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Add RealView/EB support for the LAN9118 Ethernet chip

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RealView/EB revD platform comes with the SMSC LAN9118 Ethernet
chip. This patch allows either the smc91x or the smc911x drivers to be
used with the RealView/EB platform.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Catalin Marinas 2008-04-18 22:43:09 +01:00
parent b7b0ba942f
commit be4f3c8691
1 changed files with 31 additions and 8 deletions
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39
arch/arm/mach-realview/realview_eb.c
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@ -224,7 +224,7 @@ static struct amba_device *amba_devs[] __initdata = {
* RealView EB platform devices
*/
static struct resource realview_eb_smc91x_resources[] = {
static struct resource realview_eb_eth_resources[] = {
[0] = {
.start = REALVIEW_ETH_BASE,
.end = REALVIEW_ETH_BASE + SZ_64K - 1,
@ -237,13 +237,36 @@ static struct resource realview_eb_smc91x_resources[] = {
},
};
static struct platform_device realview_eb_smc91x_device = {
.name = "smc91x",
static struct platform_device realview_eb_eth_device = {
.id = 0,
.num_resources = ARRAY_SIZE(realview_eb_smc91x_resources),
.resource = realview_eb_smc91x_resources,
.num_resources = ARRAY_SIZE(realview_eb_eth_resources),
.resource = realview_eb_eth_resources,
};
/*
* Detect and register the correct Ethernet device. RealView/EB rev D
* platforms use the newer SMSC LAN9118 Ethernet chip
*/
static int eth_device_register(void)
{
void __iomem *eth_addr = ioremap(REALVIEW_ETH_BASE, SZ_4K);
u32 idrev;
if (!eth_addr)
return -ENOMEM;
idrev = readl(eth_addr + 0x50);
if ((idrev & 0xFFFF0000) == 0x01180000)
/* SMSC LAN9118 chip present */
realview_eb_eth_device.name = "smc911x";
else
/* SMSC 91C111 chip present */
realview_eb_eth_device.name = "smc91x";
iounmap(eth_addr);
return platform_device_register(&realview_eb_eth_device);
}
static void __init gic_init_irq(void)
{
if (core_tile_eb11mp()) {
@ -301,8 +324,8 @@ static void realview_eb11mp_fixup(void)
kmi1_device.irq[0] = IRQ_EB11MP_KMI1;
/* platform devices */
realview_eb_smc91x_resources[1].start = IRQ_EB11MP_ETH;
realview_eb_smc91x_resources[1].end = IRQ_EB11MP_ETH;
realview_eb_eth_resources[1].start = IRQ_EB11MP_ETH;
realview_eb_eth_resources[1].end = IRQ_EB11MP_ETH;
}
static void __init realview_eb_timer_init(void)
@ -340,8 +363,8 @@ static void __init realview_eb_init(void)
clk_register(&realview_clcd_clk);
platform_device_register(&realview_flash_device);
platform_device_register(&realview_eb_smc91x_device);
platform_device_register(&realview_i2c_device);
eth_device_register();
for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
struct amba_device *d = amba_devs[i];