#include <linux/module.h>
#include <linux/types.h>
#include <linux/fcntl.h>
+#include <linux/gfp.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/nubus.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/bitrev.h>
+#include <linux/slab.h>
#include <asm/bootinfo.h>
#include <asm/system.h>
#include <asm/mac_via.h>
static char mac_sonic_string[] = "macsonic";
-static struct platform_device *mac_sonic_device;
#include "sonic.h"
static int macsonic_open(struct net_device* dev)
{
- if (request_irq(dev->irq, &sonic_interrupt, IRQ_FLG_FAST, "sonic", dev)) {
+ if (request_irq(dev->irq, sonic_interrupt, IRQ_FLG_FAST, "sonic", dev)) {
printk(KERN_ERR "%s: unable to get IRQ %d.\n", dev->name, dev->irq);
return -EAGAIN;
}
* rupt as well, which must prevent re-entrance of the sonic handler.
*/
if (dev->irq == IRQ_AUTO_3)
- if (request_irq(IRQ_NUBUS_9, &macsonic_interrupt, IRQ_FLG_FAST, "sonic", dev)) {
+ if (request_irq(IRQ_NUBUS_9, macsonic_interrupt, IRQ_FLG_FAST, "sonic", dev)) {
printk(KERN_ERR "%s: unable to get IRQ %d.\n", dev->name, IRQ_NUBUS_9);
free_irq(dev->irq, dev);
return -EAGAIN;
return 0;
}
-static int __devinit mac_onboard_sonic_ethernet_addr(struct net_device *dev)
+#define INVALID_MAC(mac) (memcmp(mac, "\x08\x00\x07", 3) && \
+ memcmp(mac, "\x00\xA0\x40", 3) && \
+ memcmp(mac, "\x00\x80\x19", 3) && \
+ memcmp(mac, "\x00\x05\x02", 3))
+
+static void __devinit mac_onboard_sonic_ethernet_addr(struct net_device *dev)
{
struct sonic_local *lp = netdev_priv(dev);
const int prom_addr = ONBOARD_SONIC_PROM_BASE;
- int i;
+ unsigned short val;
- /* On NuBus boards we can sometimes look in the ROM resources.
- No such luck for comm-slot/onboard. */
- for(i = 0; i < 6; i++)
- dev->dev_addr[i] = SONIC_READ_PROM(i);
+ /*
+ * On NuBus boards we can sometimes look in the ROM resources.
+ * No such luck for comm-slot/onboard.
+ * On the PowerBook 520, the PROM base address is a mystery.
+ */
+ if (hwreg_present((void *)prom_addr)) {
+ int i;
+
+ for (i = 0; i < 6; i++)
+ dev->dev_addr[i] = SONIC_READ_PROM(i);
+ if (!INVALID_MAC(dev->dev_addr))
+ return;
- /* Most of the time, the address is bit-reversed. The NetBSD
- source has a rather long and detailed historical account of
- why this is so. */
- if (memcmp(dev->dev_addr, "\x08\x00\x07", 3) &&
- memcmp(dev->dev_addr, "\x00\xA0\x40", 3) &&
- memcmp(dev->dev_addr, "\x00\x80\x19", 3) &&
- memcmp(dev->dev_addr, "\x00\x05\x02", 3))
+ /*
+ * Most of the time, the address is bit-reversed. The NetBSD
+ * source has a rather long and detailed historical account of
+ * why this is so.
+ */
bit_reverse_addr(dev->dev_addr);
- else
- return 0;
-
- /* If we still have what seems to be a bogus address, we'll
- look in the CAM. The top entry should be ours. */
- /* Danger! This only works if MacOS has already initialized
- the card... */
- if (memcmp(dev->dev_addr, "\x08\x00\x07", 3) &&
- memcmp(dev->dev_addr, "\x00\xA0\x40", 3) &&
- memcmp(dev->dev_addr, "\x00\x80\x19", 3) &&
- memcmp(dev->dev_addr, "\x00\x05\x02", 3))
- {
- unsigned short val;
-
- printk(KERN_INFO "macsonic: PROM seems to be wrong, trying CAM entry 15\n");
-
- SONIC_WRITE(SONIC_CMD, SONIC_CR_RST);
- SONIC_WRITE(SONIC_CEP, 15);
-
- val = SONIC_READ(SONIC_CAP2);
- dev->dev_addr[5] = val >> 8;
- dev->dev_addr[4] = val & 0xff;
- val = SONIC_READ(SONIC_CAP1);
- dev->dev_addr[3] = val >> 8;
- dev->dev_addr[2] = val & 0xff;
- val = SONIC_READ(SONIC_CAP0);
- dev->dev_addr[1] = val >> 8;
- dev->dev_addr[0] = val & 0xff;
-
- printk(KERN_INFO "HW Address from CAM 15: %pM\n",
- dev->dev_addr);
- } else return 0;
-
- if (memcmp(dev->dev_addr, "\x08\x00\x07", 3) &&
- memcmp(dev->dev_addr, "\x00\xA0\x40", 3) &&
- memcmp(dev->dev_addr, "\x00\x80\x19", 3) &&
- memcmp(dev->dev_addr, "\x00\x05\x02", 3))
- {
+ if (!INVALID_MAC(dev->dev_addr))
+ return;
+
/*
- * Still nonsense ... messed up someplace!
+ * If we still have what seems to be a bogus address, we'll
+ * look in the CAM. The top entry should be ours.
*/
- printk(KERN_ERR "macsonic: ERROR (INVALID MAC)\n");
- return -EIO;
- } else return 0;
+ printk(KERN_WARNING "macsonic: MAC address in PROM seems "
+ "to be invalid, trying CAM\n");
+ } else {
+ printk(KERN_WARNING "macsonic: cannot read MAC address from "
+ "PROM, trying CAM\n");
+ }
+
+ /* This only works if MacOS has already initialized the card. */
+
+ SONIC_WRITE(SONIC_CMD, SONIC_CR_RST);
+ SONIC_WRITE(SONIC_CEP, 15);
+
+ val = SONIC_READ(SONIC_CAP2);
+ dev->dev_addr[5] = val >> 8;
+ dev->dev_addr[4] = val & 0xff;
+ val = SONIC_READ(SONIC_CAP1);
+ dev->dev_addr[3] = val >> 8;
+ dev->dev_addr[2] = val & 0xff;
+ val = SONIC_READ(SONIC_CAP0);
+ dev->dev_addr[1] = val >> 8;
+ dev->dev_addr[0] = val & 0xff;
+
+ if (!INVALID_MAC(dev->dev_addr))
+ return;
+
+ /* Still nonsense ... messed up someplace! */
+
+ printk(KERN_WARNING "macsonic: MAC address in CAM entry 15 "
+ "seems invalid, will use a random MAC\n");
+ random_ether_addr(dev->dev_addr);
}
static int __devinit mac_onboard_sonic_probe(struct net_device *dev)
SONIC_WRITE(SONIC_ISR, 0x7fff);
/* Now look for the MAC address. */
- if (mac_onboard_sonic_ethernet_addr(dev) != 0)
- return -ENODEV;
+ mac_onboard_sonic_ethernet_addr(dev);
/* Shared init code */
return macsonic_init(dev);
lp = netdev_priv(dev);
lp->device = &pdev->dev;
SET_NETDEV_DEV(dev, &pdev->dev);
+ platform_set_drvdata(pdev, dev);
/* This will catch fatal stuff like -ENOMEM as well as success */
err = mac_onboard_sonic_probe(dev);
MODULE_DESCRIPTION("Macintosh SONIC ethernet driver");
module_param(sonic_debug, int, 0);
MODULE_PARM_DESC(sonic_debug, "macsonic debug level (1-4)");
+MODULE_ALIAS("platform:macsonic");
#include "sonic.c"
.probe = mac_sonic_probe,
.remove = __devexit_p(mac_sonic_device_remove),
.driver = {
- .name = mac_sonic_string,
+ .name = mac_sonic_string,
+ .owner = THIS_MODULE,
},
};
static int __init mac_sonic_init_module(void)
{
- int err;
-
- if ((err = platform_driver_register(&mac_sonic_driver))) {
- printk(KERN_ERR "Driver registration failed\n");
- return err;
- }
-
- mac_sonic_device = platform_device_alloc(mac_sonic_string, 0);
- if (!mac_sonic_device)
- goto out_unregister;
-
- if (platform_device_add(mac_sonic_device)) {
- platform_device_put(mac_sonic_device);
- mac_sonic_device = NULL;
- }
-
- return 0;
-
-out_unregister:
- platform_driver_unregister(&mac_sonic_driver);
-
- return -ENOMEM;
+ return platform_driver_register(&mac_sonic_driver);
}
static void __exit mac_sonic_cleanup_module(void)
{
platform_driver_unregister(&mac_sonic_driver);
-
- if (mac_sonic_device) {
- platform_device_unregister(mac_sonic_device);
- mac_sonic_device = NULL;
- }
}
module_init(mac_sonic_init_module);