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authorGabor Juhos <juhosg@openwrt.org>2011-11-12 12:09:54 +0000
committerGabor Juhos <juhosg@openwrt.org>2011-11-12 12:09:54 +0000
commitf835106c8c9cf0c1f58e169f8570d3dd1eff5b60 (patch)
treec751d831648754caf5099bb6744542cb8f8efd88 /target/linux/ar71xx
parent90a42da27009fe2c22d0e5dbf28a133cf0f00925 (diff)
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ar71xx: add a secondary mdio bus
SVN-Revision: 28984
Diffstat (limited to 'target/linux/ar71xx')
-rw-r--r--target/linux/ar71xx/files/arch/mips/ar71xx/devices.c71
-rw-r--r--target/linux/ar71xx/files/arch/mips/ar71xx/devices.h1
2 files changed, 57 insertions, 15 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/devices.c b/target/linux/ar71xx/files/arch/mips/ar71xx/devices.c
index 26b1cf3..0759142 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/devices.c
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/devices.c
@@ -132,7 +132,7 @@ static struct ag71xx_mdio_platform_data ar71xx_mdio0_data;
struct platform_device ar71xx_mdio0_device = {
.name = "ag71xx-mdio",
- .id = -1,
+ .id = 0,
.resource = ar71xx_mdio0_resources,
.num_resources = ARRAY_SIZE(ar71xx_mdio0_resources),
.dev = {
@@ -140,6 +140,27 @@ struct platform_device ar71xx_mdio0_device = {
},
};
+static struct resource ar71xx_mdio1_resources[] = {
+ {
+ .name = "mdio_base",
+ .flags = IORESOURCE_MEM,
+ .start = AR71XX_GE1_BASE,
+ .end = AR71XX_GE1_BASE + 0x200 - 1,
+ }
+};
+
+static struct ag71xx_mdio_platform_data ar71xx_mdio1_data;
+
+struct platform_device ar71xx_mdio1_device = {
+ .name = "ag71xx-mdio",
+ .id = 1,
+ .resource = ar71xx_mdio1_resources,
+ .num_resources = ARRAY_SIZE(ar71xx_mdio1_resources),
+ .dev = {
+ .platform_data = &ar71xx_mdio1_data,
+ },
+};
+
static void ar71xx_set_pll(u32 cfg_reg, u32 pll_reg, u32 pll_val, u32 shift)
{
void __iomem *base;
@@ -171,38 +192,47 @@ static void ar71xx_set_pll(u32 cfg_reg, u32 pll_reg, u32 pll_val, u32 shift)
void __init ar71xx_add_device_mdio(unsigned int id, u32 phy_mask)
{
+ struct platform_device *mdio_dev;
+ struct ag71xx_mdio_platform_data *mdio_data;
+
if (id > 0) {
printk(KERN_ERR "ar71xx: invalid MDIO id %u\n", id);
return;
}
switch (ar71xx_soc) {
- case AR71XX_SOC_AR7240:
- ar71xx_mdio0_data.is_ar7240 = 1;
- break;
case AR71XX_SOC_AR7241:
- ar71xx_mdio0_data.is_ar7240 = 1;
- ar71xx_mdio0_resources[0].start = AR71XX_GE1_BASE;
- ar71xx_mdio0_resources[0].end = AR71XX_GE1_BASE + 0x200 - 1;
+ case AR71XX_SOC_AR9330:
+ case AR71XX_SOC_AR9331:
+ mdio_dev = &ar71xx_mdio1_device;
+ mdio_data = &ar71xx_mdio1_data;
break;
+
case AR71XX_SOC_AR7242:
ar71xx_set_pll(AR71XX_PLL_REG_SEC_CONFIG,
AR7242_PLL_REG_ETH0_INT_CLOCK, 0x62000000,
AR71XX_ETH0_PLL_SHIFT);
+ /* fall through */
+ default:
+ mdio_dev = &ar71xx_mdio0_device;
+ mdio_data = &ar71xx_mdio0_data;
break;
+ }
+
+ mdio_data->phy_mask = phy_mask;
+
+ switch (ar71xx_soc) {
+ case AR71XX_SOC_AR7240:
+ case AR71XX_SOC_AR7241:
case AR71XX_SOC_AR9330:
case AR71XX_SOC_AR9331:
- ar71xx_mdio0_data.is_ar7240 = 1;
- ar71xx_mdio0_resources[0].start = AR71XX_GE1_BASE;
- ar71xx_mdio0_resources[0].end = AR71XX_GE1_BASE + 0x200 - 1;
+ mdio_data->is_ar7240 = 1;
break;
default:
break;
}
- ar71xx_mdio0_data.phy_mask = phy_mask;
-
- platform_device_register(&ar71xx_mdio0_device);
+ platform_device_register(mdio_dev);
}
struct ar71xx_eth_pll_data ar71xx_eth0_pll_data;
@@ -723,8 +753,19 @@ void __init ar71xx_add_device_eth(unsigned int id)
ar71xx_eth_instance);
}
- if (pdata->mii_bus_dev == NULL)
- pdata->mii_bus_dev = &ar71xx_mdio0_device.dev;
+ if (pdata->mii_bus_dev == NULL) {
+ switch (ar71xx_soc) {
+ case AR71XX_SOC_AR7241:
+ case AR71XX_SOC_AR9330:
+ case AR71XX_SOC_AR9331:
+ pdata->mii_bus_dev = &ar71xx_mdio1_device.dev;
+ break;
+
+ default:
+ pdata->mii_bus_dev = &ar71xx_mdio0_device.dev;
+ break;
+ }
+ }
/* Reset the device */
ar71xx_device_stop(pdata->reset_bit);
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/devices.h b/target/linux/ar71xx/files/arch/mips/ar71xx/devices.h
index f24d562..2553d17 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/devices.h
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/devices.h
@@ -41,6 +41,7 @@ extern struct platform_device ar71xx_eth1_device;
void ar71xx_add_device_eth(unsigned int id) __init;
extern struct platform_device ar71xx_mdio0_device;
+extern struct platform_device ar71xx_mdio1_device;
void ar71xx_add_device_mdio(unsigned int id, u32 phy_mask) __init;
void ar71xx_add_device_uart(void) __init;