From 6bf45a1018ff3cda8b6ef2fa7e023a023bc01dc8 Mon Sep 17 00:00:00 2001 From: Takashi YOSHII Date: Wed, 22 Dec 2010 06:35:30 +0000 Subject: [PATCH] ARM: mach-shmobile: Add eMMC support through MMCIF on AG5EVM Adding platform resources, PFC setting and release reset pin for eMMC on ag5evm. [damm@opensource.se: Add MSTP code for MMCIF] Signed-off-by: Takashi YOSHII Signed-off-by: Magnus Damm Signed-off-by: Paul Mundt --- arch/arm/mach-shmobile/board-ag5evm.c | 54 ++++++++++++++++++++++++++- arch/arm/mach-shmobile/clock-sh73a0.c | 4 +- 2 files changed, 56 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-shmobile/board-ag5evm.c b/arch/arm/mach-shmobile/board-ag5evm.c index c6b152469972..2f135923e2bd 100644 --- a/arch/arm/mach-shmobile/board-ag5evm.c +++ b/arch/arm/mach-shmobile/board-ag5evm.c @@ -32,6 +32,8 @@ #include #include #include +#include +#include #include @@ -146,10 +148,46 @@ static struct platform_device fsi_device = { }, }; +static struct resource sh_mmcif_resources[] = { + [0] = { + .name = "MMCIF", + .start = 0xe6bd0000, + .end = 0xe6bd00ff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = gic_spi(141), + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = gic_spi(140), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct sh_mmcif_plat_data sh_mmcif_platdata = { + .sup_pclk = 0, + .ocr = MMC_VDD_165_195, + .caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE, +}; + +static struct platform_device mmc_device = { + .name = "sh_mmcif", + .id = 0, + .dev = { + .dma_mask = NULL, + .coherent_dma_mask = 0xffffffff, + .platform_data = &sh_mmcif_platdata, + }, + .num_resources = ARRAY_SIZE(sh_mmcif_resources), + .resource = sh_mmcif_resources, +}; + static struct platform_device *ag5evm_devices[] __initdata = { ð_device, &keysc_device, &fsi_device, + &mmc_device, }; static struct map_desc ag5evm_io_desc[] __initdata = { @@ -216,12 +254,26 @@ static void __init ag5evm_init(void) gpio_request(GPIO_FN_KEYOUT8, NULL); gpio_request(GPIO_FN_PORT149_KEYOUT9, NULL); - /* enable IC2 2 and 3 */ + /* enable I2C channel 2 and 3 */ gpio_request(GPIO_FN_PORT236_I2C_SDA2, NULL); gpio_request(GPIO_FN_PORT237_I2C_SCL2, NULL); gpio_request(GPIO_FN_PORT248_I2C_SCL3, NULL); gpio_request(GPIO_FN_PORT249_I2C_SDA3, NULL); + /* enable MMCIF */ + gpio_request(GPIO_FN_MMCCLK0, NULL); + gpio_request(GPIO_FN_MMCCMD0_PU, NULL); + gpio_request(GPIO_FN_MMCD0_0, NULL); + gpio_request(GPIO_FN_MMCD0_1, NULL); + gpio_request(GPIO_FN_MMCD0_2, NULL); + gpio_request(GPIO_FN_MMCD0_3, NULL); + gpio_request(GPIO_FN_MMCD0_4, NULL); + gpio_request(GPIO_FN_MMCD0_5, NULL); + gpio_request(GPIO_FN_MMCD0_6, NULL); + gpio_request(GPIO_FN_MMCD0_7, NULL); + gpio_request(GPIO_PORT208, NULL); /* Reset */ + gpio_direction_output(GPIO_PORT208, 1); + /* enable SMSC911X */ gpio_request(GPIO_PORT144, NULL); /* PINTA2 */ gpio_direction_input(GPIO_PORT144); diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c b/arch/arm/mach-shmobile/clock-sh73a0.c index 7d0dbe10c845..419581854a80 100644 --- a/arch/arm/mach-shmobile/clock-sh73a0.c +++ b/arch/arm/mach-shmobile/clock-sh73a0.c @@ -258,7 +258,7 @@ enum { MSTP001, MSTP125, MSTP116, MSTP219, MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200, - MSTP331, MSTP329, MSTP323, + MSTP331, MSTP329, MSTP323, MSTP312, MSTP411, MSTP410, MSTP403, MSTP_NR }; @@ -280,6 +280,7 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP331] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 31, 0), /* SCIFA6 */ [MSTP329] = MSTP(&r_clk, SMSTPCR3, 29, 0), /* CMT10 */ [MSTP323] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 23, 0), /* IIC1 */ + [MSTP312] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMCIF0 */ [MSTP411] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 11, 0), /* IIC3 */ [MSTP410] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 10, 0), /* IIC4 */ [MSTP403] = MSTP(&r_clk, SMSTPCR4, 3, 0), /* KEYSC */ @@ -308,6 +309,7 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP331]), /* SCIFA6 */ CLKDEV_DEV_ID("sh_cmt.10", &mstp_clks[MSTP329]), /* CMT10 */ CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* I2C1 */ + CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMCIF0 */ CLKDEV_DEV_ID("i2c-sh_mobile.3", &mstp_clks[MSTP411]), /* I2C3 */ CLKDEV_DEV_ID("i2c-sh_mobile.4", &mstp_clks[MSTP410]), /* I2C4 */ CLKDEV_DEV_ID("sh_keysc.0", &mstp_clks[MSTP403]), /* KEYSC */ -- 2.20.1