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IXP4xx: add Ethernet and NPE support for IXP43x CPU. 

Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
hifive-unleashed-5.1
Krzysztof Hałasa 2009-03-13 19:09:00 +01:00
parent 0a07232ff6
commit 5ca328d24d
2 changed files with 16 additions and 10 deletions
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6
arch/arm/mach-ixp4xx/ixp4xx_npe.c
View File

@ -575,8 +575,8 @@ int npe_load_firmware(struct npe *npe, const char *name, struct device *dev)
for (i = 0; i < image->size; i++)
image->data[i] = swab32(image->data[i]);
if (!cpu_is_ixp46x() && ((image->id >> 28) & 0xF /* device ID */)) {
print_npe(KERN_INFO, npe, "IXP46x firmware ignored on "
if (cpu_is_ixp42x() && ((image->id >> 28) & 0xF /* device ID */)) {
print_npe(KERN_INFO, npe, "IXP43x/IXP46x firmware ignored on "
"IXP42x\n");
goto err;
}
@ -596,7 +596,7 @@ int npe_load_firmware(struct npe *npe, const char *name, struct device *dev)
"revision 0x%X:%X\n", (image->id >> 16) & 0xFF,
(image->id >> 8) & 0xFF, image->id & 0xFF);
if (!cpu_is_ixp46x()) {
if (cpu_is_ixp42x()) {
if (!npe->id)
instr_size = NPE_A_42X_INSTR_SIZE;
else

20
drivers/net/arm/ixp4xx_eth.c
View File

@ -335,11 +335,20 @@ static int ixp4xx_mdio_register(void)
if (!(mdio_bus = mdiobus_alloc()))
return -ENOMEM;
/* All MII PHY accesses use NPE-B Ethernet registers */
spin_lock_init(&mdio_lock);
mdio_regs = (struct eth_regs __iomem *)IXP4XX_EthB_BASE_VIRT;
__raw_writel(DEFAULT_CORE_CNTRL, &mdio_regs->core_control);
if (cpu_is_ixp43x()) {
/* IXP43x lacks NPE-B and uses NPE-C for MII PHY access */
if (!(ixp4xx_read_feature_bits() & IXP4XX_FEATURE_NPEC_ETH))
return -ENOSYS;
mdio_regs = (struct eth_regs __iomem *)IXP4XX_EthC_BASE_VIRT;
} else {
/* All MII PHY accesses use NPE-B Ethernet registers */
if (!(ixp4xx_read_feature_bits() & IXP4XX_FEATURE_NPEB_ETH0))
return -ENOSYS;
mdio_regs = (struct eth_regs __iomem *)IXP4XX_EthB_BASE_VIRT;
}
__raw_writel(DEFAULT_CORE_CNTRL, &mdio_regs->core_control);
spin_lock_init(&mdio_lock);
mdio_bus->name = "IXP4xx MII Bus";
mdio_bus->read = &ixp4xx_mdio_read;
mdio_bus->write = &ixp4xx_mdio_write;
@ -1250,9 +1259,6 @@ static struct platform_driver ixp4xx_eth_driver = {
static int __init eth_init_module(void)
{
int err;
if (!(ixp4xx_read_feature_bits() & IXP4XX_FEATURE_NPEB_ETH0))
return -ENOSYS;
if ((err = ixp4xx_mdio_register()))
return err;
return platform_driver_register(&ixp4xx_eth_driver);