int __init mac8390_probe(struct net_device * dev)
{
volatile unsigned short *i;
int boards_found = 0;
int version_disp = 0;
struct nubus_dev * ndev = NULL;
struct nubus_dir dir;
struct nubus_dirent ent;
int offset;
enum mac8390_type cardtype;
if (probed)
return -ENODEV;
probed++;
/* probably should check for Nubus instead */
if (!MACH_IS_MAC)
return -ENODEV;
while ((ndev = nubus_find_type(NUBUS_CAT_NETWORK, NUBUS_TYPE_ETHERNET, ndev))) {
dev = NULL;
if ((cardtype = mac8390_ident(ndev)) == MAC8390_NONE)
continue;
dev = init_etherdev(dev, 0);
if (dev == NULL) {
printk(KERN_ERR "Unable to allocate etherdev"
"structure!\n");
return -ENOMEM;
}
if (version_disp == 0) {
version_disp = 1;
printk(version);
}
dev->irq = SLOT2IRQ(ndev->board->slot);
/* This is getting to be a habit */
dev->base_addr = ndev->board->slot_addr | ((ndev->board->slot&0xf) << 20);
/* Get some Nubus info - we will trust the card's idea
of where its memory and registers are. */
if (nubus_get_func_dir(ndev, &dir) == -1) {
printk(KERN_ERR "%s: Unable to get Nubus functional"
" directory for slot %X!\n",
dev->name, ndev->board->slot);
continue;
}
/* Get the MAC address */
if ((nubus_find_rsrc(&dir, NUBUS_RESID_MAC_ADDRESS, &ent)) == -1) {
printk(KERN_INFO "%s: Couldn't get MAC address!\n",
dev->name);
continue;
} else {
nubus_get_rsrc_mem(dev->dev_addr, &ent, 6);
/* Some Sonic Sys cards masquerade as Farallon */
if (cardtype == MAC8390_FARALLON &&
dev->dev_addr[0] == 0x0 &&
dev->dev_addr[1] == 0x40 &&
dev->dev_addr[2] == 0x10) {
/* This is really Sonic Sys card */
cardtype = MAC8390_SONICSYS;
}
}
if (useresources[cardtype] == 1) {
nubus_rewinddir(&dir);
if (nubus_find_rsrc(&dir, NUBUS_RESID_MINOR_BASEOS, &ent) == -1) {
printk(KERN_ERR "%s: Memory offset resource"
" for slot %X not found!\n",
dev->name, ndev->board->slot);
continue;
}
nubus_get_rsrc_mem(&offset, &ent, 4);
dev->mem_start = dev->base_addr + offset;
/* yes, this is how the Apple driver does it */
dev->base_addr = dev->mem_start + 0x10000;
nubus_rewinddir(&dir);
if (nubus_find_rsrc(&dir, NUBUS_RESID_MINOR_LENGTH, &ent) == -1) {
printk(KERN_INFO "%s: Memory length resource"
" for slot %X not found"
", probing\n",
dev->name, ndev->board->slot);
offset = mac8390_memsize(dev->mem_start);
} else {
nubus_get_rsrc_mem(&offset, &ent, 4);
}
dev->mem_end = dev->mem_start + offset;
} else {
switch (cardtype) {
case MAC8390_KINETICS:
case MAC8390_DAYNA: /* it's the same */
dev->base_addr =
(int)(ndev->board->slot_addr +
DAYNA_8390_BASE);
dev->mem_start =
(int)(ndev->board->slot_addr +
DAYNA_8390_MEM);
dev->mem_end =
dev->mem_start +
mac8390_memsize(dev->mem_start);
break;
case MAC8390_CABLETRON:
dev->base_addr =
(int)(ndev->board->slot_addr +
CABLETRON_8390_BASE);
dev->mem_start =
(int)(ndev->board->slot_addr +
CABLETRON_8390_MEM);
/* The base address is unreadable if 0x00
* has been written to the command register
* Reset the chip by writing E8390_NODMA +
* E8390_PAGE0 + E8390_STOP just to be
* sure
*/
i = (void *)dev->base_addr;
*i = 0x21;
dev->mem_end =
dev->mem_start +
mac8390_memsize(dev->mem_start);
break;
default:
printk(KERN_ERR "Card type %s is"
" unsupported, sorry\n",
cardname[cardtype]);
return -ENODEV;
}
}
/* Do the nasty 8390 stuff */
if (mac8390_initdev(dev, ndev, cardtype))
continue;
boards_found++;
}
/* We're outta here */
if (boards_found > 0)
return 0;
else
return -ENODEV;
}
struct net_device * __init mac8390_probe(int unit)
{
struct net_device *dev;
volatile unsigned short *i;
int version_disp = 0;
struct nubus_dev * ndev = NULL;
int err = -ENODEV;
struct nubus_dir dir;
struct nubus_dirent ent;
int offset;
static unsigned int slots;
enum mac8390_type cardtype;
/* probably should check for Nubus instead */
if (!MACH_IS_MAC)
return ERR_PTR(-ENODEV);
dev = alloc_ei_netdev();
if (!dev)
return ERR_PTR(-ENOMEM);
if (unit >= 0)
sprintf(dev->name, "eth%d", unit);
while ((ndev = nubus_find_type(NUBUS_CAT_NETWORK, NUBUS_TYPE_ETHERNET, ndev))) {
/* Have we seen it already? */
if (slots & (1<<ndev->board->slot))
continue;
slots |= 1<<ndev->board->slot;
if ((cardtype = mac8390_ident(ndev)) == MAC8390_NONE)
continue;
if (version_disp == 0) {
version_disp = 1;
printk(version);
}
dev->irq = SLOT2IRQ(ndev->board->slot);
/* This is getting to be a habit */
dev->base_addr = ndev->board->slot_addr | ((ndev->board->slot&0xf) << 20);
/* Get some Nubus info - we will trust the card's idea
of where its memory and registers are. */
if (nubus_get_func_dir(ndev, &dir) == -1) {
printk(KERN_ERR "%s: Unable to get Nubus functional"
" directory for slot %X!\n",
dev->name, ndev->board->slot);
continue;
}
/* Get the MAC address */
if ((nubus_find_rsrc(&dir, NUBUS_RESID_MAC_ADDRESS, &ent)) == -1) {
printk(KERN_INFO "%s: Couldn't get MAC address!\n",
dev->name);
continue;
} else {
nubus_get_rsrc_mem(dev->dev_addr, &ent, 6);
}
if (useresources[cardtype] == 1) {
nubus_rewinddir(&dir);
if (nubus_find_rsrc(&dir, NUBUS_RESID_MINOR_BASEOS, &ent) == -1) {
printk(KERN_ERR "%s: Memory offset resource"
" for slot %X not found!\n",
dev->name, ndev->board->slot);
continue;
}
nubus_get_rsrc_mem(&offset, &ent, 4);
dev->mem_start = dev->base_addr + offset;
/* yes, this is how the Apple driver does it */
dev->base_addr = dev->mem_start + 0x10000;
nubus_rewinddir(&dir);
if (nubus_find_rsrc(&dir, NUBUS_RESID_MINOR_LENGTH, &ent) == -1) {
printk(KERN_INFO "%s: Memory length resource"
" for slot %X not found"
", probing\n",
dev->name, ndev->board->slot);
offset = mac8390_memsize(dev->mem_start);
} else {
nubus_get_rsrc_mem(&offset, &ent, 4);
}
dev->mem_end = dev->mem_start + offset;
} else {
switch (cardtype) {
case MAC8390_KINETICS:
case MAC8390_DAYNA: /* it's the same */
dev->base_addr =
(int)(ndev->board->slot_addr +
DAYNA_8390_BASE);
dev->mem_start =
(int)(ndev->board->slot_addr +
DAYNA_8390_MEM);
dev->mem_end =
dev->mem_start +
mac8390_memsize(dev->mem_start);
break;
case MAC8390_INTERLAN:
dev->base_addr =
(int)(ndev->board->slot_addr +
INTERLAN_8390_BASE);
dev->mem_start =
(int)(ndev->board->slot_addr +
INTERLAN_8390_MEM);
dev->mem_end =
dev->mem_start +
mac8390_memsize(dev->mem_start);
break;
case MAC8390_CABLETRON:
dev->base_addr =
(int)(ndev->board->slot_addr +
CABLETRON_8390_BASE);
dev->mem_start =
(int)(ndev->board->slot_addr +
CABLETRON_8390_MEM);
/* The base address is unreadable if 0x00
* has been written to the command register
* Reset the chip by writing E8390_NODMA +
* E8390_PAGE0 + E8390_STOP just to be
* sure
*/
i = (void *)dev->base_addr;
*i = 0x21;
dev->mem_end =
dev->mem_start +
mac8390_memsize(dev->mem_start);
break;
default:
printk(KERN_ERR "Card type %s is"
" unsupported, sorry\n",
ndev->board->name);
continue;
}
}
/* Do the nasty 8390 stuff */
if (!mac8390_initdev(dev, ndev, cardtype))
break;
}
if (!ndev)
goto out;
err = register_netdev(dev);
if (err)
goto out;
return dev;
out:
free_netdev(dev);
return ERR_PTR(err);
}