diff options
| author | Piotr Wilczek <p.wilczek@samsung.com> | 2012-09-20 00:19:59 +0000 |
|---|---|---|
| committer | Minkyu Kang <mk7.kang@samsung.com> | 2012-11-15 21:08:18 +0900 |
| commit | ea7991b8f14f258713e8a8ac89cdc6739d487383 (patch) | |
| tree | 3032f211baeea5027fab651066e3a177cc5e43fe /board | |
| parent | d651e88a0007f06babd458aae1e85e9ec7b2a982 (diff) | |
| download | u-boot-imx-ea7991b8f14f258713e8a8ac89cdc6739d487383.zip u-boot-imx-ea7991b8f14f258713e8a8ac89cdc6739d487383.tar.gz u-boot-imx-ea7991b8f14f258713e8a8ac89cdc6739d487383.tar.bz2 | |
arm:exynos4:universal: Use pinmux for mmc configuration
This patch use the pinmux for mmc configuration for Universal C210
Signed-off-by: Piotr Wilczek <p.wilczek@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'board')
| -rw-r--r-- | board/samsung/universal_c210/universal.c | 74 |
1 files changed, 15 insertions, 59 deletions
diff --git a/board/samsung/universal_c210/universal.c b/board/samsung/universal_c210/universal.c index 90fff5c..7a4941c 100644 --- a/board/samsung/universal_c210/universal.c +++ b/board/samsung/universal_c210/universal.c @@ -27,6 +27,7 @@ #include <asm/arch/adc.h> #include <asm/arch/gpio.h> #include <asm/arch/mmc.h> +#include <asm/arch/pinmux.h> #include <pmic.h> #include <usb/s3c_udc.h> #include <asm/arch/cpu.h> @@ -177,7 +178,7 @@ int checkboard(void) #ifdef CONFIG_GENERIC_MMC int board_mmc_init(bd_t *bis) { - int i, err; + int err; switch (get_hwrev()) { case 0: @@ -200,75 +201,30 @@ int board_mmc_init(bd_t *bis) } /* - * 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) + * MMC device init + * mmc0 : eMMC (8-bit buswidth) + * mmc2 : SD card (4-bit buswidth) */ - for (i = 0; i < 7; i++) { - if (i == 2) - continue; - /* GPK0[0:6] special function 2 */ - s5p_gpio_cfg_pin(&gpio2->k0, i, 0x2); - /* GPK0[0:6] pull disable */ - s5p_gpio_set_pull(&gpio2->k0, i, GPIO_PULL_NONE); - /* GPK0[0:6] drv 4x */ - s5p_gpio_set_drv(&gpio2->k0, i, GPIO_DRV_4X); - } - - for (i = 3; i < 7; i++) { - /* GPK1[3:6] special function 3 */ - s5p_gpio_cfg_pin(&gpio2->k1, i, 0x3); - /* GPK1[3:6] pull disable */ - s5p_gpio_set_pull(&gpio2->k1, i, GPIO_PULL_NONE); - /* GPK1[3:6] drv 4x */ - s5p_gpio_set_drv(&gpio2->k1, i, GPIO_DRV_4X); - } + 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(&gpio2->x3, 4, 0xf); s5p_gpio_set_pull(&gpio2->x3, 4, GPIO_PULL_UP); /* - * MMC device init - * mmc0 : eMMC (8-bit buswidth) - * mmc2 : SD card (4-bit buswidth) - */ - err = s5p_mmc_init(0, 8); - - /* * Check the T-flash detect pin * GPX3[4] T-flash detect pin */ if (!s5p_gpio_get_value(&gpio2->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(&gpio2->k2, i, 0x2); - /* GPK2[0:6] pull disable */ - s5p_gpio_set_pull(&gpio2->k2, i, GPIO_PULL_NONE); - /* GPK2[0:6] drv 4x */ - s5p_gpio_set_drv(&gpio2->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; |