From 36aecb08b8ed131b0bec301ba2a20075e185bfd3 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Thu, 28 Apr 2011 19:30:49 +0000 Subject: [PATCH] ar71xx: fix MDIO access on ar7242 (based on a patch by Jess Zhu) SVN-Revision: 26777 --- .../ar71xx/files/arch/mips/ar71xx/devices.c | 86 +++++++++++++------ .../mips/include/asm/mach-ar71xx/ar71xx.h | 2 + 2 files changed, 63 insertions(+), 25 deletions(-) diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/devices.c b/target/linux/ar71xx/files/arch/mips/ar71xx/devices.c index 8929f231ec93..86107ef3653f 100644 --- a/target/linux/ar71xx/files/arch/mips/ar71xx/devices.c +++ b/target/linux/ar71xx/files/arch/mips/ar71xx/devices.c @@ -105,29 +105,6 @@ struct platform_device ar71xx_mdio_device = { }, }; -void __init ar71xx_add_device_mdio(u32 phy_mask) -{ - switch (ar71xx_soc) { - case AR71XX_SOC_AR7240: - ar71xx_mdio_data.is_ar7240 = 1; - break; - case AR71XX_SOC_AR7241: - ar71xx_mdio_data.is_ar7240 = 1; - ar71xx_mdio_resources[0].start = AR71XX_GE1_BASE; - ar71xx_mdio_resources[0].end = AR71XX_GE1_BASE + 0x200 - 1; - break; - case AR71XX_SOC_AR7242: - ar71xx_mdio_data.is_ar7240 = 1; - break; - default: - break; - } - - ar71xx_mdio_data.phy_mask = phy_mask; - - platform_device_register(&ar71xx_mdio_device); -} - static void ar71xx_set_pll(u32 cfg_reg, u32 pll_reg, u32 pll_val, u32 shift) { void __iomem *base; @@ -157,6 +134,31 @@ static void ar71xx_set_pll(u32 cfg_reg, u32 pll_reg, u32 pll_val, u32 shift) iounmap(base); } +void __init ar71xx_add_device_mdio(u32 phy_mask) +{ + switch (ar71xx_soc) { + case AR71XX_SOC_AR7240: + ar71xx_mdio_data.is_ar7240 = 1; + break; + case AR71XX_SOC_AR7241: + ar71xx_mdio_data.is_ar7240 = 1; + ar71xx_mdio_resources[0].start = AR71XX_GE1_BASE; + ar71xx_mdio_resources[0].end = AR71XX_GE1_BASE + 0x200 - 1; + break; + case AR71XX_SOC_AR7242: + ar71xx_set_pll(AR71XX_PLL_REG_SEC_CONFIG, + AR7242_PLL_REG_ETH0_INT_CLOCK, 0x62000000, + AR71XX_ETH0_PLL_SHIFT); + break; + default: + break; + } + + ar71xx_mdio_data.phy_mask = phy_mask; + + platform_device_register(&ar71xx_mdio_device); +} + struct ar71xx_eth_pll_data ar71xx_eth0_pll_data; struct ar71xx_eth_pll_data ar71xx_eth1_pll_data; @@ -219,6 +221,14 @@ static void ar724x_set_pll_ge1(int speed) /* TODO */ } +static void ar7242_set_pll_ge0(int speed) +{ + u32 val = ar71xx_get_eth_pll(0, speed); + + ar71xx_set_pll(AR71XX_PLL_REG_SEC_CONFIG, AR7242_PLL_REG_ETH0_INT_CLOCK, + val, AR71XX_ETH0_PLL_SHIFT); +} + static void ar91xx_set_pll_ge0(int speed) { u32 val = ar71xx_get_eth_pll(0, speed); @@ -339,6 +349,10 @@ struct platform_device ar71xx_eth1_device = { #define AR724X_PLL_VAL_100 0x00001099 #define AR724X_PLL_VAL_10 0x00991099 +#define AR7242_PLL_VAL_1000 0x1c000000 +#define AR7242_PLL_VAL_100 0x00000101 +#define AR7242_PLL_VAL_10 0x00001616 + #define AR91XX_PLL_VAL_1000 0x1a000000 #define AR91XX_PLL_VAL_100 0x13000a44 #define AR91XX_PLL_VAL_10 0x00441099 @@ -370,12 +384,17 @@ static void __init ar71xx_init_eth_pll_data(unsigned int id) case AR71XX_SOC_AR7240: case AR71XX_SOC_AR7241: - case AR71XX_SOC_AR7242: pll_10 = AR724X_PLL_VAL_10; pll_100 = AR724X_PLL_VAL_100; pll_1000 = AR724X_PLL_VAL_1000; break; + case AR71XX_SOC_AR7242: + pll_10 = AR7242_PLL_VAL_10; + pll_100 = AR7242_PLL_VAL_100; + pll_1000 = AR7242_PLL_VAL_1000; + break; + case AR71XX_SOC_AR9130: case AR71XX_SOC_AR9132: pll_10 = AR91XX_PLL_VAL_10; @@ -465,8 +484,25 @@ void __init ar71xx_add_device_eth(unsigned int id) pdata->has_gbit = 1; break; - case AR71XX_SOC_AR7241: case AR71XX_SOC_AR7242: + ar71xx_eth0_data.reset_bit |= AR724X_RESET_GE0_MDIO; + ar71xx_eth1_data.reset_bit |= AR724X_RESET_GE1_MDIO; + pdata->ddr_flush = id ? ar724x_ddr_flush_ge1 + : ar724x_ddr_flush_ge0; + pdata->set_pll = id ? ar724x_set_pll_ge1 + : ar7242_set_pll_ge0; + pdata->has_gbit = 1; + pdata->is_ar724x = 1; + + if (!pdata->fifo_cfg1) + pdata->fifo_cfg1 = 0x0010ffff; + if (!pdata->fifo_cfg2) + pdata->fifo_cfg2 = 0x015500aa; + if (!pdata->fifo_cfg3) + pdata->fifo_cfg3 = 0x01f00140; + break; + + case AR71XX_SOC_AR7241: ar71xx_eth0_data.reset_bit |= AR724X_RESET_GE0_MDIO; ar71xx_eth1_data.reset_bit |= AR724X_RESET_GE1_MDIO; /* fall through */ diff --git a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h index a0232d6897d0..48c4a739d6b4 100644 --- a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h +++ b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h @@ -166,6 +166,8 @@ extern enum ar71xx_soc_type ar71xx_soc; #define AR724X_DDR_DIV_SHIFT 22 #define AR724X_DDR_DIV_MASK 0x3 +#define AR7242_PLL_REG_ETH0_INT_CLOCK 0x2c + #define AR91XX_PLL_REG_CPU_CONFIG 0x00 #define AR91XX_PLL_REG_ETH_CONFIG 0x04 #define AR91XX_PLL_REG_ETH0_INT_CLOCK 0x14 -- 2.30.2