diff options
| -rw-r--r-- | drivers/net/pcnet.c | 180 |
1 files changed, 89 insertions, 91 deletions
diff --git a/drivers/net/pcnet.c b/drivers/net/pcnet.c index 073ffca..6d464cd 100644 --- a/drivers/net/pcnet.c +++ b/drivers/net/pcnet.c @@ -161,97 +161,6 @@ static struct pci_device_id supported[] = { {} }; - -int pcnet_initialize(bd_t *bis) -{ - pci_dev_t devbusfn; - struct eth_device *dev; - u16 command, status; - int dev_nr = 0; - u32 bar; - - PCNET_DEBUG1("\npcnet_initialize...\n"); - - for (dev_nr = 0;; dev_nr++) { - - /* - * Find the PCnet PCI device(s). - */ - devbusfn = pci_find_devices(supported, dev_nr); - if (devbusfn < 0) - break; - - /* - * Allocate and pre-fill the device structure. - */ - dev = calloc(1, sizeof(*dev)); - if (!dev) { - printf("pcnet: Can not allocate memory\n"); - break; - } - - /* - * We only maintain one structure because the drivers will - * never be used concurrently. In 32bit mode the RX and TX - * ring entries must be aligned on 16-byte boundaries. - */ - if (!lp) { - lp = malloc_cache_aligned(sizeof(*lp)); - lp->uc = map_physmem((phys_addr_t)&lp->ucp, - sizeof(lp->ucp), MAP_NOCACHE); - flush_dcache_range((unsigned long)lp, - (unsigned long)lp + sizeof(*lp)); - } - - dev->priv = (void *)(unsigned long)devbusfn; - sprintf(dev->name, "pcnet#%d", dev_nr); - - /* - * Setup the PCI device. - */ - pci_read_config_dword(devbusfn, PCI_BASE_ADDRESS_1, &bar); - dev->iobase = pci_mem_to_phys(devbusfn, bar); - dev->iobase &= ~0xf; - - PCNET_DEBUG1("%s: devbusfn=0x%x iobase=0x%lx: ", - dev->name, devbusfn, (unsigned long)dev->iobase); - - command = PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER; - pci_write_config_word(devbusfn, PCI_COMMAND, command); - pci_read_config_word(devbusfn, PCI_COMMAND, &status); - if ((status & command) != command) { - printf("%s: Couldn't enable IO access or Bus Mastering\n", - dev->name); - free(dev); - continue; - } - - pci_write_config_byte(devbusfn, PCI_LATENCY_TIMER, 0x40); - - /* - * Probe the PCnet chip. - */ - if (pcnet_probe(dev, bis, dev_nr) < 0) { - free(dev); - continue; - } - - /* - * Setup device structure and register the driver. - */ - dev->init = pcnet_init; - dev->halt = pcnet_halt; - dev->send = pcnet_send; - dev->recv = pcnet_recv; - - eth_register(dev); - } - - udelay(10 * 1000); - - return dev_nr; -} - static int pcnet_probe(struct eth_device *dev, bd_t *bis, int dev_nr) { int chip_version; @@ -548,3 +457,92 @@ static void pcnet_halt(struct eth_device *dev) if (i <= 0) printf("%s: TIMEOUT: controller reset failed\n", dev->name); } + +int pcnet_initialize(bd_t *bis) +{ + pci_dev_t devbusfn; + struct eth_device *dev; + u16 command, status; + int dev_nr = 0; + u32 bar; + + PCNET_DEBUG1("\npcnet_initialize...\n"); + + for (dev_nr = 0; ; dev_nr++) { + /* + * Find the PCnet PCI device(s). + */ + devbusfn = pci_find_devices(supported, dev_nr); + if (devbusfn < 0) + break; + + /* + * Allocate and pre-fill the device structure. + */ + dev = calloc(1, sizeof(*dev)); + if (!dev) { + printf("pcnet: Can not allocate memory\n"); + break; + } + + /* + * We only maintain one structure because the drivers will + * never be used concurrently. In 32bit mode the RX and TX + * ring entries must be aligned on 16-byte boundaries. + */ + if (!lp) { + lp = malloc_cache_aligned(sizeof(*lp)); + lp->uc = map_physmem((phys_addr_t)&lp->ucp, + sizeof(lp->ucp), MAP_NOCACHE); + flush_dcache_range((unsigned long)lp, + (unsigned long)lp + sizeof(*lp)); + } + + dev->priv = (void *)(unsigned long)devbusfn; + sprintf(dev->name, "pcnet#%d", dev_nr); + + /* + * Setup the PCI device. + */ + pci_read_config_dword(devbusfn, PCI_BASE_ADDRESS_1, &bar); + dev->iobase = pci_mem_to_phys(devbusfn, bar); + dev->iobase &= ~0xf; + + PCNET_DEBUG1("%s: devbusfn=0x%x iobase=0x%lx: ", + dev->name, devbusfn, (unsigned long)dev->iobase); + + command = PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER; + pci_write_config_word(devbusfn, PCI_COMMAND, command); + pci_read_config_word(devbusfn, PCI_COMMAND, &status); + if ((status & command) != command) { + printf("%s: Couldn't enable IO access or Bus Mastering\n", + dev->name); + free(dev); + continue; + } + + pci_write_config_byte(devbusfn, PCI_LATENCY_TIMER, 0x40); + + /* + * Probe the PCnet chip. + */ + if (pcnet_probe(dev, bis, dev_nr) < 0) { + free(dev); + continue; + } + + /* + * Setup device structure and register the driver. + */ + dev->init = pcnet_init; + dev->halt = pcnet_halt; + dev->send = pcnet_send; + dev->recv = pcnet_recv; + + eth_register(dev); + } + + udelay(10 * 1000); + + return dev_nr; +} |