From f835106c8c9cf0c1f58e169f8570d3dd1eff5b60 Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Sat, 12 Nov 2011 12:09:54 +0000 Subject: [PATCH] ar71xx: add a secondary mdio bus SVN-Revision: 28984 --- .../ar71xx/files/arch/mips/ar71xx/devices.c | 71 +++++++++++++++---- .../ar71xx/files/arch/mips/ar71xx/devices.h | 1 + 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 26b1cf3c7d..0759142ec7 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 f24d562c3e..2553d17cf3 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; -- 2.25.1