active_duplex)
3902 tg3_link_report(tp);
3908 static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
3910 int current_link_up, err = 0;
3914 u32 local_adv, remote_adv;
3916 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
3917 tw32_f(MAC_MODE, tp->mac_mode);
3923 (MAC_STATUS_SYNC_CHANGED |
3924 MAC_STATUS_CFG_CHANGED |
3925 MAC_STATUS_MI_COMPLETION |
3926 MAC_STATUS_LNKSTATE_CHANGED));
3932 current_link_up = 0;
3933 current_speed = SPEED_INVALID;
3934 current_duplex = DUPLEX_INVALID;
3936 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
3937 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
3938 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
3939 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
3940 bmsr |= BMSR_LSTATUS;
3942 bmsr &= ~BMSR_LSTATUS;
3945 err |= tg3_readphy(tp, MII_BMCR, &bmcr);
3947 if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset &&
3948 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
3949 /* do nothing, just check for link up at the end */
3950 } else if (tp->link_config.autoneg == AUTONEG_ENABLE) {
3953 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
3954 new_adv = adv & ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF |
3955 ADVERTISE_1000XPAUSE |
3956 ADVERTISE_1000XPSE_ASYM |
3959 new_adv |= tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
3961 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
3962 new_adv |= ADVERTISE_1000XHALF;
3963 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
3964 new_adv |= ADVERTISE_1000XFULL;
3966 if ((new_adv != adv) || !(bmcr & BMCR_ANENABLE)) {
3967 tg3_writephy(tp, MII_ADVERTISE, new_adv);
3968 bmcr |= BMCR_ANENABLE | BMCR_ANRESTART;
3969 tg3_writephy(tp, MII_BMCR, bmcr);
3971 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3972 tp->serdes_counter = SERDES_AN_TIMEOUT_5714S;
3973 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3980 bmcr &= ~BMCR_SPEED1000;
3981 new_bmcr = bmcr & ~(BMCR_ANENABLE | BMCR_FULLDPLX);
3983 if (tp->link_config.duplex == DUPLEX_FULL)
3984 new_bmcr |= BMCR_FULLDPLX;
3986 if (new_bmcr != bmcr) {
3987 /* BMCR_SPEED1000 is a reserved bit that needs
3988 * to be set on write.
3990 new_bmcr |= BMCR_SPEED1000;
3992 /* Force a linkdown */
3993 if (netif_carrier_ok(tp->dev)) {
3996 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
3997 adv &= ~(ADVERTISE_1000XFULL |
3998 ADVERTISE_1000XHALF |
4000 tg3_writephy(tp, MII_ADVERTISE, adv);
4001 tg3_writephy(tp, MII_BMCR, bmcr |
4005 netif_carrier_off(tp->dev);
4007 tg3_writephy(tp, MII_BMCR, new_bmcr);
4009 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4010 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4011 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
4013 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
4014 bmsr |= BMSR_LSTATUS;
4016 bmsr &= ~BMSR_LSTATUS;
4018 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4022 if (bmsr & BMSR_LSTATUS) {
4023 current_speed = SPEED_1000;
4024 current_link_up = 1;
4025 if (bmcr & BMCR_FULLDPLX)
4026 current_duplex = DUPLEX_FULL;
4028 current_duplex = DUPLEX_HALF;
4033 if (bmcr & BMCR_ANENABLE) {
4036 err |= tg3_readphy(tp, MII_ADVERTISE, &local_adv);
4037 err |= tg3_readphy(tp, MII_LPA, &remote_adv);
4038 common = local_adv & remote_adv;
4039 if (common & (ADVERTISE_1000XHALF |
4040 ADVERTISE_1000XFULL)) {
4041 if (common & ADVERTISE_1000XFULL)
4042 current_duplex = DUPLEX_FULL;
4044 current_duplex = DUPLEX_HALF;
4047 current_link_up = 0;
4051 if (current_link_up == 1 && current_duplex == DUPLEX_FULL)
4052 tg3_setup_flow_control(tp, local_adv, remote_adv);
4054 tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
4055 if (tp->link_config.active_duplex == DUPLEX_HALF)
4056 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
4058 tw32_f(MAC_MODE, tp->mac_mode);
4061 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
4063 tp->link_config.active_speed = current_speed;
4064 tp->link_config.active_duplex = current_duplex;
4066 if (current_link_up != netif_carrier_ok(tp->dev)) {
4067 if (current_link_up)
4068 netif_carrier_on(tp->dev);
4070 netif_carrier_off(tp->dev);
4071 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4073 tg3_link_report(tp);
4078 static void tg3_serdes_parallel_detect(struct tg3 *tp)
4080 if (tp->serdes_counter) {
4081 /* Give autoneg time to complete. */
4082 tp->serdes_counter--;
4085 if (!netif_carrier_ok(tp->dev) &&
4086 (tp->link_config.autoneg == AUTONEG_ENABLE)) {
4089 tg3_readphy(tp, MII_BMCR, &bmcr);
4090 if (bmcr & BMCR_ANENABLE) {
4093 /* Select shadow register 0x1f */
4094 tg3_writephy(tp, 0x1c, 0x7c00);
4095 tg3_readphy(tp, 0x1c, &phy1);
4097 /* Select expansion interrupt status register */
4098 tg3_writephy(tp, 0x17, 0x0f01);
4099 tg3_readphy(tp, 0x15, &phy2);
4100 tg3_readphy(tp, 0x15, &phy2);
4102 if ((phy1 & 0x10) && !(phy2 & 0x20)) {
4103 /* We have signal detect and not receiving
4104 * config code words, link is up by parallel
4108 bmcr &= ~BMCR_ANENABLE;
4109 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
4110 tg3_writephy(tp, MII_BMCR, bmcr);
4111 tp->tg3_flags2 |= TG3_FLG2_PARALLEL_DETECT;
4115 else if (netif_carrier_ok(tp->dev) &&
4116 (tp->link_config.autoneg == AUTONEG_ENABLE) &&
4117 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
4120 /* Select expansion interrupt status register */
4121 tg3_writephy(tp, 0x17, 0x0f01);
4122 tg3_readphy(tp, 0x15, &phy2);
4126 /* Config code words received, turn on autoneg. */
4127 tg3_readphy(tp, MII_BMCR, &bmcr);
4128 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANENABLE);
4130 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
4136 static int tg3_setup_phy(struct tg3 *tp, int force_reset)
4140 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
4141 err = tg3_setup_fiber_phy(tp, force_reset);
4142 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
4143 err = tg3_setup_fiber_mii_phy(tp, force_reset);
4145 err = tg3_setup_copper_phy(tp, force_reset);
4148 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX) {
4151 val = tr32(TG3_CPMU_CLCK_STAT) & CPMU_CLCK_STAT_MAC_CLCK_MASK;
4152 if (val == CPMU_CLCK_STAT_MAC_CLCK_62_5)
4154 else if (val == CPMU_CLCK_STAT_MAC_CLCK_6_25)
4159 val = tr32(GRC_MISC_CFG) & ~GRC_MISC_CFG_PRESCALAR_MASK;
4160 val |= (scale << GRC_MISC_CFG_PRESCALAR_SHIFT);
4161 tw32(GRC_MISC_CFG, val);
4164 if (tp->link_config.active_speed == SPEED_1000 &&
4165 tp->link_config.active_duplex == DUPLEX_HALF)
4166 tw32(MAC_TX_LENGTHS,
4167 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
4168 (6 << TX_LENGTHS_IPG_SHIFT) |
4169 (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
4171 tw32(MAC_TX_LENGTHS,
4172 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
4173 (6 << TX_LENGTHS_IPG_SHIFT) |
4174 (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
4176 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
4177 if (netif_carrier_ok(tp->dev)) {
4178 tw32(HOSTCC_STAT_COAL_TICKS,
4179 tp->coal.stats_block_coalesce_usecs);
4181 tw32(HOSTCC_STAT_COAL_TICKS, 0);
4185 if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND) {
4186 u32 val = tr32(PCIE_PWR_MGMT_THRESH);
4187 if (!netif_carrier_ok(tp->dev))
4188 val = (val & ~PCIE_PWR_MGMT_L1_THRESH_MSK) |
4191 val |= PCIE_PWR_MGMT_L1_THRESH_MSK;
4192 tw32(PCIE_PWR_MGMT_THRESH, val);
4198 /* This is called whenever we suspect that the system chipset is re-
4199 * ordering the sequence of MMIO to the tx send mailbox. The symptom
4200 * is bogus tx completions. We try to recover by setting the
4201 * TG3_FLAG_MBOX_WRITE_REORDER flag and resetting the chip later
4204 static void tg3_tx_recover(struct tg3 *tp)
4206 BUG_ON((tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) ||
4207 tp->write32_tx_mbox == tg3_write_indirect_mbox);
4209 printk(KERN_WARNING PFX "%s: The system may be re-ordering memory-"
4210 "mapped I/O cycles to the network device, attempting to "
4211 "recover. Please report the problem to the driver maintainer "
4212 "and include system chipset information.\n", tp->dev->name);
4214 spin_lock(&tp->lock);
4215 tp->tg3_flags |= TG3_FLAG_TX_RECOVERY_PENDING;
4216 spin_unlock(&tp->lock);
4219 static inline u32 tg3_tx_avail(struct tg3 *tp)
4222 return (tp->tx_pending -
4223 ((tp->tx_prod - tp->tx_cons) & (TG3_TX_RING_SIZE - 1)));
4226 /* Tigon3 never reports partial packet sends. So we do not
4227 * need special logic to handle SKBs that have not had all
4228 * of their frags sent yet, like SunGEM does.
4230 static void tg3_tx(struct tg3 *tp)
4232 u32 hw_idx = tp->hw_status->idx[0].tx_consumer;
4233 u32 sw_idx = tp->tx_cons;
4235 while (sw_idx != hw_idx) {
4236 struct tx_ring_info *ri = &tp->tx_buffers[sw_idx];
4237 struct sk_buff *skb = ri->skb;
4240 if (unlikely(skb == NULL)) {
4245 skb_dma_unmap(&tp->pdev->dev, skb, DMA_TO_DEVICE);
4249 sw_idx = NEXT_TX(sw_idx);
4251 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
4252 ri = &tp->tx_buffers[sw_idx];
4253 if (unlikely(ri->skb != NULL || sw_idx == hw_idx))
4255 sw_idx = NEXT_TX(sw_idx);
4260 if (unlikely(tx_bug)) {
4266 tp->tx_cons = sw_idx;
4268 /* Need to make the tx_cons update visible to tg3_start_xmit()
4269 * before checking for netif_queue_stopped(). Without the
4270 * memory barrier, there is a small possibility that tg3_start_xmit()
4271 * will miss it and cause the queue to be stopped forever.
4275 if (unlikely(netif_queue_stopped(tp->dev) &&
4276 (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp)))) {
4277 netif_tx_lock(tp->dev);
4278 if (netif_queue_stopped(tp->dev) &&
4279 (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp)))
4280 netif_wake_queue(tp->dev);
4281 netif_tx_unlock(tp->dev);
4285 /* Returns size of skb allocated or < 0 on error.
4287 * We only need to fill in the address because the other members
4288 * of the RX descriptor are invariant, see tg3_init_rings.
4290 * Note the purposeful assymetry of cpu vs. chip accesses. For
4291 * posting buffers we only dirty the first cache line of the RX
4292 * descriptor (containing the address). Whereas for the RX status
4293 * buffers the cpu only reads the last cacheline of the RX descriptor
4294 * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
4296 static int tg3_alloc_rx_skb(struct tg3 *tp, u32 opaque_key,
4297 int src_idx, u32 dest_idx_unmasked)
4299 struct tg3_rx_buffer_desc *desc;
4300 struct ring_info *map, *src_map;
4301 struct sk_buff *skb;
4303 int skb_size, dest_idx;
4306 switch (opaque_key) {
4307 case RXD_OPAQUE_RING_STD:
4308 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
4309 desc = &tp->rx_std[dest_idx];
4310 map = &tp->rx_std_buffers[dest_idx];
4312 src_map = &tp->rx_std_buffers[src_idx];
4313 skb_size = tp->rx_pkt_buf_sz;
4316 case RXD_OPAQUE_RING_JUMBO:
4317 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
4318 desc = &tp->rx_jumbo[dest_idx];
4319 map = &tp->rx_jumbo_buffers[dest_idx];
4321 src_map = &tp->rx_jumbo_buffers[src_idx];
4322 skb_size = RX_JUMBO_PKT_BUF_SZ;
4329 /* Do not overwrite any of the map or rp information
4330 * until we are sure we can commit to a new buffer.
4332 * Callers depend upon this behavior and assume that
4333 * we leave everything unchanged if we fail.
4335 skb = netdev_alloc_skb(tp->dev, skb_size);
4339 skb_reserve(skb, tp->rx_offset);
4341 mapping = pci_map_single(tp->pdev, skb->data,
4342 skb_size - tp->rx_offset,
4343 PCI_DMA_FROMDEVICE);
4346 pci_unmap_addr_set(map, mapping, mapping);
4348 if (src_map != NULL)
4349 src_map->skb = NULL;
4351 desc->addr_hi = ((u64)mapping >> 32);
4352 desc->addr_lo = ((u64)mapping & 0xffffffff);
4357 /* We only need to move over in the address because the other
4358 * members of the RX descriptor are invariant. See notes above
4359 * tg3_alloc_rx_skb for full details.
4361 static void tg3_recycle_rx(struct tg3 *tp, u32 opaque_key,
4362 int src_idx, u32 dest_idx_unmasked)
4364 struct tg3_rx_buffer_desc *src_desc, *dest_desc;
4365 struct ring_info *src_map, *dest_map;
4368 switch (opaque_key) {
4369 case RXD_OPAQUE_RING_STD:
4370 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
4371 dest_desc = &tp->rx_std[dest_idx];
4372 dest_map = &tp->rx_std_buffers[dest_idx];
4373 src_desc = &tp->rx_std[src_idx];
4374 src_map = &tp->rx_std_buffers[src_idx];
4377 case RXD_OPAQUE_RING_JUMBO:
4378 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
4379 dest_desc = &tp->rx_jumbo[dest_idx];
4380 dest_map = &tp->rx_jumbo_buffers[dest_idx];
4381 src_desc = &tp->rx_jumbo[src_idx];
4382 src_map = &tp->rx_jumbo_buffers[src_idx];
4389 dest_map->skb = src_map->skb;
4390 pci_unmap_addr_set(dest_map, mapping,
4391 pci_unmap_addr(src_map, mapping));
4392 dest_desc->addr_hi = src_desc->addr_hi;
4393 dest_desc->addr_lo = src_desc->addr_lo;
4395 src_map->skb = NULL;
4398 #if TG3_VLAN_TAG_USED
4399 static int tg3_vlan_rx(struct tg3 *tp, struct sk_buff *skb, u16 vlan_tag)
4401 return vlan_gro_receive(&tp->napi, tp->vlgrp, vlan_tag, skb);
4405 /* The RX ring scheme is composed of multiple rings which post fresh
4406 * buffers to the chip, and one special ring the chip uses to report
4407 * status back to the host.
4409 * The special ring reports the status of received packets to the
4410 * host. The chip does not write into the original descriptor the
4411 * RX buffer was obtained from. The chip simply takes the original
4412 * descriptor as provided by the host, updates the status and length
4413 * field, then writes this into the next status ring entry.
4415 * Each ring the host uses to post buffers to the chip is described
4416 * by a TG3_BDINFO entry in the chips SRAM area. When a packet arrives,
4417 * it is first placed into the on-chip ram. When the packet's length
4418 * is known, it walks down the TG3_BDINFO entries to select the ring.
4419 * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
4420 * which is within the range of the new packet's length is chosen.
4422 * The "separate ring for rx status" scheme may sound queer, but it makes
4423 * sense from a cache coherency perspective. If only the host writes
4424 * to the buffer post rings, and only the chip writes to the rx status
4425 * rings, then cache lines never move beyond shared-modified state.
4426 * If both the host and chip were to write into the same ring, cache line
4427 * eviction could occur since both entities want it in an exclusive state.
4429 static int tg3_rx(struct tg3 *tp, int budget)
4431 u32 work_mask, rx_std_posted = 0;
4432 u32 sw_idx = tp->rx_rcb_ptr;
4436 hw_idx = tp->hw_status->idx[0].rx_producer;
4438 * We need to order the read of hw_idx and the read of
4439 * the opaque cookie.
4444 while (sw_idx != hw_idx && budget > 0) {
4445 struct tg3_rx_buffer_desc *desc = &tp->rx_rcb[sw_idx];
4447 struct sk_buff *skb;
4448 dma_addr_t dma_addr;
4449 u32 opaque_key, desc_idx, *post_ptr;
4451 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
4452 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
4453 if (opaque_key == RXD_OPAQUE_RING_STD) {
4454 dma_addr = pci_unmap_addr(&tp->rx_std_buffers[desc_idx],
4456 skb = tp->rx_std_buffers[desc_idx].skb;
4457 post_ptr = &tp->rx_std_ptr;
4459 } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
4460 dma_addr = pci_unmap_addr(&tp->rx_jumbo_buffers[desc_idx],
4462 skb = tp->rx_jumbo_buffers[desc_idx].skb;
4463 post_ptr = &tp->rx_jumbo_ptr;
4466 goto next_pkt_nopost;
4469 work_mask |= opaque_key;
4471 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
4472 (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
4474 tg3_recycle_rx(tp, opaque_key,
4475 desc_idx, *post_ptr);
4477 /* Other statistics kept track of by card. */
4478 tp->net_stats.rx_dropped++;
4482 len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) -
4485 if (len > RX_COPY_THRESHOLD
4486 && tp->rx_offset == NET_IP_ALIGN
4487 /* rx_offset will likely not equal NET_IP_ALIGN
4488 * if this is a 5701 card running in PCI-X mode
4489 * [see tg3_get_invariants()]
4494 skb_size = tg3_alloc_rx_skb(tp, opaque_key,
4495 desc_idx, *post_ptr);
4499 pci_unmap_single(tp->pdev, dma_addr,
4500 skb_size - tp->rx_offset,
4501 PCI_DMA_FROMDEVICE);
4505 struct sk_buff *copy_skb;
4507 tg3_recycle_rx(tp, opaque_key,
4508 desc_idx, *post_ptr);
4510 copy_skb = netdev_alloc_skb(tp->dev,
4511 len + TG3_RAW_IP_ALIGN);
4512 if (copy_skb == NULL)
4513 goto drop_it_no_recycle;
4515 skb_reserve(copy_skb, TG3_RAW_IP_ALIGN);
4516 skb_put(copy_skb, len);
4517 pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
4518 skb_copy_from_linear_data(skb, copy_skb->data, len);
4519 pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
4521 /* We'll reuse the original ring buffer. */
4525 if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
4526 (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
4527 (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
4528 >> RXD_TCPCSUM_SHIFT) == 0xffff))
4529 skb->ip_summed = CHECKSUM_UNNECESSARY;
4531 skb->ip_summed = CHECKSUM_NONE;
4533 skb->protocol = eth_type_trans(skb, tp->dev);
4535 if (len > (tp->dev->mtu + ETH_HLEN) &&
4536 skb->protocol != htons(ETH_P_8021Q)) {
4541 #if TG3_VLAN_TAG_USED
4542 if (tp->vlgrp != NULL &&
4543 desc->type_flags & RXD_FLAG_VLAN) {
4544 tg3_vlan_rx(tp, skb,
4545 desc->err_vlan & RXD_VLAN_MASK);
4548 napi_gro_receive(&tp->napi, skb);
4556 if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
4557 u32 idx = *post_ptr % TG3_RX_RING_SIZE;
4559 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX +
4560 TG3_64BIT_REG_LOW, idx);
4561 work_mask &= ~RXD_OPAQUE_RING_STD;
4566 sw_idx &= (TG3_RX_RCB_RING_SIZE(tp) - 1);
4568 /* Refresh hw_idx to see if there is new work */
4569 if (sw_idx == hw_idx) {
4570 hw_idx = tp->hw_status->idx[0].rx_producer;
4575 /* ACK the status ring. */
4576 tp->rx_rcb_ptr = sw_idx;
4577 tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, sw_idx);
4579 /* Refill RX ring(s). */
4580 if (work_mask & RXD_OPAQUE_RING_STD) {
4581 sw_idx = tp->rx_std_ptr % TG3_RX_RING_SIZE;
4582 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
4585 if (work_mask & RXD_OPAQUE_RING_JUMBO) {
4586 sw_idx = tp->rx_jumbo_ptr % TG3_RX_JUMBO_RING_SIZE;
4587 tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
4595 static int tg3_poll_work(struct tg3 *tp, int work_done, int budget)
4597 struct tg3_hw_status *sblk = tp->hw_status;
4599 /* handle link change and other phy events */
4600 if (!(tp->tg3_flags &
4601 (TG3_FLAG_USE_LINKCHG_REG |
4602 TG3_FLAG_POLL_SERDES))) {
4603 if (sblk->status & SD_STATUS_LINK_CHG) {
4604 sblk->status = SD_STATUS_UPDATED |
4605 (sblk->status & ~SD_STATUS_LINK_CHG);
4606 spin_lock(&tp->lock);
4607 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
4609 (MAC_STATUS_SYNC_CHANGED |
4610 MAC_STATUS_CFG_CHANGED |
4611 MAC_STATUS_MI_COMPLETION |
4612 MAC_STATUS_LNKSTATE_CHANGED));
4615 tg3_setup_phy(tp, 0);
4616 spin_unlock(&tp->lock);
4620 /* run TX completion thread */
4621 if (sblk->idx[0].tx_consumer != tp->tx_cons) {
4623 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
4627 /* run RX thread, within the bounds set by NAPI.
4628 * All RX "locking" is done by ensuring outside
4629 * code synchronizes with tg3->napi.poll()
4631 if (sblk->idx[0].rx_producer != tp->rx_rcb_ptr)
4632 work_done += tg3_rx(tp, budget - work_done);
4637 static int tg3_poll(struct napi_struct *napi, int budget)
4639 struct tg3 *tp = container_of(napi, struct tg3, napi);
4641 struct tg3_hw_status *sblk = tp->hw_status;
4644 work_done = tg3_poll_work(tp, work_done, budget);
4646 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
4649 if (unlikely(work_done >= budget))
4652 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
4653 /* tp->last_tag is used in tg3_restart_ints() below
4654 * to tell the hw how much work has been processed,
4655 * so we must read it before checking for more work.
4657 tp->last_tag = sblk->status_tag;
4658 tp->last_irq_tag = tp->last_tag;
4661 sblk->status &= ~SD_STATUS_UPDATED;
4663 if (likely(!tg3_has_work(tp))) {
4664 napi_complete(napi);
4665 tg3_restart_ints(tp);
4673 /* work_done is guaranteed to be less than budget. */
4674 napi_complete(napi);
4675 schedule_work(&tp->reset_task);
4679 static void tg3_irq_quiesce(struct tg3 *tp)
4681 BUG_ON(tp->irq_sync);
4686 synchronize_irq(tp->pdev->irq);
4689 static inline int tg3_irq_sync(struct tg3 *tp)
4691 return tp->irq_sync;
4694 /* Fully shutdown all tg3 driver activity elsewhere in the system.
4695 * If irq_sync is non-zero, then the IRQ handler must be synchronized
4696 * with as well. Most of the time, this is not necessary except when
4697 * shutting down the device.
4699 static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
4701 spin_lock_bh(&tp->lock);
4703 tg3_irq_quiesce(tp);
4706 static inline void tg3_full_unlock(struct tg3 *tp)
4708 spin_unlock_bh(&tp->lock);
4711 /* One-shot MSI handler - Chip automatically disables interrupt
4712 * after sending MSI so driver doesn't have to do it.
4714 static irqreturn_t tg3_msi_1shot(int irq, void *dev_id)
4716 struct net_device *dev = dev_id;
4717 struct tg3 *tp = netdev_priv(dev);
4719 prefetch(tp->hw_status);
4720 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
4722 if (likely(!tg3_irq_sync(tp)))
4723 napi_schedule(&tp->napi);
4728 /* MSI ISR - No need to check for interrupt sharing and no need to
4729 * flush status block and interrupt mailbox. PCI ordering rules
4730 * guarantee that MSI will arrive after the status block.
4732 static irqreturn_t tg3_msi(int irq, void *dev_id)
4734 struct net_device *dev = dev_id;
4735 struct tg3 *tp = netdev_priv(dev);
4737 prefetch(tp->hw_status);
4738 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
4740 * Writing any value to intr-mbox-0 clears PCI INTA# and
4741 * chip-internal interrupt pending events.
4742 * Writing non-zero to intr-mbox-0 additional tells the
4743 * NIC to stop sending us irqs, engaging "in-intr-handler"
4746 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
4747 if (likely(!tg3_irq_sync(tp)))
4748 napi_schedule(&tp->napi);
4750 return IRQ_RETVAL(1);
4753 static irqreturn_t tg3_interrupt(int irq, void *dev_id)
4755 struct net_device *dev = dev_id;
4756 struct tg3 *tp = netdev_priv(dev);
4757 struct tg3_hw_status *sblk = tp->hw_status;
4758 unsigned int handled = 1;
4760 /* In INTx mode, it is possible for the interrupt to arrive at
4761 * the CPU before the status block posted prior to the interrupt.
4762 * Reading the PCI State register will confirm whether the
4763 * interrupt is ours and will flush the status block.
4765 if (unlikely(!(sblk->status & SD_STATUS_UPDATED))) {
4766 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
4767 (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
4774 * Writing any value to intr-mbox-0 clears PCI INTA# and
4775 * chip-internal interrupt pending events.
4776 * Writing non-zero to intr-mbox-0 additional tells the
4777 * NIC to stop sending us irqs, engaging "in-intr-handler"
4780 * Flush the mailbox to de-assert the IRQ immediately to prevent
4781 * spurious interrupts. The flush impacts performance but
4782 * excessive spurious interrupts can be worse in some cases.
4784 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
4785 if (tg3_irq_sync(tp))
4787 sblk->status &= ~SD_STATUS_UPDATED;
4788 if (likely(tg3_has_work(tp))) {
4789 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
4790 napi_schedule(&tp->napi);
4792 /* No work, shared interrupt perhaps? re-enable
4793 * interrupts, and flush that PCI write
4795 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
4799 return IRQ_RETVAL(handled);
4802 static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id)
4804 struct net_device *dev = dev_id;
4805 struct tg3 *tp = netdev_priv(dev);
4806 struct tg3_hw_status *sblk = tp->hw_status;
4807 unsigned int handled = 1;
4809 /* In INTx mode, it is possible for the interrupt to arrive at
4810 * the CPU before the status block posted prior to the interrupt.
4811 * Reading the PCI State register will confirm whether the
4812 * interrupt is ours and will flush the status block.
4814 if (unlikely(sblk->status_tag == tp->last_irq_tag)) {
4815 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
4816 (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
4823 * writing any value to intr-mbox-0 clears PCI INTA# and
4824 * chip-internal interrupt pending events.
4825 * writing non-zero to intr-mbox-0 additional tells the
4826 * NIC to stop sending us irqs, engaging "in-intr-handler"
4829 * Flush the mailbox to de-assert the IRQ immediately to prevent
4830 * spurious interrupts. The flush impacts performance but
4831 * excessive spurious interrupts can be worse in some cases.
4833 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
4836 * In a shared interrupt configuration, sometimes other devices'
4837 * interrupts will scream. We record the current status tag here
4838 * so that the above check can report that the screaming interrupts
4839 * are unhandled. Eventually they will be silenced.
4841 tp->last_irq_tag = sblk->status_tag;
4843 if (tg3_irq_sync(tp))
4846 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
4848 napi_schedule(&tp->napi);
4851 return IRQ_RETVAL(handled);
4854 /* ISR for interrupt test */
4855 static irqreturn_t tg3_test_isr(int irq, void *dev_id)
4857 struct net_device *dev = dev_id;
4858 struct tg3 *tp = netdev_priv(dev);
4859 struct tg3_hw_status *sblk = tp->hw_status;
4861 if ((sblk->status & SD_STATUS_UPDATED) ||
4862 !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
4863 tg3_disable_ints(tp);
4864 return IRQ_RETVAL(1);
4866 return IRQ_RETVAL(0);
4869 static int tg3_init_hw(struct tg3 *, int);
4870 static int tg3_halt(struct tg3 *, int, int);
4872 /* Restart hardware after configuration changes, self-test, etc.
4873 * Invoked with tp->lock held.
4875 static int tg3_restart_hw(struct tg3 *tp, int reset_phy)
4876 __releases(tp->lock)
4877 __acquires(tp->lock)
4881 err = tg3_init_hw(tp, reset_phy);
4883 printk(KERN_ERR PFX "%s: Failed to re-initialize device, "
4884 "aborting.\n", tp->dev->name);
4885 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
4886 tg3_full_unlock(tp);
4887 del_timer_sync(&tp->timer);
4889 napi_enable(&tp->napi);
4891 tg3_full_lock(tp, 0);
4896 #ifdef CONFIG_NET_POLL_CONTROLLER
4897 static void tg3_poll_controller(struct net_device *dev)
4899 struct tg3 *tp = netdev_priv(dev);
4901 tg3_interrupt(tp->pdev->irq, dev);
4905 static void tg3_reset_task(struct work_struct *work)
4907 struct tg3 *tp = container_of(work, struct tg3, reset_task);
4909 unsigned int restart_timer;
4911 tg3_full_lock(tp, 0);
4913 if (!netif_running(tp->dev)) {
4914 tg3_full_unlock(tp);
4918 tg3_full_unlock(tp);
4924 tg3_full_lock(tp, 1);
4926 restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
4927 tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
4929 if (tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING) {
4930 tp->write32_tx_mbox = tg3_write32_tx_mbox;
4931 tp->write32_rx_mbox = tg3_write_flush_reg32;
4932 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
4933 tp->tg3_flags &= ~TG3_FLAG_TX_RECOVERY_PENDING;
4936 tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
4937 err = tg3_init_hw(tp, 1);
4941 tg3_netif_start(tp);
4944 mod_timer(&tp->timer, jiffies + 1);
4947 tg3_full_unlock(tp);
4953 static void tg3_dump_short_state(struct tg3 *tp)
4955 printk(KERN_ERR PFX "DEBUG: MAC_TX_STATUS[%08x] MAC_RX_STATUS[%08x]\n",
4956 tr32(MAC_TX_STATUS), tr32(MAC_RX_STATUS));
4957 printk(KERN_ERR PFX "DEBUG: RDMAC_STATUS[%08x] WDMAC_STATUS[%08x]\n",
4958 tr32(RDMAC_STATUS), tr32(WDMAC_STATUS));
4961 static void tg3_tx_timeout(struct net_device *dev)
4963 struct tg3 *tp = netdev_priv(dev);
4965 if (netif_msg_tx_err(tp)) {
4966 printk(KERN_ERR PFX "%s: transmit timed out, resetting\n",
4968 tg3_dump_short_state(tp);
4971 schedule_work(&tp->reset_task);
4974 /* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
4975 static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
4977 u32 base = (u32) mapping & 0xffffffff;
4979 return ((base > 0xffffdcc0) &&
4980 (base + len + 8 < base));
4983 /* Test for DMA addresses > 40-bit */
4984 static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
4987 #if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
4988 if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG)
4989 return (((u64) mapping + len) > DMA_BIT_MASK(40));
4996 static void tg3_set_txd(struct tg3 *, int, dma_addr_t, int, u32, u32);
4998 /* Workaround 4GB and 40-bit hardware DMA bugs. */
4999 static int tigon3_dma_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
5000 u32 last_plus_one, u32 *start,
5001 u32 base_flags, u32 mss)
5003 struct sk_buff *new_skb;
5004 dma_addr_t new_addr = 0;
5008 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
5009 new_skb = skb_copy(skb, GFP_ATOMIC);
5011 int more_headroom = 4 - ((unsigned long)skb->data & 3);
5013 new_skb = skb_copy_expand(skb,
5014 skb_headroom(skb) + more_headroom,
5015 skb_tailroom(skb), GFP_ATOMIC);
5021 /* New SKB is guaranteed to be linear. */
5023 ret = skb_dma_map(&tp->pdev->dev, new_skb, DMA_TO_DEVICE);
5024 new_addr = skb_shinfo(new_skb)->dma_head;
5026 /* Make sure new skb does not cross any 4G boundaries.
5027 * Drop the packet if it does.
5029 if (ret || tg3_4g_overflow_test(new_addr, new_skb->len)) {
5031 skb_dma_unmap(&tp->pdev->dev, new_skb,
5034 dev_kfree_skb(new_skb);
5037 tg3_set_txd(tp, entry, new_addr, new_skb->len,
5038 base_flags, 1 | (mss << 1));
5039 *start = NEXT_TX(entry);
5043 /* Now clean up the sw ring entries. */
5045 while (entry != last_plus_one) {
5047 tp->tx_buffers[entry].skb = new_skb;
5049 tp->tx_buffers[entry].skb = NULL;
5051 entry = NEXT_TX(entry);
5055 skb_dma_unmap(&tp->pdev->dev, skb, DMA_TO_DEVICE);
5061 static void tg3_set_txd(struct tg3 *tp, int entry,
5062 dma_addr_t mapping, int len, u32 flags,
5065 struct tg3_tx_buffer_desc *txd = &tp->tx_ring[entry];
5066 int is_end = (mss_and_is_end & 0x1);
5067 u32 mss = (mss_and_is_end >> 1);
5071 flags |= TXD_FLAG_END;
5072 if (flags & TXD_FLAG_VLAN) {
5073 vlan_tag = flags >> 16;
5076 vlan_tag |= (mss << TXD_MSS_SHIFT);
5078 txd->addr_hi = ((u64) mapping >> 32);
5079 txd->addr_lo = ((u64) mapping & 0xffffffff);
5080 txd->len_flags = (len << TXD_LEN_SHIFT) | flags;
5081 txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
5084 /* hard_start_xmit for devices that don't have any bugs and
5085 * support TG3_FLG2_HW_TSO_2 only.
5087 static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
5089 struct tg3 *tp = netdev_priv(dev);
5090 u32 len, entry, base_flags, mss;
5091 struct skb_shared_info *sp;
5094 len = skb_headlen(skb);
5096 /* We are running in BH disabled context with netif_tx_lock
5097 * and TX reclaim runs via tp->napi.poll inside of a software
5098 * interrupt. Furthermore, IRQ processing runs lockless so we have
5099 * no IRQ context deadlocks to worry about either. Rejoice!
5101 if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
5102 if (!netif_queue_stopped(dev)) {
5103 netif_stop_queue(dev);
5105 /* This is a hard error, log it. */
5106 printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
5107 "queue awake!\n", dev->name);
5109 return NETDEV_TX_BUSY;
5112 entry = tp->tx_prod;
5115 if ((mss = skb_shinfo(skb)->gso_size) != 0) {
5116 int tcp_opt_len, ip_tcp_len;
5118 if (skb_header_cloned(skb) &&
5119 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5124 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
5125 mss |= (skb_headlen(skb) - ETH_HLEN) << 9;
5127 struct iphdr *iph = ip_hdr(skb);
5129 tcp_opt_len = tcp_optlen(skb);
5130 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5133 iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
5134 mss |= (ip_tcp_len + tcp_opt_len) << 9;
5137 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
5138 TXD_FLAG_CPU_POST_DMA);
5140 tcp_hdr(skb)->check = 0;
5143 else if (skb->ip_summed == CHECKSUM_PARTIAL)
5144 base_flags |= TXD_FLAG_TCPUDP_CSUM;
5145 #if TG3_VLAN_TAG_USED
5146 if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
5147 base_flags |= (TXD_FLAG_VLAN |
5148 (vlan_tx_tag_get(skb) << 16));
5151 if (skb_dma_map(&tp->pdev->dev, skb, DMA_TO_DEVICE)) {
5156 sp = skb_shinfo(skb);
5158 mapping = sp->dma_head;
5160 tp->tx_buffers[entry].skb = skb;
5162 tg3_set_txd(tp, entry, mapping, len, base_flags,
5163 (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
5165 entry = NEXT_TX(entry);
5167 /* Now loop through additional data fragments, and queue them. */
5168 if (skb_shinfo(skb)->nr_frags > 0) {
5169 unsigned int i, last;
5171 last = skb_shinfo(skb)->nr_frags - 1;
5172 for (i = 0; i <= last; i++) {
5173 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5176 mapping = sp->dma_maps[i];
5177 tp->tx_buffers[entry].skb = NULL;
5179 tg3_set_txd(tp, entry, mapping, len,
5180 base_flags, (i == last) | (mss << 1));
5182 entry = NEXT_TX(entry);
5186 /* Packets are ready, update Tx producer idx local and on card. */
5187 tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
5189 tp->tx_prod = entry;
5190 if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
5191 netif_stop_queue(dev);
5192 if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp))
5193 netif_wake_queue(tp->dev);
5199 return NETDEV_TX_OK;
5202 static int tg3_start_xmit_dma_bug(struct sk_buff *, struct net_device *);
5204 /* Use GSO to workaround a rare TSO bug that may be triggered when the
5205 * TSO header is greater than 80 bytes.
5207 static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb)
5209 struct sk_buff *segs, *nskb;
5211 /* Estimate the number of fragments in the worst case */
5212 if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->gso_segs * 3))) {
5213 netif_stop_queue(tp->dev);
5214 if (tg3_tx_avail(tp) <= (skb_shinfo(skb)->gso_segs * 3))
5215 return NETDEV_TX_BUSY;
5217 netif_wake_queue(tp->dev);
5220 segs = skb_gso_segment(skb, tp->dev->features & ~NETIF_F_TSO);
5222 goto tg3_tso_bug_end;
5228 tg3_start_xmit_dma_bug(nskb, tp->dev);
5234 return NETDEV_TX_OK;
5237 /* hard_start_xmit for devices that have the 4G bug and/or 40-bit bug and
5238 * support TG3_FLG2_HW_TSO_1 or firmware TSO only.
5240 static int tg3_start_xmit_dma_bug(struct sk_buff *skb, struct net_device *dev)
5242 struct tg3 *tp = netdev_priv(dev);
5243 u32 len, entry, base_flags, mss;
5244 struct skb_shared_info *sp;
5245 int would_hit_hwbug;
5248 len = skb_headlen(skb);
5250 /* We are running in BH disabled context with netif_tx_lock
5251 * and TX reclaim runs via tp->napi.poll inside of a software
5252 * interrupt. Furthermore, IRQ processing runs lockless so we have
5253 * no IRQ context deadlocks to worry about either. Rejoice!
5255 if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
5256 if (!netif_queue_stopped(dev)) {
5257 netif_stop_queue(dev);
5259 /* This is a hard error, log it. */
5260 printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
5261 "queue awake!\n", dev->name);
5263 return NETDEV_TX_BUSY;
5266 entry = tp->tx_prod;
5268 if (skb->ip_summed == CHECKSUM_PARTIAL)
5269 base_flags |= TXD_FLAG_TCPUDP_CSUM;
5271 if ((mss = skb_shinfo(skb)->gso_size) != 0) {
5273 int tcp_opt_len, ip_tcp_len, hdr_len;
5275 if (skb_header_cloned(skb) &&
5276 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5281 tcp_opt_len = tcp_optlen(skb);
5282 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5284 hdr_len = ip_tcp_len + tcp_opt_len;
5285 if (unlikely((ETH_HLEN + hdr_len) > 80) &&
5286 (tp->tg3_flags2 & TG3_FLG2_TSO_BUG))
5287 return (tg3_tso_bug(tp, skb));
5289 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
5290 TXD_FLAG_CPU_POST_DMA);
5294 iph->tot_len = htons(mss + hdr_len);
5295 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
5296 tcp_hdr(skb)->check = 0;
5297 base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
5299 tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
5304 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
5305 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)) {
5306 if (tcp_opt_len || iph->ihl > 5) {
5309 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
5310 mss |= (tsflags << 11);
5313 if (tcp_opt_len || iph->ihl > 5) {
5316 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
5317 base_flags |= tsflags << 12;
5321 #if TG3_VLAN_TAG_USED
5322 if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
5323 base_flags |= (TXD_FLAG_VLAN |
5324 (vlan_tx_tag_get(skb) << 16));
5327 if (skb_dma_map(&tp->pdev->dev, skb, DMA_TO_DEVICE)) {
5332 sp = skb_shinfo(skb);
5334 mapping = sp->dma_head;
5336 tp->tx_buffers[entry].skb = skb;
5338 would_hit_hwbug = 0;
5340 if (tp->tg3_flags3 & TG3_FLG3_5701_DMA_BUG)
5341 would_hit_hwbug = 1;
5342 else if (tg3_4g_overflow_test(mapping, len))
5343 would_hit_hwbug = 1;
5345 tg3_set_txd(tp, entry, mapping, len, base_flags,
5346 (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
5348 entry = NEXT_TX(entry);
5350 /* Now loop through additional data fragments, and queue them. */
5351 if (skb_shinfo(skb)->nr_frags > 0) {
5352 unsigned int i, last;
5354 last = skb_shinfo(skb)->nr_frags - 1;
5355 for (i = 0; i <= last; i++) {
5356 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5359 mapping = sp->dma_maps[i];
5361 tp->tx_buffers[entry].skb = NULL;
5363 if (tg3_4g_overflow_test(mapping, len))
5364 would_hit_hwbug = 1;
5366 if (tg3_40bit_overflow_test(tp, mapping, len))
5367 would_hit_hwbug = 1;
5369 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
5370 tg3_set_txd(tp, entry, mapping, len,
5371 base_flags, (i == last)|(mss << 1));
5373 tg3_set_txd(tp, entry, mapping, len,
5374 base_flags, (i == last));
5376 entry = NEXT_TX(entry);
5380 if (would_hit_hwbug) {
5381 u32 last_plus_one = entry;
5384 start = entry - 1 - skb_shinfo(skb)->nr_frags;
5385 start &= (TG3_TX_RING_SIZE - 1);
5387 /* If the workaround fails due to memory/mapping
5388 * failure, silently drop this packet.
5390 if (tigon3_dma_hwbug_workaround(tp, skb, last_plus_one,
5391 &start, base_flags, mss))
5397 /* Packets are ready, update Tx producer idx local and on card. */
5398 tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
5400 tp->tx_prod = entry;
5401 if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
5402 netif_stop_queue(dev);
5403 if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp))
5404 netif_wake_queue(tp->dev);
5410 return NETDEV_TX_OK;
5413 static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
5418 if (new_mtu > ETH_DATA_LEN) {
5419 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
5420 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
5421 ethtool_op_set_tso(dev, 0);
5424 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
5426 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
5427 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
5428 tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
5432 static int tg3_change_mtu(struct net_device *dev, int new_mtu)
5434 struct tg3 *tp = netdev_priv(dev);
5437 if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
5440 if (!netif_running(dev)) {
5441 /* We'll just catch it later when the
5444 tg3_set_mtu(dev, tp, new_mtu);
5452 tg3_full_lock(tp, 1);
5454 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
5456 tg3_set_mtu(dev, tp, new_mtu);
5458 err = tg3_restart_hw(tp, 0);
5461 tg3_netif_start(tp);
5463 tg3_full_unlock(tp);
5471 /* Free up pending packets in all rx/tx rings.
5473 * The chip has been shut down and the driver detached from
5474 * the networking, so no interrupts or new tx packets will
5475 * end up in the driver. tp->{tx,}lock is not held and we are not
5476 * in an interrupt context and thus may sleep.
5478 static void tg3_free_rings(struct tg3 *tp)
5480 struct ring_info *rxp;
5483 for (i = 0; i < TG3_RX_RING_SIZE; i++) {
5484 rxp = &tp->rx_std_buffers[i];
5486 if (rxp->skb == NULL)
5488 pci_unmap_single(tp->pdev,
5489 pci_unmap_addr(rxp, mapping),
5490 tp->rx_pkt_buf_sz - tp->rx_offset,
5491 PCI_DMA_FROMDEVICE);
5492 dev_kfree_skb_any(rxp->skb);
5496 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
5497 rxp = &tp->rx_jumbo_buffers[i];
5499 if (rxp->skb == NULL)
5501 pci_unmap_single(tp->pdev,
5502 pci_unmap_addr(rxp, mapping),
5503 RX_JUMBO_PKT_BUF_SZ - tp->rx_offset,
5504 PCI_DMA_FROMDEVICE);
5505 dev_kfree_skb_any(rxp->skb);
5509 for (i = 0; i < TG3_TX_RING_SIZE; ) {
5510 struct tx_ring_info *txp;
5511 struct sk_buff *skb;
5513 txp = &tp->tx_buffers[i];
5521 skb_dma_unmap(&tp->pdev->dev, skb, DMA_TO_DEVICE);
5525 i += skb_shinfo(skb)->nr_frags + 1;
5527 dev_kfree_skb_any(skb);
5531 /* Initialize tx/rx rings for packet processing.
5533 * The chip has been shut down and the driver detached from
5534 * the networking, so no interrupts or new tx packets will
5535 * end up in the driver. tp->{tx,}lock are held and thus
5538 static int tg3_init_rings(struct tg3 *tp)
5542 /* Free up all the SKBs. */
5545 /* Zero out all descriptors. */
5546 memset(tp->rx_std, 0, TG3_RX_RING_BYTES);
5547 memset(tp->rx_jumbo, 0, TG3_RX_JUMBO_RING_BYTES);
5548 memset(tp->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
5549 memset(tp->tx_ring, 0, TG3_TX_RING_BYTES);
5551 tp->rx_pkt_buf_sz = RX_PKT_BUF_SZ;
5552 if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
5553 (tp->dev->mtu > ETH_DATA_LEN))
5554 tp->rx_pkt_buf_sz = RX_JUMBO_PKT_BUF_SZ;
5556 /* Initialize invariants of the rings, we only set this
5557 * stuff once. This works because the card does not
5558 * write into the rx buffer posting rings.
5560 for (i = 0; i < TG3_RX_RING_SIZE; i++) {
5561 struct tg3_rx_buffer_desc *rxd;
5563 rxd = &tp->rx_std[i];
5564 rxd->idx_len = (tp->rx_pkt_buf_sz - tp->rx_offset - 64)
5566 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
5567 rxd->opaque = (RXD_OPAQUE_RING_STD |
5568 (i << RXD_OPAQUE_INDEX_SHIFT));
5571 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
5572 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
5573 struct tg3_rx_buffer_desc *rxd;
5575 rxd = &tp->rx_jumbo[i];
5576 rxd->idx_len = (RX_JUMBO_PKT_BUF_SZ - tp->rx_offset - 64)
5578 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
5580 rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
5581 (i << RXD_OPAQUE_INDEX_SHIFT));
5585 /* Now allocate fresh SKBs for each rx ring. */
5586 for (i = 0; i < tp->rx_pending; i++) {
5587 if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_STD, -1, i) < 0) {
5588 printk(KERN_WARNING PFX
5589 "%s: Using a smaller RX standard ring, "
5590 "only %d out of %d buffers were allocated "
5592 tp->dev->name, i, tp->rx_pending);
5600 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
5601 for (i = 0; i < tp->rx_jumbo_pending; i++) {
5602 if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_JUMBO,
5604 printk(KERN_WARNING PFX
5605 "%s: Using a smaller RX jumbo ring, "
5606 "only %d out of %d buffers were "
5607 "allocated successfully.\n",
5608 tp->dev->name, i, tp->rx_jumbo_pending);
5613 tp->rx_jumbo_pending = i;
5622 * Must not be invoked with interrupt sources disabled and
5623 * the hardware shutdown down.
5625 static void tg3_free_consistent(struct tg3 *tp)
5627 kfree(tp->rx_std_buffers);
5628 tp->rx_std_buffers = NULL;
5630 pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
5631 tp->rx_std, tp->rx_std_mapping);
5635 pci_free_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
5636 tp->rx_jumbo, tp->rx_jumbo_mapping);
5637 tp->rx_jumbo = NULL;
5640 pci_free_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
5641 tp->rx_rcb, tp->rx_rcb_mapping);
5645 pci_free_consistent(tp->pdev, TG3_TX_RING_BYTES,
5646 tp->tx_ring, tp->tx_desc_mapping);
5649 if (tp->hw_status) {
5650 pci_free_consistent(tp->pdev, TG3_HW_STATUS_SIZE,
5651 tp->hw_status, tp->status_mapping);
5652 tp->hw_status = NULL;
5655 pci_free_consistent(tp->pdev, sizeof(struct tg3_hw_stats),
5656 tp->hw_stats, tp->stats_mapping);
5657 tp->hw_stats = NULL;
5662 * Must not be invoked with interrupt sources disabled and
5663 * the hardware shutdown down. Can sleep.
5665 static int tg3_alloc_consistent(struct tg3 *tp)
5667 tp->rx_std_buffers = kzalloc((sizeof(struct ring_info) *
5669 TG3_RX_JUMBO_RING_SIZE)) +
5670 (sizeof(struct tx_ring_info) *
5673 if (!tp->rx_std_buffers)
5676 tp->rx_jumbo_buffers = &tp->rx_std_buffers[TG3_RX_RING_SIZE];
5677 tp->tx_buffers = (struct tx_ring_info *)
5678 &tp->rx_jumbo_buffers[TG3_RX_JUMBO_RING_SIZE];
5680 tp->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_RING_BYTES,
5681 &tp->rx_std_mapping);
5685 tp->rx_jumbo = pci_alloc_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
5686 &tp->rx_jumbo_mapping);
5691 tp->rx_rcb = pci_alloc_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
5692 &tp->rx_rcb_mapping);
5696 tp->tx_ring = pci_alloc_consistent(tp->pdev, TG3_TX_RING_BYTES,
5697 &tp->tx_desc_mapping);
5701 tp->hw_status = pci_alloc_consistent(tp->pdev,
5703 &tp->status_mapping);
5707 tp->hw_stats = pci_alloc_consistent(tp->pdev,
5708 sizeof(struct tg3_hw_stats),
5709 &tp->stats_mapping);
5713 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
5714 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
5719 tg3_free_consistent(tp);
5723 #define MAX_WAIT_CNT 1000
5725 /* To stop a block, clear the enable bit and poll till it
5726 * clears. tp->lock is held.
5728 static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent)
5733 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
5740 /* We can't enable/disable these bits of the
5741 * 5705/5750, just say success.
5754 for (i = 0; i < MAX_WAIT_CNT; i++) {
5757 if ((val & enable_bit) == 0)
5761 if (i == MAX_WAIT_CNT && !silent) {
5762 printk(KERN_ERR PFX "tg3_stop_block timed out, "
5763 "ofs=%lx enable_bit=%x\n",
5771 /* tp->lock is held. */
5772 static int tg3_abort_hw(struct tg3 *tp, int silent)
5776 tg3_disable_ints(tp);
5778 tp->rx_mode &= ~RX_MODE_ENABLE;
5779 tw32_f(MAC_RX_MODE, tp->rx_mode);
5782 err = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
5783 err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
5784 err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
5785 err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
5786 err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
5787 err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
5789 err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
5790 err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
5791 err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
5792 err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
5793 err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
5794 err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
5795 err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
5797 tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
5798 tw32_f(MAC_MODE, tp->mac_mode);
5801 tp->tx_mode &= ~TX_MODE_ENABLE;
5802 tw32_f(MAC_TX_MODE, tp->tx_mode);
5804 for (i = 0; i < MAX_WAIT_CNT; i++) {
5806 if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
5809 if (i >= MAX_WAIT_CNT) {
5810 printk(KERN_ERR PFX "tg3_abort_hw timed out for %s, "
5811 "TX_MODE_ENABLE will not clear MAC_TX_MODE=%08x\n",
5812 tp->dev->name, tr32(MAC_TX_MODE));
5816 err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
5817 err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
5818 err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
5820 tw32(FTQ_RESET, 0xffffffff);
5821 tw32(FTQ_RESET, 0x00000000);
5823 err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
5824 err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
5827 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
5829 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
5834 static void tg3_ape_send_event(struct tg3 *tp, u32 event)
5839 apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
5840 if (apedata != APE_SEG_SIG_MAGIC)
5843 apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
5844 if (!(apedata & APE_FW_STATUS_READY))
5847 /* Wait for up to 1 millisecond for APE to service previous event. */
5848 for (i = 0; i < 10; i++) {
5849 if (tg3_ape_lock(tp, TG3_APE_LOCK_MEM))
5852 apedata = tg3_ape_read32(tp, TG3_APE_EVENT_STATUS);
5854 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
5855 tg3_ape_write32(tp, TG3_APE_EVENT_STATUS,
5856 event | APE_EVENT_STATUS_EVENT_PENDING);
5858 tg3_ape_unlock(tp, TG3_APE_LOCK_MEM);
5860 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
5866 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
5867 tg3_ape_write32(tp, TG3_APE_EVENT, APE_EVENT_1);
5870 static void tg3_ape_driver_state_change(struct tg3 *tp, int kind)
5875 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
5879 case RESET_KIND_INIT:
5880 tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG,
5881 APE_HOST_SEG_SIG_MAGIC);
5882 tg3_ape_write32(tp, TG3_APE_HOST_SEG_LEN,
5883 APE_HOST_SEG_LEN_MAGIC);
5884 apedata = tg3_ape_read32(tp, TG3_APE_HOST_INIT_COUNT);
5885 tg3_ape_write32(tp, TG3_APE_HOST_INIT_COUNT, ++apedata);
5886 tg3_ape_write32(tp, TG3_APE_HOST_DRIVER_ID,
5887 APE_HOST_DRIVER_ID_MAGIC);
5888 tg3_ape_write32(tp, TG3_APE_HOST_BEHAVIOR,
5889 APE_HOST_BEHAV_NO_PHYLOCK);
5891 event = APE_EVENT_STATUS_STATE_START;
5893 case RESET_KIND_SHUTDOWN:
5894 /* With the interface we are currently using,
5895 * APE does not track driver state. Wiping
5896 * out the HOST SEGMENT SIGNATURE forces
5897 * the APE to assume OS absent status.
5899 tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG, 0x0);
5901 event = APE_EVENT_STATUS_STATE_UNLOAD;
5903 case RESET_KIND_SUSPEND:
5904 event = APE_EVENT_STATUS_STATE_SUSPEND;
5910 event |= APE_EVENT_STATUS_DRIVER_EVNT | APE_EVENT_STATUS_STATE_CHNGE;
5912 tg3_ape_send_event(tp, event);
5915 /* tp->lock is held. */
5916 static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
5918 tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
5919 NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
5921 if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
5923 case RESET_KIND_INIT:
5924 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
5928 case RESET_KIND_SHUTDOWN:
5929 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
5933 case RESET_KIND_SUSPEND:
5934 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
5943 if (kind == RESET_KIND_INIT ||
5944 kind == RESET_KIND_SUSPEND)
5945 tg3_ape_driver_state_change(tp, kind);
5948 /* tp->lock is held. */
5949 static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
5951 if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
5953 case RESET_KIND_INIT:
5954 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
5955 DRV_STATE_START_DONE);
5958 case RESET_KIND_SHUTDOWN:
5959 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
5960 DRV_STATE_UNLOAD_DONE);
5968 if (kind == RESET_KIND_SHUTDOWN)
5969 tg3_ape_driver_state_change(tp, kind);
5972 /* tp->lock is held. */
5973 static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
5975 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
5977 case RESET_KIND_INIT:
5978 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
5982 case RESET_KIND_SHUTDOWN:
5983 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
5987 case RESET_KIND_SUSPEND:
5988 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
5998 static int tg3_poll_fw(struct tg3 *tp)
6003 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6004 /* Wait up to 20ms for init done. */
6005 for (i = 0; i < 200; i++) {
6006 if (tr32(VCPU_STATUS) & VCPU_STATUS_INIT_DONE)
6013 /* Wait for firmware initialization to complete. */
6014 for (i = 0; i < 100000; i++) {
6015 tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
6016 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
6021 /* Chip might not be fitted with firmware. Some Sun onboard
6022 * parts are configured like that. So don't signal the timeout
6023 * of the above loop as an error, but do report the lack of
6024 * running firmware once.
6027 !(tp->tg3_flags2 & TG3_FLG2_NO_FWARE_REPORTED)) {
6028 tp->tg3_flags2 |= TG3_FLG2_NO_FWARE_REPORTED;
6030 printk(KERN_INFO PFX "%s: No firmware running.\n",
6037 /* Save PCI command register before chip reset */
6038 static void tg3_save_pci_state(struct tg3 *tp)
6040 pci_read_config_word(tp->pdev, PCI_COMMAND, &tp->pci_cmd);
6043 /* Restore PCI state after chip reset */
6044 static void tg3_restore_pci_state(struct tg3 *tp)
6048 /* Re-enable indirect register accesses. */
6049 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
6050 tp->misc_host_ctrl);
6052 /* Set MAX PCI retry to zero. */
6053 val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
6054 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
6055 (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
6056 val |= PCISTATE_RETRY_SAME_DMA;
6057 /* Allow reads and writes to the APE register and memory space. */
6058 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
6059 val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
6060 PCISTATE_ALLOW_APE_SHMEM_WR;
6061 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
6063 pci_write_config_word(tp->pdev, PCI_COMMAND, tp->pci_cmd);
6065 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785) {
6066 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
6067 pcie_set_readrq(tp->pdev, 4096);
6069 pci_write_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
6070 tp->pci_cacheline_sz);
6071 pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
6076 /* Make sure PCI-X relaxed ordering bit is clear. */
6077 if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
6080 pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
6082 pcix_cmd &= ~PCI_X_CMD_ERO;
6083 pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
6087 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
6089 /* Chip reset on 5780 will reset MSI enable bit,
6090 * so need to restore it.
6092 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
6095 pci_read_config_word(tp->pdev,
6096 tp->msi_cap + PCI_MSI_FLAGS,
6098 pci_write_config_word(tp->pdev,
6099 tp->msi_cap + PCI_MSI_FLAGS,
6100 ctrl | PCI_MSI_FLAGS_ENABLE);
6101 val = tr32(MSGINT_MODE);
6102 tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
6107 static void tg3_stop_fw(struct tg3 *);
6109 /* tp->lock is held. */
6110 static int tg3_chip_reset(struct tg3 *tp)
6113 void (*write_op)(struct tg3 *, u32, u32);
6120 tg3_ape_lock(tp, TG3_APE_LOCK_GRC);
6122 /* No matching tg3_nvram_unlock() after this because
6123 * chip reset below will undo the nvram lock.
6125 tp->nvram_lock_cnt = 0;
6127 /* GRC_MISC_CFG core clock reset will clear the memory
6128 * enable bit in PCI register 4 and the MSI enable bit
6129 * on some chips, so we save relevant registers here.
6131 tg3_save_pci_state(tp);
6133 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
6134 (tp->tg3_flags3 & TG3_FLG3_5755_PLUS))
6135 tw32(GRC_FASTBOOT_PC, 0);
6138 * We must avoid the readl() that normally takes place.
6139 * It locks machines, causes machine checks, and other
6140 * fun things. So, temporarily disable the 5701
6141 * hardware workaround, while we do the reset.
6143 write_op = tp->write32;
6144 if (write_op == tg3_write_flush_reg32)
6145 tp->write32 = tg3_write32;
6147 /* Prevent the irq handler from reading or writing PCI registers
6148 * during chip reset when the memory enable bit in the PCI command
6149 * register may be cleared. The chip does not generate interrupt
6150 * at this time, but the irq handler may still be called due to irq
6151 * sharing or irqpoll.
6153 tp->tg3_flags |= TG3_FLAG_CHIP_RESETTING;
6154 if (tp->hw_status) {
6155 tp->hw_status->status = 0;
6156 tp->hw_status->status_tag = 0;
6159 tp->last_irq_tag = 0;
6161 synchronize_irq(tp->pdev->irq);
6164 val = GRC_MISC_CFG_CORECLK_RESET;
6166 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
6167 if (tr32(0x7e2c) == 0x60) {
6170 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
6171 tw32(GRC_MISC_CFG, (1 << 29));
6176 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6177 tw32(VCPU_STATUS, tr32(VCPU_STATUS) | VCPU_STATUS_DRV_RESET);
6178 tw32(GRC_VCPU_EXT_CTRL,
6179 tr32(GRC_VCPU_EXT_CTRL) & ~GRC_VCPU_EXT_CTRL_HALT_CPU);
6182 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
6183 val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
6184 tw32(GRC_MISC_CFG, val);
6186 /* restore 5701 hardware bug workaround write method */
6187 tp->write32 = write_op;
6189 /* Unfortunately, we have to delay before the PCI read back.
6190 * Some 575X chips even will not respond to a PCI cfg access
6191 * when the reset command is given to the chip.
6193 * How do these hardware designers expect things to work
6194 * properly if the PCI write is posted for a long period
6195 * of time? It is always necessary to have some method by
6196 * which a register read back can occur to push the write
6197 * out which does the reset.
6199 * For most tg3 variants the trick below was working.
6204 /* Flush PCI posted writes. The normal MMIO registers
6205 * are inaccessible at this time so this is the only
6206 * way to make this reliably (actually, this is no longer
6207 * the case, see above). I tried to use indirect
6208 * register read/write but this upset some 5701 variants.
6210 pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
6214 if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) && tp->pcie_cap) {
6215 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) {
6219 /* Wait for link training to complete. */
6220 for (i = 0; i < 5000; i++)
6223 pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
6224 pci_write_config_dword(tp->pdev, 0xc4,
6225 cfg_val | (1 << 15));
6228 /* Set PCIE max payload size to 128 bytes and
6229 * clear the "no snoop" and "relaxed ordering" bits.
6231 pci_write_config_word(tp->pdev,
6232 tp->pcie_cap + PCI_EXP_DEVCTL,
6235 pcie_set_readrq(tp->pdev, 4096);
6237 /* Clear error status */
6238 pci_write_config_word(tp->pdev,
6239 tp->pcie_cap + PCI_EXP_DEVSTA,
6240 PCI_EXP_DEVSTA_CED |
6241 PCI_EXP_DEVSTA_NFED |
6242 PCI_EXP_DEVSTA_FED |
6243 PCI_EXP_DEVSTA_URD);
6246 tg3_restore_pci_state(tp);
6248 tp->tg3_flags &= ~TG3_FLAG_CHIP_RESETTING;
6251 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
6252 val = tr32(MEMARB_MODE);
6253 tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
6255 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
6257 tw32(0x5000, 0x400);
6260 tw32(GRC_MODE, tp->grc_mode);
6262 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
6265 tw32(0xc4, val | (1 << 15));
6268 if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
6269 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
6270 tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
6271 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)
6272 tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
6273 tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
6276 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
6277 tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
6278 tw32_f(MAC_MODE, tp->mac_mode);
6279 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
6280 tp->mac_mode = MAC_MODE_PORT_MODE_GMII;
6281 tw32_f(MAC_MODE, tp->mac_mode);
6282 } else if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
6283 tp->mac_mode &= (MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN);
6284 if (tp->mac_mode & MAC_MODE_APE_TX_EN)
6285 tp->mac_mode |= MAC_MODE_TDE_ENABLE;
6286 tw32_f(MAC_MODE, tp->mac_mode);
6288 tw32_f(MAC_MODE, 0);
6293 tg3_ape_unlock(tp, TG3_APE_LOCK_GRC);
6295 err = tg3_poll_fw(tp);
6299 if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
6300 tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
6303 tw32(0x7c00, val | (1 << 25));
6306 /* Reprobe ASF enable state. */
6307 tp->tg3_flags &= ~TG3_FLAG_ENABLE_ASF;
6308 tp->tg3_flags2 &= ~TG3_FLG2_ASF_NEW_HANDSHAKE;
6309 tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
6310 if (val == NIC_SRAM_DATA_SIG_MAGIC) {
6313 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
6314 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
6315 tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
6316 tp->last_event_jiffies = jiffies;
6317 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
6318 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
6325 /* tp->lock is held. */
6326 static void tg3_stop_fw(struct tg3 *tp)
6328 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
6329 !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
6330 /* Wait for RX cpu to ACK the previous event. */
6331 tg3_wait_for_event_ack(tp);
6333 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
6335 tg3_generate_fw_event(tp);
6337 /* Wait for RX cpu to ACK this event. */
6338 tg3_wait_for_event_ack(tp);
6342 /* tp->lock is held. */
6343 static int tg3_halt(struct tg3 *tp, int kind, int silent)
6349 tg3_write_sig_pre_reset(tp, kind);
6351 tg3_abort_hw(tp, silent);
6352 err = tg3_chip_reset(tp);
6354 __tg3_set_mac_addr(tp, 0);
6356 tg3_write_sig_legacy(tp, kind);
6357 tg3_write_sig_post_reset(tp, kind);
6365 #define RX_CPU_SCRATCH_BASE 0x30000
6366 #define RX_CPU_SCRATCH_SIZE 0x04000
6367 #define TX_CPU_SCRATCH_BASE 0x34000
6368 #define TX_CPU_SCRATCH_SIZE 0x04000
6370 /* tp->lock is held. */
6371 static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
6375 BUG_ON(offset == TX_CPU_BASE &&
6376 (tp->tg3_flags2 & TG3_FLG2_5705_PLUS));
6378 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6379 u32 val = tr32(GRC_VCPU_EXT_CTRL);
6381 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_HALT_CPU);
6384 if (offset == RX_CPU_BASE) {
6385 for (i = 0; i < 10000; i++) {
6386 tw32(offset + CPU_STATE, 0xffffffff);
6387 tw32(offset + CPU_MODE, CPU_MODE_HALT);
6388 if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
6392 tw32(offset + CPU_STATE, 0xffffffff);
6393 tw32_f(offset + CPU_MODE, CPU_MODE_HALT);
6396 for (i = 0; i < 10000; i++) {
6397 tw32(offset + CPU_STATE, 0xffffffff);
6398 tw32(offset + CPU_MODE, CPU_MODE_HALT);
6399 if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
6405 printk(KERN_ERR PFX "tg3_reset_cpu timed out for %s, "
6408 (offset == RX_CPU_BASE ? "RX" : "TX"));
6412 /* Clear firmware's nvram arbitration. */
6413 if (tp->tg3_flags & TG3_FLAG_NVRAM)
6414 tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
6419 unsigned int fw_base;
6420 unsigned int fw_len;
6421 const __be32 *fw_data;
6424 /* tp->lock is held. */
6425 static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
6426 int cpu_scratch_size, struct fw_info *info)
6428 int err, lock_err, i;
6429 void (*write_op)(struct tg3 *, u32, u32);
6431 if (cpu_base == TX_CPU_BASE &&
6432 (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6433 printk(KERN_ERR PFX "tg3_load_firmware_cpu: Trying to load "
6434 "TX cpu firmware on %s which is 5705.\n",
6439 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
6440 write_op = tg3_write_mem;
6442 write_op = tg3_write_indirect_reg32;
6444 /* It is possible that bootcode is still loading at this point.
6445 * Get the nvram lock first before halting the cpu.
6447 lock_err = tg3_nvram_lock(tp);
6448 err = tg3_halt_cpu(tp, cpu_base);
6450 tg3_nvram_unlock(tp);
6454 for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
6455 write_op(tp, cpu_scratch_base + i, 0);
6456 tw32(cpu_base + CPU_STATE, 0xffffffff);
6457 tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
6458 for (i = 0; i < (info->fw_len / sizeof(u32)); i++)
6459 write_op(tp, (cpu_scratch_base +
6460 (info->fw_base & 0xffff) +
6462 be32_to_cpu(info->fw_data[i]));
6470 /* tp->lock is held. */
6471 static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
6473 struct fw_info info;
6474 const __be32 *fw_data;
6477 fw_data = (void *)tp->fw->data;
6479 /* Firmware blob starts with version numbers, followed by
6480 start address and length. We are setting complete length.
6481 length = end_address_of_bss - start_address_of_text.
6482 Remainder is the blob to be loaded contiguously
6483 from start address. */
6485 info.fw_base = be32_to_cpu(fw_data[1]);
6486 info.fw_len = tp->fw->size - 12;
6487 info.fw_data = &fw_data[3];
6489 err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
6490 RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
6495 err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
6496 TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
6501 /* Now startup only the RX cpu. */
6502 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
6503 tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base);
6505 for (i = 0; i < 5; i++) {
6506 if (tr32(RX_CPU_BASE + CPU_PC) == info.fw_base)
6508 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
6509 tw32(RX_CPU_BASE + CPU_MODE, CPU_MODE_HALT);
6510 tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base);
6514 printk(KERN_ERR PFX "tg3_load_firmware fails for %s "
6515 "to set RX CPU PC, is %08x should be %08x\n",
6516 tp->dev->name, tr32(RX_CPU_BASE + CPU_PC),
6520 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
6521 tw32_f(RX_CPU_BASE + CPU_MODE, 0x00000000);
6526 /* 5705 needs a special version of the TSO firmware. */
6528 /* tp->lock is held. */
6529 static int tg3_load_tso_firmware(struct tg3 *tp)
6531 struct fw_info info;
6532 const __be32 *fw_data;
6533 unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
6536 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
6539 fw_data = (void *)tp->fw->data;
6541 /* Firmware blob starts with version numbers, followed by
6542 start address and length. We are setting complete length.
6543 length = end_address_of_bss - start_address_of_text.
6544 Remainder is the blob to be loaded contiguously
6545 from start address. */
6547 info.fw_base = be32_to_cpu(fw_data[1]);
6548 cpu_scratch_size = tp->fw_len;
6549 info.fw_len = tp->fw->size - 12;
6550 info.fw_data = &fw_data[3];
6552 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
6553 cpu_base = RX_CPU_BASE;
6554 cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
6556 cpu_base = TX_CPU_BASE;
6557 cpu_scratch_base = TX_CPU_SCRATCH_BASE;
6558 cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
6561 err = tg3_load_firmware_cpu(tp, cpu_base,
6562 cpu_scratch_base, cpu_scratch_size,
6567 /* Now startup the cpu. */
6568 tw32(cpu_base + CPU_STATE, 0xffffffff);
6569 tw32_f(cpu_base + CPU_PC, info.fw_base);
6571 for (i = 0; i < 5; i++) {
6572 if (tr32(cpu_base + CPU_PC) == info.fw_base)
6574 tw32(cpu_base + CPU_STATE, 0xffffffff);
6575 tw32(cpu_base + CPU_MODE, CPU_MODE_HALT);
6576 tw32_f(cpu_base + CPU_PC, info.fw_base);
6580 printk(KERN_ERR PFX "tg3_load_tso_firmware fails for %s "
6581 "to set CPU PC, is %08x should be %08x\n",
6582 tp->dev->name, tr32(cpu_base + CPU_PC),
6586 tw32(cpu_base + CPU_STATE, 0xffffffff);
6587 tw32_f(cpu_base + CPU_MODE, 0x00000000);
6592 static int tg3_set_mac_addr(struct net_device *dev, void *p)
6594 struct tg3 *tp = netdev_priv(dev);
6595 struct sockaddr *addr = p;
6596 int err = 0, skip_mac_1 = 0;
6598 if (!is_valid_ether_addr(addr->sa_data))
6601 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
6603 if (!netif_running(dev))
6606 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
6607 u32 addr0_high, addr0_low, addr1_high, addr1_low;
6609 addr0_high = tr32(MAC_ADDR_0_HIGH);
6610 addr0_low = tr32(MAC_ADDR_0_LOW);
6611 addr1_high = tr32(MAC_ADDR_1_HIGH);
6612 addr1_low = tr32(MAC_ADDR_1_LOW);
6614 /* Skip MAC addr 1 if ASF is using it. */
6615 if ((addr0_high != addr1_high || addr0_low != addr1_low) &&
6616 !(addr1_high == 0 && addr1_low == 0))
6619 spin_lock_bh(&tp->lock);
6620 __tg3_set_mac_addr(tp, skip_mac_1);
6621 spin_unlock_bh(&tp->lock);
6626 /* tp->lock is held. */
6627 static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
6628 dma_addr_t mapping, u32 maxlen_flags,
6632 (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
6633 ((u64) mapping >> 32));
6635 (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
6636 ((u64) mapping & 0xffffffff));
6638 (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
6641 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6643 (bdinfo_addr + TG3_BDINFO_NIC_ADDR),
6647 static void __tg3_set_rx_mode(struct net_device *);
6648 static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
6650 tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
6651 tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
6652 tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
6653 tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
6654 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6655 tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
6656 tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
6658 tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
6659 tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
6660 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6661 u32 val = ec->stats_block_coalesce_usecs;
6663 if (!netif_carrier_ok(tp->dev))
6666 tw32(HOSTCC_STAT_COAL_TICKS, val);
6670 /* tp->lock is held. */
6671 static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
6673 u32 val, rdmac_mode;
6676 tg3_disable_ints(tp);
6680 tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
6682 if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) {
6683 tg3_abort_hw(tp, 1);
6687 !(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB))
6690 err = tg3_chip_reset(tp);
6694 tg3_write_sig_legacy(tp, RESET_KIND_INIT);
6696 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX) {
6697 val = tr32(TG3_CPMU_CTRL);
6698 val &= ~(CPMU_CTRL_LINK_AWARE_MODE | CPMU_CTRL_LINK_IDLE_MODE);
6699 tw32(TG3_CPMU_CTRL, val);
6701 val = tr32(TG3_CPMU_LSPD_10MB_CLK);
6702 val &= ~CPMU_LSPD_10MB_MACCLK_MASK;
6703 val |= CPMU_LSPD_10MB_MACCLK_6_25;
6704 tw32(TG3_CPMU_LSPD_10MB_CLK, val);
6706 val = tr32(TG3_CPMU_LNK_AWARE_PWRMD);
6707 val &= ~CPMU_LNK_AWARE_MACCLK_MASK;
6708 val |= CPMU_LNK_AWARE_MACCLK_6_25;
6709 tw32(TG3_CPMU_LNK_AWARE_PWRMD, val);
6711 val = tr32(TG3_CPMU_HST_ACC);
6712 val &= ~CPMU_HST_ACC_MACCLK_MASK;
6713 val |= CPMU_HST_ACC_MACCLK_6_25;
6714 tw32(TG3_CPMU_HST_ACC, val);
6717 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
6718 val = tr32(PCIE_PWR_MGMT_THRESH) & ~PCIE_PWR_MGMT_L1_THRESH_MSK;
6719 val |= PCIE_PWR_MGMT_EXT_ASPM_TMR_EN |
6720 PCIE_PWR_MGMT_L1_THRESH_4MS;
6721 tw32(PCIE_PWR_MGMT_THRESH, val);
6723 val = tr32(TG3_PCIE_EIDLE_DELAY) & ~TG3_PCIE_EIDLE_DELAY_MASK;
6724 tw32(TG3_PCIE_EIDLE_DELAY, val | TG3_PCIE_EIDLE_DELAY_13_CLKS);
6726 tw32(TG3_CORR_ERR_STAT, TG3_CORR_ERR_STAT_CLEAR);
6729 /* This works around an issue with Athlon chipsets on
6730 * B3 tigon3 silicon. This bit has no effect on any
6731 * other revision. But do not set this on PCI Express
6732 * chips and don't even touch the clocks if the CPMU is present.
6734 if (!(tp->tg3_flags & TG3_FLAG_CPMU_PRESENT)) {
6735 if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
6736 tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
6737 tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
6740 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
6741 (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
6742 val = tr32(TG3PCI_PCISTATE);
6743 val |= PCISTATE_RETRY_SAME_DMA;
6744 tw32(TG3PCI_PCISTATE, val);
6747 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
6748 /* Allow reads and writes to the
6749 * APE register and memory space.
6751 val = tr32(TG3PCI_PCISTATE);
6752 val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
6753 PCISTATE_ALLOW_APE_SHMEM_WR;
6754 tw32(TG3PCI_PCISTATE, val);
6757 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) {
6758 /* Enable some hw fixes. */
6759 val = tr32(TG3PCI_MSI_DATA);
6760 val |= (1 << 26) | (1 << 28) | (1 << 29);
6761 tw32(TG3PCI_MSI_DATA, val);
6764 /* Descriptor ring init may make accesses to the
6765 * NIC SRAM area to setup the TX descriptors, so we
6766 * can only do this after the hardware has been
6767 * successfully reset.
6769 err = tg3_init_rings(tp);
6773 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 &&
6774 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5761) {
6775 /* This value is determined during the probe time DMA
6776 * engine test, tg3_test_dma.
6778 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
6781 tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
6782 GRC_MODE_4X_NIC_SEND_RINGS |
6783 GRC_MODE_NO_TX_PHDR_CSUM |
6784 GRC_MODE_NO_RX_PHDR_CSUM);
6785 tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
6787 /* Pseudo-header checksum is done by hardware logic and not
6788 * the offload processers, so make the chip do the pseudo-
6789 * header checksums on receive. For transmit it is more
6790 * convenient to do the pseudo-header checksum in software
6791 * as Linux does that on transmit for us in all cases.
6793 tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
6797 (GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP));
6799 /* Setup the timer prescalar register. Clock is always 66Mhz. */
6800 val = tr32(GRC_MISC_CFG);
6802 val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
6803 tw32(GRC_MISC_CFG, val);
6805 /* Initialize MBUF/DESC pool. */
6806 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
6808 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
6809 tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
6810 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
6811 tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
6813 tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
6814 tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
6815 tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
6817 else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
6820 fw_len = tp->fw_len;
6821 fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
6822 tw32(BUFMGR_MB_POOL_ADDR,
6823 NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
6824 tw32(BUFMGR_MB_POOL_SIZE,
6825 NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
6828 if (tp->dev->mtu <= ETH_DATA_LEN) {
6829 tw32(BUFMGR_MB_RDMA_LOW_WATER,
6830 tp->bufmgr_config.mbuf_read_dma_low_water);
6831 tw32(BUFMGR_MB_MACRX_LOW_WATER,
6832 tp->bufmgr_config.mbuf_mac_rx_low_water);
6833 tw32(BUFMGR_MB_HIGH_WATER,
6834 tp->bufmgr_config.mbuf_high_water);
6836 tw32(BUFMGR_MB_RDMA_LOW_WATER,
6837 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
6838 tw32(BUFMGR_MB_MACRX_LOW_WATER,
6839 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
6840 tw32(BUFMGR_MB_HIGH_WATER,
6841 tp->bufmgr_config.mbuf_high_water_jumbo);
6843 tw32(BUFMGR_DMA_LOW_WATER,
6844 tp->bufmgr_config.dma_low_water);
6845 tw32(BUFMGR_DMA_HIGH_WATER,
6846 tp->bufmgr_config.dma_high_water);
6848 tw32(BUFMGR_MODE, BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE);
6849 for (i = 0; i < 2000; i++) {
6850 if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
6855 printk(KERN_ERR PFX "tg3_reset_hw cannot enable BUFMGR for %s.\n",
6860 /* Setup replenish threshold. */
6861 val = tp->rx_pending / 8;
6864 else if (val > tp->rx_std_max_post)
6865 val = tp->rx_std_max_post;
6866 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6867 if (tp->pci_chip_rev_id == CHIPREV_ID_5906_A1)
6868 tw32(ISO_PKT_TX, (tr32(ISO_PKT_TX) & ~0x3) | 0x2);
6870 if (val > (TG3_RX_INTERNAL_RING_SZ_5906 / 2))
6871 val = TG3_RX_INTERNAL_RING_SZ_5906 / 2;
6874 tw32(RCVBDI_STD_THRESH, val);
6876 /* Initialize TG3_BDINFO's at:
6877 * RCVDBDI_STD_BD: standard eth size rx ring
6878 * RCVDBDI_JUMBO_BD: jumbo frame rx ring
6879 * RCVDBDI_MINI_BD: small frame rx ring (??? does not work)
6882 * TG3_BDINFO_HOST_ADDR: high/low parts of DMA address of ring
6883 * TG3_BDINFO_MAXLEN_FLAGS: (rx max buffer size << 16) |
6884 * ring attribute flags
6885 * TG3_BDINFO_NIC_ADDR: location of descriptors in nic SRAM
6887 * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
6888 * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
6890 * The size of each ring is fixed in the firmware, but the location is
6893 tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
6894 ((u64) tp->rx_std_mapping >> 32));
6895 tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
6896 ((u64) tp->rx_std_mapping & 0xffffffff));
6897 tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
6898 NIC_SRAM_RX_BUFFER_DESC);
6900 /* Don't even try to program the JUMBO/MINI buffer descriptor
6903 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
6904 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
6905 RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT);
6907 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
6908 RX_STD_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
6910 tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
6911 BDINFO_FLAGS_DISABLED);
6913 /* Setup replenish threshold. */
6914 tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
6916 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
6917 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
6918 ((u64) tp->rx_jumbo_mapping >> 32));
6919 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
6920 ((u64) tp->rx_jumbo_mapping & 0xffffffff));
6921 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
6922 RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
6923 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
6924 NIC_SRAM_RX_JUMBO_BUFFER_DESC);
6926 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
6927 BDINFO_FLAGS_DISABLED);
6932 /* There is only one send ring on 5705/5750, no need to explicitly
6933 * disable the others.
6935 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6936 /* Clear out send RCB ring in SRAM. */
6937 for (i = NIC_SRAM_SEND_RCB; i < NIC_SRAM_RCV_RET_RCB; i += TG3_BDINFO_SIZE)
6938 tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
6939 BDINFO_FLAGS_DISABLED);
6944 tw32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
6945 tw32_tx_mbox(MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
6947 tg3_set_bdinfo(tp, NIC_SRAM_SEND_RCB,
6948 tp->tx_desc_mapping,
6949 (TG3_TX_RING_SIZE <<
6950 BDINFO_FLAGS_MAXLEN_SHIFT),
6951 NIC_SRAM_TX_BUFFER_DESC);
6953 /* There is only one receive return ring on 5705/5750, no need
6954 * to explicitly disable the others.
6956 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6957 for (i = NIC_SRAM_RCV_RET_RCB; i < NIC_SRAM_STATS_BLK;
6958 i += TG3_BDINFO_SIZE) {
6959 tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
6960 BDINFO_FLAGS_DISABLED);
6965 tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, 0);
6967 tg3_set_bdinfo(tp, NIC_SRAM_RCV_RET_RCB,
6969 (TG3_RX_RCB_RING_SIZE(tp) <<
6970 BDINFO_FLAGS_MAXLEN_SHIFT),
6973 tp->rx_std_ptr = tp->rx_pending;
6974 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
6977 tp->rx_jumbo_ptr = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
6978 tp->rx_jumbo_pending : 0;
6979 tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
6982 /* Initialize MAC address and backoff seed. */
6983 __tg3_set_mac_addr(tp, 0);
6985 /* MTU + ethernet header + FCS + optional VLAN tag */
6986 tw32(MAC_RX_MTU_SIZE,
6987 tp->dev->mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN);
6989 /* The slot time is changed by tg3_setup_phy if we
6990 * run at gigabit with half duplex.
6992 tw32(MAC_TX_LENGTHS,
6993 (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
6994 (6 << TX_LENGTHS_IPG_SHIFT) |
6995 (32 << TX_LENGTHS_SLOT_TIME_SHIFT));
6997 /* Receive rules. */
6998 tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
6999 tw32(RCVLPC_CONFIG, 0x0181);
7001 /* Calculate RDMAC_MODE setting early, we need it to determine
7002 * the RCVLPC_STATE_ENABLE mask.
7004 rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
7005 RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
7006 RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
7007 RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
7008 RDMAC_MODE_LNGREAD_ENAB);
7010 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
7011 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
7012 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
7013 rdmac_mode |= RDMAC_MODE_BD_SBD_CRPT_ENAB |
7014 RDMAC_MODE_MBUF_RBD_CRPT_ENAB |
7015 RDMAC_MODE_MBUF_SBD_CRPT_ENAB;
7017 /* If statement applies to 5705 and 5750 PCI devices only */
7018 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
7019 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
7020 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
7021 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE &&
7022 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
7023 rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
7024 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
7025 !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) {
7026 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
7030 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
7031 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
7033 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
7034 rdmac_mode |= RDMAC_MODE_IPV4_LSO_EN;
7036 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
7037 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
7038 rdmac_mode |= RDMAC_MODE_IPV6_LSO_EN;
7040 /* Receive/send statistics. */
7041 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
7042 val = tr32(RCVLPC_STATS_ENABLE);
7043 val &= ~RCVLPC_STATSENAB_DACK_FIX;
7044 tw32(RCVLPC_STATS_ENABLE, val);
7045 } else if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
7046 (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
7047 val = tr32(RCVLPC_STATS_ENABLE);
7048 val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
7049 tw32(RCVLPC_STATS_ENABLE, val);
7051 tw32(RCVLPC_STATS_ENABLE, 0xffffff);
7053 tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
7054 tw32(SNDDATAI_STATSENAB, 0xffffff);
7055 tw32(SNDDATAI_STATSCTRL,
7056 (SNDDATAI_SCTRL_ENABLE |
7057 SNDDATAI_SCTRL_FASTUPD));
7059 /* Setup host coalescing engine. */
7060 tw32(HOSTCC_MODE, 0);
7061 for (i = 0; i < 2000; i++) {
7062 if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
7067 __tg3_set_coalesce(tp, &tp->coal);
7069 /* set status block DMA address */
7070 tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
7071 ((u64) tp->status_mapping >> 32));
7072 tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
7073 ((u64) tp->status_mapping & 0xffffffff));
7075 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7076 /* Status/statistics block address. See tg3_timer,
7077 * the tg3_periodic_fetch_stats call there, and
7078 * tg3_get_stats to see how this works for 5705/5750 chips.
7080 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
7081 ((u64) tp->stats_mapping >> 32));
7082 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
7083 ((u64) tp->stats_mapping & 0xffffffff));
7084 tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
7085 tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
7088 tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
7090 tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
7091 tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
7092 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7093 tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
7095 /* Clear statistics/status block in chip, and status block in ram. */
7096 for (i = NIC_SRAM_STATS_BLK;
7097 i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
7099 tg3_write_mem(tp, i, 0);
7102 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
7104 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
7105 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
7106 /* reset to prevent losing 1st rx packet intermittently */
7107 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
7111 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
7112 tp->mac_mode &= MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN;
7115 tp->mac_mode |= MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
7116 MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
7117 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
7118 !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
7119 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700)
7120 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
7121 tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
7124 /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
7125 * If TG3_FLG2_IS_NIC is zero, we should read the
7126 * register to preserve the GPIO settings for LOMs. The GPIOs,
7127 * whether used as inputs or outputs, are set by boot code after
7130 if (!(tp->tg3_flags2 & TG3_FLG2_IS_NIC)) {
7133 gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE1 |
7134 GRC_LCLCTRL_GPIO_OE2 | GRC_LCLCTRL_GPIO_OUTPUT0 |
7135 GRC_LCLCTRL_GPIO_OUTPUT1 | GRC_LCLCTRL_GPIO_OUTPUT2;
7137 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
7138 gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
7139 GRC_LCLCTRL_GPIO_OUTPUT3;
7141 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
7142 gpio_mask |= GRC_LCLCTRL_GPIO_UART_SEL;
7144 tp->grc_local_ctrl &= ~gpio_mask;
7145 tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
7147 /* GPIO1 must be driven high for eeprom write protect */
7148 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT)
7149 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
7150 GRC_LCLCTRL_GPIO_OUTPUT1);
7152 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
7155 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0);
7157 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7158 tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
7162 val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
7163 WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
7164 WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
7165 WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
7166 WDMAC_MODE_LNGREAD_ENAB);
7168 /* If statement applies to 5705 and 5750 PCI devices only */
7169 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
7170 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
7171 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
7172 if ((tp->tg3_flags & TG3_FLG2_TSO_CAPABLE) &&
7173 (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
7174 tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
7176 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
7177 !(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
7178 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
7179 val |= WDMAC_MODE_RX_ACCEL;
7183 /* Enable host coalescing bug fix */
7184 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
7185 val |= WDMAC_MODE_STATUS_TAG_FIX;
7187 tw32_f(WDMAC_MODE, val);
7190 if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
7193 pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
7195 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
7196 pcix_cmd &= ~PCI_X_CMD_MAX_READ;
7197 pcix_cmd |= PCI_X_CMD_READ_2K;
7198 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
7199 pcix_cmd &= ~(PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ);
7200 pcix_cmd |= PCI_X_CMD_READ_2K;
7202 pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
7206 tw32_f(RDMAC_MODE, rdmac_mode);
7209 tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
7210 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7211 tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
7213 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
7215 SNDDATAC_MODE_ENABLE | SNDDATAC_MODE_CDELAY);
7217 tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
7219 tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
7220 tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
7221 tw32(RCVDBDI_MODE, RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ);
7222 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
7223 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
7224 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
7225 tw32(SNDBDI_MODE, SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE);
7226 tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
7228 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
7229 err = tg3_load_5701_a0_firmware_fix(tp);
7234 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
7235 err = tg3_load_tso_firmware(tp);
7240 tp->tx_mode = TX_MODE_ENABLE;
7241 tw32_f(MAC_TX_MODE, tp->tx_mode);
7244 tp->rx_mode = RX_MODE_ENABLE;
7245 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
7246 tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE;
7248 tw32_f(MAC_RX_MODE, tp->rx_mode);
7251 tw32(MAC_LED_CTRL, tp->led_ctrl);
7253 tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
7254 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
7255 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
7258 tw32_f(MAC_RX_MODE, tp->rx_mode);
7261 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
7262 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) &&
7263 !(tp->tg3_flags2 & TG3_FLG2_SERDES_PREEMPHASIS)) {
7264 /* Set drive transmission level to 1.2V */
7265 /* only if the signal pre-emphasis bit is not set */
7266 val = tr32(MAC_SERDES_CFG);
7269 tw32(MAC_SERDES_CFG, val);
7271 if (tp->pci_chip_rev_id == CHIPREV_ID_5703_A1)
7272 tw32(MAC_SERDES_CFG, 0x616000);
7275 /* Prevent chip from dropping frames when flow control
7278 tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, 2);
7280 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
7281 (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
7282 /* Use hardware link auto-negotiation */
7283 tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
7286 if ((tp->tg3_flags2 & TG3_FLG2_MII_SERDES) &&
7287 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
7290 tmp = tr32(SERDES_RX_CTRL);
7291 tw32(SERDES_RX_CTRL, tmp | SERDES_RX_SIG_DETECT);
7292 tp->grc_local_ctrl &= ~GRC_LCLCTRL_USE_EXT_SIG_DETECT;
7293 tp->grc_local_ctrl |= GRC_LCLCTRL_USE_SIG_DETECT;
7294 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
7297 if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
7298 if (tp->link_config.phy_is_low_power) {
7299 tp->link_config.phy_is_low_power = 0;
7300 tp->link_config.speed = tp->link_config.orig_speed;
7301 tp->link_config.duplex = tp->link_config.orig_duplex;
7302 tp->link_config.autoneg = tp->link_config.orig_autoneg;
7305 err = tg3_setup_phy(tp, 0);
7309 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
7310 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906) {
7313 /* Clear CRC stats. */
7314 if (!tg3_readphy(tp, MII_TG3_TEST1, &tmp)) {
7315 tg3_writephy(tp, MII_TG3_TEST1,
7316 tmp | MII_TG3_TEST1_CRC_EN);
7317 tg3_readphy(tp, 0x14, &tmp);
7322 __tg3_set_rx_mode(tp->dev);
7324 /* Initialize receive rules. */
7325 tw32(MAC_RCV_RULE_0, 0xc2000000 & RCV_RULE_DISABLE_MASK);
7326 tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
7327 tw32(MAC_RCV_RULE_1, 0x86000004 & RCV_RULE_DISABLE_MASK);
7328 tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
7330 if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
7331 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
7335 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
7339 tw32(MAC_RCV_RULE_15, 0); tw32(MAC_RCV_VALUE_15, 0);
7341 tw32(MAC_RCV_RULE_14, 0); tw32(MAC_RCV_VALUE_14, 0);
7343 tw32(MAC_RCV_RULE_13, 0); tw32(MAC_RCV_VALUE_13, 0);
7345 tw32(MAC_RCV_RULE_12, 0); tw32(MAC_RCV_VALUE_12, 0);
7347 tw32(MAC_RCV_RULE_11, 0); tw32(MAC_RCV_VALUE_11, 0);
7349 tw32(MAC_RCV_RULE_10, 0); tw32(MAC_RCV_VALUE_10, 0);
7351 tw32(MAC_RCV_RULE_9, 0); tw32(MAC_RCV_VALUE_9, 0);
7353 tw32(MAC_RCV_RULE_8, 0); tw32(MAC_RCV_VALUE_8, 0);
7355 tw32(MAC_RCV_RULE_7, 0); tw32(MAC_RCV_VALUE_7, 0);
7357 tw32(MAC_RCV_RULE_6, 0); tw32(MAC_RCV_VALUE_6, 0);
7359 tw32(MAC_RCV_RULE_5, 0); tw32(MAC_RCV_VALUE_5, 0);
7361 tw32(MAC_RCV_RULE_4, 0); tw32(MAC_RCV_VALUE_4, 0);
7363 /* tw32(MAC_RCV_RULE_3, 0); tw32(MAC_RCV_VALUE_3, 0); */
7365 /* tw32(MAC_RCV_RULE_2, 0); tw32(MAC_RCV_VALUE_2, 0); */
7373 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
7374 /* Write our heartbeat update interval to APE. */
7375 tg3_ape_write32(tp, TG3_APE_HOST_HEARTBEAT_INT_MS,
7376 APE_HOST_HEARTBEAT_INT_DISABLE);
7378 tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
7383 /* Called at device open time to get the chip ready for
7384 * packet processing. Invoked with tp->lock held.
7386 static int tg3_init_hw(struct tg3 *tp, int reset_phy)
7388 tg3_switch_clocks(tp);
7390 tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
7392 return tg3_reset_hw(tp, reset_phy);
7395 #define TG3_STAT_ADD32(PSTAT, REG) \
7396 do { u32 __val = tr32(REG); \
7397 (PSTAT)->low += __val; \
7398 if ((PSTAT)->low < __val) \
7399 (PSTAT)->high += 1; \
7402 static void tg3_periodic_fetch_stats(struct tg3 *tp)
7404 struct tg3_hw_stats *sp = tp->hw_stats;
7406 if (!netif_carrier_ok(tp->dev))
7409 TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
7410 TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
7411 TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
7412 TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
7413 TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
7414 TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
7415 TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
7416 TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
7417 TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
7418 TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
7419 TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
7420 TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
7421 TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
7423 TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
7424 TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
7425 TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
7426 TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
7427 TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
7428 TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
7429 TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
7430 TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
7431 TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
7432 TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
7433 TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
7434 TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
7435 TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
7436 TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
7438 TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT);
7439 TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT);
7440 TG3_STAT_ADD32(&sp->rx_errors, RCVLPC_IN_ERRORS_CNT);
7443 static void tg3_timer(unsigned long __opaque)
7445 struct tg3 *tp = (struct tg3 *) __opaque;
7450 spin_lock(&tp->lock);
7452 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
7453 /* All of this garbage is because when using non-tagged
7454 * IRQ status the mailbox/status_block protocol the chip
7455 * uses with the cpu is race prone.
7457 if (tp->hw_status->status & SD_STATUS_UPDATED) {
7458 tw32(GRC_LOCAL_CTRL,
7459 tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
7461 tw32(HOSTCC_MODE, tp->coalesce_mode |
7462 (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
7465 if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
7466 tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
7467 spin_unlock(&tp->lock);
7468 schedule_work(&tp->reset_task);
7473 /* This part only runs once per second. */
7474 if (!--tp->timer_counter) {
7475 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
7476 tg3_periodic_fetch_stats(tp);
7478 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
7482 mac_stat = tr32(MAC_STATUS);
7485 if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) {
7486 if (mac_stat & MAC_STATUS_MI_INTERRUPT)
7488 } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
7492 tg3_setup_phy(tp, 0);
7493 } else if (tp->tg3_flags & TG3_FLAG_POLL_SERDES) {
7494 u32 mac_stat = tr32(MAC_STATUS);
7497 if (netif_carrier_ok(tp->dev) &&
7498 (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
7501 if (! netif_carrier_ok(tp->dev) &&
7502 (mac_stat & (MAC_STATUS_PCS_SYNCED |
7503 MAC_STATUS_SIGNAL_DET))) {
7507 if (!tp->serdes_counter) {
7510 ~MAC_MODE_PORT_MODE_MASK));
7512 tw32_f(MAC_MODE, tp->mac_mode);
7515 tg3_setup_phy(tp, 0);
7517 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
7518 tg3_serdes_parallel_detect(tp);
7520 tp->timer_counter = tp->timer_multiplier;
7523 /* Heartbeat is only sent once every 2 seconds.
7525 * The heartbeat is to tell the ASF firmware that the host
7526 * driver is still alive. In the event that the OS crashes,
7527 * ASF needs to reset the hardware to free up the FIFO space
7528 * that may be filled with rx packets destined for the host.
7529 * If the FIFO is full, ASF will no longer function properly.
7531 * Unintended resets have been reported on real time kernels
7532 * where the timer doesn't run on time. Netpoll will also have
7535 * The new FWCMD_NICDRV_ALIVE3 command tells the ASF firmware
7536 * to check the ring condition when the heartbeat is expiring
7537 * before doing the reset. This will prevent most unintended
7540 if (!--tp->asf_counter) {
7541 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
7542 !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
7543 tg3_wait_for_event_ack(tp);
7545 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX,
7546 FWCMD_NICDRV_ALIVE3);
7547 tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
7548 /* 5 seconds timeout */
7549 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 5);
7551 tg3_generate_fw_event(tp);
7553 tp->asf_counter = tp->asf_multiplier;
7556 spin_unlock(&tp->lock);
7559 tp->timer.expires = jiffies + tp->timer_offset;
7560 add_timer(&tp->timer);
7563 static int tg3_request_irq(struct tg3 *tp)
7566 unsigned long flags;
7567 struct net_device *dev = tp->dev;
7569 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7571 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
7573 flags = IRQF_SAMPLE_RANDOM;
7576 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
7577 fn = tg3_interrupt_tagged;
7578 flags = IRQF_SHARED | IRQF_SAMPLE_RANDOM;
7580 return (request_irq(tp->pdev->irq, fn, flags, dev->name, dev));
7583 static int tg3_test_interrupt(struct tg3 *tp)
7585 struct net_device *dev = tp->dev;
7586 int err, i, intr_ok = 0;
7588 if (!netif_running(dev))
7591 tg3_disable_ints(tp);
7593 free_irq(tp->pdev->irq, dev);
7595 err = request_irq(tp->pdev->irq, tg3_test_isr,
7596 IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, dev);
7600 tp->hw_status->status &= ~SD_STATUS_UPDATED;
7601 tg3_enable_ints(tp);
7603 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
7606 for (i = 0; i < 5; i++) {
7607 u32 int_mbox, misc_host_ctrl;
7609 int_mbox = tr32_mailbox(MAILBOX_INTERRUPT_0 +
7611 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
7613 if ((int_mbox != 0) ||
7614 (misc_host_ctrl & MISC_HOST_CTRL_MASK_PCI_INT)) {
7622 tg3_disable_ints(tp);
7624 free_irq(tp->pdev->irq, dev);
7626 err = tg3_request_irq(tp);
7637 /* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
7638 * successfully restored
7640 static int tg3_test_msi(struct tg3 *tp)
7642 struct net_device *dev = tp->dev;
7646 if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSI))
7649 /* Turn off SERR reporting in case MSI terminates with Master
7652 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
7653 pci_write_config_word(tp->pdev, PCI_COMMAND,
7654 pci_cmd & ~PCI_COMMAND_SERR);
7656 err = tg3_test_interrupt(tp);
7658 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
7663 /* other failures */
7667 /* MSI test failed, go back to INTx mode */
7668 printk(KERN_WARNING PFX "%s: No interrupt was generated using MSI, "
7669 "switching to INTx mode. Please report this failure to "
7670 "the PCI maintainer and include system chipset information.\n",
7673 free_irq(tp->pdev->irq, dev);
7674 pci_disable_msi(tp->pdev);
7676 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7678 err = tg3_request_irq(tp);
7682 /* Need to reset the chip because the MSI cycle may have terminated
7683 * with Master Abort.
7685 tg3_full_lock(tp, 1);
7687 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7688 err = tg3_init_hw(tp, 1);
7690 tg3_full_unlock(tp);
7693 free_irq(tp->pdev->irq, dev);
7698 static int tg3_request_firmware(struct tg3 *tp)
7700 const __be32 *fw_data;
7702 if (request_firmware(&tp->fw, tp->fw_needed, &tp->pdev->dev)) {
7703 printk(KERN_ERR "%s: Failed to load firmware \"%s\"\n",
7704 tp->dev->name, tp->fw_needed);
7708 fw_data = (void *)tp->fw->data;
7710 /* Firmware blob starts with version numbers, followed by
7711 * start address and _full_ length including BSS sections
7712 * (which must be longer than the actual data, of course
7715 tp->fw_len = be32_to_cpu(fw_data[2]); /* includes bss */
7716 if (tp->fw_len < (tp->fw->size - 12)) {
7717 printk(KERN_ERR "%s: bogus length %d in \"%s\"\n",
7718 tp->dev->name, tp->fw_len, tp->fw_needed);
7719 release_firmware(tp->fw);
7724 /* We no longer need firmware; we have it. */
7725 tp->fw_needed = NULL;
7729 static int tg3_open(struct net_device *dev)
7731 struct tg3 *tp = netdev_priv(dev);
7734 if (tp->fw_needed) {
7735 err = tg3_request_firmware(tp);
7736 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
7740 printk(KERN_WARNING "%s: TSO capability disabled.\n",
7742 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
7743 } else if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
7744 printk(KERN_NOTICE "%s: TSO capability restored.\n",
7746 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
7750 netif_carrier_off(tp->dev);
7752 err = tg3_set_power_state(tp, PCI_D0);
7756 tg3_full_lock(tp, 0);
7758 tg3_disable_ints(tp);
7759 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
7761 tg3_full_unlock(tp);
7763 /* The placement of this call is tied
7764 * to the setup and use of Host TX descriptors.
7766 err = tg3_alloc_consistent(tp);
7770 if (tp->tg3_flags & TG3_FLAG_SUPPORT_MSI) {
7771 /* All MSI supporting chips should support tagged
7772 * status. Assert that this is the case.
7774 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
7775 printk(KERN_WARNING PFX "%s: MSI without TAGGED? "
7776 "Not using MSI.\n", tp->dev->name);
7777 } else if (pci_enable_msi(tp->pdev) == 0) {
7780 msi_mode = tr32(MSGINT_MODE);
7781 tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
7782 tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
7785 err = tg3_request_irq(tp);
7788 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7789 pci_disable_msi(tp->pdev);
7790 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7792 tg3_free_consistent(tp);
7796 napi_enable(&tp->napi);
7798 tg3_full_lock(tp, 0);
7800 err = tg3_init_hw(tp, 1);
7802 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7805 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
7806 tp->timer_offset = HZ;
7808 tp->timer_offset = HZ / 10;
7810 BUG_ON(tp->timer_offset > HZ);
7811 tp->timer_counter = tp->timer_multiplier =
7812 (HZ / tp->timer_offset);
7813 tp->asf_counter = tp->asf_multiplier =
7814 ((HZ / tp->timer_offset) * 2);
7816 init_timer(&tp->timer);
7817 tp->timer.expires = jiffies + tp->timer_offset;
7818 tp->timer.data = (unsigned long) tp;
7819 tp->timer.function = tg3_timer;
7822 tg3_full_unlock(tp);
7825 napi_disable(&tp->napi);
7826 free_irq(tp->pdev->irq, dev);
7827 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7828 pci_disable_msi(tp->pdev);
7829 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7831 tg3_free_consistent(tp);
7835 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7836 err = tg3_test_msi(tp);
7839 tg3_full_lock(tp, 0);
7841 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7842 pci_disable_msi(tp->pdev);
7843 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7845 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
7847 tg3_free_consistent(tp);
7849 tg3_full_unlock(tp);
7851 napi_disable(&tp->napi);
7856 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7857 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI) {
7858 u32 val = tr32(PCIE_TRANSACTION_CFG);
7860 tw32(PCIE_TRANSACTION_CFG,
7861 val | PCIE_TRANS_CFG_1SHOT_MSI);
7868 tg3_full_lock(tp, 0);
7870 add_timer(&tp->timer);
7871 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
7872 tg3_enable_ints(tp);
7874 tg3_full_unlock(tp);
7876 netif_start_queue(dev);
7882 /*static*/ void tg3_dump_state(struct tg3 *tp)
7884 u32 val32, val32_2, val32_3, val32_4, val32_5;
7888 pci_read_config_word(tp->pdev, PCI_STATUS, &val16);
7889 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE, &val32);
7890 printk("DEBUG: PCI status [%04x] TG3PCI state[%08x]\n",
7894 printk("DEBUG: MAC_MODE[%08x] MAC_STATUS[%08x]\n",
7895 tr32(MAC_MODE), tr32(MAC_STATUS));
7896 printk(" MAC_EVENT[%08x] MAC_LED_CTRL[%08x]\n",
7897 tr32(MAC_EVENT), tr32(MAC_LED_CTRL));
7898 printk("DEBUG: MAC_TX_MODE[%08x] MAC_TX_STATUS[%08x]\n",
7899 tr32(MAC_TX_MODE), tr32(MAC_TX_STATUS));
7900 printk(" MAC_RX_MODE[%08x] MAC_RX_STATUS[%08x]\n",
7901 tr32(MAC_RX_MODE), tr32(MAC_RX_STATUS));
7903 /* Send data initiator control block */
7904 printk("DEBUG: SNDDATAI_MODE[%08x] SNDDATAI_STATUS[%08x]\n",
7905 tr32(SNDDATAI_MODE), tr32(SNDDATAI_STATUS));
7906 printk(" SNDDATAI_STATSCTRL[%08x]\n",
7907 tr32(SNDDATAI_STATSCTRL));
7909 /* Send data completion control block */
7910 printk("DEBUG: SNDDATAC_MODE[%08x]\n", tr32(SNDDATAC_MODE));
7912 /* Send BD ring selector block */
7913 printk("DEBUG: SNDBDS_MODE[%08x] SNDBDS_STATUS[%08x]\n",
7914 tr32(SNDBDS_MODE), tr32(SNDBDS_STATUS));
7916 /* Send BD initiator control block */
7917 printk("DEBUG: SNDBDI_MODE[%08x] SNDBDI_STATUS[%08x]\n",
7918 tr32(SNDBDI_MODE), tr32(SNDBDI_STATUS));
7920 /* Send BD completion control block */
7921 printk("DEBUG: SNDBDC_MODE[%08x]\n", tr32(SNDBDC_MODE));
7923 /* Receive list placement control block */
7924 printk("DEBUG: RCVLPC_MODE[%08x] RCVLPC_STATUS[%08x]\n",
7925 tr32(RCVLPC_MODE), tr32(RCVLPC_STATUS));
7926 printk(" RCVLPC_STATSCTRL[%08x]\n",
7927 tr32(RCVLPC_STATSCTRL));
7929 /* Receive data and receive BD initiator control block */
7930 printk("DEBUG: RCVDBDI_MODE[%08x] RCVDBDI_STATUS[%08x]\n",
7931 tr32(RCVDBDI_MODE), tr32(RCVDBDI_STATUS));
7933 /* Receive data completion control block */
7934 printk("DEBUG: RCVDCC_MODE[%08x]\n",
7937 /* Receive BD initiator control block */
7938 printk("DEBUG: RCVBDI_MODE[%08x] RCVBDI_STATUS[%08x]\n",
7939 tr32(RCVBDI_MODE), tr32(RCVBDI_STATUS));
7941 /* Receive BD completion control block */
7942 printk("DEBUG: RCVCC_MODE[%08x] RCVCC_STATUS[%08x]\n",
7943 tr32(RCVCC_MODE), tr32(RCVCC_STATUS));
7945 /* Receive list selector control block */
7946 printk("DEBUG: RCVLSC_MODE[%08x] RCVLSC_STATUS[%08x]\n",
7947 tr32(RCVLSC_MODE), tr32(RCVLSC_STATUS));
7949 /* Mbuf cluster free block */
7950 printk("DEBUG: MBFREE_MODE[%08x] MBFREE_STATUS[%08x]\n",
7951 tr32(MBFREE_MODE), tr32(MBFREE_STATUS));
7953 /* Host coalescing control block */
7954 printk("DEBUG: HOSTCC_MODE[%08x] HOSTCC_STATUS[%08x]\n",
7955 tr32(HOSTCC_MODE), tr32(HOSTCC_STATUS));
7956 printk("DEBUG: HOSTCC_STATS_BLK_HOST_ADDR[%08x%08x]\n",
7957 tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
7958 tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
7959 printk("DEBUG: HOSTCC_STATUS_BLK_HOST_ADDR[%08x%08x]\n",
7960 tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
7961 tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
7962 printk("DEBUG: HOSTCC_STATS_BLK_NIC_ADDR[%08x]\n",
7963 tr32(HOSTCC_STATS_BLK_NIC_ADDR));
7964 printk("DEBUG: HOSTCC_STATUS_BLK_NIC_ADDR[%08x]\n",
7965 tr32(HOSTCC_STATUS_BLK_NIC_ADDR));
7967 /* Memory arbiter control block */
7968 printk("DEBUG: MEMARB_MODE[%08x] MEMARB_STATUS[%08x]\n",
7969 tr32(MEMARB_MODE), tr32(MEMARB_STATUS));
7971 /* Buffer manager control block */
7972 printk("DEBUG: BUFMGR_MODE[%08x] BUFMGR_STATUS[%08x]\n",
7973 tr32(BUFMGR_MODE), tr32(BUFMGR_STATUS));
7974 printk("DEBUG: BUFMGR_MB_POOL_ADDR[%08x] BUFMGR_MB_POOL_SIZE[%08x]\n",
7975 tr32(BUFMGR_MB_POOL_ADDR), tr32(BUFMGR_MB_POOL_SIZE));
7976 printk("DEBUG: BUFMGR_DMA_DESC_POOL_ADDR[%08x] "
7977 "BUFMGR_DMA_DESC_POOL_SIZE[%08x]\n",
7978 tr32(BUFMGR_DMA_DESC_POOL_ADDR),
7979 tr32(BUFMGR_DMA_DESC_POOL_SIZE));
7981 /* Read DMA control block */
7982 printk("DEBUG: RDMAC_MODE[%08x] RDMAC_STATUS[%08x]\n",
7983 tr32(RDMAC_MODE), tr32(RDMAC_STATUS));
7985 /* Write DMA control block */
7986 printk("DEBUG: WDMAC_MODE[%08x] WDMAC_STATUS[%08x]\n",
7987 tr32(WDMAC_MODE), tr32(WDMAC_STATUS));
7989 /* DMA completion block */
7990 printk("DEBUG: DMAC_MODE[%08x]\n",
7994 printk("DEBUG: GRC_MODE[%08x] GRC_MISC_CFG[%08x]\n",
7995 tr32(GRC_MODE), tr32(GRC_MISC_CFG));
7996 printk("DEBUG: GRC_LOCAL_CTRL[%08x]\n",
7997 tr32(GRC_LOCAL_CTRL));
8000 printk("DEBUG: RCVDBDI_JUMBO_BD[%08x%08x:%08x:%08x]\n",
8001 tr32(RCVDBDI_JUMBO_BD + 0x0),
8002 tr32(RCVDBDI_JUMBO_BD + 0x4),
8003 tr32(RCVDBDI_JUMBO_BD + 0x8),
8004 tr32(RCVDBDI_JUMBO_BD + 0xc));
8005 printk("DEBUG: RCVDBDI_STD_BD[%08x%08x:%08x:%08x]\n",
8006 tr32(RCVDBDI_STD_BD + 0x0),
8007 tr32(RCVDBDI_STD_BD + 0x4),
8008 tr32(RCVDBDI_STD_BD + 0x8),
8009 tr32(RCVDBDI_STD_BD + 0xc));
8010 printk("DEBUG: RCVDBDI_MINI_BD[%08x%08x:%08x:%08x]\n",
8011 tr32(RCVDBDI_MINI_BD + 0x0),
8012 tr32(RCVDBDI_MINI_BD + 0x4),
8013 tr32(RCVDBDI_MINI_BD + 0x8),
8014 tr32(RCVDBDI_MINI_BD + 0xc));
8016 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x0, &val32);
8017 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x4, &val32_2);
8018 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x8, &val32_3);
8019 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0xc, &val32_4);
8020 printk("DEBUG: SRAM_SEND_RCB_0[%08x%08x:%08x:%08x]\n",
8021 val32, val32_2, val32_3, val32_4);
8023 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x0, &val32);
8024 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x4, &val32_2);
8025 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x8, &val32_3);
8026 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0xc, &val32_4);
8027 printk("DEBUG: SRAM_RCV_RET_RCB_0[%08x%08x:%08x:%08x]\n",
8028 val32, val32_2, val32_3, val32_4);
8030 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x0, &val32);
8031 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x4, &val32_2);
8032 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x8, &val32_3);
8033 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0xc, &val32_4);
8034 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x10, &val32_5);
8035 printk("DEBUG: SRAM_STATUS_BLK[%08x:%08x:%08x:%08x:%08x]\n",
8036 val32, val32_2, val32_3, val32_4, val32_5);
8038 /* SW status block */
8039 printk("DEBUG: Host status block [%08x:%08x:(%04x:%04x:%04x):(%04x:%04x)]\n",
8040 tp->hw_status->status,
8041 tp->hw_status->status_tag,
8042 tp->hw_status->rx_jumbo_consumer,
8043 tp->hw_status->rx_consumer,
8044 tp->hw_status->rx_mini_consumer,
8045 tp->hw_status->idx[0].rx_producer,
8046 tp->hw_status->idx[0].tx_consumer);
8048 /* SW statistics block */
8049 printk("DEBUG: Host statistics block [%08x:%08x:%08x:%08x]\n",
8050 ((u32 *)tp->hw_stats)[0],
8051 ((u32 *)tp->hw_stats)[1],
8052 ((u32 *)tp->hw_stats)[2],
8053 ((u32 *)tp->hw_stats)[3]);
8056 printk("DEBUG: SNDHOST_PROD[%08x%08x] SNDNIC_PROD[%08x%08x]\n",
8057 tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x0),
8058 tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x4),
8059 tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x0),
8060 tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x4));
8062 /* NIC side send descriptors. */
8063 for (i = 0; i < 6; i++) {
8066 txd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_TX_BUFFER_DESC
8067 + (i * sizeof(struct tg3_tx_buffer_desc));
8068 printk("DEBUG: NIC TXD(%d)[%08x:%08x:%08x:%08x]\n",
8070 readl(txd + 0x0), readl(txd + 0x4),
8071 readl(txd + 0x8), readl(txd + 0xc));
8074 /* NIC side RX descriptors. */
8075 for (i = 0; i < 6; i++) {
8078 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_BUFFER_DESC
8079 + (i * sizeof(struct tg3_rx_buffer_desc));
8080 printk("DEBUG: NIC RXD_STD(%d)[0][%08x:%08x:%08x:%08x]\n",
8082 readl(rxd + 0x0), readl(rxd + 0x4),
8083 readl(rxd + 0x8), readl(rxd + 0xc));
8084 rxd += (4 * sizeof(u32));
8085 printk("DEBUG: NIC RXD_STD(%d)[1][%08x:%08x:%08x:%08x]\n",
8087 readl(rxd + 0x0), readl(rxd + 0x4),
8088 readl(rxd + 0x8), readl(rxd + 0xc));
8091 for (i = 0; i < 6; i++) {
8094 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_JUMBO_BUFFER_DESC
8095 + (i * sizeof(struct tg3_rx_buffer_desc));
8096 printk("DEBUG: NIC RXD_JUMBO(%d)[0][%08x:%08x:%08x:%08x]\n",
8098 readl(rxd + 0x0), readl(rxd + 0x4),
8099 readl(rxd + 0x8), readl(rxd + 0xc));
8100 rxd += (4 * sizeof(u32));
8101 printk("DEBUG: NIC RXD_JUMBO(%d)[1][%08x:%08x:%08x:%08x]\n",
8103 readl(rxd + 0x0), readl(rxd + 0x4),
8104 readl(rxd + 0x8), readl(rxd + 0xc));
8109 static struct net_device_stats *tg3_get_stats(struct net_device *);
8110 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
8112 static int tg3_close(struct net_device *dev)
8114 struct tg3 *tp = netdev_priv(dev);
8116 napi_disable(&tp->napi);
8117 cancel_work_sync(&tp->reset_task);
8119 netif_stop_queue(dev);
8121 del_timer_sync(&tp->timer);
8123 tg3_full_lock(tp, 1);
8128 tg3_disable_ints(tp);
8130 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8132 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
8134 tg3_full_unlock(tp);
8136 free_irq(tp->pdev->irq, dev);
8137 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
8138 pci_disable_msi(tp->pdev);
8139 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
8142 memcpy(&tp->net_stats_prev, tg3_get_stats(tp->dev),
8143 sizeof(tp->net_stats_prev));
8144 memcpy(&tp->estats_prev, tg3_get_estats(tp),
8145 sizeof(tp->estats_prev));
8147 tg3_free_consistent(tp);
8149 tg3_set_power_state(tp, PCI_D3hot);
8151 netif_carrier_off(tp->dev);
8156 static inline unsigned long get_stat64(tg3_stat64_t *val)
8160 #if (BITS_PER_LONG == 32)
8163 ret = ((u64)val->high << 32) | ((u64)val->low);
8168 static inline u64 get_estat64(tg3_stat64_t *val)
8170 return ((u64)val->high << 32) | ((u64)val->low);
8173 static unsigned long calc_crc_errors(struct tg3 *tp)
8175 struct tg3_hw_stats *hw_stats = tp->hw_stats;
8177 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
8178 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
8179 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
8182 spin_lock_bh(&tp->lock);
8183 if (!tg3_readphy(tp, MII_TG3_TEST1, &val)) {
8184 tg3_writephy(tp, MII_TG3_TEST1,
8185 val | MII_TG3_TEST1_CRC_EN);
8186 tg3_readphy(tp, 0x14, &val);
8189 spin_unlock_bh(&tp->lock);
8191 tp->phy_crc_errors += val;
8193 return tp->phy_crc_errors;
8196 return get_stat64(&hw_stats->rx_fcs_errors);
8199 #define ESTAT_ADD(member) \
8200 estats->member = old_estats->member + \
8201 get_estat64(&hw_stats->member)
8203 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
8205 struct tg3_ethtool_stats *estats = &tp->estats;
8206 struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
8207 struct tg3_hw_stats *hw_stats = tp->hw_stats;
8212 ESTAT_ADD(rx_octets);
8213 ESTAT_ADD(rx_fragments);
8214 ESTAT_ADD(rx_ucast_packets);
8215 ESTAT_ADD(rx_mcast_packets);
8216 ESTAT_ADD(rx_bcast_packets);
8217 ESTAT_ADD(rx_fcs_errors);
8218 ESTAT_ADD(rx_align_errors);
8219 ESTAT_ADD(rx_xon_pause_rcvd);
8220 ESTAT_ADD(rx_xoff_pause_rcvd);
8221 ESTAT_ADD(rx_mac_ctrl_rcvd);
8222 ESTAT_ADD(rx_xoff_entered);
8223 ESTAT_ADD(rx_frame_too_long_errors);
8224 ESTAT_ADD(rx_jabbers);
8225 ESTAT_ADD(rx_undersize_packets);
8226 ESTAT_ADD(rx_in_length_errors);
8227 ESTAT_ADD(rx_out_length_errors);
8228 ESTAT_ADD(rx_64_or_less_octet_packets);
8229 ESTAT_ADD(rx_65_to_127_octet_packets);
8230 ESTAT_ADD(rx_128_to_255_octet_packets);
8231 ESTAT_ADD(rx_256_to_511_octet_packets);
8232 ESTAT_ADD(rx_512_to_1023_octet_packets);
8233 ESTAT_ADD(rx_1024_to_1522_octet_packets);
8234 ESTAT_ADD(rx_1523_to_2047_octet_packets);
8235 ESTAT_ADD(rx_2048_to_4095_octet_packets);
8236 ESTAT_ADD(rx_4096_to_8191_octet_packets);
8237 ESTAT_ADD(rx_8192_to_9022_octet_packets);
8239 ESTAT_ADD(tx_octets);
8240 ESTAT_ADD(tx_collisions);
8241 ESTAT_ADD(tx_xon_sent);
8242 ESTAT_ADD(tx_xoff_sent);
8243 ESTAT_ADD(tx_flow_control);
8244 ESTAT_ADD(tx_mac_errors);
8245 ESTAT_ADD(tx_single_collisions);
8246 ESTAT_ADD(tx_mult_collisions);
8247 ESTAT_ADD(tx_deferred);
8248 ESTAT_ADD(tx_excessive_collisions);
8249 ESTAT_ADD(tx_late_collisions);
8250 ESTAT_ADD(tx_collide_2times);
8251 ESTAT_ADD(tx_collide_3times);
8252 ESTAT_ADD(tx_collide_4times);
8253 ESTAT_ADD(tx_collide_5times);
8254 ESTAT_ADD(tx_collide_6times);
8255 ESTAT_ADD(tx_collide_7times);
8256 ESTAT_ADD(tx_collide_8times);
8257 ESTAT_ADD(tx_collide_9times);
8258 ESTAT_ADD(tx_collide_10times);
8259 ESTAT_ADD(tx_collide_11times);
8260 ESTAT_ADD(tx_collide_12times);
8261 ESTAT_ADD(tx_collide_13times);
8262 ESTAT_ADD(tx_collide_14times);
8263 ESTAT_ADD(tx_collide_15times);
8264 ESTAT_ADD(tx_ucast_packets);
8265 ESTAT_ADD(tx_mcast_packets);
8266 ESTAT_ADD(tx_bcast_packets);
8267 ESTAT_ADD(tx_carrier_sense_errors);
8268 ESTAT_ADD(tx_discards);
8269 ESTAT_ADD(tx_errors);
8271 ESTAT_ADD(dma_writeq_full);
8272 ESTAT_ADD(dma_write_prioq_full);
8273 ESTAT_ADD(rxbds_empty);
8274 ESTAT_ADD(rx_discards);
8275 ESTAT_ADD(rx_errors);
8276 ESTAT_ADD(rx_threshold_hit);
8278 ESTAT_ADD(dma_readq_full);
8279 ESTAT_ADD(dma_read_prioq_full);
8280 ESTAT_ADD(tx_comp_queue_full);
8282 ESTAT_ADD(ring_set_send_prod_index);
8283 ESTAT_ADD(ring_status_update);
8284 ESTAT_ADD(nic_irqs);
8285 ESTAT_ADD(nic_avoided_irqs);
8286 ESTAT_ADD(nic_tx_threshold_hit);
8291 static struct net_device_stats *tg3_get_stats(struct net_device *dev)
8293 struct tg3 *tp = netdev_priv(dev);
8294 struct net_device_stats *stats = &tp->net_stats;
8295 struct net_device_stats *old_stats = &tp->net_stats_prev;
8296 struct tg3_hw_stats *hw_stats = tp->hw_stats;
8301 stats->rx_packets = old_stats->rx_packets +
8302 get_stat64(&hw_stats->rx_ucast_packets) +
8303 get_stat64(&hw_stats->rx_mcast_packets) +
8304 get_stat64(&hw_stats->rx_bcast_packets);
8306 stats->tx_packets = old_stats->tx_packets +
8307 get_stat64(&hw_stats->tx_ucast_packets) +
8308 get_stat64(&hw_stats->tx_mcast_packets) +
8309 get_stat64(&hw_stats->tx_bcast_packets);
8311 stats->rx_bytes = old_stats->rx_bytes +
8312 get_stat64(&hw_stats->rx_octets);
8313 stats->tx_bytes = old_stats->tx_bytes +
8314 get_stat64(&hw_stats->tx_octets);
8316 stats->rx_errors = old_stats->rx_errors +
8317 get_stat64(&hw_stats->rx_errors);
8318 stats->tx_errors = old_stats->tx_errors +
8319 get_stat64(&hw_stats->tx_errors) +
8320 get_stat64(&hw_stats->tx_mac_errors) +
8321 get_stat64(&hw_stats->tx_carrier_sense_errors) +
8322 get_stat64(&hw_stats->tx_discards);
8324 stats->multicast = old_stats->multicast +
8325 get_stat64(&hw_stats->rx_mcast_packets);
8326 stats->collisions = old_stats->collisions +
8327 get_stat64(&hw_stats->tx_collisions);
8329 stats->rx_length_errors = old_stats->rx_length_errors +
8330 get_stat64(&hw_stats->rx_frame_too_long_errors) +
8331 get_stat64(&hw_stats->rx_undersize_packets);
8333 stats->rx_over_errors = old_stats->rx_over_errors +
8334 get_stat64(&hw_stats->rxbds_empty);
8335 stats->rx_frame_errors = old_stats->rx_frame_errors +
8336 get_stat64(&hw_stats->rx_align_errors);
8337 stats->tx_aborted_errors = old_stats->tx_aborted_errors +
8338 get_stat64(&hw_stats->tx_discards);
8339 stats->tx_carrier_errors = old_stats->tx_carrier_errors +
8340 get_stat64(&hw_stats->tx_carrier_sense_errors);
8342 stats->rx_crc_errors = old_stats->rx_crc_errors +
8343 calc_crc_errors(tp);
8345 stats->rx_missed_errors = old_stats->rx_missed_errors +
8346 get_stat64(&hw_stats->rx_discards);
8351 static inline u32 calc_crc(unsigned char *buf, int len)
8359 for (j = 0; j < len; j++) {
8362 for (k = 0; k < 8; k++) {
8376 static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
8378 /* accept or reject all multicast frames */
8379 tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
8380 tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
8381 tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
8382 tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
8385 static void __tg3_set_rx_mode(struct net_device *dev)
8387 struct tg3 *tp = netdev_priv(dev);
8390 rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
8391 RX_MODE_KEEP_VLAN_TAG);
8393 /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
8396 #if TG3_VLAN_TAG_USED
8398 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
8399 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
8401 /* By definition, VLAN is disabled always in this
8404 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
8405 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
8408 if (dev->flags & IFF_PROMISC) {
8409 /* Promiscuous mode. */
8410 rx_mode |= RX_MODE_PROMISC;
8411 } else if (dev->flags & IFF_ALLMULTI) {
8412 /* Accept all multicast. */
8413 tg3_set_multi (tp, 1);
8414 } else if (dev->mc_count < 1) {
8415 /* Reject all multicast. */
8416 tg3_set_multi (tp, 0);
8418 /* Accept one or more multicast(s). */
8419 struct dev_mc_list *mclist;
8421 u32 mc_filter[4] = { 0, };
8426 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
8427 i++, mclist = mclist->next) {
8429 crc = calc_crc (mclist->dmi_addr, ETH_ALEN);
8431 regidx = (bit & 0x60) >> 5;
8433 mc_filter[regidx] |= (1 << bit);
8436 tw32(MAC_HASH_REG_0, mc_filter[0]);
8437 tw32(MAC_HASH_REG_1, mc_filter[1]);
8438 tw32(MAC_HASH_REG_2, mc_filter[2]);
8439 tw32(MAC_HASH_REG_3, mc_filter[3]);
8442 if (rx_mode != tp->rx_mode) {
8443 tp->rx_mode = rx_mode;
8444 tw32_f(MAC_RX_MODE, rx_mode);
8449 static void tg3_set_rx_mode(struct net_device *dev)
8451 struct tg3 *tp = netdev_priv(dev);
8453 if (!netif_running(dev))
8456 tg3_full_lock(tp, 0);
8457 __tg3_set_rx_mode(dev);
8458 tg3_full_unlock(tp);
8461 #define TG3_REGDUMP_LEN (32 * 1024)
8463 static int tg3_get_regs_len(struct net_device *dev)
8465 return TG3_REGDUMP_LEN;
8468 static void tg3_get_regs(struct net_device *dev,
8469 struct ethtool_regs *regs, void *_p)
8472 struct tg3 *tp = netdev_priv(dev);
8478 memset(p, 0, TG3_REGDUMP_LEN);
8480 if (tp->link_config.phy_is_low_power)
8483 tg3_full_lock(tp, 0);
8485 #define __GET_REG32(reg) (*(p)++ = tr32(reg))
8486 #define GET_REG32_LOOP(base,len) \
8487 do { p = (u32 *)(orig_p + (base)); \
8488 for (i = 0; i < len; i += 4) \
8489 __GET_REG32((base) + i); \
8491 #define GET_REG32_1(reg) \
8492 do { p = (u32 *)(orig_p + (reg)); \
8493 __GET_REG32((reg)); \
8496 GET_REG32_LOOP(TG3PCI_VENDOR, 0xb0);
8497 GET_REG32_LOOP(MAILBOX_INTERRUPT_0, 0x200);
8498 GET_REG32_LOOP(MAC_MODE, 0x4f0);
8499 GET_REG32_LOOP(SNDDATAI_MODE, 0xe0);
8500 GET_REG32_1(SNDDATAC_MODE);
8501 GET_REG32_LOOP(SNDBDS_MODE, 0x80);
8502 GET_REG32_LOOP(SNDBDI_MODE, 0x48);
8503 GET_REG32_1(SNDBDC_MODE);
8504 GET_REG32_LOOP(RCVLPC_MODE, 0x20);
8505 GET_REG32_LOOP(RCVLPC_SELLST_BASE, 0x15c);
8506 GET_REG32_LOOP(RCVDBDI_MODE, 0x0c);
8507 GET_REG32_LOOP(RCVDBDI_JUMBO_BD, 0x3c);
8508 GET_REG32_LOOP(RCVDBDI_BD_PROD_IDX_0, 0x44);
8509 GET_REG32_1(RCVDCC_MODE);
8510 GET_REG32_LOOP(RCVBDI_MODE, 0x20);
8511 GET_REG32_LOOP(RCVCC_MODE, 0x14);
8512 GET_REG32_LOOP(RCVLSC_MODE, 0x08);
8513 GET_REG32_1(MBFREE_MODE);
8514 GET_REG32_LOOP(HOSTCC_MODE, 0x100);
8515 GET_REG32_LOOP(MEMARB_MODE, 0x10);
8516 GET_REG32_LOOP(BUFMGR_MODE, 0x58);
8517 GET_REG32_LOOP(RDMAC_MODE, 0x08);
8518 GET_REG32_LOOP(WDMAC_MODE, 0x08);
8519 GET_REG32_1(RX_CPU_MODE);
8520 GET_REG32_1(RX_CPU_STATE);
8521 GET_REG32_1(RX_CPU_PGMCTR);
8522 GET_REG32_1(RX_CPU_HWBKPT);
8523 GET_REG32_1(TX_CPU_MODE);
8524 GET_REG32_1(TX_CPU_STATE);
8525 GET_REG32_1(TX_CPU_PGMCTR);
8526 GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110);
8527 GET_REG32_LOOP(FTQ_RESET, 0x120);
8528 GET_REG32_LOOP(MSGINT_MODE, 0x0c);
8529 GET_REG32_1(DMAC_MODE);
8530 GET_REG32_LOOP(GRC_MODE, 0x4c);
8531 if (tp->tg3_flags & TG3_FLAG_NVRAM)
8532 GET_REG32_LOOP(NVRAM_CMD, 0x24);
8535 #undef GET_REG32_LOOP
8538 tg3_full_unlock(tp);
8541 static int tg3_get_eeprom_len(struct net_device *dev)
8543 struct tg3 *tp = netdev_priv(dev);
8545 return tp->nvram_size;
8548 static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
8550 struct tg3 *tp = netdev_priv(dev);
8553 u32 i, offset, len, b_offset, b_count;
8556 if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM)
8559 if (tp->link_config.phy_is_low_power)
8562 offset = eeprom->offset;
8566 eeprom->magic = TG3_EEPROM_MAGIC;
8569 /* adjustments to start on required 4 byte boundary */
8570 b_offset = offset & 3;
8571 b_count = 4 - b_offset;
8572 if (b_count > len) {
8573 /* i.e. offset=1 len=2 */
8576 ret = tg3_nvram_read_be32(tp, offset-b_offset, &val);
8579 memcpy(data, ((char*)&val) + b_offset, b_count);
8582 eeprom->len += b_count;
8585 /* read bytes upto the last 4 byte boundary */
8586 pd = &data[eeprom->len];
8587 for (i = 0; i < (len - (len & 3)); i += 4) {
8588 ret = tg3_nvram_read_be32(tp, offset + i, &val);
8593 memcpy(pd + i, &val, 4);
8598 /* read last bytes not ending on 4 byte boundary */
8599 pd = &data[eeprom->len];
8601 b_offset = offset + len - b_count;
8602 ret = tg3_nvram_read_be32(tp, b_offset, &val);
8605 memcpy(pd, &val, b_count);
8606 eeprom->len += b_count;
8611 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf);
8613 static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
8615 struct tg3 *tp = netdev_priv(dev);
8617 u32 offset, len, b_offset, odd_len;
8621 if (tp->link_config.phy_is_low_power)
8624 if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
8625 eeprom->magic != TG3_EEPROM_MAGIC)
8628 offset = eeprom->offset;
8631 if ((b_offset = (offset & 3))) {
8632 /* adjustments to start on required 4 byte boundary */
8633 ret = tg3_nvram_read_be32(tp, offset-b_offset, &start);
8644 /* adjustments to end on required 4 byte boundary */
8646 len = (len + 3) & ~3;
8647 ret = tg3_nvram_read_be32(tp, offset+len-4, &end);
8653 if (b_offset || odd_len) {
8654 buf = kmalloc(len, GFP_KERNEL);
8658 memcpy(buf, &start, 4);
8660 memcpy(buf+len-4, &end, 4);
8661 memcpy(buf + b_offset, data, eeprom->len);
8664 ret = tg3_nvram_write_block(tp, offset, len, buf);
8672 static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
8674 struct tg3 *tp = netdev_priv(dev);
8676 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
8677 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
8679 return phy_ethtool_gset(tp->mdio_bus->phy_map[PHY_ADDR], cmd);
8682 cmd->supported = (SUPPORTED_Autoneg);
8684 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
8685 cmd->supported |= (SUPPORTED_1000baseT_Half |
8686 SUPPORTED_1000baseT_Full);
8688 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
8689 cmd->supported |= (SUPPORTED_100baseT_Half |
8690 SUPPORTED_100baseT_Full |
8691 SUPPORTED_10baseT_Half |
8692 SUPPORTED_10baseT_Full |
8694 cmd->port = PORT_TP;
8696 cmd->supported |= SUPPORTED_FIBRE;
8697 cmd->port = PORT_FIBRE;
8700 cmd->advertising = tp->link_config.advertising;
8701 if (netif_running(dev)) {
8702 cmd->speed = tp->link_config.active_speed;
8703 cmd->duplex = tp->link_config.active_duplex;
8705 cmd->phy_address = PHY_ADDR;
8706 cmd->transceiver = XCVR_INTERNAL;
8707 cmd->autoneg = tp->link_config.autoneg;
8713 static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
8715 struct tg3 *tp = netdev_priv(dev);
8717 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
8718 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
8720 return phy_ethtool_sset(tp->mdio_bus->phy_map[PHY_ADDR], cmd);
8723 if (cmd->autoneg != AUTONEG_ENABLE &&
8724 cmd->autoneg != AUTONEG_DISABLE)
8727 if (cmd->autoneg == AUTONEG_DISABLE &&
8728 cmd->duplex != DUPLEX_FULL &&
8729 cmd->duplex != DUPLEX_HALF)
8732 if (cmd->autoneg == AUTONEG_ENABLE) {
8733 u32 mask = ADVERTISED_Autoneg |
8735 ADVERTISED_Asym_Pause;
8737 if (!(tp->tg3_flags2 & TG3_FLAG_10_100_ONLY))
8738 mask |= ADVERTISED_1000baseT_Half |
8739 ADVERTISED_1000baseT_Full;
8741 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
8742 mask |= ADVERTISED_100baseT_Half |
8743 ADVERTISED_100baseT_Full |
8744 ADVERTISED_10baseT_Half |
8745 ADVERTISED_10baseT_Full |
8748 mask |= ADVERTISED_FIBRE;
8750 if (cmd->advertising & ~mask)
8753 mask &= (ADVERTISED_1000baseT_Half |
8754 ADVERTISED_1000baseT_Full |
8755 ADVERTISED_100baseT_Half |
8756 ADVERTISED_100baseT_Full |
8757 ADVERTISED_10baseT_Half |
8758 ADVERTISED_10baseT_Full);
8760 cmd->advertising &= mask;
8762 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) {
8763 if (cmd->speed != SPEED_1000)
8766 if (cmd->duplex != DUPLEX_FULL)
8769 if (cmd->speed != SPEED_100 &&
8770 cmd->speed != SPEED_10)
8775 tg3_full_lock(tp, 0);
8777 tp->link_config.autoneg = cmd->autoneg;
8778 if (cmd->autoneg == AUTONEG_ENABLE) {
8779 tp->link_config.advertising = (cmd->advertising |
8780 ADVERTISED_Autoneg);
8781 tp->link_config.speed = SPEED_INVALID;
8782 tp->link_config.duplex = DUPLEX_INVALID;
8784 tp->link_config.advertising = 0;
8785 tp->link_config.speed = cmd->speed;
8786 tp->link_config.duplex = cmd->duplex;
8789 tp->link_config.orig_speed = tp->link_config.speed;
8790 tp->link_config.orig_duplex = tp->link_config.duplex;
8791 tp->link_config.orig_autoneg = tp->link_config.autoneg;
8793 if (netif_running(dev))
8794 tg3_setup_phy(tp, 1);
8796 tg3_full_unlock(tp);
8801 static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
8803 struct tg3 *tp = netdev_priv(dev);
8805 strcpy(info->driver, DRV_MODULE_NAME);
8806 strcpy(info->version, DRV_MODULE_VERSION);
8807 strcpy(info->fw_version, tp->fw_ver);
8808 strcpy(info->bus_info, pci_name(tp->pdev));
8811 static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
8813 struct tg3 *tp = netdev_priv(dev);
8815 if ((tp->tg3_flags & TG3_FLAG_WOL_CAP) &&
8816 device_can_wakeup(&tp->pdev->dev))
8817 wol->supported = WAKE_MAGIC;
8821 if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
8822 device_can_wakeup(&tp->pdev->dev))
8823 wol->wolopts = WAKE_MAGIC;
8824 memset(&wol->sopass, 0, sizeof(wol->sopass));
8827 static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
8829 struct tg3 *tp = netdev_priv(dev);
8830 struct device *dp = &tp->pdev->dev;
8832 if (wol->wolopts & ~WAKE_MAGIC)
8834 if ((wol->wolopts & WAKE_MAGIC) &&
8835 !((tp->tg3_flags & TG3_FLAG_WOL_CAP) && device_can_wakeup(dp)))
8838 spin_lock_bh(&tp->lock);
8839 if (wol->wolopts & WAKE_MAGIC) {
8840 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
8841 device_set_wakeup_enable(dp, true);
8843 tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
8844 device_set_wakeup_enable(dp, false);
8846 spin_unlock_bh(&tp->lock);
8851 static u32 tg3_get_msglevel(struct net_device *dev)
8853 struct tg3 *tp = netdev_priv(dev);
8854 return tp->msg_enable;
8857 static void tg3_set_msglevel(struct net_device *dev, u32 value)
8859 struct tg3 *tp = netdev_priv(dev);
8860 tp->msg_enable = value;
8863 static int tg3_set_tso(struct net_device *dev, u32 value)
8865 struct tg3 *tp = netdev_priv(dev);
8867 if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
8872 if ((dev->features & NETIF_F_IPV6_CSUM) &&
8873 (tp->tg3_flags2 & TG3_FLG2_HW_TSO_2)) {
8875 dev->features |= NETIF_F_TSO6;
8876 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
8877 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
8878 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
8879 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
8880 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
8881 dev->features |= NETIF_F_TSO_ECN;
8883 dev->features &= ~(NETIF_F_TSO6 | NETIF_F_TSO_ECN);
8885 return ethtool_op_set_tso(dev, value);
8888 static int tg3_nway_reset(struct net_device *dev)
8890 struct tg3 *tp = netdev_priv(dev);
8893 if (!netif_running(dev))
8896 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
8899 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
8900 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
8902 r = phy_start_aneg(tp->mdio_bus->phy_map[PHY_ADDR]);
8906 spin_lock_bh(&tp->lock);
8908 tg3_readphy(tp, MII_BMCR, &bmcr);
8909 if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
8910 ((bmcr & BMCR_ANENABLE) ||
8911 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT))) {
8912 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART |
8916 spin_unlock_bh(&tp->lock);
8922 static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
8924 struct tg3 *tp = netdev_priv(dev);
8926 ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
8927 ering->rx_mini_max_pending = 0;
8928 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
8929 ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
8931 ering->rx_jumbo_max_pending = 0;
8933 ering->tx_max_pending = TG3_TX_RING_SIZE - 1;
8935 ering->rx_pending = tp->rx_pending;
8936 ering->rx_mini_pending = 0;
8937 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
8938 ering->rx_jumbo_pending = tp->rx_jumbo_pending;
8940 ering->rx_jumbo_pending = 0;
8942 ering->tx_pending = tp->tx_pending;
8945 static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
8947 struct tg3 *tp = netdev_priv(dev);
8948 int irq_sync = 0, err = 0;
8950 if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
8951 (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
8952 (ering->tx_pending > TG3_TX_RING_SIZE - 1) ||
8953 (ering->tx_pending <= MAX_SKB_FRAGS) ||
8954 ((tp->tg3_flags2 & TG3_FLG2_TSO_BUG) &&
8955 (ering->tx_pending <= (MAX_SKB_FRAGS * 3))))
8958 if (netif_running(dev)) {
8964 tg3_full_lock(tp, irq_sync);
8966 tp->rx_pending = ering->rx_pending;
8968 if ((tp->tg3_flags2 & TG3_FLG2_MAX_RXPEND_64) &&
8969 tp->rx_pending > 63)
8970 tp->rx_pending = 63;
8971 tp->rx_jumbo_pending = ering->rx_jumbo_pending;
8972 tp->tx_pending = ering->tx_pending;
8974 if (netif_running(dev)) {
8975 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8976 err = tg3_restart_hw(tp, 1);
8978 tg3_netif_start(tp);
8981 tg3_full_unlock(tp);
8983 if (irq_sync && !err)
8989 static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
8991 struct tg3 *tp = netdev_priv(dev);
8993 epause->autoneg = (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
8995 if (tp->link_config.active_flowctrl & FLOW_CTRL_RX)
8996 epause->rx_pause = 1;
8998 epause->rx_pause = 0;
9000 if (tp->link_config.active_flowctrl & FLOW_CTRL_TX)
9001 epause->tx_pause = 1;
9003 epause->tx_pause = 0;
9006 static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
9008 struct tg3 *tp = netdev_priv(dev);
9011 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9012 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
9015 if (epause->autoneg) {
9017 struct phy_device *phydev;
9019 phydev = tp->mdio_bus->phy_map[PHY_ADDR];
9021 if (epause->rx_pause) {
9022 if (epause->tx_pause)
9023 newadv = ADVERTISED_Pause;
9025 newadv = ADVERTISED_Pause |
9026 ADVERTISED_Asym_Pause;
9027 } else if (epause->tx_pause) {
9028 newadv = ADVERTISED_Asym_Pause;
9032 if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
9033 u32 oldadv = phydev->advertising &
9035 ADVERTISED_Asym_Pause);
9036 if (oldadv != newadv) {
9037 phydev->advertising &=
9038 ~(ADVERTISED_Pause |
9039 ADVERTISED_Asym_Pause);
9040 phydev->advertising |= newadv;
9041 err = phy_start_aneg(phydev);
9044 tp->link_config.advertising &=
9045 ~(ADVERTISED_Pause |
9046 ADVERTISED_Asym_Pause);
9047 tp->link_config.advertising |= newadv;
9050 if (epause->rx_pause)
9051 tp->link_config.flowctrl |= FLOW_CTRL_RX;
9053 tp->link_config.flowctrl &= ~FLOW_CTRL_RX;
9055 if (epause->tx_pause)
9056 tp->link_config.flowctrl |= FLOW_CTRL_TX;
9058 tp->link_config.flowctrl &= ~FLOW_CTRL_TX;
9060 if (netif_running(dev))
9061 tg3_setup_flow_control(tp, 0, 0);
9066 if (netif_running(dev)) {
9071 tg3_full_lock(tp, irq_sync);
9073 if (epause->autoneg)
9074 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
9076 tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
9077 if (epause->rx_pause)
9078 tp->link_config.flowctrl |= FLOW_CTRL_RX;
9080 tp->link_config.flowctrl &= ~FLOW_CTRL_RX;
9081 if (epause->tx_pause)
9082 tp->link_config.flowctrl |= FLOW_CTRL_TX;
9084 tp->link_config.flowctrl &= ~FLOW_CTRL_TX;
9086 if (netif_running(dev)) {
9087 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
9088 err = tg3_restart_hw(tp, 1);
9090 tg3_netif_start(tp);
9093 tg3_full_unlock(tp);
9099 static u32 tg3_get_rx_csum(struct net_device *dev)
9101 struct tg3 *tp = netdev_priv(dev);
9102 return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
9105 static int tg3_set_rx_csum(struct net_device *dev, u32 data)
9107 struct tg3 *tp = netdev_priv(dev);
9109 if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
9115 spin_lock_bh(&tp->lock);
9117 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
9119 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
9120 spin_unlock_bh(&tp->lock);
9125 static int tg3_set_tx_csum(struct net_device *dev, u32 data)
9127 struct tg3 *tp = netdev_priv(dev);
9129 if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
9135 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
9136 ethtool_op_set_tx_ipv6_csum(dev, data);
9138 ethtool_op_set_tx_csum(dev, data);
9143 static int tg3_get_sset_count (struct net_device *dev, int sset)
9147 return TG3_NUM_TEST;
9149 return TG3_NUM_STATS;
9155 static void tg3_get_strings (struct net_device *dev, u32 stringset, u8 *buf)
9157 switch (stringset) {
9159 memcpy(buf, ðtool_stats_keys, sizeof(ethtool_stats_keys));
9162 memcpy(buf, ðtool_test_keys, sizeof(ethtool_test_keys));
9165 WARN_ON(1); /* we need a WARN() */
9170 static int tg3_phys_id(struct net_device *dev, u32 data)
9172 struct tg3 *tp = netdev_priv(dev);
9175 if (!netif_running(tp->dev))
9179 data = UINT_MAX / 2;
9181 for (i = 0; i < (data * 2); i++) {
9183 tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
9184 LED_CTRL_1000MBPS_ON |
9185 LED_CTRL_100MBPS_ON |
9186 LED_CTRL_10MBPS_ON |
9187 LED_CTRL_TRAFFIC_OVERRIDE |
9188 LED_CTRL_TRAFFIC_BLINK |
9189 LED_CTRL_TRAFFIC_LED);
9192 tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
9193 LED_CTRL_TRAFFIC_OVERRIDE);
9195 if (msleep_interruptible(500))
9198 tw32(MAC_LED_CTRL, tp->led_ctrl);
9202 static void tg3_get_ethtool_stats (struct net_device *dev,
9203 struct ethtool_stats *estats, u64 *tmp_stats)
9205 struct tg3 *tp = netdev_priv(dev);
9206 memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
9209 #define NVRAM_TEST_SIZE 0x100
9210 #define NVRAM_SELFBOOT_FORMAT1_0_SIZE 0x14
9211 #define NVRAM_SELFBOOT_FORMAT1_2_SIZE 0x18
9212 #define NVRAM_SELFBOOT_FORMAT1_3_SIZE 0x1c
9213 #define NVRAM_SELFBOOT_HW_SIZE 0x20
9214 #define NVRAM_SELFBOOT_DATA_SIZE 0x1c
9216 static int tg3_test_nvram(struct tg3 *tp)
9220 int i, j, k, err = 0, size;
9222 if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM)
9225 if (tg3_nvram_read(tp, 0, &magic) != 0)
9228 if (magic == TG3_EEPROM_MAGIC)
9229 size = NVRAM_TEST_SIZE;
9230 else if ((magic & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) {
9231 if ((magic & TG3_EEPROM_SB_FORMAT_MASK) ==
9232 TG3_EEPROM_SB_FORMAT_1) {
9233 switch (magic & TG3_EEPROM_SB_REVISION_MASK) {
9234 case TG3_EEPROM_SB_REVISION_0:
9235 size = NVRAM_SELFBOOT_FORMAT1_0_SIZE;
9237 case TG3_EEPROM_SB_REVISION_2:
9238 size = NVRAM_SELFBOOT_FORMAT1_2_SIZE;
9240 case TG3_EEPROM_SB_REVISION_3:
9241 size = NVRAM_SELFBOOT_FORMAT1_3_SIZE;
9248 } else if ((magic & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
9249 size = NVRAM_SELFBOOT_HW_SIZE;
9253 buf = kmalloc(size, GFP_KERNEL);
9258 for (i = 0, j = 0; i < size; i += 4, j++) {
9259 err = tg3_nvram_read_be32(tp, i, &buf[j]);
9266 /* Selfboot format */
9267 magic = be32_to_cpu(buf[0]);
9268 if ((magic & TG3_EEPROM_MAGIC_FW_MSK) ==
9269 TG3_EEPROM_MAGIC_FW) {
9270 u8 *buf8 = (u8 *) buf, csum8 = 0;
9272 if ((magic & TG3_EEPROM_SB_REVISION_MASK) ==
9273 TG3_EEPROM_SB_REVISION_2) {
9274 /* For rev 2, the csum doesn't include the MBA. */
9275 for (i = 0; i < TG3_EEPROM_SB_F1R2_MBA_OFF; i++)
9277 for (i = TG3_EEPROM_SB_F1R2_MBA_OFF + 4; i < size; i++)
9280 for (i = 0; i < size; i++)
9293 if ((magic & TG3_EEPROM_MAGIC_HW_MSK) ==
9294 TG3_EEPROM_MAGIC_HW) {
9295 u8 data[NVRAM_SELFBOOT_DATA_SIZE];
9296 u8 parity[NVRAM_SELFBOOT_DATA_SIZE];
9297 u8 *buf8 = (u8 *) buf;
9299 /* Separate the parity bits and the data bytes. */
9300 for (i = 0, j = 0, k = 0; i < NVRAM_SELFBOOT_HW_SIZE; i++) {
9301 if ((i == 0) || (i == 8)) {
9305 for (l = 0, msk = 0x80; l < 7; l++, msk >>= 1)
9306 parity[k++] = buf8[i] & msk;
9313 for (l = 0, msk = 0x20; l < 6; l++, msk >>= 1)
9314 parity[k++] = buf8[i] & msk;
9317 for (l = 0, msk = 0x80; l < 8; l++, msk >>= 1)
9318 parity[k++] = buf8[i] & msk;
9321 data[j++] = buf8[i];
9325 for (i = 0; i < NVRAM_SELFBOOT_DATA_SIZE; i++) {
9326 u8 hw8 = hweight8(data[i]);
9328 if ((hw8 & 0x1) && parity[i])
9330 else if (!(hw8 & 0x1) && !parity[i])
9337 /* Bootstrap checksum at offset 0x10 */
9338 csum = calc_crc((unsigned char *) buf, 0x10);
9339 if (csum != be32_to_cpu(buf[0x10/4]))
9342 /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
9343 csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
9344 if (csum != be32_to_cpu(buf[0xfc/4]))
9354 #define TG3_SERDES_TIMEOUT_SEC 2
9355 #define TG3_COPPER_TIMEOUT_SEC 6
9357 static int tg3_test_link(struct tg3 *tp)
9361 if (!netif_running(tp->dev))
9364 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
9365 max = TG3_SERDES_TIMEOUT_SEC;
9367 max = TG3_COPPER_TIMEOUT_SEC;
9369 for (i = 0; i < max; i++) {
9370 if (netif_carrier_ok(tp->dev))
9373 if (msleep_interruptible(1000))
9380 /* Only test the commonly used registers */
9381 static int tg3_test_registers(struct tg3 *tp)
9383 int i, is_5705, is_5750;
9384 u32 offset, read_mask, write_mask, val, save_val, read_val;
9388 #define TG3_FL_5705 0x1
9389 #define TG3_FL_NOT_5705 0x2
9390 #define TG3_FL_NOT_5788 0x4
9391 #define TG3_FL_NOT_5750 0x8
9395 /* MAC Control Registers */
9396 { MAC_MODE, TG3_FL_NOT_5705,
9397 0x00000000, 0x00ef6f8c },
9398 { MAC_MODE, TG3_FL_5705,
9399 0x00000000, 0x01ef6b8c },
9400 { MAC_STATUS, TG3_FL_NOT_5705,
9401 0x03800107, 0x00000000 },
9402 { MAC_STATUS, TG3_FL_5705,
9403 0x03800100, 0x00000000 },
9404 { MAC_ADDR_0_HIGH, 0x0000,
9405 0x00000000, 0x0000ffff },
9406 { MAC_ADDR_0_LOW, 0x0000,
9407 0x00000000, 0xffffffff },
9408 { MAC_RX_MTU_SIZE, 0x0000,
9409 0x00000000, 0x0000ffff },
9410 { MAC_TX_MODE, 0x0000,
9411 0x00000000, 0x00000070 },
9412 { MAC_TX_LENGTHS, 0x0000,
9413 0x00000000, 0x00003fff },
9414 { MAC_RX_MODE, TG3_FL_NOT_5705,
9415 0x00000000, 0x000007fc },
9416 { MAC_RX_MODE, TG3_FL_5705,
9417 0x00000000, 0x000007dc },
9418 { MAC_HASH_REG_0, 0x0000,
9419 0x00000000, 0xffffffff },
9420 { MAC_HASH_REG_1, 0x0000,
9421 0x00000000, 0xffffffff },
9422 { MAC_HASH_REG_2, 0x0000,
9423 0x00000000, 0xffffffff },
9424 { MAC_HASH_REG_3, 0x0000,
9425 0x00000000, 0xffffffff },
9427 /* Receive Data and Receive BD Initiator Control Registers. */
9428 { RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
9429 0x00000000, 0xffffffff },
9430 { RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
9431 0x00000000, 0xffffffff },
9432 { RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
9433 0x00000000, 0x00000003 },
9434 { RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
9435 0x00000000, 0xffffffff },
9436 { RCVDBDI_STD_BD+0, 0x0000,
9437 0x00000000, 0xffffffff },
9438 { RCVDBDI_STD_BD+4, 0x0000,
9439 0x00000000, 0xffffffff },
9440 { RCVDBDI_STD_BD+8, 0x0000,
9441 0x00000000, 0xffff0002 },
9442 { RCVDBDI_STD_BD+0xc, 0x0000,
9443 0x00000000, 0xffffffff },
9445 /* Receive BD Initiator Control Registers. */
9446 { RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
9447 0x00000000, 0xffffffff },
9448 { RCVBDI_STD_THRESH, TG3_FL_5705,
9449 0x00000000, 0x000003ff },
9450 { RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
9451 0x00000000, 0xffffffff },
9453 /* Host Coalescing Control Registers. */
9454 { HOSTCC_MODE, TG3_FL_NOT_5705,
9455 0x00000000, 0x00000004 },
9456 { HOSTCC_MODE, TG3_FL_5705,
9457 0x00000000, 0x000000f6 },
9458 { HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
9459 0x00000000, 0xffffffff },
9460 { HOSTCC_RXCOL_TICKS, TG3_FL_5705,
9461 0x00000000, 0x000003ff },
9462 { HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
9463 0x00000000, 0xffffffff },
9464 { HOSTCC_TXCOL_TICKS, TG3_FL_5705,
9465 0x00000000, 0x000003ff },
9466 { HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
9467 0x00000000, 0xffffffff },
9468 { HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
9469 0x00000000, 0x000000ff },
9470 { HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
9471 0x00000000, 0xffffffff },
9472 { HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
9473 0x00000000, 0x000000ff },
9474 { HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
9475 0x00000000, 0xffffffff },
9476 { HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
9477 0x00000000, 0xffffffff },
9478 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
9479 0x00000000, 0xffffffff },
9480 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
9481 0x00000000, 0x000000ff },
9482 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
9483 0x00000000, 0xffffffff },
9484 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
9485 0x00000000, 0x000000ff },
9486 { HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
9487 0x00000000, 0xffffffff },
9488 { HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
9489 0x00000000, 0xffffffff },
9490 { HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
9491 0x00000000, 0xffffffff },
9492 { HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
9493 0x00000000, 0xffffffff },
9494 { HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
9495 0x00000000, 0xffffffff },
9496 { HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
9497 0xffffffff, 0x00000000 },
9498 { HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
9499 0xffffffff, 0x00000000 },
9501 /* Buffer Manager Control Registers. */
9502 { BUFMGR_MB_POOL_ADDR, TG3_FL_NOT_5750,
9503 0x00000000, 0x007fff80 },
9504 { BUFMGR_MB_POOL_SIZE, TG3_FL_NOT_5750,
9505 0x00000000, 0x007fffff },
9506 { BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
9507 0x00000000, 0x0000003f },
9508 { BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
9509 0x00000000, 0x000001ff },
9510 { BUFMGR_MB_HIGH_WATER, 0x0000,
9511 0x00000000, 0x000001ff },
9512 { BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
9513 0xffffffff, 0x00000000 },
9514 { BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
9515 0xffffffff, 0x00000000 },
9517 /* Mailbox Registers */
9518 { GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
9519 0x00000000, 0x000001ff },
9520 { GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
9521 0x00000000, 0x000001ff },
9522 { GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
9523 0x00000000, 0x000007ff },
9524 { GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
9525 0x00000000, 0x000001ff },
9527 { 0xffff, 0x0000, 0x00000000, 0x00000000 },
9530 is_5705 = is_5750 = 0;
9531 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
9533 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
9537 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
9538 if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
9541 if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
9544 if ((tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
9545 (reg_tbl[i].flags & TG3_FL_NOT_5788))
9548 if (is_5750 && (reg_tbl[i].flags & TG3_FL_NOT_5750))
9551 offset = (u32) reg_tbl[i].offset;
9552 read_mask = reg_tbl[i].read_mask;
9553 write_mask = reg_tbl[i].write_mask;
9555 /* Save the original register content */
9556 save_val = tr32(offset);
9558 /* Determine the read-only value. */
9559 read_val = save_val & read_mask;
9561 /* Write zero to the register, then make sure the read-only bits
9562 * are not changed and the read/write bits are all zeros.
9568 /* Test the read-only and read/write bits. */
9569 if (((val & read_mask) != read_val) || (val & write_mask))
9572 /* Write ones to all the bits defined by RdMask and WrMask, then
9573 * make sure the read-only bits are not changed and the
9574 * read/write bits are all ones.
9576 tw32(offset, read_mask | write_mask);
9580 /* Test the read-only bits. */
9581 if ((val & read_mask) != read_val)
9584 /* Test the read/write bits. */
9585 if ((val & write_mask) != write_mask)
9588 tw32(offset, save_val);
9594 if (netif_msg_hw(tp))
9595 printk(KERN_ERR PFX "Register test failed at offset %x\n",
9597 tw32(offset, save_val);
9601 static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
9603 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
9607 for (i = 0; i < ARRAY_SIZE(test_pattern); i++) {
9608 for (j = 0; j < len; j += 4) {
9611 tg3_write_mem(tp, offset + j, test_pattern[i]);
9612 tg3_read_mem(tp, offset + j, &val);
9613 if (val != test_pattern[i])
9620 static int tg3_test_memory(struct tg3 *tp)
9622 static struct mem_entry {
9625 } mem_tbl_570x[] = {
9626 { 0x00000000, 0x00b50},
9627 { 0x00002000, 0x1c000},
9628 { 0xffffffff, 0x00000}
9629 }, mem_tbl_5705[] = {
9630 { 0x00000100, 0x0000c},
9631 { 0x00000200, 0x00008},
9632 { 0x00004000, 0x00800},
9633 { 0x00006000, 0x01000},
9634 { 0x00008000, 0x02000},
9635 { 0x00010000, 0x0e000},
9636 { 0xffffffff, 0x00000}
9637 }, mem_tbl_5755[] = {
9638 { 0x00000200, 0x00008},
9639 { 0x00004000, 0x00800},
9640 { 0x00006000, 0x00800},
9641 { 0x00008000, 0x02000},
9642 { 0x00010000, 0x0c000},
9643 { 0xffffffff, 0x00000}
9644 }, mem_tbl_5906[] = {
9645 { 0x00000200, 0x00008},
9646 { 0x00004000, 0x00400},
9647 { 0x00006000, 0x00400},
9648 { 0x00008000, 0x01000},
9649 { 0x00010000, 0x01000},
9650 { 0xffffffff, 0x00000}
9652 struct mem_entry *mem_tbl;
9656 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
9657 mem_tbl = mem_tbl_5755;
9658 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
9659 mem_tbl = mem_tbl_5906;
9660 else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
9661 mem_tbl = mem_tbl_5705;
9663 mem_tbl = mem_tbl_570x;
9665 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
9666 if ((err = tg3_do_mem_test(tp, mem_tbl[i].offset,
9667 mem_tbl[i].len)) != 0)
9674 #define TG3_MAC_LOOPBACK 0
9675 #define TG3_PHY_LOOPBACK 1
9677 static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
9679 u32 mac_mode, rx_start_idx, rx_idx, tx_idx, opaque_key;
9681 struct sk_buff *skb, *rx_skb;
9684 int num_pkts, tx_len, rx_len, i, err;
9685 struct tg3_rx_buffer_desc *desc;
9687 if (loopback_mode == TG3_MAC_LOOPBACK) {
9688 /* HW errata - mac loopback fails in some cases on 5780.
9689 * Normal traffic and PHY loopback are not affected by
9692 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
9695 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
9696 MAC_MODE_PORT_INT_LPBACK;
9697 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
9698 mac_mode |= MAC_MODE_LINK_POLARITY;
9699 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
9700 mac_mode |= MAC_MODE_PORT_MODE_MII;
9702 mac_mode |= MAC_MODE_PORT_MODE_GMII;
9703 tw32(MAC_MODE, mac_mode);
9704 } else if (loopback_mode == TG3_PHY_LOOPBACK) {
9707 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
9710 if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &phytest)) {
9713 tg3_writephy(tp, MII_TG3_EPHY_TEST,
9714 phytest | MII_TG3_EPHY_SHADOW_EN);
9715 if (!tg3_readphy(tp, 0x1b, &phy))
9716 tg3_writephy(tp, 0x1b, phy & ~0x20);
9717 tg3_writephy(tp, MII_TG3_EPHY_TEST, phytest);
9719 val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED100;
9721 val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED1000;
9723 tg3_phy_toggle_automdix(tp, 0);
9725 tg3_writephy(tp, MII_BMCR, val);
9728 mac_mode = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
9729 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
9730 tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x1800);
9731 mac_mode |= MAC_MODE_PORT_MODE_MII;
9733 mac_mode |= MAC_MODE_PORT_MODE_GMII;
9735 /* reset to prevent losing 1st rx packet intermittently */
9736 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
9737 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
9739 tw32_f(MAC_RX_MODE, tp->rx_mode);
9741 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
9742 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)
9743 mac_mode &= ~MAC_MODE_LINK_POLARITY;
9744 else if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411)
9745 mac_mode |= MAC_MODE_LINK_POLARITY;
9746 tg3_writephy(tp, MII_TG3_EXT_CTRL,
9747 MII_TG3_EXT_CTRL_LNK3_LED_MODE);
9749 tw32(MAC_MODE, mac_mode);
9757 skb = netdev_alloc_skb(tp->dev, tx_len);
9761 tx_data = skb_put(skb, tx_len);
9762 memcpy(tx_data, tp->dev->dev_addr, 6);
9763 memset(tx_data + 6, 0x0, 8);
9765 tw32(MAC_RX_MTU_SIZE, tx_len + 4);
9767 for (i = 14; i < tx_len; i++)
9768 tx_data[i] = (u8) (i & 0xff);
9770 map = pci_map_single(tp->pdev, skb->data, tx_len, PCI_DMA_TODEVICE);
9772 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
9777 rx_start_idx = tp->hw_status->idx[0].rx_producer;
9781 tg3_set_txd(tp, tp->tx_prod, map, tx_len, 0, 1);
9786 tw32_tx_mbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW,
9788 tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW);
9792 /* 250 usec to allow enough time on some 10/100 Mbps devices. */
9793 for (i = 0; i < 25; i++) {
9794 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
9799 tx_idx = tp->hw_status->idx[0].tx_consumer;
9800 rx_idx = tp->hw_status->idx[0].rx_producer;
9801 if ((tx_idx == tp->tx_prod) &&
9802 (rx_idx == (rx_start_idx + num_pkts)))
9806 pci_unmap_single(tp->pdev, map, tx_len, PCI_DMA_TODEVICE);
9809 if (tx_idx != tp->tx_prod)
9812 if (rx_idx != rx_start_idx + num_pkts)
9815 desc = &tp->rx_rcb[rx_start_idx];
9816 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
9817 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
9818 if (opaque_key != RXD_OPAQUE_RING_STD)
9821 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
9822 (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII))
9825 rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4;
9826 if (rx_len != tx_len)
9829 rx_skb = tp->rx_std_buffers[desc_idx].skb;
9831 map = pci_unmap_addr(&tp->rx_std_buffers[desc_idx], mapping);
9832 pci_dma_sync_single_for_cpu(tp->pdev, map, rx_len, PCI_DMA_FROMDEVICE);
9834 for (i = 14; i < tx_len; i++) {
9835 if (*(rx_skb->data + i) != (u8) (i & 0xff))
9840 /* tg3_free_rings will unmap and free the rx_skb */
9845 #define TG3_MAC_LOOPBACK_FAILED 1
9846 #define TG3_PHY_LOOPBACK_FAILED 2
9847 #define TG3_LOOPBACK_FAILED (TG3_MAC_LOOPBACK_FAILED | \
9848 TG3_PHY_LOOPBACK_FAILED)
9850 static int tg3_test_loopback(struct tg3 *tp)
9855 if (!netif_running(tp->dev))
9856 return TG3_LOOPBACK_FAILED;
9858 err = tg3_reset_hw(tp, 1);
9860 return TG3_LOOPBACK_FAILED;
9862 /* Turn off gphy autopowerdown. */
9863 if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
9864 tg3_phy_toggle_apd(tp, false);
9866 if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
9870 tw32(TG3_CPMU_MUTEX_REQ, CPMU_MUTEX_REQ_DRIVER);
9872 /* Wait for up to 40 microseconds to acquire lock. */
9873 for (i = 0; i < 4; i++) {
9874 status = tr32(TG3_CPMU_MUTEX_GNT);
9875 if (status == CPMU_MUTEX_GNT_DRIVER)
9880 if (status != CPMU_MUTEX_GNT_DRIVER)
9881 return TG3_LOOPBACK_FAILED;
9883 /* Turn off link-based power management. */
9884 cpmuctrl = tr32(TG3_CPMU_CTRL);
9886 cpmuctrl & ~(CPMU_CTRL_LINK_SPEED_MODE |
9887 CPMU_CTRL_LINK_AWARE_MODE));
9890 if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
9891 err |= TG3_MAC_LOOPBACK_FAILED;
9893 if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
9894 tw32(TG3_CPMU_CTRL, cpmuctrl);
9896 /* Release the mutex */
9897 tw32(TG3_CPMU_MUTEX_GNT, CPMU_MUTEX_GNT_DRIVER);
9900 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
9901 !(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
9902 if (tg3_run_loopback(tp, TG3_PHY_LOOPBACK))
9903 err |= TG3_PHY_LOOPBACK_FAILED;
9906 /* Re-enable gphy autopowerdown. */
9907 if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
9908 tg3_phy_toggle_apd(tp, true);
9913 static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
9916 struct tg3 *tp = netdev_priv(dev);
9918 if (tp->link_config.phy_is_low_power)
9919 tg3_set_power_state(tp, PCI_D0);
9921 memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
9923 if (tg3_test_nvram(tp) != 0) {
9924 etest->flags |= ETH_TEST_FL_FAILED;
9927 if (tg3_test_link(tp) != 0) {
9928 etest->flags |= ETH_TEST_FL_FAILED;
9931 if (etest->flags & ETH_TEST_FL_OFFLINE) {
9932 int err, err2 = 0, irq_sync = 0;
9934 if (netif_running(dev)) {
9940 tg3_full_lock(tp, irq_sync);
9942 tg3_halt(tp, RESET_KIND_SUSPEND, 1);
9943 err = tg3_nvram_lock(tp);
9944 tg3_halt_cpu(tp, RX_CPU_BASE);
9945 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
9946 tg3_halt_cpu(tp, TX_CPU_BASE);
9948 tg3_nvram_unlock(tp);
9950 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
9953 if (tg3_test_registers(tp) != 0) {
9954 etest->flags |= ETH_TEST_FL_FAILED;
9957 if (tg3_test_memory(tp) != 0) {
9958 etest->flags |= ETH_TEST_FL_FAILED;
9961 if ((data[4] = tg3_test_loopback(tp)) != 0)
9962 etest->flags |= ETH_TEST_FL_FAILED;
9964 tg3_full_unlock(tp);
9966 if (tg3_test_interrupt(tp) != 0) {
9967 etest->flags |= ETH_TEST_FL_FAILED;
9971 tg3_full_lock(tp, 0);
9973 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
9974 if (netif_running(dev)) {
9975 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
9976 err2 = tg3_restart_hw(tp, 1);
9978 tg3_netif_start(tp);
9981 tg3_full_unlock(tp);
9983 if (irq_sync && !err2)
9986 if (tp->link_config.phy_is_low_power)
9987 tg3_set_power_state(tp, PCI_D3hot);
9991 static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9993 struct mii_ioctl_data *data = if_mii(ifr);
9994 struct tg3 *tp = netdev_priv(dev);
9997 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9998 if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
10000 return phy_mii_ioctl(tp->mdio_bus->phy_map[PHY_ADDR], data, cmd);
10005 data->phy_id = PHY_ADDR;
10008 case SIOCGMIIREG: {
10011 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
10012 break; /* We have no PHY */
10014 if (tp->link_config.phy_is_low_power)
10017 spin_lock_bh(&tp->lock);
10018 err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
10019 spin_unlock_bh(&tp->lock);
10021 data->val_out = mii_regval;
10027 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
10028 break; /* We have no PHY */
10030 if (!capable(CAP_NET_ADMIN))
10033 if (tp->link_config.phy_is_low_power)
10036 spin_lock_bh(&tp->lock);
10037 err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
10038 spin_unlock_bh(&tp->lock);
10046 return -EOPNOTSUPP;
10049 #if TG3_VLAN_TAG_USED
10050 static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
10052 struct tg3 *tp = netdev_priv(dev);
10054 if (!netif_running(dev)) {
10059 tg3_netif_stop(tp);
10061 tg3_full_lock(tp, 0);
10065 /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
10066 __tg3_set_rx_mode(dev);
10068 tg3_netif_start(tp);
10070 tg3_full_unlock(tp);
10074 static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
10076 struct tg3 *tp = netdev_priv(dev);
10078 memcpy(ec, &tp->coal, sizeof(*ec));
10082 static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
10084 struct tg3 *tp = netdev_priv(dev);
10085 u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0;
10086 u32 max_stat_coal_ticks = 0, min_stat_coal_ticks = 0;
10088 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
10089 max_rxcoal_tick_int = MAX_RXCOAL_TICK_INT;
10090 max_txcoal_tick_int = MAX_TXCOAL_TICK_INT;
10091 max_stat_coal_ticks = MAX_STAT_COAL_TICKS;
10092 min_stat_coal_ticks = MIN_STAT_COAL_TICKS;
10095 if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||
10096 (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||
10097 (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||
10098 (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||
10099 (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) ||
10100 (ec->tx_coalesce_usecs_irq > max_txcoal_tick_int) ||
10101 (ec->rx_max_coalesced_frames_irq > MAX_RXCOAL_MAXF_INT) ||
10102 (ec->tx_max_coalesced_frames_irq > MAX_TXCOAL_MAXF_INT) ||
10103 (ec->stats_block_coalesce_usecs > max_stat_coal_ticks) ||
10104 (ec->stats_block_coalesce_usecs < min_stat_coal_ticks))
10107 /* No rx interrupts will be generated if both are zero */
10108 if ((ec->rx_coalesce_usecs == 0) &&
10109 (ec->rx_max_coalesced_frames == 0))
10112 /* No tx interrupts will be generated if both are zero */
10113 if ((ec->tx_coalesce_usecs == 0) &&
10114 (ec->tx_max_coalesced_frames == 0))
10117 /* Only copy relevant parameters, ignore all others. */
10118 tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs;
10119 tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs;
10120 tp->coal.rx_max_coalesced_frames = ec->rx_max_coalesced_frames;
10121 tp->coal.tx_max_coalesced_frames = ec->tx_max_coalesced_frames;
10122 tp->coal.rx_coalesce_usecs_irq = ec->rx_coalesce_usecs_irq;
10123 tp->coal.tx_coalesce_usecs_irq = ec->tx_coalesce_usecs_irq;
10124 tp->coal.rx_max_coalesced_frames_irq = ec->rx_max_coalesced_frames_irq;
10125 tp->coal.tx_max_coalesced_frames_irq = ec->tx_max_coalesced_frames_irq;
10126 tp->coal.stats_block_coalesce_usecs = ec->stats_block_coalesce_usecs;
10128 if (netif_running(dev)) {
10129 tg3_full_lock(tp, 0);
10130 __tg3_set_coalesce(tp, &tp->coal);
10131 tg3_full_unlock(tp);
10136 static const struct ethtool_ops tg3_ethtool_ops = {
10137 .get_settings = tg3_get_settings,
10138 .set_settings = tg3_set_settings,
10139 .get_drvinfo = tg3_get_drvinfo,
10140 .get_regs_len = tg3_get_regs_len,
10141 .get_regs = tg3_get_regs,
10142 .get_wol = tg3_get_wol,
10143 .set_wol = tg3_set_wol,
10144 .get_msglevel = tg3_get_msglevel,
10145 .set_msglevel = tg3_set_msglevel,
10146 .nway_reset = tg3_nway_reset,
10147 .get_link = ethtool_op_get_link,
10148 .get_eeprom_len = tg3_get_eeprom_len,
10149 .get_eeprom = tg3_get_eeprom,
10150 .set_eeprom = tg3_set_eeprom,
10151 .get_ringparam = tg3_get_ringparam,
10152 .set_ringparam = tg3_set_ringparam,
10153 .get_pauseparam = tg3_get_pauseparam,
10154 .set_pauseparam = tg3_set_pauseparam,
10155 .get_rx_csum = tg3_get_rx_csum,
10156 .set_rx_csum = tg3_set_rx_csum,
10157 .set_tx_csum = tg3_set_tx_csum,
10158 .set_sg = ethtool_op_set_sg,
10159 .set_tso = tg3_set_tso,
10160 .self_test = tg3_self_test,
10161 .get_strings = tg3_get_strings,
10162 .phys_id = tg3_phys_id,
10163 .get_ethtool_stats = tg3_get_ethtool_stats,
10164 .get_coalesce = tg3_get_coalesce,
10165 .set_coalesce = tg3_set_coalesce,
10166 .get_sset_count = tg3_get_sset_count,
10169 static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
10171 u32 cursize, val, magic;
10173 tp->nvram_size = EEPROM_CHIP_SIZE;
10175 if (tg3_nvram_read(tp, 0, &magic) != 0)
10178 if ((magic != TG3_EEPROM_MAGIC) &&
10179 ((magic & TG3_EEPROM_MAGIC_FW_MSK) != TG3_EEPROM_MAGIC_FW) &&
10180 ((magic & TG3_EEPROM_MAGIC_HW_MSK) != TG3_EEPROM_MAGIC_HW))
10184 * Size the chip by reading offsets at increasing powers of two.
10185 * When we encounter our validation signature, we know the addressing
10186 * has wrapped around, and thus have our chip size.
10190 while (cursize < tp->nvram_size) {
10191 if (tg3_nvram_read(tp, cursize, &val) != 0)
10200 tp->nvram_size = cursize;
10203 static void __devinit tg3_get_nvram_size(struct tg3 *tp)
10207 if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
10208 tg3_nvram_read(tp, 0, &val) != 0)
10211 /* Selfboot format */
10212 if (val != TG3_EEPROM_MAGIC) {
10213 tg3_get_eeprom_size(tp);
10217 if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
10219 /* This is confusing. We want to operate on the
10220 * 16-bit value at offset 0xf2. The tg3_nvram_read()
10221 * call will read from NVRAM and byteswap the data
10222 * according to the byteswapping settings for all
10223 * other register accesses. This ensures the data we
10224 * want will always reside in the lower 16-bits.
10225 * However, the data in NVRAM is in LE format, which
10226 * means the data from the NVRAM read will always be
10227 * opposite the endianness of the CPU. The 16-bit
10228 * byteswap then brings the data to CPU endianness.
10230 tp->nvram_size = swab16((u16)(val & 0x0000ffff)) * 1024;
10234 tp->nvram_size = TG3_NVRAM_SIZE_512KB;
10237 static void __devinit tg3_get_nvram_info(struct tg3 *tp)
10241 nvcfg1 = tr32(NVRAM_CFG1);
10242 if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
10243 tp->tg3_flags2 |= TG3_FLG2_FLASH;
10246 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
10247 tw32(NVRAM_CFG1, nvcfg1);
10250 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) ||
10251 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
10252 switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
10253 case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
10254 tp->nvram_jedecnum = JEDEC_ATMEL;
10255 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
10256 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10258 case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
10259 tp->nvram_jedecnum = JEDEC_ATMEL;
10260 tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
10262 case FLASH_VENDOR_ATMEL_EEPROM:
10263 tp->nvram_jedecnum = JEDEC_ATMEL;
10264 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
10265 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10267 case FLASH_VENDOR_ST:
10268 tp->nvram_jedecnum = JEDEC_ST;
10269 tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
10270 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10272 case FLASH_VENDOR_SAIFUN:
10273 tp->nvram_jedecnum = JEDEC_SAIFUN;
10274 tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
10276 case FLASH_VENDOR_SST_SMALL:
10277 case FLASH_VENDOR_SST_LARGE:
10278 tp->nvram_jedecnum = JEDEC_SST;
10279 tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
10284 tp->nvram_jedecnum = JEDEC_ATMEL;
10285 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
10286 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10290 static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
10294 nvcfg1 = tr32(NVRAM_CFG1);
10296 /* NVRAM protection for TPM */
10297 if (nvcfg1 & (1 << 27))
10298 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
10300 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
10301 case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
10302 case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
10303 tp->nvram_jedecnum = JEDEC_ATMEL;
10304 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10306 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
10307 tp->nvram_jedecnum = JEDEC_ATMEL;
10308 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10309 tp->tg3_flags2 |= TG3_FLG2_FLASH;
10311 case FLASH_5752VENDOR_ST_M45PE10:
10312 case FLASH_5752VENDOR_ST_M45PE20:
10313 case FLASH_5752VENDOR_ST_M45PE40:
10314 tp->nvram_jedecnum = JEDEC_ST;
10315 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10316 tp->tg3_flags2 |= TG3_FLG2_FLASH;
10320 if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
10321 switch (nvcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
10322 case FLASH_5752PAGE_SIZE_256:
10323 tp->nvram_pagesize = 256;
10325 case FLASH_5752PAGE_SIZE_512:
10326 tp->nvram_pagesize = 512;
10328 case FLASH_5752PAGE_SIZE_1K:
10329 tp->nvram_pagesize = 1024;
10331 case FLASH_5752PAGE_SIZE_2K:
10332 tp->nvram_pagesize = 2048;
10334 case FLASH_5752PAGE_SIZE_4K:
10335 tp->nvram_pagesize = 4096;
10337 case FLASH_5752PAGE_SIZE_264:
10338 tp->nvram_pagesize = 264;
10343 /* For eeprom, set pagesize to maximum eeprom size */
10344 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
10346 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
10347 tw32(NVRAM_CFG1, nvcfg1);
10351 static void __devinit tg3_get_5755_nvram_info(struct tg3 *tp)
10353 u32 nvcfg1, protect = 0;
10355 nvcfg1 = tr32(NVRAM_CFG1);
10357 /* NVRAM protection for TPM */
10358 if (nvcfg1 & (1 << 27)) {
10359 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
10363 nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
10365 case FLASH_5755VENDOR_ATMEL_FLASH_1:
10366 case FLASH_5755VENDOR_ATMEL_FLASH_2:
10367 case FLASH_5755VENDOR_ATMEL_FLASH_3:
10368 case FLASH_5755VENDOR_ATMEL_FLASH_5:
10369 tp->nvram_jedecnum = JEDEC_ATMEL;
10370 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10371 tp->tg3_flags2 |= TG3_FLG2_FLASH;
10372 tp->nvram_pagesize = 264;
10373 if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_1 ||
10374 nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_5)
10375 tp->nvram_size = (protect ? 0x3e200 :
10376 TG3_NVRAM_SIZE_512KB);
10377 else if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_2)
10378 tp->nvram_size = (protect ? 0x1f200 :
10379 TG3_NVRAM_SIZE_256KB);
10381 tp->nvram_size = (protect ? 0x1f200 :
10382 TG3_NVRAM_SIZE_128KB);
10384 case FLASH_5752VENDOR_ST_M45PE10:
10385 case FLASH_5752VENDOR_ST_M45PE20:
10386 case FLASH_5752VENDOR_ST_M45PE40:
10387 tp->nvram_jedecnum = JEDEC_ST;
10388 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10389 tp->tg3_flags2 |= TG3_FLG2_FLASH;
10390 tp->nvram_pagesize = 256;
10391 if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE10)
10392 tp->nvram_size = (protect ?
10393 TG3_NVRAM_SIZE_64KB :
10394 TG3_NVRAM_SIZE_128KB);
10395 else if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE20)
10396 tp->nvram_size = (protect ?
10397 TG3_NVRAM_SIZE_64KB :
10398 TG3_NVRAM_SIZE_256KB);
10400 tp->nvram_size = (protect ?
10401 TG3_NVRAM_SIZE_128KB :
10402 TG3_NVRAM_SIZE_512KB);
10407 static void __devinit tg3_get_5787_nvram_info(struct tg3 *tp)
10411 nvcfg1 = tr32(NVRAM_CFG1);
10413 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
10414 case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ:
10415 case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
10416 case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ:
10417 case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
10418 tp->nvram_jedecnum = JEDEC_ATMEL;
10419 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10420 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
10422 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
10423 tw32(NVRAM_CFG1, nvcfg1);
10425 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
10426 case FLASH_5755VENDOR_ATMEL_FLASH_1:
10427 case FLASH_5755VENDOR_ATMEL_FLASH_2:
10428 case FLASH_5755VENDOR_ATMEL_FLASH_3:
10429 tp->nvram_jedecnum = JEDEC_ATMEL;
10430 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10431 tp->tg3_flags2 |= TG3_FLG2_FLASH;
10432 tp->nvram_pagesize = 264;
10434 case FLASH_5752VENDOR_ST_M45PE10:
10435 case FLASH_5752VENDOR_ST_M45PE20:
10436 case FLASH_5752VENDOR_ST_M45PE40:
10437 tp->nvram_jedecnum = JEDEC_ST;
10438 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10439 tp->tg3_flags2 |= TG3_FLG2_FLASH;
10440 tp->nvram_pagesize = 256;
10445 static void __devinit tg3_get_5761_nvram_info(struct tg3 *tp)
10447 u32 nvcfg1, protect = 0;
10449 nvcfg1 = tr32(NVRAM_CFG1);
10451 /* NVRAM protection for TPM */
10452 if (nvcfg1 & (1 << 27)) {
10453 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
10457 nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
10459 case FLASH_5761VENDOR_ATMEL_ADB021D:
10460 case FLASH_5761VENDOR_ATMEL_ADB041D:
10461 case FLASH_5761VENDOR_ATMEL_ADB081D:
10462 case FLASH_5761VENDOR_ATMEL_ADB161D:
10463 case FLASH_5761VENDOR_ATMEL_MDB021D:
10464 case FLASH_5761VENDOR_ATMEL_MDB041D:
10465 case FLASH_5761VENDOR_ATMEL_MDB081D:
10466 case FLASH_5761VENDOR_ATMEL_MDB161D:
10467 tp->nvram_jedecnum = JEDEC_ATMEL;
10468 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10469 tp->tg3_flags2 |= TG3_FLG2_FLASH;
10470 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
10471 tp->nvram_pagesize = 256;
10473 case FLASH_5761VENDOR_ST_A_M45PE20:
10474 case FLASH_5761VENDOR_ST_A_M45PE40:
10475 case FLASH_5761VENDOR_ST_A_M45PE80:
10476 case FLASH_5761VENDOR_ST_A_M45PE16:
10477 case FLASH_5761VENDOR_ST_M_M45PE20:
10478 case FLASH_5761VENDOR_ST_M_M45PE40:
10479 case FLASH_5761VENDOR_ST_M_M45PE80:
10480 case FLASH_5761VENDOR_ST_M_M45PE16:
10481 tp->nvram_jedecnum = JEDEC_ST;
10482 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10483 tp->tg3_flags2 |= TG3_FLG2_FLASH;
10484 tp->nvram_pagesize = 256;
10489 tp->nvram_size = tr32(NVRAM_ADDR_LOCKOUT);
10492 case FLASH_5761VENDOR_ATMEL_ADB161D:
10493 case FLASH_5761VENDOR_ATMEL_MDB161D:
10494 case FLASH_5761VENDOR_ST_A_M45PE16:
10495 case FLASH_5761VENDOR_ST_M_M45PE16:
10496 tp->nvram_size = TG3_NVRAM_SIZE_2MB;
10498 case FLASH_5761VENDOR_ATMEL_ADB081D:
10499 case FLASH_5761VENDOR_ATMEL_MDB081D:
10500 case FLASH_5761VENDOR_ST_A_M45PE80:
10501 case FLASH_5761VENDOR_ST_M_M45PE80:
10502 tp->nvram_size = TG3_NVRAM_SIZE_1MB;
10504 case FLASH_5761VENDOR_ATMEL_ADB041D:
10505 case FLASH_5761VENDOR_ATMEL_MDB041D:
10506 case FLASH_5761VENDOR_ST_A_M45PE40:
10507 case FLASH_5761VENDOR_ST_M_M45PE40:
10508 tp->nvram_size = TG3_NVRAM_SIZE_512KB;
10510 case FLASH_5761VENDOR_ATMEL_ADB021D:
10511 case FLASH_5761VENDOR_ATMEL_MDB021D:
10512 case FLASH_5761VENDOR_ST_A_M45PE20:
10513 case FLASH_5761VENDOR_ST_M_M45PE20:
10514 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
10520 static void __devinit tg3_get_5906_nvram_info(struct tg3 *tp)
10522 tp->nvram_jedecnum = JEDEC_ATMEL;
10523 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10524 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
10527 static void __devinit tg3_get_57780_nvram_info(struct tg3 *tp)
10531 nvcfg1 = tr32(NVRAM_CFG1);
10533 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
10534 case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
10535 case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
10536 tp->nvram_jedecnum = JEDEC_ATMEL;
10537 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10538 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
10540 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
10541 tw32(NVRAM_CFG1, nvcfg1);
10543 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
10544 case FLASH_57780VENDOR_ATMEL_AT45DB011D:
10545 case FLASH_57780VENDOR_ATMEL_AT45DB011B:
10546 case FLASH_57780VENDOR_ATMEL_AT45DB021D:
10547 case FLASH_57780VENDOR_ATMEL_AT45DB021B:
10548 case FLASH_57780VENDOR_ATMEL_AT45DB041D:
10549 case FLASH_57780VENDOR_ATMEL_AT45DB041B:
10550 tp->nvram_jedecnum = JEDEC_ATMEL;
10551 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10552 tp->tg3_flags2 |= TG3_FLG2_FLASH;
10554 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
10555 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
10556 case FLASH_57780VENDOR_ATMEL_AT45DB011D:
10557 case FLASH_57780VENDOR_ATMEL_AT45DB011B:
10558 tp->nvram_size = TG3_NVRAM_SIZE_128KB;
10560 case FLASH_57780VENDOR_ATMEL_AT45DB021D:
10561 case FLASH_57780VENDOR_ATMEL_AT45DB021B:
10562 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
10564 case FLASH_57780VENDOR_ATMEL_AT45DB041D:
10565 case FLASH_57780VENDOR_ATMEL_AT45DB041B:
10566 tp->nvram_size = TG3_NVRAM_SIZE_512KB;
10570 case FLASH_5752VENDOR_ST_M45PE10:
10571 case FLASH_5752VENDOR_ST_M45PE20:
10572 case FLASH_5752VENDOR_ST_M45PE40:
10573 tp->nvram_jedecnum = JEDEC_ST;
10574 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
10575 tp->tg3_flags2 |= TG3_FLG2_FLASH;
10577 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
10578 case FLASH_5752VENDOR_ST_M45PE10:
10579 tp->nvram_size = TG3_NVRAM_SIZE_128KB;
10581 case FLASH_5752VENDOR_ST_M45PE20:
10582 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
10584 case FLASH_5752VENDOR_ST_M45PE40:
10585 tp->nvram_size = TG3_NVRAM_SIZE_512KB;
10590 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM;
10594 switch (nvcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
10595 case FLASH_5752PAGE_SIZE_256:
10596 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
10597 tp->nvram_pagesize = 256;
10599 case FLASH_5752PAGE_SIZE_512:
10600 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
10601 tp->nvram_pagesize = 512;
10603 case FLASH_5752PAGE_SIZE_1K:
10604 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
10605 tp->nvram_pagesize = 1024;
10607 case FLASH_5752PAGE_SIZE_2K:
10608 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
10609 tp->nvram_pagesize = 2048;
10611 case FLASH_5752PAGE_SIZE_4K:
10612 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
10613 tp->nvram_pagesize = 4096;
10615 case FLASH_5752PAGE_SIZE_264:
10616 tp->nvram_pagesize = 264;
10618 case FLASH_5752PAGE_SIZE_528:
10619 tp->nvram_pagesize = 528;
10624 /* Chips other than 5700/5701 use the NVRAM for fetching info. */
10625 static void __devinit tg3_nvram_init(struct tg3 *tp)
10627 tw32_f(GRC_EEPROM_ADDR,
10628 (EEPROM_ADDR_FSM_RESET |
10629 (EEPROM_DEFAULT_CLOCK_PERIOD <<
10630 EEPROM_ADDR_CLKPERD_SHIFT)));
10634 /* Enable seeprom accesses. */
10635 tw32_f(GRC_LOCAL_CTRL,
10636 tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
10639 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
10640 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
10641 tp->tg3_flags |= TG3_FLAG_NVRAM;
10643 if (tg3_nvram_lock(tp)) {
10644 printk(KERN_WARNING PFX "%s: Cannot get nvarm lock, "
10645 "tg3_nvram_init failed.\n", tp->dev->name);
10648 tg3_enable_nvram_access(tp);
10650 tp->nvram_size = 0;
10652 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
10653 tg3_get_5752_nvram_info(tp);
10654 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
10655 tg3_get_5755_nvram_info(tp);
10656 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
10657 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
10658 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
10659 tg3_get_5787_nvram_info(tp);
10660 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
10661 tg3_get_5761_nvram_info(tp);
10662 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10663 tg3_get_5906_nvram_info(tp);
10664 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
10665 tg3_get_57780_nvram_info(tp);
10667 tg3_get_nvram_info(tp);
10669 if (tp->nvram_size == 0)
10670 tg3_get_nvram_size(tp);
10672 tg3_disable_nvram_access(tp);
10673 tg3_nvram_unlock(tp);
10676 tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
10678 tg3_get_eeprom_size(tp);
10682 static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
10683 u32 offset, u32 len, u8 *buf)
10688 for (i = 0; i < len; i += 4) {
10694 memcpy(&data, buf + i, 4);
10697 * The SEEPROM interface expects the data to always be opposite
10698 * the native endian format. We accomplish this by reversing
10699 * all the operations that would have been performed on the
10700 * data from a call to tg3_nvram_read_be32().
10702 tw32(GRC_EEPROM_DATA, swab32(be32_to_cpu(data)));
10704 val = tr32(GRC_EEPROM_ADDR);
10705 tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
10707 val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
10709 tw32(GRC_EEPROM_ADDR, val |
10710 (0 << EEPROM_ADDR_DEVID_SHIFT) |
10711 (addr & EEPROM_ADDR_ADDR_MASK) |
10712 EEPROM_ADDR_START |
10713 EEPROM_ADDR_WRITE);
10715 for (j = 0; j < 1000; j++) {
10716 val = tr32(GRC_EEPROM_ADDR);
10718 if (val & EEPROM_ADDR_COMPLETE)
10722 if (!(val & EEPROM_ADDR_COMPLETE)) {
10731 /* offset and length are dword aligned */
10732 static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
10736 u32 pagesize = tp->nvram_pagesize;
10737 u32 pagemask = pagesize - 1;
10741 tmp = kmalloc(pagesize, GFP_KERNEL);
10747 u32 phy_addr, page_off, size;
10749 phy_addr = offset & ~pagemask;
10751 for (j = 0; j < pagesize; j += 4) {
10752 ret = tg3_nvram_read_be32(tp, phy_addr + j,
10753 (__be32 *) (tmp + j));
10760 page_off = offset & pagemask;
10767 memcpy(tmp + page_off, buf, size);
10769 offset = offset + (pagesize - page_off);
10771 tg3_enable_nvram_access(tp);
10774 * Before we can erase the flash page, we need
10775 * to issue a special "write enable" command.
10777 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
10779 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
10782 /* Erase the target page */
10783 tw32(NVRAM_ADDR, phy_addr);
10785 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
10786 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
10788 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
10791 /* Issue another write enable to start the write. */
10792 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
10794 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
10797 for (j = 0; j < pagesize; j += 4) {
10800 data = *((__be32 *) (tmp + j));
10802 tw32(NVRAM_WRDATA, be32_to_cpu(data));
10804 tw32(NVRAM_ADDR, phy_addr + j);
10806 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
10810 nvram_cmd |= NVRAM_CMD_FIRST;
10811 else if (j == (pagesize - 4))
10812 nvram_cmd |= NVRAM_CMD_LAST;
10814 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
10821 nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
10822 tg3_nvram_exec_cmd(tp, nvram_cmd);
10829 /* offset and length are dword aligned */
10830 static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
10835 for (i = 0; i < len; i += 4, offset += 4) {
10836 u32 page_off, phy_addr, nvram_cmd;
10839 memcpy(&data, buf + i, 4);
10840 tw32(NVRAM_WRDATA, be32_to_cpu(data));
10842 page_off = offset % tp->nvram_pagesize;
10844 phy_addr = tg3_nvram_phys_addr(tp, offset);
10846 tw32(NVRAM_ADDR, phy_addr);
10848 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
10850 if ((page_off == 0) || (i == 0))
10851 nvram_cmd |= NVRAM_CMD_FIRST;
10852 if (page_off == (tp->nvram_pagesize - 4))
10853 nvram_cmd |= NVRAM_CMD_LAST;
10855 if (i == (len - 4))
10856 nvram_cmd |= NVRAM_CMD_LAST;
10858 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752 &&
10859 !(tp->tg3_flags3 & TG3_FLG3_5755_PLUS) &&
10860 (tp->nvram_jedecnum == JEDEC_ST) &&
10861 (nvram_cmd & NVRAM_CMD_FIRST)) {
10863 if ((ret = tg3_nvram_exec_cmd(tp,
10864 NVRAM_CMD_WREN | NVRAM_CMD_GO |
10869 if (!(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
10870 /* We always do complete word writes to eeprom. */
10871 nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
10874 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
10880 /* offset and length are dword aligned */
10881 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
10885 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
10886 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
10887 ~GRC_LCLCTRL_GPIO_OUTPUT1);
10891 if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) {
10892 ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
10897 ret = tg3_nvram_lock(tp);
10901 tg3_enable_nvram_access(tp);
10902 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
10903 !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM))
10904 tw32(NVRAM_WRITE1, 0x406);
10906 grc_mode = tr32(GRC_MODE);
10907 tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
10909 if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) ||
10910 !(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
10912 ret = tg3_nvram_write_block_buffered(tp, offset, len,
10916 ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
10920 grc_mode = tr32(GRC_MODE);
10921 tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
10923 tg3_disable_nvram_access(tp);
10924 tg3_nvram_unlock(tp);
10927 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
10928 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
10935 struct subsys_tbl_ent {
10936 u16 subsys_vendor, subsys_devid;
10940 static struct subsys_tbl_ent subsys_id_to_phy_id[] = {
10941 /* Broadcom boards. */
10942 { PCI_VENDOR_ID_BROADCOM, 0x1644, PHY_ID_BCM5401 }, /* BCM95700A6 */
10943 { PCI_VENDOR_ID_BROADCOM, 0x0001, PHY_ID_BCM5701 }, /* BCM95701A5 */
10944 { PCI_VENDOR_ID_BROADCOM, 0x0002, PHY_ID_BCM8002 }, /* BCM95700T6 */
10945 { PCI_VENDOR_ID_BROADCOM, 0x0003, 0 }, /* BCM95700A9 */
10946 { PCI_VENDOR_ID_BROADCOM, 0x0005, PHY_ID_BCM5701 }, /* BCM95701T1 */
10947 { PCI_VENDOR_ID_BROADCOM, 0x0006, PHY_ID_BCM5701 }, /* BCM95701T8 */
10948 { PCI_VENDOR_ID_BROADCOM, 0x0007, 0 }, /* BCM95701A7 */
10949 { PCI_VENDOR_ID_BROADCOM, 0x0008, PHY_ID_BCM5701 }, /* BCM95701A10 */
10950 { PCI_VENDOR_ID_BROADCOM, 0x8008, PHY_ID_BCM5701 }, /* BCM95701A12 */
10951 { PCI_VENDOR_ID_BROADCOM, 0x0009, PHY_ID_BCM5703 }, /* BCM95703Ax1 */
10952 { PCI_VENDOR_ID_BROADCOM, 0x8009, PHY_ID_BCM5703 }, /* BCM95703Ax2 */
10955 { PCI_VENDOR_ID_3COM, 0x1000, PHY_ID_BCM5401 }, /* 3C996T */
10956 { PCI_VENDOR_ID_3COM, 0x1006, PHY_ID_BCM5701 }, /* 3C996BT */
10957 { PCI_VENDOR_ID_3COM, 0x1004, 0 }, /* 3C996SX */
10958 { PCI_VENDOR_ID_3COM, 0x1007, PHY_ID_BCM5701 }, /* 3C1000T */
10959 { PCI_VENDOR_ID_3COM, 0x1008, PHY_ID_BCM5701 }, /* 3C940BR01 */
10962 { PCI_VENDOR_ID_DELL, 0x00d1, PHY_ID_BCM5401 }, /* VIPER */
10963 { PCI_VENDOR_ID_DELL, 0x0106, PHY_ID_BCM5401 }, /* JAGUAR */
10964 { PCI_VENDOR_ID_DELL, 0x0109, PHY_ID_BCM5411 }, /* MERLOT */
10965 { PCI_VENDOR_ID_DELL, 0x010a, PHY_ID_BCM5411 }, /* SLIM_MERLOT */
10967 /* Compaq boards. */
10968 { PCI_VENDOR_ID_COMPAQ, 0x007c, PHY_ID_BCM5701 }, /* BANSHEE */
10969 { PCI_VENDOR_ID_COMPAQ, 0x009a, PHY_ID_BCM5701 }, /* BANSHEE_2 */
10970 { PCI_VENDOR_ID_COMPAQ, 0x007d, 0 }, /* CHANGELING */
10971 { PCI_VENDOR_ID_COMPAQ, 0x0085, PHY_ID_BCM5701 }, /* NC7780 */
10972 { PCI_VENDOR_ID_COMPAQ, 0x0099, PHY_ID_BCM5701 }, /* NC7780_2 */
10975 { PCI_VENDOR_ID_IBM, 0x0281, 0 } /* IBM??? */
10978 static inline struct subsys_tbl_ent *lookup_by_subsys(struct tg3 *tp)
10982 for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
10983 if ((subsys_id_to_phy_id[i].subsys_vendor ==
10984 tp->pdev->subsystem_vendor) &&
10985 (subsys_id_to_phy_id[i].subsys_devid ==
10986 tp->pdev->subsystem_device))
10987 return &subsys_id_to_phy_id[i];
10992 static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
10997 /* On some early chips the SRAM cannot be accessed in D3hot state,
10998 * so need make sure we're in D0.
11000 pci_read_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, &pmcsr);
11001 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
11002 pci_write_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, pmcsr);
11005 /* Make sure register accesses (indirect or otherwise)
11006 * will function correctly.
11008 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
11009 tp->misc_host_ctrl);
11011 /* The memory arbiter has to be enabled in order for SRAM accesses
11012 * to succeed. Normally on powerup the tg3 chip firmware will make
11013 * sure it is enabled, but other entities such as system netboot
11014 * code might disable it.
11016 val = tr32(MEMARB_MODE);
11017 tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
11019 tp->phy_id = PHY_ID_INVALID;
11020 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
11022 /* Assume an onboard device and WOL capable by default. */
11023 tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT | TG3_FLAG_WOL_CAP;
11025 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
11026 if (!(tr32(PCIE_TRANSACTION_CFG) & PCIE_TRANS_CFG_LOM)) {
11027 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
11028 tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
11030 val = tr32(VCPU_CFGSHDW);
11031 if (val & VCPU_CFGSHDW_ASPM_DBNC)
11032 tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
11033 if ((val & VCPU_CFGSHDW_WOL_ENABLE) &&
11034 (val & VCPU_CFGSHDW_WOL_MAGPKT))
11035 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
11039 tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
11040 if (val == NIC_SRAM_DATA_SIG_MAGIC) {
11041 u32 nic_cfg, led_cfg;
11042 u32 nic_phy_id, ver, cfg2 = 0, cfg4 = 0, eeprom_phy_id;
11043 int eeprom_phy_serdes = 0;
11045 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
11046 tp->nic_sram_data_cfg = nic_cfg;
11048 tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
11049 ver >>= NIC_SRAM_DATA_VER_SHIFT;
11050 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
11051 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
11052 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5703) &&
11053 (ver > 0) && (ver < 0x100))
11054 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
11056 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
11057 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_4, &cfg4);
11059 if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
11060 NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
11061 eeprom_phy_serdes = 1;
11063 tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
11064 if (nic_phy_id != 0) {
11065 u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
11066 u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
11068 eeprom_phy_id = (id1 >> 16) << 10;
11069 eeprom_phy_id |= (id2 & 0xfc00) << 16;
11070 eeprom_phy_id |= (id2 & 0x03ff) << 0;
11074 tp->phy_id = eeprom_phy_id;
11075 if (eeprom_phy_serdes) {
11076 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
11077 tp->tg3_flags2 |= TG3_FLG2_MII_SERDES;
11079 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
11082 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
11083 led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
11084 SHASTA_EXT_LED_MODE_MASK);
11086 led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
11090 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
11091 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
11094 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
11095 tp->led_ctrl = LED_CTRL_MODE_PHY_2;
11098 case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
11099 tp->led_ctrl = LED_CTRL_MODE_MAC;
11101 /* Default to PHY_1_MODE if 0 (MAC_MODE) is
11102 * read on some older 5700/5701 bootcode.
11104 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
11106 GET_ASIC_REV(tp->pci_chip_rev_id) ==
11108 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
11112 case SHASTA_EXT_LED_SHARED:
11113 tp->led_ctrl = LED_CTRL_MODE_SHARED;
11114 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
11115 tp->pci_chip_rev_id != CHIPREV_ID_5750_A1)
11116 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
11117 LED_CTRL_MODE_PHY_2);
11120 case SHASTA_EXT_LED_MAC:
11121 tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
11124 case SHASTA_EXT_LED_COMBO:
11125 tp->led_ctrl = LED_CTRL_MODE_COMBO;
11126 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0)
11127 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
11128 LED_CTRL_MODE_PHY_2);
11133 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
11134 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) &&
11135 tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
11136 tp->led_ctrl = LED_CTRL_MODE_PHY_2;
11138 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX)
11139 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
11141 if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP) {
11142 tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
11143 if ((tp->pdev->subsystem_vendor ==
11144 PCI_VENDOR_ID_ARIMA) &&
11145 (tp->pdev->subsystem_device == 0x205a ||
11146 tp->pdev->subsystem_device == 0x2063))
11147 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
11149 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
11150 tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
11153 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
11154 tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
11155 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
11156 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
11159 if ((nic_cfg & NIC_SRAM_DATA_CFG_APE_ENABLE) &&
11160 (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
11161 tp->tg3_flags3 |= TG3_FLG3_ENABLE_APE;
11163 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES &&
11164 !(nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL))
11165 tp->tg3_flags &= ~TG3_FLAG_WOL_CAP;
11167 if ((tp->tg3_flags & TG3_FLAG_WOL_CAP) &&
11168 (nic_cfg & NIC_SRAM_DATA_CFG_WOL_ENABLE))
11169 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
11171 if (cfg2 & (1 << 17))
11172 tp->tg3_flags2 |= TG3_FLG2_CAPACITIVE_COUPLING;
11174 /* serdes signal pre-emphasis in register 0x590 set by */
11175 /* bootcode if bit 18 is set */
11176 if (cfg2 & (1 << 18))
11177 tp->tg3_flags2 |= TG3_FLG2_SERDES_PREEMPHASIS;
11179 if (((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
11180 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX)) &&
11181 (cfg2 & NIC_SRAM_DATA_CFG_2_APD_EN))
11182 tp->tg3_flags3 |= TG3_FLG3_PHY_ENABLE_APD;
11184 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11187 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_3, &cfg3);
11188 if (cfg3 & NIC_SRAM_ASPM_DEBOUNCE)
11189 tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
11192 if (cfg4 & NIC_SRAM_RGMII_STD_IBND_DISABLE)
11193 tp->tg3_flags3 |= TG3_FLG3_RGMII_STD_IBND_DISABLE;
11194 if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_RX_EN)
11195 tp->tg3_flags3 |= TG3_FLG3_RGMII_EXT_IBND_RX_EN;
11196 if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_TX_EN)
11197 tp->tg3_flags3 |= TG3_FLG3_RGMII_EXT_IBND_TX_EN;
11200 device_init_wakeup(&tp->pdev->dev, tp->tg3_flags & TG3_FLAG_WOL_CAP);
11201 device_set_wakeup_enable(&tp->pdev->dev,
11202 tp->tg3_flags & TG3_FLAG_WOL_ENABLE);
11205 static int __devinit tg3_issue_otp_command(struct tg3 *tp, u32 cmd)
11210 tw32(OTP_CTRL, cmd | OTP_CTRL_OTP_CMD_START);
11211 tw32(OTP_CTRL, cmd);
11213 /* Wait for up to 1 ms for command to execute. */
11214 for (i = 0; i < 100; i++) {
11215 val = tr32(OTP_STATUS);
11216 if (val & OTP_STATUS_CMD_DONE)
11221 return (val & OTP_STATUS_CMD_DONE) ? 0 : -EBUSY;
11224 /* Read the gphy configuration from the OTP region of the chip. The gphy
11225 * configuration is a 32-bit value that straddles the alignment boundary.
11226 * We do two 32-bit reads and then shift and merge the results.
11228 static u32 __devinit tg3_read_otp_phycfg(struct tg3 *tp)
11230 u32 bhalf_otp, thalf_otp;
11232 tw32(OTP_MODE, OTP_MODE_OTP_THRU_GRC);
11234 if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_INIT))
11237 tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC1);
11239 if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ))
11242 thalf_otp = tr32(OTP_READ_DATA);
11244 tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC2);
11246 if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ))
11249 bhalf_otp = tr32(OTP_READ_DATA);
11251 return ((thalf_otp & 0x0000ffff) << 16) | (bhalf_otp >> 16);
11254 static int __devinit tg3_phy_probe(struct tg3 *tp)
11256 u32 hw_phy_id_1, hw_phy_id_2;
11257 u32 hw_phy_id, hw_phy_id_masked;
11260 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)
11261 return tg3_phy_init(tp);
11263 /* Reading the PHY ID register can conflict with ASF
11264 * firmware access to the PHY hardware.
11267 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
11268 (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
11269 hw_phy_id = hw_phy_id_masked = PHY_ID_INVALID;
11271 /* Now read the physical PHY_ID from the chip and verify
11272 * that it is sane. If it doesn't look good, we fall back
11273 * to either the hard-coded table based PHY_ID and failing
11274 * that the value found in the eeprom area.
11276 err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
11277 err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
11279 hw_phy_id = (hw_phy_id_1 & 0xffff) << 10;
11280 hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
11281 hw_phy_id |= (hw_phy_id_2 & 0x03ff) << 0;
11283 hw_phy_id_masked = hw_phy_id & PHY_ID_MASK;
11286 if (!err && KNOWN_PHY_ID(hw_phy_id_masked)) {
11287 tp->phy_id = hw_phy_id;
11288 if (hw_phy_id_masked == PHY_ID_BCM8002)
11289 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
11291 tp->tg3_flags2 &= ~TG3_FLG2_PHY_SERDES;
11293 if (tp->phy_id != PHY_ID_INVALID) {
11294 /* Do nothing, phy ID already set up in
11295 * tg3_get_eeprom_hw_cfg().
11298 struct subsys_tbl_ent *p;
11300 /* No eeprom signature? Try the hardcoded
11301 * subsys device table.
11303 p = lookup_by_subsys(tp);
11307 tp->phy_id = p->phy_id;
11309 tp->phy_id == PHY_ID_BCM8002)
11310 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
11314 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) &&
11315 !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) &&
11316 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
11317 u32 bmsr, adv_reg, tg3_ctrl, mask;
11319 tg3_readphy(tp, MII_BMSR, &bmsr);
11320 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
11321 (bmsr & BMSR_LSTATUS))
11322 goto skip_phy_reset;
11324 err = tg3_phy_reset(tp);
11328 adv_reg = (ADVERTISE_10HALF | ADVERTISE_10FULL |
11329 ADVERTISE_100HALF | ADVERTISE_100FULL |
11330 ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
11332 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
11333 tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF |
11334 MII_TG3_CTRL_ADV_1000_FULL);
11335 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
11336 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
11337 tg3_ctrl |= (MII_TG3_CTRL_AS_MASTER |
11338 MII_TG3_CTRL_ENABLE_AS_MASTER);
11341 mask = (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
11342 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
11343 ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full);
11344 if (!tg3_copper_is_advertising_all(tp, mask)) {
11345 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
11347 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
11348 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
11350 tg3_writephy(tp, MII_BMCR,
11351 BMCR_ANENABLE | BMCR_ANRESTART);
11353 tg3_phy_set_wirespeed(tp);
11355 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
11356 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
11357 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
11361 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
11362 err = tg3_init_5401phy_dsp(tp);
11367 if (!err && ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)) {
11368 err = tg3_init_5401phy_dsp(tp);
11371 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
11372 tp->link_config.advertising =
11373 (ADVERTISED_1000baseT_Half |
11374 ADVERTISED_1000baseT_Full |
11375 ADVERTISED_Autoneg |
11377 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
11378 tp->link_config.advertising &=
11379 ~(ADVERTISED_1000baseT_Half |
11380 ADVERTISED_1000baseT_Full);
11385 static void __devinit tg3_read_partno(struct tg3 *tp)
11387 unsigned char vpd_data[256]; /* in little-endian format */
11391 if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
11392 tg3_nvram_read(tp, 0x0, &magic))
11393 goto out_not_found;
11395 if (magic == TG3_EEPROM_MAGIC) {
11396 for (i = 0; i < 256; i += 4) {
11399 /* The data is in little-endian format in NVRAM.
11400 * Use the big-endian read routines to preserve
11401 * the byte order as it exists in NVRAM.
11403 if (tg3_nvram_read_be32(tp, 0x100 + i, &tmp))
11404 goto out_not_found;
11406 memcpy(&vpd_data[i], &tmp, sizeof(tmp));
11411 vpd_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_VPD);
11412 for (i = 0; i < 256; i += 4) {
11417 pci_write_config_word(tp->pdev, vpd_cap + PCI_VPD_ADDR,
11419 while (j++ < 100) {
11420 pci_read_config_word(tp->pdev, vpd_cap +
11421 PCI_VPD_ADDR, &tmp16);
11422 if (tmp16 & 0x8000)
11426 if (!(tmp16 & 0x8000))
11427 goto out_not_found;
11429 pci_read_config_dword(tp->pdev, vpd_cap + PCI_VPD_DATA,
11431 v = cpu_to_le32(tmp);
11432 memcpy(&vpd_data[i], &v, sizeof(v));
11436 /* Now parse and find the part number. */
11437 for (i = 0; i < 254; ) {
11438 unsigned char val = vpd_data[i];
11439 unsigned int block_end;
11441 if (val == 0x82 || val == 0x91) {
11444 (vpd_data[i + 2] << 8)));
11449 goto out_not_found;
11451 block_end = (i + 3 +
11453 (vpd_data[i + 2] << 8)));
11456 if (block_end > 256)
11457 goto out_not_found;
11459 while (i < (block_end - 2)) {
11460 if (vpd_data[i + 0] == 'P' &&
11461 vpd_data[i + 1] == 'N') {
11462 int partno_len = vpd_data[i + 2];
11465 if (partno_len > 24 || (partno_len + i) > 256)
11466 goto out_not_found;
11468 memcpy(tp->board_part_number,
11469 &vpd_data[i], partno_len);
11474 i += 3 + vpd_data[i + 2];
11477 /* Part number not found. */
11478 goto out_not_found;
11482 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
11483 strcpy(tp->board_part_number, "BCM95906");
11484 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
11485 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57780)
11486 strcpy(tp->board_part_number, "BCM57780");
11487 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
11488 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57760)
11489 strcpy(tp->board_part_number, "BCM57760");
11490 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
11491 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57790)
11492 strcpy(tp->board_part_number, "BCM57790");
11494 strcpy(tp->board_part_number, "none");
11497 static int __devinit tg3_fw_img_is_valid(struct tg3 *tp, u32 offset)
11501 if (tg3_nvram_read(tp, offset, &val) ||
11502 (val & 0xfc000000) != 0x0c000000 ||
11503 tg3_nvram_read(tp, offset + 4, &val) ||
11510 static void __devinit tg3_read_bc_ver(struct tg3 *tp)
11512 u32 val, offset, start, ver_offset;
11514 bool newver = false;
11516 if (tg3_nvram_read(tp, 0xc, &offset) ||
11517 tg3_nvram_read(tp, 0x4, &start))
11520 offset = tg3_nvram_logical_addr(tp, offset);
11522 if (tg3_nvram_read(tp, offset, &val))
11525 if ((val & 0xfc000000) == 0x0c000000) {
11526 if (tg3_nvram_read(tp, offset + 4, &val))
11534 if (tg3_nvram_read(tp, offset + 8, &ver_offset))
11537 offset = offset + ver_offset - start;
11538 for (i = 0; i < 16; i += 4) {
11540 if (tg3_nvram_read_be32(tp, offset + i, &v))
11543 memcpy(tp->fw_ver + i, &v, sizeof(v));
11548 if (tg3_nvram_read(tp, TG3_NVM_PTREV_BCVER, &ver_offset))
11551 major = (ver_offset & TG3_NVM_BCVER_MAJMSK) >>
11552 TG3_NVM_BCVER_MAJSFT;
11553 minor = ver_offset & TG3_NVM_BCVER_MINMSK;
11554 snprintf(&tp->fw_ver[0], 32, "v%d.%02d", major, minor);
11558 static void __devinit tg3_read_hwsb_ver(struct tg3 *tp)
11560 u32 val, major, minor;
11562 /* Use native endian representation */
11563 if (tg3_nvram_read(tp, TG3_NVM_HWSB_CFG1, &val))
11566 major = (val & TG3_NVM_HWSB_CFG1_MAJMSK) >>
11567 TG3_NVM_HWSB_CFG1_MAJSFT;
11568 minor = (val & TG3_NVM_HWSB_CFG1_MINMSK) >>
11569 TG3_NVM_HWSB_CFG1_MINSFT;
11571 snprintf(&tp->fw_ver[0], 32, "sb v%d.%02d", major, minor);
11574 static void __devinit tg3_read_sb_ver(struct tg3 *tp, u32 val)
11576 u32 offset, major, minor, build;
11578 tp->fw_ver[0] = 's';
11579 tp->fw_ver[1] = 'b';
11580 tp->fw_ver[2] = '\0';
11582 if ((val & TG3_EEPROM_SB_FORMAT_MASK) != TG3_EEPROM_SB_FORMAT_1)
11585 switch (val & TG3_EEPROM_SB_REVISION_MASK) {
11586 case TG3_EEPROM_SB_REVISION_0:
11587 offset = TG3_EEPROM_SB_F1R0_EDH_OFF;
11589 case TG3_EEPROM_SB_REVISION_2:
11590 offset = TG3_EEPROM_SB_F1R2_EDH_OFF;
11592 case TG3_EEPROM_SB_REVISION_3:
11593 offset = TG3_EEPROM_SB_F1R3_EDH_OFF;
11599 if (tg3_nvram_read(tp, offset, &val))
11602 build = (val & TG3_EEPROM_SB_EDH_BLD_MASK) >>
11603 TG3_EEPROM_SB_EDH_BLD_SHFT;
11604 major = (val & TG3_EEPROM_SB_EDH_MAJ_MASK) >>
11605 TG3_EEPROM_SB_EDH_MAJ_SHFT;
11606 minor = val & TG3_EEPROM_SB_EDH_MIN_MASK;
11608 if (minor > 99 || build > 26)
11611 snprintf(&tp->fw_ver[2], 30, " v%d.%02d", major, minor);
11614 tp->fw_ver[8] = 'a' + build - 1;
11615 tp->fw_ver[9] = '\0';
11619 static void __devinit tg3_read_mgmtfw_ver(struct tg3 *tp)
11621 u32 val, offset, start;
11624 for (offset = TG3_NVM_DIR_START;
11625 offset < TG3_NVM_DIR_END;
11626 offset += TG3_NVM_DIRENT_SIZE) {
11627 if (tg3_nvram_read(tp, offset, &val))
11630 if ((val >> TG3_NVM_DIRTYPE_SHIFT) == TG3_NVM_DIRTYPE_ASFINI)
11634 if (offset == TG3_NVM_DIR_END)
11637 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
11638 start = 0x08000000;
11639 else if (tg3_nvram_read(tp, offset - 4, &start))
11642 if (tg3_nvram_read(tp, offset + 4, &offset) ||
11643 !tg3_fw_img_is_valid(tp, offset) ||
11644 tg3_nvram_read(tp, offset + 8, &val))
11647 offset += val - start;
11649 vlen = strlen(tp->fw_ver);
11651 tp->fw_ver[vlen++] = ',';
11652 tp->fw_ver[vlen++] = ' ';
11654 for (i = 0; i < 4; i++) {
11656 if (tg3_nvram_read_be32(tp, offset, &v))
11659 offset += sizeof(v);
11661 if (vlen > TG3_VER_SIZE - sizeof(v)) {
11662 memcpy(&tp->fw_ver[vlen], &v, TG3_VER_SIZE - vlen);
11666 memcpy(&tp->fw_ver[vlen], &v, sizeof(v));
11671 static void __devinit tg3_read_dash_ver(struct tg3 *tp)
11676 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) ||
11677 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
11680 apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
11681 if (apedata != APE_SEG_SIG_MAGIC)
11684 apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
11685 if (!(apedata & APE_FW_STATUS_READY))
11688 apedata = tg3_ape_read32(tp, TG3_APE_FW_VERSION);
11690 vlen = strlen(tp->fw_ver);
11692 snprintf(&tp->fw_ver[vlen], TG3_VER_SIZE - vlen, " DASH v%d.%d.%d.%d",
11693 (apedata & APE_FW_VERSION_MAJMSK) >> APE_FW_VERSION_MAJSFT,
11694 (apedata & APE_FW_VERSION_MINMSK) >> APE_FW_VERSION_MINSFT,
11695 (apedata & APE_FW_VERSION_REVMSK) >> APE_FW_VERSION_REVSFT,
11696 (apedata & APE_FW_VERSION_BLDMSK));
11699 static void __devinit tg3_read_fw_ver(struct tg3 *tp)
11703 if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) {
11704 tp->fw_ver[0] = 's';
11705 tp->fw_ver[1] = 'b';
11706 tp->fw_ver[2] = '\0';
11711 if (tg3_nvram_read(tp, 0, &val))
11714 if (val == TG3_EEPROM_MAGIC)
11715 tg3_read_bc_ver(tp);
11716 else if ((val & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW)
11717 tg3_read_sb_ver(tp, val);
11718 else if ((val & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
11719 tg3_read_hwsb_ver(tp);
11723 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
11724 (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
11727 tg3_read_mgmtfw_ver(tp);
11729 tp->fw_ver[TG3_VER_SIZE - 1] = 0;
11732 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *);
11734 static int __devinit tg3_get_invariants(struct tg3 *tp)
11736 static struct pci_device_id write_reorder_chipsets[] = {
11737 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
11738 PCI_DEVICE_ID_AMD_FE_GATE_700C) },
11739 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
11740 PCI_DEVICE_ID_AMD_8131_BRIDGE) },
11741 { PCI_DEVICE(PCI_VENDOR_ID_VIA,
11742 PCI_DEVICE_ID_VIA_8385_0) },
11746 u32 pci_state_reg, grc_misc_cfg;
11751 /* Force memory write invalidate off. If we leave it on,
11752 * then on 5700_BX chips we have to enable a workaround.
11753 * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
11754 * to match the cacheline size. The Broadcom driver have this
11755 * workaround but turns MWI off all the times so never uses
11756 * it. This seems to suggest that the workaround is insufficient.
11758 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
11759 pci_cmd &= ~PCI_COMMAND_INVALIDATE;
11760 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
11762 /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL
11763 * has the register indirect write enable bit set before
11764 * we try to access any of the MMIO registers. It is also
11765 * critical that the PCI-X hw workaround situation is decided
11766 * before that as well.
11768 pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
11771 tp->pci_chip_rev_id = (misc_ctrl_reg >>
11772 MISC_HOST_CTRL_CHIPREV_SHIFT);
11773 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_USE_PROD_ID_REG) {
11774 u32 prod_id_asic_rev;
11776 pci_read_config_dword(tp->pdev, TG3PCI_PRODID_ASICREV,
11777 &prod_id_asic_rev);
11778 tp->pci_chip_rev_id = prod_id_asic_rev;
11781 /* Wrong chip ID in 5752 A0. This code can be removed later
11782 * as A0 is not in production.
11784 if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
11785 tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
11787 /* If we have 5702/03 A1 or A2 on certain ICH chipsets,
11788 * we need to disable memory and use config. cycles
11789 * only to access all registers. The 5702/03 chips
11790 * can mistakenly decode the special cycles from the
11791 * ICH chipsets as memory write cycles, causing corruption
11792 * of register and memory space. Only certain ICH bridges
11793 * will drive special cycles with non-zero data during the
11794 * address phase which can fall within the 5703's address
11795 * range. This is not an ICH bug as the PCI spec allows
11796 * non-zero address during special cycles. However, only
11797 * these ICH bridges are known to drive non-zero addresses
11798 * during special cycles.
11800 * Since special cycles do not cross PCI bridges, we only
11801 * enable this workaround if the 5703 is on the secondary
11802 * bus of these ICH bridges.
11804 if ((tp->pci_chip_rev_id == CHIPREV_ID_5703_A1) ||
11805 (tp->pci_chip_rev_id == CHIPREV_ID_5703_A2)) {
11806 static struct tg3_dev_id {
11810 } ich_chipsets[] = {
11811 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_8,
11813 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_8,
11815 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_11,
11817 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_6,
11821 struct tg3_dev_id *pci_id = &ich_chipsets[0];
11822 struct pci_dev *bridge = NULL;
11824 while (pci_id->vendor != 0) {
11825 bridge = pci_get_device(pci_id->vendor, pci_id->device,
11831 if (pci_id->rev != PCI_ANY_ID) {
11832 if (bridge->revision > pci_id->rev)
11835 if (bridge->subordinate &&
11836 (bridge->subordinate->number ==
11837 tp->pdev->bus->number)) {
11839 tp->tg3_flags2 |= TG3_FLG2_ICH_WORKAROUND;
11840 pci_dev_put(bridge);
11846 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
11847 static struct tg3_dev_id {
11850 } bridge_chipsets[] = {
11851 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_0 },
11852 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_1 },
11855 struct tg3_dev_id *pci_id = &bridge_chipsets[0];
11856 struct pci_dev *bridge = NULL;
11858 while (pci_id->vendor != 0) {
11859 bridge = pci_get_device(pci_id->vendor,
11866 if (bridge->subordinate &&
11867 (bridge->subordinate->number <=
11868 tp->pdev->bus->number) &&
11869 (bridge->subordinate->subordinate >=
11870 tp->pdev->bus->number)) {
11871 tp->tg3_flags3 |= TG3_FLG3_5701_DMA_BUG;
11872 pci_dev_put(bridge);
11878 /* The EPB bridge inside 5714, 5715, and 5780 cannot support
11879 * DMA addresses > 40-bit. This bridge may have other additional
11880 * 57xx devices behind it in some 4-port NIC designs for example.
11881 * Any tg3 device found behind the bridge will also need the 40-bit
11884 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 ||
11885 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
11886 tp->tg3_flags2 |= TG3_FLG2_5780_CLASS;
11887 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
11888 tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
11891 struct pci_dev *bridge = NULL;
11894 bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
11895 PCI_DEVICE_ID_SERVERWORKS_EPB,
11897 if (bridge && bridge->subordinate &&
11898 (bridge->subordinate->number <=
11899 tp->pdev->bus->number) &&
11900 (bridge->subordinate->subordinate >=
11901 tp->pdev->bus->number)) {
11902 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
11903 pci_dev_put(bridge);
11909 /* Initialize misc host control in PCI block. */
11910 tp->misc_host_ctrl |= (misc_ctrl_reg &
11911 MISC_HOST_CTRL_CHIPREV);
11912 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
11913 tp->misc_host_ctrl);
11915 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
11916 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714))
11917 tp->pdev_peer = tg3_find_peer(tp);
11919 /* Intentionally exclude ASIC_REV_5906 */
11920 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
11921 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
11922 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
11923 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
11924 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
11925 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
11926 tp->tg3_flags3 |= TG3_FLG3_5755_PLUS;
11928 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
11929 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
11930 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
11931 (tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
11932 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
11933 tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
11935 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
11936 (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
11937 tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
11939 /* 5700 B0 chips do not support checksumming correctly due
11940 * to hardware bugs.
11942 if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
11943 tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
11945 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
11946 tp->dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
11947 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
11948 tp->dev->features |= NETIF_F_IPV6_CSUM;
11951 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
11952 tp->tg3_flags |= TG3_FLAG_SUPPORT_MSI;
11953 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX ||
11954 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX ||
11955 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 &&
11956 tp->pci_chip_rev_id <= CHIPREV_ID_5714_A2 &&
11957 tp->pdev_peer == tp->pdev))
11958 tp->tg3_flags &= ~TG3_FLAG_SUPPORT_MSI;
11960 if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
11961 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
11962 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
11963 tp->tg3_flags2 |= TG3_FLG2_1SHOT_MSI;
11965 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1 | TG3_FLG2_TSO_BUG;
11966 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
11968 tp->pci_chip_rev_id >= CHIPREV_ID_5750_C2)
11969 tp->tg3_flags2 &= ~TG3_FLG2_TSO_BUG;
11973 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
11974 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
11975 tp->tg3_flags2 |= TG3_FLG2_JUMBO_CAPABLE;
11977 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
11980 tp->pcie_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_EXP);
11981 if (tp->pcie_cap != 0) {
11984 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
11986 pcie_set_readrq(tp->pdev, 4096);
11988 pci_read_config_word(tp->pdev,
11989 tp->pcie_cap + PCI_EXP_LNKCTL,
11991 if (lnkctl & PCI_EXP_LNKCTL_CLKREQ_EN) {
11992 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
11993 tp->tg3_flags2 &= ~TG3_FLG2_HW_TSO_2;
11994 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
11995 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
11996 tp->pci_chip_rev_id == CHIPREV_ID_57780_A0 ||
11997 tp->pci_chip_rev_id == CHIPREV_ID_57780_A1)
11998 tp->tg3_flags3 |= TG3_FLG3_CLKREQ_BUG;
12000 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) {
12001 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
12002 } else if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
12003 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
12004 tp->pcix_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_PCIX);
12005 if (!tp->pcix_cap) {
12006 printk(KERN_ERR PFX "Cannot find PCI-X "
12007 "capability, aborting.\n");
12011 if (!(pci_state_reg & PCISTATE_CONV_PCI_MODE))
12012 tp->tg3_flags |= TG3_FLAG_PCIX_MODE;
12015 /* If we have an AMD 762 or VIA K8T800 chipset, write
12016 * reordering to the mailbox registers done by the host
12017 * controller can cause major troubles. We read back from
12018 * every mailbox register write to force the writes to be
12019 * posted to the chip in order.
12021 if (pci_dev_present(write_reorder_chipsets) &&
12022 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
12023 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
12025 pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
12026 &tp->pci_cacheline_sz);
12027 pci_read_config_byte(tp->pdev, PCI_LATENCY_TIMER,
12028 &tp->pci_lat_timer);
12029 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
12030 tp->pci_lat_timer < 64) {
12031 tp->pci_lat_timer = 64;
12032 pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
12033 tp->pci_lat_timer);
12036 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) {
12037 /* 5700 BX chips need to have their TX producer index
12038 * mailboxes written twice to workaround a bug.
12040 tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
12042 /* If we are in PCI-X mode, enable register write workaround.
12044 * The workaround is to use indirect register accesses
12045 * for all chip writes not to mailbox registers.
12047 if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
12050 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
12052 /* The chip can have it's power management PCI config
12053 * space registers clobbered due to this bug.
12054 * So explicitly force the chip into D0 here.
12056 pci_read_config_dword(tp->pdev,
12057 tp->pm_cap + PCI_PM_CTRL,
12059 pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
12060 pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
12061 pci_write_config_dword(tp->pdev,
12062 tp->pm_cap + PCI_PM_CTRL,
12065 /* Also, force SERR#/PERR# in PCI command. */
12066 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
12067 pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
12068 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
12072 if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
12073 tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED;
12074 if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
12075 tp->tg3_flags |= TG3_FLAG_PCI_32BIT;
12077 /* Chip-specific fixup from Broadcom driver */
12078 if ((tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) &&
12079 (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
12080 pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
12081 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
12084 /* Default fast path register access methods */
12085 tp->read32 = tg3_read32;
12086 tp->write32 = tg3_write32;
12087 tp->read32_mbox = tg3_read32;
12088 tp->write32_mbox = tg3_write32;
12089 tp->write32_tx_mbox = tg3_write32;
12090 tp->write32_rx_mbox = tg3_write32;
12092 /* Various workaround register access methods */
12093 if (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG)
12094 tp->write32 = tg3_write_indirect_reg32;
12095 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
12096 ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
12097 tp->pci_chip_rev_id == CHIPREV_ID_5750_A0)) {
12099 * Back to back register writes can cause problems on these
12100 * chips, the workaround is to read back all reg writes
12101 * except those to mailbox regs.
12103 * See tg3_write_indirect_reg32().
12105 tp->write32 = tg3_write_flush_reg32;
12109 if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) ||
12110 (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) {
12111 tp->write32_tx_mbox = tg3_write32_tx_mbox;
12112 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
12113 tp->write32_rx_mbox = tg3_write_flush_reg32;
12116 if (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND) {
12117 tp->read32 = tg3_read_indirect_reg32;
12118 tp->write32 = tg3_write_indirect_reg32;
12119 tp->read32_mbox = tg3_read_indirect_mbox;
12120 tp->write32_mbox = tg3_write_indirect_mbox;
12121 tp->write32_tx_mbox = tg3_write_indirect_mbox;
12122 tp->write32_rx_mbox = tg3_write_indirect_mbox;
12127 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
12128 pci_cmd &= ~PCI_COMMAND_MEMORY;
12129 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
12131 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
12132 tp->read32_mbox = tg3_read32_mbox_5906;
12133 tp->write32_mbox = tg3_write32_mbox_5906;
12134 tp->write32_tx_mbox = tg3_write32_mbox_5906;
12135 tp->write32_rx_mbox = tg3_write32_mbox_5906;
12138 if (tp->write32 == tg3_write_indirect_reg32 ||
12139 ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
12140 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
12141 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)))
12142 tp->tg3_flags |= TG3_FLAG_SRAM_USE_CONFIG;
12144 /* Get eeprom hw config before calling tg3_set_power_state().
12145 * In particular, the TG3_FLG2_IS_NIC flag must be
12146 * determined before calling tg3_set_power_state() so that
12147 * we know whether or not to switch out of Vaux power.
12148 * When the flag is set, it means that GPIO1 is used for eeprom
12149 * write protect and also implies that it is a LOM where GPIOs
12150 * are not used to switch power.
12152 tg3_get_eeprom_hw_cfg(tp);
12154 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
12155 /* Allow reads and writes to the
12156 * APE register and memory space.
12158 pci_state_reg |= PCISTATE_ALLOW_APE_CTLSPC_WR |
12159 PCISTATE_ALLOW_APE_SHMEM_WR;
12160 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE,
12164 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
12165 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
12166 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
12167 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
12168 tp->tg3_flags |= TG3_FLAG_CPMU_PRESENT;
12170 /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
12171 * GPIO1 driven high will bring 5700's external PHY out of reset.
12172 * It is also used as eeprom write protect on LOMs.
12174 tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
12175 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
12176 (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
12177 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
12178 GRC_LCLCTRL_GPIO_OUTPUT1);
12179 /* Unused GPIO3 must be driven as output on 5752 because there
12180 * are no pull-up resistors on unused GPIO pins.
12182 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
12183 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
12185 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
12186 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
12187 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
12189 if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761 ||
12190 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761S) {
12191 /* Turn off the debug UART. */
12192 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
12193 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
12194 /* Keep VMain power. */
12195 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
12196 GRC_LCLCTRL_GPIO_OUTPUT0;
12199 /* Force the chip into D0. */
12200 err = tg3_set_power_state(tp, PCI_D0);
12202 printk(KERN_ERR PFX "(%s) transition to D0 failed\n",
12203 pci_name(tp->pdev));
12207 /* Derive initial jumbo mode from MTU assigned in
12208 * ether_setup() via the alloc_etherdev() call
12210 if (tp->dev->mtu > ETH_DATA_LEN &&
12211 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
12212 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
12214 /* Determine WakeOnLan speed to use. */
12215 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
12216 tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
12217 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0 ||
12218 tp->pci_chip_rev_id == CHIPREV_ID_5701_B2) {
12219 tp->tg3_flags &= ~(TG3_FLAG_WOL_SPEED_100MB);
12221 tp->tg3_flags |= TG3_FLAG_WOL_SPEED_100MB;
12224 /* A few boards don't want Ethernet@WireSpeed phy feature */
12225 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
12226 ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
12227 (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) &&
12228 (tp->pci_chip_rev_id != CHIPREV_ID_5705_A1)) ||
12229 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) ||
12230 (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
12231 tp->tg3_flags2 |= TG3_FLG2_NO_ETH_WIRE_SPEED;
12233 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5703_AX ||
12234 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_AX)
12235 tp->tg3_flags2 |= TG3_FLG2_PHY_ADC_BUG;
12236 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
12237 tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
12239 if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
12240 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906 &&
12241 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 &&
12242 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_57780) {
12243 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
12244 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
12245 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
12246 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761) {
12247 if (tp->pdev->device != PCI_DEVICE_ID_TIGON3_5756 &&
12248 tp->pdev->device != PCI_DEVICE_ID_TIGON3_5722)
12249 tp->tg3_flags2 |= TG3_FLG2_PHY_JITTER_BUG;
12250 if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5755M)
12251 tp->tg3_flags2 |= TG3_FLG2_PHY_ADJUST_TRIM;
12253 tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
12256 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
12257 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) {
12258 tp->phy_otp = tg3_read_otp_phycfg(tp);
12259 if (tp->phy_otp == 0)
12260 tp->phy_otp = TG3_OTP_DEFAULT;
12263 if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT)
12264 tp->mi_mode = MAC_MI_MODE_500KHZ_CONST;
12266 tp->mi_mode = MAC_MI_MODE_BASE;
12268 tp->coalesce_mode = 0;
12269 if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
12270 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX)
12271 tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
12273 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
12274 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
12275 tp->tg3_flags3 |= TG3_FLG3_USE_PHYLIB;
12277 err = tg3_mdio_init(tp);
12281 /* Initialize data/descriptor byte/word swapping. */
12282 val = tr32(GRC_MODE);
12283 val &= GRC_MODE_HOST_STACKUP;
12284 tw32(GRC_MODE, val | tp->grc_mode);
12286 tg3_switch_clocks(tp);
12288 /* Clear this out for sanity. */
12289 tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
12291 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
12293 if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
12294 (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) == 0) {
12295 u32 chiprevid = GET_CHIP_REV_ID(tp->misc_host_ctrl);
12297 if (chiprevid == CHIPREV_ID_5701_A0 ||
12298 chiprevid == CHIPREV_ID_5701_B0 ||
12299 chiprevid == CHIPREV_ID_5701_B2 ||
12300 chiprevid == CHIPREV_ID_5701_B5) {
12301 void __iomem *sram_base;
12303 /* Write some dummy words into the SRAM status block
12304 * area, see if it reads back correctly. If the return
12305 * value is bad, force enable the PCIX workaround.
12307 sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
12309 writel(0x00000000, sram_base);
12310 writel(0x00000000, sram_base + 4);
12311 writel(0xffffffff, sram_base + 4);
12312 if (readl(sram_base) != 0x00000000)
12313 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
12318 tg3_nvram_init(tp);
12320 grc_misc_cfg = tr32(GRC_MISC_CFG);
12321 grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
12323 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
12324 (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
12325 grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
12326 tp->tg3_flags2 |= TG3_FLG2_IS_5788;
12328 if (!(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
12329 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700))
12330 tp->tg3_flags |= TG3_FLAG_TAGGED_STATUS;
12331 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
12332 tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
12333 HOSTCC_MODE_CLRTICK_TXBD);
12335 tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
12336 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
12337 tp->misc_host_ctrl);
12340 /* Preserve the APE MAC_MODE bits */
12341 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
12342 tp->mac_mode = tr32(MAC_MODE) |
12343 MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN;
12345 tp->mac_mode = TG3_DEF_MAC_MODE;
12347 /* these are limited to 10/100 only */
12348 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
12349 (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
12350 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
12351 tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
12352 (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 ||
12353 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 ||
12354 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) ||
12355 (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
12356 (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F ||
12357 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F ||
12358 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5787F)) ||
12359 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57790 ||
12360 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
12361 tp->tg3_flags |= TG3_FLAG_10_100_ONLY;
12363 err = tg3_phy_probe(tp);
12365 printk(KERN_ERR PFX "(%s) phy probe failed, err %d\n",
12366 pci_name(tp->pdev), err);
12367 /* ... but do not return immediately ... */
12371 tg3_read_partno(tp);
12372 tg3_read_fw_ver(tp);
12374 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
12375 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
12377 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
12378 tp->tg3_flags |= TG3_FLAG_USE_MI_INTERRUPT;
12380 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
12383 /* 5700 {AX,BX} chips have a broken status block link
12384 * change bit implementation, so we must use the
12385 * status register in those cases.
12387 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
12388 tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
12390 tp->tg3_flags &= ~TG3_FLAG_USE_LINKCHG_REG;
12392 /* The led_ctrl is set during tg3_phy_probe, here we might
12393 * have to force the link status polling mechanism based
12394 * upon subsystem IDs.
12396 if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
12397 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
12398 !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
12399 tp->tg3_flags |= (TG3_FLAG_USE_MI_INTERRUPT |
12400 TG3_FLAG_USE_LINKCHG_REG);
12403 /* For all SERDES we poll the MAC status register. */
12404 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
12405 tp->tg3_flags |= TG3_FLAG_POLL_SERDES;
12407 tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
12409 tp->rx_offset = NET_IP_ALIGN;
12410 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
12411 (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0)
12414 tp->rx_std_max_post = TG3_RX_RING_SIZE;
12416 /* Increment the rx prod index on the rx std ring by at most
12417 * 8 for these chips to workaround hw errata.
12419 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
12420 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
12421 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
12422 tp->rx_std_max_post = 8;
12424 if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND)
12425 tp->pwrmgmt_thresh = tr32(PCIE_PWR_MGMT_THRESH) &
12426 PCIE_PWR_MGMT_L1_THRESH_MSK;
12431 #ifdef CONFIG_SPARC
12432 static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
12434 struct net_device *dev = tp->dev;
12435 struct pci_dev *pdev = tp->pdev;
12436 struct device_node *dp = pci_device_to_OF_node(pdev);
12437 const unsigned char *addr;
12440 addr = of_get_property(dp, "local-mac-address", &len);
12441 if (addr && len == 6) {
12442 memcpy(dev->dev_addr, addr, 6);
12443 memcpy(dev->perm_addr, dev->dev_addr, 6);
12449 static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp)
12451 struct net_device *dev = tp->dev;
12453 memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
12454 memcpy(dev->perm_addr, idprom->id_ethaddr, 6);
12459 static int __devinit tg3_get_device_address(struct tg3 *tp)
12461 struct net_device *dev = tp->dev;
12462 u32 hi, lo, mac_offset;
12465 #ifdef CONFIG_SPARC
12466 if (!tg3_get_macaddr_sparc(tp))
12471 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
12472 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
12473 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
12475 if (tg3_nvram_lock(tp))
12476 tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
12478 tg3_nvram_unlock(tp);
12480 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
12483 /* First try to get it from MAC address mailbox. */
12484 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
12485 if ((hi >> 16) == 0x484b) {
12486 dev->dev_addr[0] = (hi >> 8) & 0xff;
12487 dev->dev_addr[1] = (hi >> 0) & 0xff;
12489 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
12490 dev->dev_addr[2] = (lo >> 24) & 0xff;
12491 dev->dev_addr[3] = (lo >> 16) & 0xff;
12492 dev->dev_addr[4] = (lo >> 8) & 0xff;
12493 dev->dev_addr[5] = (lo >> 0) & 0xff;
12495 /* Some old bootcode may report a 0 MAC address in SRAM */
12496 addr_ok = is_valid_ether_addr(&dev->dev_addr[0]);
12499 /* Next, try NVRAM. */
12500 if (!(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) &&
12501 !tg3_nvram_read_be32(tp, mac_offset + 0, &hi) &&
12502 !tg3_nvram_read_be32(tp, mac_offset + 4, &lo)) {
12503 memcpy(&dev->dev_addr[0], ((char *)&hi) + 2, 2);
12504 memcpy(&dev->dev_addr[2], (char *)&lo, sizeof(lo));
12506 /* Finally just fetch it out of the MAC control regs. */
12508 hi = tr32(MAC_ADDR_0_HIGH);
12509 lo = tr32(MAC_ADDR_0_LOW);
12511 dev->dev_addr[5] = lo & 0xff;
12512 dev->dev_addr[4] = (lo >> 8) & 0xff;
12513 dev->dev_addr[3] = (lo >> 16) & 0xff;
12514 dev->dev_addr[2] = (lo >> 24) & 0xff;
12515 dev->dev_addr[1] = hi & 0xff;
12516 dev->dev_addr[0] = (hi >> 8) & 0xff;
12520 if (!is_valid_ether_addr(&dev->dev_addr[0])) {
12521 #ifdef CONFIG_SPARC
12522 if (!tg3_get_default_macaddr_sparc(tp))
12527 memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
12531 #define BOUNDARY_SINGLE_CACHELINE 1
12532 #define BOUNDARY_MULTI_CACHELINE 2
12534 static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
12536 int cacheline_size;
12540 pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
12542 cacheline_size = 1024;
12544 cacheline_size = (int) byte * 4;
12546 /* On 5703 and later chips, the boundary bits have no
12549 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
12550 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
12551 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
12554 #if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
12555 goal = BOUNDARY_MULTI_CACHELINE;
12557 #if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
12558 goal = BOUNDARY_SINGLE_CACHELINE;
12567 /* PCI controllers on most RISC systems tend to disconnect
12568 * when a device tries to burst across a cache-line boundary.
12569 * Therefore, letting tg3 do so just wastes PCI bandwidth.
12571 * Unfortunately, for PCI-E there are only limited
12572 * write-side controls for this, and thus for reads
12573 * we will still get the disconnects. We'll also waste
12574 * these PCI cycles for both read and write for chips
12575 * other than 5700 and 5701 which do not implement the
12578 if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
12579 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
12580 switch (cacheline_size) {
12585 if (goal == BOUNDARY_SINGLE_CACHELINE) {
12586 val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
12587 DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
12589 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
12590 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
12595 val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
12596 DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
12600 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
12601 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
12604 } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
12605 switch (cacheline_size) {
12609 if (goal == BOUNDARY_SINGLE_CACHELINE) {
12610 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
12611 val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
12617 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
12618 val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
12622 switch (cacheline_size) {
12624 if (goal == BOUNDARY_SINGLE_CACHELINE) {
12625 val |= (DMA_RWCTRL_READ_BNDRY_16 |
12626 DMA_RWCTRL_WRITE_BNDRY_16);
12631 if (goal == BOUNDARY_SINGLE_CACHELINE) {
12632 val |= (DMA_RWCTRL_READ_BNDRY_32 |
12633 DMA_RWCTRL_WRITE_BNDRY_32);
12638 if (goal == BOUNDARY_SINGLE_CACHELINE) {
12639 val |= (DMA_RWCTRL_READ_BNDRY_64 |
12640 DMA_RWCTRL_WRITE_BNDRY_64);
12645 if (goal == BOUNDARY_SINGLE_CACHELINE) {
12646 val |= (DMA_RWCTRL_READ_BNDRY_128 |
12647 DMA_RWCTRL_WRITE_BNDRY_128);
12652 val |= (DMA_RWCTRL_READ_BNDRY_256 |
12653 DMA_RWCTRL_WRITE_BNDRY_256);
12656 val |= (DMA_RWCTRL_READ_BNDRY_512 |
12657 DMA_RWCTRL_WRITE_BNDRY_512);
12661 val |= (DMA_RWCTRL_READ_BNDRY_1024 |
12662 DMA_RWCTRL_WRITE_BNDRY_1024);
12671 static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device)
12673 struct tg3_internal_buffer_desc test_desc;
12674 u32 sram_dma_descs;
12677 sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
12679 tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
12680 tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
12681 tw32(RDMAC_STATUS, 0);
12682 tw32(WDMAC_STATUS, 0);
12684 tw32(BUFMGR_MODE, 0);
12685 tw32(FTQ_RESET, 0);
12687 test_desc.addr_hi = ((u64) buf_dma) >> 32;
12688 test_desc.addr_lo = buf_dma & 0xffffffff;
12689 test_desc.nic_mbuf = 0x00002100;
12690 test_desc.len = size;
12693 * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
12694 * the *second* time the tg3 driver was getting loaded after an
12697 * Broadcom tells me:
12698 * ...the DMA engine is connected to the GRC block and a DMA
12699 * reset may affect the GRC block in some unpredictable way...
12700 * The behavior of resets to individual blocks has not been tested.
12702 * Broadcom noted the GRC reset will also reset all sub-components.
12705 test_desc.cqid_sqid = (13 << 8) | 2;
12707 tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
12710 test_desc.cqid_sqid = (16 << 8) | 7;
12712 tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
12715 test_desc.flags = 0x00000005;
12717 for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
12720 val = *(((u32 *)&test_desc) + i);
12721 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
12722 sram_dma_descs + (i * sizeof(u32)));
12723 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
12725 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
12728 tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
12730 tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
12734 for (i = 0; i < 40; i++) {
12738 val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
12740 val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
12741 if ((val & 0xffff) == sram_dma_descs) {
12752 #define TEST_BUFFER_SIZE 0x2000
12754 static int __devinit tg3_test_dma(struct tg3 *tp)
12756 dma_addr_t buf_dma;
12757 u32 *buf, saved_dma_rwctrl;
12760 buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
12766 tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
12767 (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
12769 tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
12771 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
12772 /* DMA read watermark not used on PCIE */
12773 tp->dma_rwctrl |= 0x00180000;
12774 } else if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
12775 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
12776 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
12777 tp->dma_rwctrl |= 0x003f0000;
12779 tp->dma_rwctrl |= 0x003f000f;
12781 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
12782 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
12783 u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
12784 u32 read_water = 0x7;
12786 /* If the 5704 is behind the EPB bridge, we can
12787 * do the less restrictive ONE_DMA workaround for
12788 * better performance.
12790 if ((tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) &&
12791 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
12792 tp->dma_rwctrl |= 0x8000;
12793 else if (ccval == 0x6 || ccval == 0x7)
12794 tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
12796 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703)
12798 /* Set bit 23 to enable PCIX hw bug fix */
12800 (read_water << DMA_RWCTRL_READ_WATER_SHIFT) |
12801 (0x3 << DMA_RWCTRL_WRITE_WATER_SHIFT) |
12803 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
12804 /* 5780 always in PCIX mode */
12805 tp->dma_rwctrl |= 0x00144000;
12806 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
12807 /* 5714 always in PCIX mode */
12808 tp->dma_rwctrl |= 0x00148000;
12810 tp->dma_rwctrl |= 0x001b000f;
12814 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
12815 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
12816 tp->dma_rwctrl &= 0xfffffff0;
12818 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
12819 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
12820 /* Remove this if it causes problems for some boards. */
12821 tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
12823 /* On 5700/5701 chips, we need to set this bit.
12824 * Otherwise the chip will issue cacheline transactions
12825 * to streamable DMA memory with not all the byte
12826 * enables turned on. This is an error on several
12827 * RISC PCI controllers, in particular sparc64.
12829 * On 5703/5704 chips, this bit has been reassigned
12830 * a different meaning. In particular, it is used
12831 * on those chips to enable a PCI-X workaround.
12833 tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
12836 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
12839 /* Unneeded, already done by tg3_get_invariants. */
12840 tg3_switch_clocks(tp);
12844 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
12845 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
12848 /* It is best to perform DMA test with maximum write burst size
12849 * to expose the 5700/5701 write DMA bug.
12851 saved_dma_rwctrl = tp->dma_rwctrl;
12852 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
12853 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
12858 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
12861 /* Send the buffer to the chip. */
12862 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1);
12864 printk(KERN_ERR "tg3_test_dma() Write the buffer failed %d\n", ret);
12869 /* validate data reached card RAM correctly. */
12870 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
12872 tg3_read_mem(tp, 0x2100 + (i*4), &val);
12873 if (le32_to_cpu(val) != p[i]) {
12874 printk(KERN_ERR " tg3_test_dma() Card buffer corrupted on write! (%d != %d)\n", val, i);
12875 /* ret = -ENODEV here? */
12880 /* Now read it back. */
12881 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0);
12883 printk(KERN_ERR "tg3_test_dma() Read the buffer failed %d\n", ret);
12889 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
12893 if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
12894 DMA_RWCTRL_WRITE_BNDRY_16) {
12895 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
12896 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
12897 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
12900 printk(KERN_ERR "tg3_test_dma() buffer corrupted on read back! (%d != %d)\n", p[i], i);
12906 if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
12912 if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
12913 DMA_RWCTRL_WRITE_BNDRY_16) {
12914 static struct pci_device_id dma_wait_state_chipsets[] = {
12915 { PCI_DEVICE(PCI_VENDOR_ID_APPLE,
12916 PCI_DEVICE_ID_APPLE_UNI_N_PCI15) },
12920 /* DMA test passed without adjusting DMA boundary,
12921 * now look for chipsets that are known to expose the
12922 * DMA bug without failing the test.
12924 if (pci_dev_present(dma_wait_state_chipsets)) {
12925 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
12926 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
12929 /* Safe to use the calculated DMA boundary. */
12930 tp->dma_rwctrl = saved_dma_rwctrl;
12932 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
12936 pci_free_consistent(tp->pdev, TEST_BUFFER_SIZE, buf, buf_dma);
12941 static void __devinit tg3_init_link_config(struct tg3 *tp)
12943 tp->link_config.advertising =
12944 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
12945 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
12946 ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
12947 ADVERTISED_Autoneg | ADVERTISED_MII);
12948 tp->link_config.speed = SPEED_INVALID;
12949 tp->link_config.duplex = DUPLEX_INVALID;
12950 tp->link_config.autoneg = AUTONEG_ENABLE;
12951 tp->link_config.active_speed = SPEED_INVALID;
12952 tp->link_config.active_duplex = DUPLEX_INVALID;
12953 tp->link_config.phy_is_low_power = 0;
12954 tp->link_config.orig_speed = SPEED_INVALID;
12955 tp->link_config.orig_duplex = DUPLEX_INVALID;
12956 tp->link_config.orig_autoneg = AUTONEG_INVALID;
12959 static void __devinit tg3_init_bufmgr_config(struct tg3 *tp)
12961 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
12962 tp->bufmgr_config.mbuf_read_dma_low_water =
12963 DEFAULT_MB_RDMA_LOW_WATER_5705;
12964 tp->bufmgr_config.mbuf_mac_rx_low_water =
12965 DEFAULT_MB_MACRX_LOW_WATER_5705;
12966 tp->bufmgr_config.mbuf_high_water =
12967 DEFAULT_MB_HIGH_WATER_5705;
12968 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
12969 tp->bufmgr_config.mbuf_mac_rx_low_water =
12970 DEFAULT_MB_MACRX_LOW_WATER_5906;
12971 tp->bufmgr_config.mbuf_high_water =
12972 DEFAULT_MB_HIGH_WATER_5906;
12975 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
12976 DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780;
12977 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
12978 DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780;
12979 tp->bufmgr_config.mbuf_high_water_jumbo =
12980 DEFAULT_MB_HIGH_WATER_JUMBO_5780;
12982 tp->bufmgr_config.mbuf_read_dma_low_water =
12983 DEFAULT_MB_RDMA_LOW_WATER;
12984 tp->bufmgr_config.mbuf_mac_rx_low_water =
12985 DEFAULT_MB_MACRX_LOW_WATER;
12986 tp->bufmgr_config.mbuf_high_water =
12987 DEFAULT_MB_HIGH_WATER;
12989 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
12990 DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
12991 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
12992 DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
12993 tp->bufmgr_config.mbuf_high_water_jumbo =
12994 DEFAULT_MB_HIGH_WATER_JUMBO;
12997 tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
12998 tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
13001 static char * __devinit tg3_phy_string(struct tg3 *tp)
13003 switch (tp->phy_id & PHY_ID_MASK) {
13004 case PHY_ID_BCM5400: return "5400";
13005 case PHY_ID_BCM5401: return "5401";
13006 case PHY_ID_BCM5411: return "5411";
13007 case PHY_ID_BCM5701: return "5701";
13008 case PHY_ID_BCM5703: return "5703";
13009 case PHY_ID_BCM5704: return "5704";
13010 case PHY_ID_BCM5705: return "5705";
13011 case PHY_ID_BCM5750: return "5750";
13012 case PHY_ID_BCM5752: return "5752";
13013 case PHY_ID_BCM5714: return "5714";
13014 case PHY_ID_BCM5780: return "5780";
13015 case PHY_ID_BCM5755: return "5755";
13016 case PHY_ID_BCM5787: return "5787";
13017 case PHY_ID_BCM5784: return "5784";
13018 case PHY_ID_BCM5756: return "5722/5756";
13019 case PHY_ID_BCM5906: return "5906";
13020 case PHY_ID_BCM5761: return "5761";
13021 case PHY_ID_BCM8002: return "8002/serdes";
13022 case 0: return "serdes";
13023 default: return "unknown";
13027 static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
13029 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
13030 strcpy(str, "PCI Express");
13032 } else if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
13033 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f;
13035 strcpy(str, "PCIX:");
13037 if ((clock_ctrl == 7) ||
13038 ((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) ==
13039 GRC_MISC_CFG_BOARD_ID_5704CIOBE))
13040 strcat(str, "133MHz");
13041 else if (clock_ctrl == 0)
13042 strcat(str, "33MHz");
13043 else if (clock_ctrl == 2)
13044 strcat(str, "50MHz");
13045 else if (clock_ctrl == 4)
13046 strcat(str, "66MHz");
13047 else if (clock_ctrl == 6)
13048 strcat(str, "100MHz");
13050 strcpy(str, "PCI:");
13051 if (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED)
13052 strcat(str, "66MHz");
13054 strcat(str, "33MHz");
13056 if (tp->tg3_flags & TG3_FLAG_PCI_32BIT)
13057 strcat(str, ":32-bit");
13059 strcat(str, ":64-bit");
13063 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp)
13065 struct pci_dev *peer;
13066 unsigned int func, devnr = tp->pdev->devfn & ~7;
13068 for (func = 0; func < 8; func++) {
13069 peer = pci_get_slot(tp->pdev->bus, devnr | func);
13070 if (peer && peer != tp->pdev)
13074 /* 5704 can be configured in single-port mode, set peer to
13075 * tp->pdev in that case.
13083 * We don't need to keep the refcount elevated; there's no way
13084 * to remove one half of this device without removing the other
13091 static void __devinit tg3_init_coal(struct tg3 *tp)
13093 struct ethtool_coalesce *ec = &tp->coal;
13095 memset(ec, 0, sizeof(*ec));
13096 ec->cmd = ETHTOOL_GCOALESCE;
13097 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
13098 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
13099 ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
13100 ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
13101 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
13102 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
13103 ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
13104 ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
13105 ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
13107 if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
13108 HOSTCC_MODE_CLRTICK_TXBD)) {
13109 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
13110 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
13111 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
13112 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
13115 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
13116 ec->rx_coalesce_usecs_irq = 0;
13117 ec->tx_coalesce_usecs_irq = 0;
13118 ec->stats_block_coalesce_usecs = 0;
13122 static const struct net_device_ops tg3_netdev_ops = {
13123 .ndo_open = tg3_open,
13124 .ndo_stop = tg3_close,
13125 .ndo_start_xmit = tg3_start_xmit,
13126 .ndo_get_stats = tg3_get_stats,
13127 .ndo_validate_addr = eth_validate_addr,
13128 .ndo_set_multicast_list = tg3_set_rx_mode,
13129 .ndo_set_mac_address = tg3_set_mac_addr,
13130 .ndo_do_ioctl = tg3_ioctl,
13131 .ndo_tx_timeout = tg3_tx_timeout,
13132 .ndo_change_mtu = tg3_change_mtu,
13133 #if TG3_VLAN_TAG_USED
13134 .ndo_vlan_rx_register = tg3_vlan_rx_register,
13136 #ifdef CONFIG_NET_POLL_CONTROLLER
13137 .ndo_poll_controller = tg3_poll_controller,
13141 static const struct net_device_ops tg3_netdev_ops_dma_bug = {
13142 .ndo_open = tg3_open,
13143 .ndo_stop = tg3_close,
13144 .ndo_start_xmit = tg3_start_xmit_dma_bug,
13145 .ndo_get_stats = tg3_get_stats,
13146 .ndo_validate_addr = eth_validate_addr,
13147 .ndo_set_multicast_list = tg3_set_rx_mode,
13148 .ndo_set_mac_address = tg3_set_mac_addr,
13149 .ndo_do_ioctl = tg3_ioctl,
13150 .ndo_tx_timeout = tg3_tx_timeout,
13151 .ndo_change_mtu = tg3_change_mtu,
13152 #if TG3_VLAN_TAG_USED
13153 .ndo_vlan_rx_register = tg3_vlan_rx_register,
13155 #ifdef CONFIG_NET_POLL_CONTROLLER
13156 .ndo_poll_controller = tg3_poll_controller,
13160 static int __devinit tg3_init_one(struct pci_dev *pdev,
13161 const struct pci_device_id *ent)
13163 static int tg3_version_printed = 0;
13164 struct net_device *dev;
13168 u64 dma_mask, persist_dma_mask;
13170 if (tg3_version_printed++ == 0)
13171 printk(KERN_INFO "%s", version);
13173 err = pci_enable_device(pdev);
13175 printk(KERN_ERR PFX "Cannot enable PCI device, "
13180 err = pci_request_regions(pdev, DRV_MODULE_NAME);
13182 printk(KERN_ERR PFX "Cannot obtain PCI resources, "
13184 goto err_out_disable_pdev;
13187 pci_set_master(pdev);
13189 /* Find power-management capability. */
13190 pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
13192 printk(KERN_ERR PFX "Cannot find PowerManagement capability, "
13195 goto err_out_free_res;
13198 dev = alloc_etherdev(sizeof(*tp));
13200 printk(KERN_ERR PFX "Etherdev alloc failed, aborting.\n");
13202 goto err_out_free_res;
13205 SET_NETDEV_DEV(dev, &pdev->dev);
13207 #if TG3_VLAN_TAG_USED
13208 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
13211 tp = netdev_priv(dev);
13214 tp->pm_cap = pm_cap;
13215 tp->rx_mode = TG3_DEF_RX_MODE;
13216 tp->tx_mode = TG3_DEF_TX_MODE;
13219 tp->msg_enable = tg3_debug;
13221 tp->msg_enable = TG3_DEF_MSG_ENABLE;
13223 /* The word/byte swap controls here control register access byte
13224 * swapping. DMA data byte swapping is controlled in the GRC_MODE
13227 tp->misc_host_ctrl =
13228 MISC_HOST_CTRL_MASK_PCI_INT |
13229 MISC_HOST_CTRL_WORD_SWAP |
13230 MISC_HOST_CTRL_INDIR_ACCESS |
13231 MISC_HOST_CTRL_PCISTATE_RW;
13233 /* The NONFRM (non-frame) byte/word swap controls take effect
13234 * on descriptor entries, anything which isn't packet data.
13236 * The StrongARM chips on the board (one for tx, one for rx)
13237 * are running in big-endian mode.
13239 tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
13240 GRC_MODE_WSWAP_NONFRM_DATA);
13241 #ifdef __BIG_ENDIAN
13242 tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
13244 spin_lock_init(&tp->lock);
13245 spin_lock_init(&tp->indirect_lock);
13246 INIT_WORK(&tp->reset_task, tg3_reset_task);
13248 tp->regs = pci_ioremap_bar(pdev, BAR_0);
13250 printk(KERN_ERR PFX "Cannot map device registers, "
13253 goto err_out_free_dev;
13256 tg3_init_link_config(tp);
13258 tp->rx_pending = TG3_DEF_RX_RING_PENDING;
13259 tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
13260 tp->tx_pending = TG3_DEF_TX_RING_PENDING;
13262 netif_napi_add(dev, &tp->napi, tg3_poll, 64);
13263 dev->ethtool_ops = &tg3_ethtool_ops;
13264 dev->watchdog_timeo = TG3_TX_TIMEOUT;
13265 dev->irq = pdev->irq;
13267 err = tg3_get_invariants(tp);
13269 printk(KERN_ERR PFX "Problem fetching invariants of chip, "
13271 goto err_out_iounmap;
13274 if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
13275 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13276 dev->netdev_ops = &tg3_netdev_ops;
13278 dev->netdev_ops = &tg3_netdev_ops_dma_bug;
13281 /* The EPB bridge inside 5714, 5715, and 5780 and any
13282 * device behind the EPB cannot support DMA addresses > 40-bit.
13283 * On 64-bit systems with IOMMU, use 40-bit dma_mask.
13284 * On 64-bit systems without IOMMU, use 64-bit dma_mask and
13285 * do DMA address check in tg3_start_xmit().
13287 if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
13288 persist_dma_mask = dma_mask = DMA_BIT_MASK(32);
13289 else if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) {
13290 persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
13291 #ifdef CONFIG_HIGHMEM
13292 dma_mask = DMA_BIT_MASK(64);
13295 persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
13297 /* Configure DMA attributes. */
13298 if (dma_mask > DMA_BIT_MASK(32)) {
13299 err = pci_set_dma_mask(pdev, dma_mask);
13301 dev->features |= NETIF_F_HIGHDMA;
13302 err = pci_set_consistent_dma_mask(pdev,
13305 printk(KERN_ERR PFX "Unable to obtain 64 bit "
13306 "DMA for consistent allocations\n");
13307 goto err_out_iounmap;
13311 if (err || dma_mask == DMA_BIT_MASK(32)) {
13312 err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
13314 printk(KERN_ERR PFX "No usable DMA configuration, "
13316 goto err_out_iounmap;
13320 tg3_init_bufmgr_config(tp);
13322 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0)
13323 tp->fw_needed = FIRMWARE_TG3;
13325 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
13326 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
13328 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
13329 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
13330 tp->pci_chip_rev_id == CHIPREV_ID_5705_A0 ||
13331 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
13332 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
13333 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
13335 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE | TG3_FLG2_TSO_BUG;
13336 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)
13337 tp->fw_needed = FIRMWARE_TG3TSO5;
13339 tp->fw_needed = FIRMWARE_TG3TSO;
13342 /* TSO is on by default on chips that support hardware TSO.
13343 * Firmware TSO on older chips gives lower performance, so it
13344 * is off by default, but can be enabled using ethtool.
13346 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
13347 if (dev->features & NETIF_F_IP_CSUM)
13348 dev->features |= NETIF_F_TSO;
13349 if ((dev->features & NETIF_F_IPV6_CSUM) &&
13350 (tp->tg3_flags2 & TG3_FLG2_HW_TSO_2))
13351 dev->features |= NETIF_F_TSO6;
13352 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
13353 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
13354 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
13355 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
13356 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
13357 dev->features |= NETIF_F_TSO_ECN;
13361 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
13362 !(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
13363 !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
13364 tp->tg3_flags2 |= TG3_FLG2_MAX_RXPEND_64;
13365 tp->rx_pending = 63;
13368 err = tg3_get_device_address(tp);
13370 printk(KERN_ERR PFX "Could not obtain valid ethernet address, "
13375 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
13376 tp->aperegs = pci_ioremap_bar(pdev, BAR_2);
13377 if (!tp->aperegs) {
13378 printk(KERN_ERR PFX "Cannot map APE registers, "
13384 tg3_ape_lock_init(tp);
13386 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
13387 tg3_read_dash_ver(tp);
13391 * Reset chip in case UNDI or EFI driver did not shutdown
13392 * DMA self test will enable WDMAC and we'll see (spurious)
13393 * pending DMA on the PCI bus at that point.
13395 if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
13396 (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
13397 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
13398 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
13401 err = tg3_test_dma(tp);
13403 printk(KERN_ERR PFX "DMA engine test failed, aborting.\n");
13404 goto err_out_apeunmap;
13407 /* flow control autonegotiation is default behavior */
13408 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
13409 tp->link_config.flowctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
13413 pci_set_drvdata(pdev, dev);
13415 err = register_netdev(dev);
13417 printk(KERN_ERR PFX "Cannot register net device, "
13419 goto err_out_apeunmap;
13422 printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x] (%s) MAC address %pM\n",
13424 tp->board_part_number,
13425 tp->pci_chip_rev_id,
13426 tg3_bus_string(tp, str),
13429 if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED)
13431 "%s: attached PHY driver [%s] (mii_bus:phy_addr=%s)\n",
13433 tp->mdio_bus->phy_map[PHY_ADDR]->drv->name,
13434 dev_name(&tp->mdio_bus->phy_map[PHY_ADDR]->dev));
13437 "%s: attached PHY is %s (%s Ethernet) (WireSpeed[%d])\n",
13438 tp->dev->name, tg3_phy_string(tp),
13439 ((tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100Base-TX" :
13440 ((tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) ? "1000Base-SX" :
13441 "10/100/1000Base-T")),
13442 (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0);
13444 printk(KERN_INFO "%s: RXcsums[%d] LinkChgREG[%d] MIirq[%d] ASF[%d] TSOcap[%d]\n",
13446 (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
13447 (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
13448 (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) != 0,
13449 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,
13450 (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
13451 printk(KERN_INFO "%s: dma_rwctrl[%08x] dma_mask[%d-bit]\n",
13452 dev->name, tp->dma_rwctrl,
13453 (pdev->dma_mask == DMA_BIT_MASK(32)) ? 32 :
13454 (((u64) pdev->dma_mask == DMA_BIT_MASK(40)) ? 40 : 64));
13460 iounmap(tp->aperegs);
13461 tp->aperegs = NULL;
13466 release_firmware(tp->fw);
13478 pci_release_regions(pdev);
13480 err_out_disable_pdev:
13481 pci_disable_device(pdev);
13482 pci_set_drvdata(pdev, NULL);
13486 static void __devexit tg3_remove_one(struct pci_dev *pdev)
13488 struct net_device *dev = pci_get_drvdata(pdev);
13491 struct tg3 *tp = netdev_priv(dev);
13494 release_firmware(tp->fw);
13496 flush_scheduled_work();
13498 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
13503 unregister_netdev(dev);
13505 iounmap(tp->aperegs);
13506 tp->aperegs = NULL;
13513 pci_release_regions(pdev);
13514 pci_disable_device(pdev);
13515 pci_set_drvdata(pdev, NULL);
13519 static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
13521 struct net_device *dev = pci_get_drvdata(pdev);
13522 struct tg3 *tp = netdev_priv(dev);
13523 pci_power_t target_state;
13526 /* PCI register 4 needs to be saved whether netif_running() or not.
13527 * MSI address and data need to be saved if using MSI and
13530 pci_save_state(pdev);
13532 if (!netif_running(dev))
13535 flush_scheduled_work();
13537 tg3_netif_stop(tp);
13539 del_timer_sync(&tp->timer);
13541 tg3_full_lock(tp, 1);
13542 tg3_disable_ints(tp);
13543 tg3_full_unlock(tp);
13545 netif_device_detach(dev);
13547 tg3_full_lock(tp, 0);
13548 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
13549 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
13550 tg3_full_unlock(tp);
13552 target_state = pdev->pm_cap ? pci_target_state(pdev) : PCI_D3hot;
13554 err = tg3_set_power_state(tp, target_state);
13558 tg3_full_lock(tp, 0);
13560 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
13561 err2 = tg3_restart_hw(tp, 1);
13565 tp->timer.expires = jiffies + tp->timer_offset;
13566 add_timer(&tp->timer);
13568 netif_device_attach(dev);
13569 tg3_netif_start(tp);
13572 tg3_full_unlock(tp);
13581 static int tg3_resume(struct pci_dev *pdev)
13583 struct net_device *dev = pci_get_drvdata(pdev);
13584 struct tg3 *tp = netdev_priv(dev);
13587 pci_restore_state(tp->pdev);
13589 if (!netif_running(dev))
13592 err = tg3_set_power_state(tp, PCI_D0);
13596 netif_device_attach(dev);
13598 tg3_full_lock(tp, 0);
13600 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
13601 err = tg3_restart_hw(tp, 1);
13605 tp->timer.expires = jiffies + tp->timer_offset;
13606 add_timer(&tp->timer);
13608 tg3_netif_start(tp);
13611 tg3_full_unlock(tp);
13619 static struct pci_driver tg3_driver = {
13620 .name = DRV_MODULE_NAME,
13621 .id_table = tg3_pci_tbl,
13622 .probe = tg3_init_one,
13623 .remove = __devexit_p(tg3_remove_one),
13624 .suspend = tg3_suspend,
13625 .resume = tg3_resume
13628 static int __init tg3_init(void)
13630 return pci_register_driver(&tg3_driver);
13633 static void __exit tg3_cleanup(void)
13635 pci_unregister_driver(&tg3_driver);
13638 module_init(tg3_init);
13639 module_exit(tg3_cleanup);