*
* Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
*/
+
+#undef DEBUG
+
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/socket.h>
-#include <linux/in.h>
-#include <linux/route.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/delay.h>
#include <linux/netdevice.h>
+#include <linux/platform_device.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
-#include <linux/bitops.h>
-#include <asm/byteorder.h>
-#include <asm/io.h>
-#include <asm/system.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
#include <asm/sgi/hpc3.h>
#include <asm/sgi/ip22.h>
-#include <asm/sgialib.h>
+#include <asm/sgi/seeq.h>
#include "sgiseeq.h"
-static char *version = "sgiseeq.c: David S. Miller (dm@engr.sgi.com)\n";
-
static char *sgiseeqstr = "SGI Seeq8003";
/*
sp->tx_old + (SEEQ_TX_BUFFERS - 1) - sp->tx_new : \
sp->tx_old - sp->tx_new - 1)
-#define DEBUG
-
struct sgiseeq_rx_desc {
volatile struct hpc_dma_desc rdma;
volatile signed int buf_vaddr;
struct net_device_stats stats;
- struct net_device *next_module;
spinlock_t tx_lock;
};
-/* A list of all installed seeq devices, for removing the driver module. */
-static struct net_device *root_sgiseeq_dev;
-
static inline void hpc3_eth_reset(struct hpc3_ethregs *hregs)
{
- hregs->rx_reset = HPC3_ERXRST_CRESET | HPC3_ERXRST_CLRIRQ;
+ hregs->reset = HPC3_ERST_CRESET | HPC3_ERST_CLRIRQ;
udelay(20);
- hregs->rx_reset = 0;
+ hregs->reset = 0;
}
static inline void reset_hpc3_and_seeq(struct hpc3_ethregs *hregs,
static struct sgiseeq_private *gpriv;
static struct net_device *gdev;
-void sgiseeq_dump_rings(void)
+static void sgiseeq_dump_rings(void)
{
static int once;
struct sgiseeq_rx_desc *r = gpriv->rx_desc;
#define TSTAT_INIT_SEEQ (SEEQ_TCMD_IPT|SEEQ_TCMD_I16|SEEQ_TCMD_IC|SEEQ_TCMD_IUF)
#define TSTAT_INIT_EDLC ((TSTAT_INIT_SEEQ) | SEEQ_TCMD_RB2)
-#define RDMACFG_INIT (HPC3_ERXDCFG_FRXDC | HPC3_ERXDCFG_FEOP | HPC3_ERXDCFG_FIRQ)
static int init_seeq(struct net_device *dev, struct sgiseeq_private *sp,
struct sgiseeq_regs *sregs)
sregs->tstat = TSTAT_INIT_SEEQ;
}
- hregs->rx_dconfig |= RDMACFG_INIT;
-
hregs->rx_ndptr = CPHYSADDR(sp->rx_desc);
hregs->tx_ndptr = CPHYSADDR(sp->tx_desc);
struct sgiseeq_regs *sregs)
{
struct sgiseeq_rx_desc *rd;
- struct sk_buff *skb = 0;
+ struct sk_buff *skb = NULL;
unsigned char pkt_status;
- unsigned char *pkt_pointer = 0;
+ unsigned char *pkt_pointer = NULL;
int len = 0;
unsigned int orig_end = PREV_RX(sp->rx_new);
skb = dev_alloc_skb(len + 2);
if (skb) {
- skb->dev = dev;
skb_reserve(skb, 2);
skb_put(skb, len);
/* Copy out of kseg1 to avoid silly cache flush. */
- eth_copy_and_sum(skb, pkt_pointer + 2, len, 0);
+ skb_copy_to_linear_data(skb, pkt_pointer + 2, len);
skb->protocol = eth_type_trans(skb, dev);
/* We don't want to receive our own packets */
}
}
-static irqreturn_t sgiseeq_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t sgiseeq_interrupt(int irq, void *dev_id)
{
struct net_device *dev = (struct net_device *) dev_id;
struct sgiseeq_private *sp = netdev_priv(dev);
spin_lock(&sp->tx_lock);
/* Ack the IRQ and set software state. */
- hregs->rx_reset = HPC3_ERXRST_CLRIRQ;
+ hregs->reset = HPC3_ERST_CLRIRQ;
/* Always check for received packets. */
sgiseeq_rx(dev, sp, hregs, sregs);
return 0;
}
-void sgiseeq_my_reset(void)
-{
- printk("RESET!\n");
- sgiseeq_reset(gdev);
-}
-
static int sgiseeq_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct sgiseeq_private *sp = netdev_priv(dev);
* entry and the HPC got to the end of the chain before we
* added this new entry and restarted it.
*/
- memcpy((char *)(long)td->buf_vaddr, skb->data, skblen);
+ skb_copy_from_linear_data(skb, (char *)(long)td->buf_vaddr, skblen);
if (len != skblen)
memset((char *)(long)td->buf_vaddr + skb->len, 0, len-skblen);
td->tdma.cntinfo = (len & HPCDMA_BCNT) |
#define ALIGNED(x) ((((unsigned long)(x)) + 0xf) & ~(0xf))
-static int sgiseeq_init(struct hpc3_regs* regs, int irq)
+static int __init sgiseeq_probe(struct platform_device *pdev)
{
+ struct sgiseeq_platform_data *pd = pdev->dev.platform_data;
+ struct hpc3_regs *hpcregs = pd->hpc;
struct sgiseeq_init_block *sr;
+ unsigned int irq = pd->irq;
struct sgiseeq_private *sp;
struct net_device *dev;
int err, i;
err = -ENOMEM;
goto err_out;
}
+
+ platform_set_drvdata(pdev, dev);
sp = netdev_priv(dev);
/* Make private data page aligned */
}
sp->srings = sr;
-#define EADDR_NVOFS 250
- for (i = 0; i < 3; i++) {
- unsigned short tmp = ip22_nvram_read(EADDR_NVOFS / 2 + i);
-
- dev->dev_addr[2 * i] = tmp >> 8;
- dev->dev_addr[2 * i + 1] = tmp & 0xff;
- }
+ memcpy(dev->dev_addr, pd->mac, ETH_ALEN);
#ifdef DEBUG
gpriv = sp;
gdev = dev;
#endif
- sp->sregs = (struct sgiseeq_regs *) &hpc3c0->eth_ext[0];
- sp->hregs = &hpc3c0->ethregs;
+ sp->sregs = (struct sgiseeq_regs *) &hpcregs->eth_ext[0];
+ sp->hregs = &hpcregs->ethregs;
sp->name = sgiseeqstr;
sp->mode = SEEQ_RCMD_RBCAST;
setup_rx_ring(sp->rx_desc, SEEQ_RX_BUFFERS);
setup_tx_ring(sp->tx_desc, SEEQ_TX_BUFFERS);
+ /* Setup PIO and DMA transfer timing */
+ sp->hregs->pconfig = 0x161;
+ sp->hregs->dconfig = HPC3_EDCFG_FIRQ | HPC3_EDCFG_FEOP |
+ HPC3_EDCFG_FRXDC | HPC3_EDCFG_PTO | 0x026;
+
+ /* Setup PIO and DMA transfer timing */
+ sp->hregs->pconfig = 0x161;
+ sp->hregs->dconfig = HPC3_EDCFG_FIRQ | HPC3_EDCFG_FEOP |
+ HPC3_EDCFG_FRXDC | HPC3_EDCFG_PTO | 0x026;
+
/* Reset the chip. */
hpc3_eth_reset(sp->hregs);
goto err_out_free_page;
}
- printk(KERN_INFO "%s: SGI Seeq8003 ", dev->name);
+ printk(KERN_INFO "%s: %s ", dev->name, sgiseeqstr);
for (i = 0; i < 6; i++)
printk("%2.2x%c", dev->dev_addr[i], i == 5 ? '\n' : ':');
- sp->next_module = root_sgiseeq_dev;
- root_sgiseeq_dev = dev;
-
return 0;
err_out_free_page:
return err;
}
-static int __init sgiseeq_probe(void)
+static int __exit sgiseeq_remove(struct platform_device *pdev)
{
- printk(version);
+ struct net_device *dev = platform_get_drvdata(pdev);
+ struct sgiseeq_private *sp = netdev_priv(dev);
+
+ unregister_netdev(dev);
+ free_page((unsigned long) sp->srings);
+ free_netdev(dev);
+ platform_set_drvdata(pdev, NULL);
- /* On board adapter on 1st HPC is always present */
- return sgiseeq_init(hpc3c0, SGI_ENET_IRQ);
+ return 0;
}
-static void __exit sgiseeq_exit(void)
-{
- struct net_device *next, *dev;
- struct sgiseeq_private *sp;
+static struct platform_driver sgiseeq_driver = {
+ .probe = sgiseeq_probe,
+ .remove = __devexit_p(sgiseeq_remove),
+ .driver = {
+ .name = "sgiseeq"
+ }
+};
- for (dev = root_sgiseeq_dev; dev; dev = next) {
- sp = (struct sgiseeq_private *) netdev_priv(dev);
- next = sp->next_module;
- unregister_netdev(dev);
- free_page((unsigned long) sp->srings);
- free_netdev(dev);
+static int __init sgiseeq_module_init(void)
+{
+ if (platform_driver_register(&sgiseeq_driver)) {
+ printk(KERN_ERR "Driver registration failed\n");
+ return -ENODEV;
}
+
+ return 0;
+}
+
+static void __exit sgiseeq_module_exit(void)
+{
+ platform_driver_unregister(&sgiseeq_driver);
}
-module_init(sgiseeq_probe);
-module_exit(sgiseeq_exit);
+module_init(sgiseeq_module_init);
+module_exit(sgiseeq_module_exit);
+MODULE_DESCRIPTION("SGI Seeq 8003 driver");
+MODULE_AUTHOR("Linux/MIPS Mailing List <linux-mips@linux-mips.org>");
MODULE_LICENSE("GPL");
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff