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path: root/drivers/net/jazzsonic.c
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Diffstat (limited to 'drivers/net/jazzsonic.c')
-rw-r--r--drivers/net/jazzsonic.c381
1 files changed, 0 insertions, 381 deletions
diff --git a/drivers/net/jazzsonic.c b/drivers/net/jazzsonic.c
deleted file mode 100644
index 7fec613e167..00000000000
--- a/drivers/net/jazzsonic.c
+++ /dev/null
@@ -1,381 +0,0 @@
-/*
- * sonic.c
- *
- * (C) 1996,1998 by Thomas Bogendoerfer (tsbogend@alpha.franken.de)
- *
- * This driver is based on work from Andreas Busse, but most of
- * the code is rewritten.
- *
- * (C) 1995 by Andreas Busse (andy@waldorf-gmbh.de)
- *
- * A driver for the onboard Sonic ethernet controller on Mips Jazz
- * systems (Acer Pica-61, Mips Magnum 4000, Olivetti M700 and
- * perhaps others, too)
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/fcntl.h>
-#include <linux/interrupt.h>
-#include <linux/init.h>
-#include <linux/ioport.h>
-#include <linux/in.h>
-#include <linux/slab.h>
-#include <linux/string.h>
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/skbuff.h>
-#include <linux/bitops.h>
-#include <linux/device.h>
-
-#include <asm/bootinfo.h>
-#include <asm/system.h>
-#include <asm/pgtable.h>
-#include <asm/io.h>
-#include <asm/dma.h>
-#include <asm/jazz.h>
-#include <asm/jazzdma.h>
-
-static char jazz_sonic_string[] = "jazzsonic";
-static struct platform_device *jazz_sonic_device;
-
-#define SONIC_MEM_SIZE 0x100
-
-#define SREGS_PAD(n) u16 n;
-
-#include "sonic.h"
-
-/*
- * Macros to access SONIC registers
- */
-#define SONIC_READ(reg) (*((volatile unsigned int *)base_addr+reg))
-
-#define SONIC_WRITE(reg,val) \
-do { \
- *((volatile unsigned int *)base_addr+(reg)) = (val); \
-} while (0)
-
-
-/* use 0 for production, 1 for verification, >2 for debug */
-#ifdef SONIC_DEBUG
-static unsigned int sonic_debug = SONIC_DEBUG;
-#else
-static unsigned int sonic_debug = 1;
-#endif
-
-/*
- * Base address and interrupt of the SONIC controller on JAZZ boards
- */
-static struct {
- unsigned int port;
- unsigned int irq;
-} sonic_portlist[] = { {JAZZ_ETHERNET_BASE, JAZZ_ETHERNET_IRQ}, {0, 0}};
-
-/*
- * We cannot use station (ethernet) address prefixes to detect the
- * sonic controller since these are board manufacturer depended.
- * So we check for known Silicon Revision IDs instead.
- */
-static unsigned short known_revisions[] =
-{
- 0x04, /* Mips Magnum 4000 */
- 0xffff /* end of list */
-};
-
-static int __init sonic_probe1(struct net_device *dev, unsigned long base_addr,
- unsigned int irq)
-{
- static unsigned version_printed;
- unsigned int silicon_revision;
- unsigned int val;
- struct sonic_local *lp;
- int err = -ENODEV;
- int i;
-
- if (!request_mem_region(base_addr, SONIC_MEM_SIZE, jazz_sonic_string))
- return -EBUSY;
- /*
- * get the Silicon Revision ID. If this is one of the known
- * one assume that we found a SONIC ethernet controller at
- * the expected location.
- */
- silicon_revision = SONIC_READ(SONIC_SR);
- if (sonic_debug > 1)
- printk("SONIC Silicon Revision = 0x%04x\n",silicon_revision);
-
- i = 0;
- while (known_revisions[i] != 0xffff
- && known_revisions[i] != silicon_revision)
- i++;
-
- if (known_revisions[i] == 0xffff) {
- printk("SONIC ethernet controller not found (0x%4x)\n",
- silicon_revision);
- goto out;
- }
-
- if (sonic_debug && version_printed++ == 0)
- printk(version);
-
- printk("%s: Sonic ethernet found at 0x%08lx, ", dev->name, base_addr);
-
- /* Fill in the 'dev' fields. */
- dev->base_addr = base_addr;
- dev->irq = irq;
-
- /*
- * Put the sonic into software reset, then
- * retrieve and print the ethernet address.
- */
- SONIC_WRITE(SONIC_CMD,SONIC_CR_RST);
- SONIC_WRITE(SONIC_CEP,0);
- for (i=0; i<3; i++) {
- val = SONIC_READ(SONIC_CAP0-i);
- dev->dev_addr[i*2] = val;
- dev->dev_addr[i*2+1] = val >> 8;
- }
-
- printk("HW Address ");
- for (i = 0; i < 6; i++) {
- printk("%2.2x", dev->dev_addr[i]);
- if (i<5)
- printk(":");
- }
-
- printk(" IRQ %d\n", irq);
-
- err = -ENOMEM;
-
- /* Initialize the device structure. */
- if (dev->priv == NULL) {
- /*
- * the memory be located in the same 64kb segment
- */
- lp = NULL;
- i = 0;
- do {
- lp = kmalloc(sizeof(*lp), GFP_KERNEL);
- if ((unsigned long) lp >> 16
- != ((unsigned long)lp + sizeof(*lp) ) >> 16) {
- /* FIXME, free the memory later */
- kfree(lp);
- lp = NULL;
- }
- } while (lp == NULL && i++ < 20);
-
- if (lp == NULL) {
- printk("%s: couldn't allocate memory for descriptors\n",
- dev->name);
- goto out;
- }
-
- memset(lp, 0, sizeof(struct sonic_local));
-
- /* get the virtual dma address */
- lp->cda_laddr = vdma_alloc(CPHYSADDR(lp),sizeof(*lp));
- if (lp->cda_laddr == ~0UL) {
- printk("%s: couldn't get DMA page entry for "
- "descriptors\n", dev->name);
- goto out1;
- }
-
- lp->tda_laddr = lp->cda_laddr + sizeof (lp->cda);
- lp->rra_laddr = lp->tda_laddr + sizeof (lp->tda);
- lp->rda_laddr = lp->rra_laddr + sizeof (lp->rra);
-
- /* allocate receive buffer area */
- /* FIXME, maybe we should use skbs */
- lp->rba = kmalloc(SONIC_NUM_RRS * SONIC_RBSIZE, GFP_KERNEL);
- if (!lp->rba) {
- printk("%s: couldn't allocate receive buffers\n",
- dev->name);
- goto out2;
- }
-
- /* get virtual dma address */
- lp->rba_laddr = vdma_alloc(CPHYSADDR(lp->rba),
- SONIC_NUM_RRS * SONIC_RBSIZE);
- if (lp->rba_laddr == ~0UL) {
- printk("%s: couldn't get DMA page entry for receive "
- "buffers\n",dev->name);
- goto out3;
- }
-
- /* now convert pointer to KSEG1 pointer */
- lp->rba = (char *)KSEG1ADDR(lp->rba);
- flush_cache_all();
- dev->priv = (struct sonic_local *)KSEG1ADDR(lp);
- }
-
- lp = (struct sonic_local *)dev->priv;
- dev->open = sonic_open;
- dev->stop = sonic_close;
- dev->hard_start_xmit = sonic_send_packet;
- dev->get_stats = sonic_get_stats;
- dev->set_multicast_list = &sonic_multicast_list;
- dev->watchdog_timeo = TX_TIMEOUT;
-
- /*
- * clear tally counter
- */
- SONIC_WRITE(SONIC_CRCT,0xffff);
- SONIC_WRITE(SONIC_FAET,0xffff);
- SONIC_WRITE(SONIC_MPT,0xffff);
-
- return 0;
-out3:
- kfree(lp->rba);
-out2:
- vdma_free(lp->cda_laddr);
-out1:
- kfree(lp);
-out:
- release_region(base_addr, SONIC_MEM_SIZE);
- return err;
-}
-
-/*
- * Probe for a SONIC ethernet controller on a Mips Jazz board.
- * Actually probing is superfluous but we're paranoid.
- */
-static int __init jazz_sonic_probe(struct device *device)
-{
- struct net_device *dev;
- struct sonic_local *lp;
- unsigned long base_addr;
- int err = 0;
- int i;
-
- /*
- * Don't probe if we're not running on a Jazz board.
- */
- if (mips_machgroup != MACH_GROUP_JAZZ)
- return -ENODEV;
-
- dev = alloc_etherdev(0);
- if (!dev)
- return -ENOMEM;
-
- netdev_boot_setup_check(dev);
- base_addr = dev->base_addr;
-
- if (base_addr >= KSEG0) { /* Check a single specified location. */
- err = sonic_probe1(dev, base_addr, dev->irq);
- } else if (base_addr != 0) { /* Don't probe at all. */
- err = -ENXIO;
- } else {
- for (i = 0; sonic_portlist[i].port; i++) {
- int io = sonic_portlist[i].port;
- if (sonic_probe1(dev, io, sonic_portlist[i].irq) == 0)
- break;
- }
- if (!sonic_portlist[i].port)
- err = -ENODEV;
- }
- if (err)
- goto out;
- err = register_netdev(dev);
- if (err)
- goto out1;
-
- return 0;
-
-out1:
- lp = dev->priv;
- vdma_free(lp->rba_laddr);
- kfree(lp->rba);
- vdma_free(lp->cda_laddr);
- kfree(lp);
- release_region(dev->base_addr, SONIC_MEM_SIZE);
-out:
- free_netdev(dev);
-
- return err;
-}
-
-/*
- * SONIC uses a normal IRQ
- */
-#define sonic_request_irq request_irq
-#define sonic_free_irq free_irq
-
-#define sonic_chiptomem(x) KSEG1ADDR(vdma_log2phys(x))
-
-#include "sonic.c"
-
-static int __devexit jazz_sonic_device_remove (struct device *device)
-{
- struct net_device *dev = device->driver_data;
-
- unregister_netdev (dev);
- release_region (dev->base_addr, SONIC_MEM_SIZE);
- free_netdev (dev);
-
- return 0;
-}
-
-static struct device_driver jazz_sonic_driver = {
- .name = jazz_sonic_string,
- .bus = &platform_bus_type,
- .probe = jazz_sonic_probe,
- .remove = __devexit_p(jazz_sonic_device_remove),
-};
-
-static void jazz_sonic_platform_release (struct device *device)
-{
- struct platform_device *pldev;
-
- /* free device */
- pldev = to_platform_device (device);
- kfree (pldev);
-}
-
-static int __init jazz_sonic_init_module(void)
-{
- struct platform_device *pldev;
-
- if (driver_register(&jazz_sonic_driver)) {
- printk(KERN_ERR "Driver registration failed\n");
- return -ENOMEM;
- }
-
- jazz_sonic_device = NULL;
-
- if (!(pldev = kmalloc (sizeof (*pldev), GFP_KERNEL))) {
- goto out_unregister;
- }
-
- memset(pldev, 0, sizeof (*pldev));
- pldev->name = jazz_sonic_string;
- pldev->id = 0;
- pldev->dev.release = jazz_sonic_platform_release;
- jazz_sonic_device = pldev;
-
- if (platform_device_register (pldev)) {
- kfree(pldev);
- jazz_sonic_device = NULL;
- }
-
- return 0;
-
-out_unregister:
- platform_device_unregister(pldev);
-
- return -ENOMEM;
-}
-
-static void __exit jazz_sonic_cleanup_module(void)
-{
- driver_unregister(&jazz_sonic_driver);
-
- if (jazz_sonic_device) {
- platform_device_unregister(jazz_sonic_device);
- jazz_sonic_device = NULL;
- }
-}
-
-module_init(jazz_sonic_init_module);
-module_exit(jazz_sonic_cleanup_module);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-12 03:57:31 +0000