This patch use the pinmux for mmc configuration for Trats
Signed-off-by: Piotr Wilczek p.wilczek@samsung.com Signed-off-by: Kyungmin Park kyungmin.park@samsung.com CC: Minkyu Kang mk7.kang@samsung.com Acked-by: Jaehoon Chung jh80.chung@samsung.com --- Changes for v2: - mmc iniatialisation using pinmux Changes for v3: - init SD card also when eMMC init failed Changes for v4: - no changes --- board/samsung/trats/trats.c | 68 +++++++----------------------------------- 1 files changed, 12 insertions(+), 56 deletions(-)
diff --git a/board/samsung/trats/trats.c b/board/samsung/trats/trats.c index 7b981fa..57400ce 100644 --- a/board/samsung/trats/trats.c +++ b/board/samsung/trats/trats.c @@ -29,6 +29,7 @@ #include <asm/arch/cpu.h> #include <asm/arch/gpio.h> #include <asm/arch/mmc.h> +#include <asm/arch/pinmux.h> #include <asm/arch/clock.h> #include <asm/arch/clk.h> #include <asm/arch/mipi_dsim.h> @@ -157,54 +158,22 @@ int board_mmc_init(bd_t *bis) { struct exynos4_gpio_part2 *gpio = (struct exynos4_gpio_part2 *)samsung_get_base_gpio_part2(); - int i, err; + int err;
/* eMMC_EN: SD_0_CDn: GPK0[2] Output High */ s5p_gpio_direction_output(&gpio->k0, 2, 1); s5p_gpio_set_pull(&gpio->k0, 2, GPIO_PULL_NONE);
/* - * eMMC GPIO: - * SDR 8-bit@48MHz at MMC0 - * GPK0[0] SD_0_CLK(2) - * GPK0[1] SD_0_CMD(2) - * GPK0[2] SD_0_CDn -> Not used - * GPK0[3:6] SD_0_DATA[0:3](2) - * GPK1[3:6] SD_0_DATA[0:3](3) - * - * DDR 4-bit@26MHz at MMC4 - * GPK0[0] SD_4_CLK(3) - * GPK0[1] SD_4_CMD(3) - * GPK0[2] SD_4_CDn -> Not used - * GPK0[3:6] SD_4_DATA[0:3](3) - * GPK1[3:6] SD_4_DATA[4:7](4) - */ - for (i = 0; i < 7; i++) { - if (i == 2) - continue; - /* GPK0[0:6] special function 2 */ - s5p_gpio_cfg_pin(&gpio->k0, i, 0x2); - /* GPK0[0:6] pull disable */ - s5p_gpio_set_pull(&gpio->k0, i, GPIO_PULL_NONE); - /* GPK0[0:6] drv 4x */ - s5p_gpio_set_drv(&gpio->k0, i, GPIO_DRV_4X); - } - - for (i = 3; i < 7; i++) { - /* GPK1[3:6] special function 3 */ - s5p_gpio_cfg_pin(&gpio->k1, i, 0x3); - /* GPK1[3:6] pull disable */ - s5p_gpio_set_pull(&gpio->k1, i, GPIO_PULL_NONE); - /* GPK1[3:6] drv 4x */ - s5p_gpio_set_drv(&gpio->k1, i, GPIO_DRV_4X); - } - - /* * MMC device init * mmc0 : eMMC (8-bit buswidth) * mmc2 : SD card (4-bit buswidth) */ - err = s5p_mmc_init(0, 8); + err = exynos_pinmux_config(PERIPH_ID_SDMMC0, PINMUX_FLAG_8BIT_MODE); + if (err) + debug("SDMMC0 not configured\n"); + else + err = s5p_mmc_init(0, 8);
/* T-flash detect */ s5p_gpio_cfg_pin(&gpio->x3, 4, 0xf); @@ -215,24 +184,11 @@ int board_mmc_init(bd_t *bis) * GPX3[4] T-flash detect pin */ if (!s5p_gpio_get_value(&gpio->x3, 4)) { - /* - * SD card GPIO: - * GPK2[0] SD_2_CLK(2) - * GPK2[1] SD_2_CMD(2) - * GPK2[2] SD_2_CDn -> Not used - * GPK2[3:6] SD_2_DATA[0:3](2) - */ - for (i = 0; i < 7; i++) { - if (i == 2) - continue; - /* GPK2[0:6] special function 2 */ - s5p_gpio_cfg_pin(&gpio->k2, i, 0x2); - /* GPK2[0:6] pull disable */ - s5p_gpio_set_pull(&gpio->k2, i, GPIO_PULL_NONE); - /* GPK2[0:6] drv 4x */ - s5p_gpio_set_drv(&gpio->k2, i, GPIO_DRV_4X); - } - err = s5p_mmc_init(2, 4); + err = exynos_pinmux_config(PERIPH_ID_SDMMC2, PINMUX_FLAG_NONE); + if (err) + debug("SDMMC2 not configured\n"); + else + err = s5p_mmc_init(2, 4); }
return err;