/*
* Freescale Ethernet controllers
*
- * Copyright (c) 2005 Intracom S.A.
+ * Copyright (c) 2005 Intracom S.A.
* by Pantelis Antoniou <panto@intracom.gr>
*
- * 2005 (c) MontaVista Software, Inc.
+ * 2005 (c) MontaVista Software, Inc.
* Vitaly Bordug <vbordug@ru.mvista.com>
*
- * This file is licensed under the terms of the GNU General Public License
- * version 2. This program is licensed "as is" without any warranty of any
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
* kind, whether express or implied.
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>
-#include <linux/sched.h>
#include <linux/string.h>
#include <linux/ptrace.h>
#include <linux/errno.h>
#include <linux/ioport.h>
-#include <linux/slab.h>
#include <linux/interrupt.h>
-#include <linux/pci.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/netdevice.h>
#include <linux/bitops.h>
#include <linux/fs.h>
#include <linux/platform_device.h>
+#include <linux/of_device.h>
+#include <linux/gfp.h>
#include <asm/irq.h>
#include <asm/uaccess.h>
#include <asm/8xx_immap.h>
#include <asm/pgtable.h>
#include <asm/mpc8xx.h>
-#include <asm/commproc.h>
+#include <asm/cpm1.h>
#endif
#include "fs_enet.h"
+#include "fec.h"
/*************************************************/
/* clear bits */
#define FC(_fecp, _reg, _v) FW(_fecp, _reg, FR(_fecp, _reg) & ~(_v))
-
-/* CRC polynomium used by the FEC for the multicast group filtering */
-#define FEC_CRC_POLY 0x04C11DB7
-
-#define FEC_MAX_MULTICAST_ADDRS 64
-
-/* Interrupt events/masks.
-*/
-#define FEC_ENET_HBERR 0x80000000U /* Heartbeat error */
-#define FEC_ENET_BABR 0x40000000U /* Babbling receiver */
-#define FEC_ENET_BABT 0x20000000U /* Babbling transmitter */
-#define FEC_ENET_GRA 0x10000000U /* Graceful stop complete */
-#define FEC_ENET_TXF 0x08000000U /* Full frame transmitted */
-#define FEC_ENET_TXB 0x04000000U /* A buffer was transmitted */
-#define FEC_ENET_RXF 0x02000000U /* Full frame received */
-#define FEC_ENET_RXB 0x01000000U /* A buffer was received */
-#define FEC_ENET_MII 0x00800000U /* MII interrupt */
-#define FEC_ENET_EBERR 0x00400000U /* SDMA bus error */
-
-#define FEC_ECNTRL_PINMUX 0x00000004
-#define FEC_ECNTRL_ETHER_EN 0x00000002
-#define FEC_ECNTRL_RESET 0x00000001
-
-#define FEC_RCNTRL_BC_REJ 0x00000010
-#define FEC_RCNTRL_PROM 0x00000008
-#define FEC_RCNTRL_MII_MODE 0x00000004
-#define FEC_RCNTRL_DRT 0x00000002
-#define FEC_RCNTRL_LOOP 0x00000001
-
-#define FEC_TCNTRL_FDEN 0x00000004
-#define FEC_TCNTRL_HBC 0x00000002
-#define FEC_TCNTRL_GTS 0x00000001
-
-
-/* Make MII read/write commands for the FEC.
-*/
-#define mk_mii_read(REG) (0x60020000 | ((REG & 0x1f) << 18))
-#define mk_mii_write(REG, VAL) (0x50020000 | ((REG & 0x1f) << 18) | (VAL & 0xffff))
-#define mk_mii_end 0
-
-#define FEC_MII_LOOPS 10000
-
/*
- * Delay to wait for FEC reset command to complete (in us)
+ * Delay to wait for FEC reset command to complete (in us)
*/
#define FEC_RESET_DELAY 50
-static int whack_reset(fec_t * fecp)
+static int whack_reset(struct fec __iomem *fecp)
{
int i;
static int do_pd_setup(struct fs_enet_private *fep)
{
- struct platform_device *pdev = to_platform_device(fep->dev);
- struct resource *r;
-
- /* Fill out IRQ field */
- fep->interrupt = platform_get_irq_byname(pdev,"interrupt");
- if (fep->interrupt < 0)
+ struct of_device *ofdev = to_of_device(fep->dev);
+
+ fep->interrupt = of_irq_to_resource(ofdev->node, 0, NULL);
+ if (fep->interrupt == NO_IRQ)
return -EINVAL;
-
- r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs");
- fep->fec.fecp =(void*)r->start;
- if(fep->fec.fecp == NULL)
+ fep->fec.fecp = of_iomap(ofdev->node, 0);
+ if (!fep->fcc.fccp)
return -EINVAL;
return 0;
-
}
#define FEC_NAPI_RX_EVENT_MSK (FEC_ENET_RXF | FEC_ENET_RXB)
{
struct fs_enet_private *fep = netdev_priv(dev);
const struct fs_platform_info *fpi = fep->fpi;
-
- fep->ring_base = dma_alloc_coherent(fep->dev,
+
+ fep->ring_base = (void __force __iomem *)dma_alloc_coherent(fep->dev,
(fpi->tx_ring + fpi->rx_ring) *
sizeof(cbd_t), &fep->ring_mem_addr,
GFP_KERNEL);
if(fep->ring_base)
dma_free_coherent(fep->dev, (fpi->tx_ring + fpi->rx_ring)
* sizeof(cbd_t),
- fep->ring_base,
+ (void __force *)fep->ring_base,
fep->ring_mem_addr);
}
static void set_promiscuous_mode(struct net_device *dev)
{
struct fs_enet_private *fep = netdev_priv(dev);
- fec_t *fecp = fep->fec.fecp;
+ struct fec __iomem *fecp = fep->fec.fecp;
FS(fecp, r_cntrl, FEC_RCNTRL_PROM);
}
static void set_multicast_finish(struct net_device *dev)
{
struct fs_enet_private *fep = netdev_priv(dev);
- fec_t *fecp = fep->fec.fecp;
+ struct fec __iomem *fecp = fep->fec.fecp;
/* if all multi or too many multicasts; just enable all */
if ((dev->flags & IFF_ALLMULTI) != 0 ||
- dev->mc_count > FEC_MAX_MULTICAST_ADDRS) {
+ netdev_mc_count(dev) > FEC_MAX_MULTICAST_ADDRS) {
fep->fec.hthi = 0xffffffffU;
fep->fec.htlo = 0xffffffffU;
}
static void set_multicast_list(struct net_device *dev)
{
- struct dev_mc_list *pmc;
+ struct netdev_hw_addr *ha;
if ((dev->flags & IFF_PROMISC) == 0) {
set_multicast_start(dev);
- for (pmc = dev->mc_list; pmc != NULL; pmc = pmc->next)
- set_multicast_one(dev, pmc->dmi_addr);
+ netdev_for_each_mc_addr(ha, dev)
+ set_multicast_one(dev, ha->addr);
set_multicast_finish(dev);
} else
set_promiscuous_mode(dev);
static void restart(struct net_device *dev)
{
-#ifdef CONFIG_DUET
- immap_t *immap = fs_enet_immap;
- u32 cptr;
-#endif
struct fs_enet_private *fep = netdev_priv(dev);
- fec_t *fecp = fep->fec.fecp;
+ struct fec __iomem *fecp = fep->fec.fecp;
const struct fs_platform_info *fpi = fep->fpi;
dma_addr_t rx_bd_base_phys, tx_bd_base_phys;
int r;
u32 addrhi, addrlo;
+ struct mii_bus* mii = fep->phydev->bus;
+ struct fec_info* fec_inf = mii->priv;
+
r = whack_reset(fep->fec.fecp);
if (r != 0)
- printk(KERN_ERR DRV_MODULE_NAME
- ": %s FEC Reset FAILED!\n", dev->name);
-
+ dev_err(fep->dev, "FEC Reset FAILED!\n");
/*
- * Set station address.
+ * Set station address.
*/
addrhi = ((u32) dev->dev_addr[0] << 24) |
((u32) dev->dev_addr[1] << 16) |
FW(fecp, addr_high, addrlo);
/*
- * Reset all multicast.
+ * Reset all multicast.
*/
FW(fecp, hash_table_high, fep->fec.hthi);
FW(fecp, hash_table_low, fep->fec.htlo);
/*
- * Set maximum receive buffer size.
+ * Set maximum receive buffer size.
*/
FW(fecp, r_buff_size, PKT_MAXBLR_SIZE);
+#ifdef CONFIG_FS_ENET_MPC5121_FEC
+ FW(fecp, r_cntrl, PKT_MAXBUF_SIZE << 16);
+#else
FW(fecp, r_hash, PKT_MAXBUF_SIZE);
+#endif
/* get physical address */
rx_bd_base_phys = fep->ring_mem_addr;
tx_bd_base_phys = rx_bd_base_phys + sizeof(cbd_t) * fpi->rx_ring;
/*
- * Set receive and transmit descriptor base.
+ * Set receive and transmit descriptor base.
*/
FW(fecp, r_des_start, rx_bd_base_phys);
FW(fecp, x_des_start, tx_bd_base_phys);
fs_init_bds(dev);
/*
- * Enable big endian and don't care about SDMA FC.
+ * Enable big endian and don't care about SDMA FC.
*/
+#ifdef CONFIG_FS_ENET_MPC5121_FEC
+ FS(fecp, dma_control, 0xC0000000);
+#else
FW(fecp, fun_code, 0x78000000);
+#endif
/*
- * Set MII speed.
+ * Set MII speed.
*/
- FW(fecp, mii_speed, fep->mii_bus->fec.mii_speed);
+ FW(fecp, mii_speed, fec_inf->mii_speed);
/*
- * Clear any outstanding interrupt.
+ * Clear any outstanding interrupt.
*/
FW(fecp, ievent, 0xffc0);
- FW(fecp, ivec, (fep->interrupt / 2) << 29);
-
+#ifndef CONFIG_FS_ENET_MPC5121_FEC
+ FW(fecp, ivec, (virq_to_hw(fep->interrupt) / 2) << 29);
+ FW(fecp, r_cntrl, FEC_RCNTRL_MII_MODE); /* MII enable */
+#else
/*
- * adjust to speed (only for DUET & RMII)
+ * Only set MII mode - do not touch maximum frame length
+ * configured before.
*/
-#ifdef CONFIG_DUET
- if (fpi->use_rmii) {
- cptr = in_be32(&immap->im_cpm.cp_cptr);
- switch (fs_get_fec_index(fpi->fs_no)) {
- case 0:
- cptr |= 0x100;
- if (fep->speed == 10)
- cptr |= 0x0000010;
- else if (fep->speed == 100)
- cptr &= ~0x0000010;
- break;
- case 1:
- cptr |= 0x80;
- if (fep->speed == 10)
- cptr |= 0x0000008;
- else if (fep->speed == 100)
- cptr &= ~0x0000008;
- break;
- default:
- BUG(); /* should never happen */
- break;
- }
- out_be32(&immap->im_cpm.cp_cptr, cptr);
- }
+ FS(fecp, r_cntrl, FEC_RCNTRL_MII_MODE);
#endif
-
- FW(fecp, r_cntrl, FEC_RCNTRL_MII_MODE); /* MII enable */
/*
- * adjust to duplex mode
+ * adjust to duplex mode
*/
- if (fep->duplex) {
+ if (fep->phydev->duplex) {
FC(fecp, r_cntrl, FEC_RCNTRL_DRT);
FS(fecp, x_cntrl, FEC_TCNTRL_FDEN); /* FD enable */
} else {
}
/*
- * Enable interrupts we wish to service.
+ * Enable interrupts we wish to service.
*/
FW(fecp, imask, FEC_ENET_TXF | FEC_ENET_TXB |
FEC_ENET_RXF | FEC_ENET_RXB);
/*
- * And last, enable the transmit and receive processing.
+ * And last, enable the transmit and receive processing.
*/
FW(fecp, ecntrl, FEC_ECNTRL_PINMUX | FEC_ECNTRL_ETHER_EN);
FW(fecp, r_des_active, 0x01000000);
static void stop(struct net_device *dev)
{
struct fs_enet_private *fep = netdev_priv(dev);
- fec_t *fecp = fep->fec.fecp;
- struct fs_enet_mii_bus *bus = fep->mii_bus;
- const struct fs_mii_bus_info *bi = bus->bus_info;
+ const struct fs_platform_info *fpi = fep->fpi;
+ struct fec __iomem *fecp = fep->fec.fecp;
+
+ struct fec_info* feci= fep->phydev->bus->priv;
+
int i;
if ((FR(fecp, ecntrl) & FEC_ECNTRL_ETHER_EN) == 0)
udelay(1);
if (i == FEC_RESET_DELAY)
- printk(KERN_WARNING DRV_MODULE_NAME
- ": %s FEC timeout on graceful transmit stop\n",
- dev->name);
+ dev_warn(fep->dev, "FEC timeout on graceful transmit stop\n");
/*
- * Disable FEC. Let only MII interrupts.
+ * Disable FEC. Let only MII interrupts.
*/
FW(fecp, imask, 0);
FC(fecp, ecntrl, FEC_ECNTRL_ETHER_EN);
fs_cleanup_bds(dev);
/* shut down FEC1? that's where the mii bus is */
- if (fep->fec.idx == 0 && bus->refs > 1 && bi->method == fsmii_fec) {
+ if (fpi->has_phy) {
FS(fecp, r_cntrl, FEC_RCNTRL_MII_MODE); /* MII enable */
FS(fecp, ecntrl, FEC_ECNTRL_PINMUX | FEC_ECNTRL_ETHER_EN);
FW(fecp, ievent, FEC_ENET_MII);
- FW(fecp, mii_speed, bus->fec.mii_speed);
- }
-}
-
-static void pre_request_irq(struct net_device *dev, int irq)
-{
- immap_t *immap = fs_enet_immap;
- u32 siel;
-
- /* SIU interrupt */
- if (irq >= SIU_IRQ0 && irq < SIU_LEVEL7) {
-
- siel = in_be32(&immap->im_siu_conf.sc_siel);
- if ((irq & 1) == 0)
- siel |= (0x80000000 >> irq);
- else
- siel &= ~(0x80000000 >> (irq & ~1));
- out_be32(&immap->im_siu_conf.sc_siel, siel);
+ FW(fecp, mii_speed, feci->mii_speed);
}
}
-static void post_free_irq(struct net_device *dev, int irq)
-{
- /* nothing */
-}
-
static void napi_clear_rx_event(struct net_device *dev)
{
struct fs_enet_private *fep = netdev_priv(dev);
- fec_t *fecp = fep->fec.fecp;
+ struct fec __iomem *fecp = fep->fec.fecp;
FW(fecp, ievent, FEC_NAPI_RX_EVENT_MSK);
}
static void napi_enable_rx(struct net_device *dev)
{
struct fs_enet_private *fep = netdev_priv(dev);
- fec_t *fecp = fep->fec.fecp;
+ struct fec __iomem *fecp = fep->fec.fecp;
FS(fecp, imask, FEC_NAPI_RX_EVENT_MSK);
}
static void napi_disable_rx(struct net_device *dev)
{
struct fs_enet_private *fep = netdev_priv(dev);
- fec_t *fecp = fep->fec.fecp;
+ struct fec __iomem *fecp = fep->fec.fecp;
FC(fecp, imask, FEC_NAPI_RX_EVENT_MSK);
}
static void rx_bd_done(struct net_device *dev)
{
struct fs_enet_private *fep = netdev_priv(dev);
- fec_t *fecp = fep->fec.fecp;
+ struct fec __iomem *fecp = fep->fec.fecp;
FW(fecp, r_des_active, 0x01000000);
}
static void tx_kickstart(struct net_device *dev)
{
struct fs_enet_private *fep = netdev_priv(dev);
- fec_t *fecp = fep->fec.fecp;
+ struct fec __iomem *fecp = fep->fec.fecp;
FW(fecp, x_des_active, 0x01000000);
}
static u32 get_int_events(struct net_device *dev)
{
struct fs_enet_private *fep = netdev_priv(dev);
- fec_t *fecp = fep->fec.fecp;
+ struct fec __iomem *fecp = fep->fec.fecp;
return FR(fecp, ievent) & FR(fecp, imask);
}
static void clear_int_events(struct net_device *dev, u32 int_events)
{
struct fs_enet_private *fep = netdev_priv(dev);
- fec_t *fecp = fep->fec.fecp;
+ struct fec __iomem *fecp = fep->fec.fecp;
FW(fecp, ievent, int_events);
}
static void ev_error(struct net_device *dev, u32 int_events)
{
- printk(KERN_WARNING DRV_MODULE_NAME
- ": %s FEC ERROR(s) 0x%x\n", dev->name, int_events);
+ struct fs_enet_private *fep = netdev_priv(dev);
+
+ dev_warn(fep->dev, "FEC ERROR(s) 0x%x\n", int_events);
}
-int get_regs(struct net_device *dev, void *p, int *sizep)
+static int get_regs(struct net_device *dev, void *p, int *sizep)
{
struct fs_enet_private *fep = netdev_priv(dev);
- if (*sizep < sizeof(fec_t))
+ if (*sizep < sizeof(struct fec))
return -EINVAL;
- memcpy_fromio(p, fep->fec.fecp, sizeof(fec_t));
+ memcpy_fromio(p, fep->fec.fecp, sizeof(struct fec));
return 0;
}
-int get_regs_len(struct net_device *dev)
+static int get_regs_len(struct net_device *dev)
{
- return sizeof(fec_t);
+ return sizeof(struct fec);
}
-void tx_restart(struct net_device *dev)
+static void tx_restart(struct net_device *dev)
{
/* nothing */
}
.set_multicast_list = set_multicast_list,
.restart = restart,
.stop = stop,
- .pre_request_irq = pre_request_irq,
- .post_free_irq = post_free_irq,
.napi_clear_rx_event = napi_clear_rx_event,
.napi_enable_rx = napi_enable_rx,
.napi_disable_rx = napi_disable_rx,
.free_bd = free_bd,
};
-/***********************************************************************/
-
-static int mii_read(struct fs_enet_mii_bus *bus, int phy_id, int location)
-{
- fec_t *fecp = bus->fec.fecp;
- int i, ret = -1;
-
- if ((FR(fecp, r_cntrl) & FEC_RCNTRL_MII_MODE) == 0)
- BUG();
-
- /* Add PHY address to register command. */
- FW(fecp, mii_data, (phy_id << 23) | mk_mii_read(location));
-
- for (i = 0; i < FEC_MII_LOOPS; i++)
- if ((FR(fecp, ievent) & FEC_ENET_MII) != 0)
- break;
-
- if (i < FEC_MII_LOOPS) {
- FW(fecp, ievent, FEC_ENET_MII);
- ret = FR(fecp, mii_data) & 0xffff;
- }
-
- return ret;
-}
-
-static void mii_write(struct fs_enet_mii_bus *bus, int phy_id, int location, int value)
-{
- fec_t *fecp = bus->fec.fecp;
- int i;
-
- /* this must never happen */
- if ((FR(fecp, r_cntrl) & FEC_RCNTRL_MII_MODE) == 0)
- BUG();
-
- /* Add PHY address to register command. */
- FW(fecp, mii_data, (phy_id << 23) | mk_mii_write(location, value));
-
- for (i = 0; i < FEC_MII_LOOPS; i++)
- if ((FR(fecp, ievent) & FEC_ENET_MII) != 0)
- break;
-
- if (i < FEC_MII_LOOPS)
- FW(fecp, ievent, FEC_ENET_MII);
-}
-
-int fs_mii_fec_init(struct fs_enet_mii_bus *bus)
-{
- bd_t *bd = (bd_t *)__res;
- const struct fs_mii_bus_info *bi = bus->bus_info;
- fec_t *fecp;
-
- if (bi->id != 0)
- return -1;
-
- bus->fec.fecp = &((immap_t *)fs_enet_immap)->im_cpm.cp_fec;
- bus->fec.mii_speed = ((((bd->bi_intfreq + 4999999) / 2500000) / 2)
- & 0x3F) << 1;
-
- fecp = bus->fec.fecp;
-
- FS(fecp, r_cntrl, FEC_RCNTRL_MII_MODE); /* MII enable */
- FS(fecp, ecntrl, FEC_ECNTRL_PINMUX | FEC_ECNTRL_ETHER_EN);
- FW(fecp, ievent, FEC_ENET_MII);
- FW(fecp, mii_speed, bus->fec.mii_speed);
-
- bus->mii_read = mii_read;
- bus->mii_write = mii_write;
-
- return 0;
-}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff