arm:exynos4:trats: Use pinmux for mmc configuration
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> Acked-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
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@ -29,6 +29,7 @@
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#include <asm/arch/cpu.h>
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#include <asm/arch/gpio.h>
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#include <asm/arch/mmc.h>
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#include <asm/arch/pinmux.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/clk.h>
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#include <asm/arch/mipi_dsim.h>
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@ -157,54 +158,22 @@ int board_mmc_init(bd_t *bis)
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{
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struct exynos4_gpio_part2 *gpio =
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(struct exynos4_gpio_part2 *)samsung_get_base_gpio_part2();
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int i, err;
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int err;
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/* eMMC_EN: SD_0_CDn: GPK0[2] Output High */
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s5p_gpio_direction_output(&gpio->k0, 2, 1);
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s5p_gpio_set_pull(&gpio->k0, 2, GPIO_PULL_NONE);
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/*
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* eMMC GPIO:
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* SDR 8-bit@48MHz at MMC0
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* GPK0[0] SD_0_CLK(2)
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* GPK0[1] SD_0_CMD(2)
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* GPK0[2] SD_0_CDn -> Not used
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* GPK0[3:6] SD_0_DATA[0:3](2)
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* GPK1[3:6] SD_0_DATA[0:3](3)
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*
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* DDR 4-bit@26MHz at MMC4
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* GPK0[0] SD_4_CLK(3)
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* GPK0[1] SD_4_CMD(3)
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* GPK0[2] SD_4_CDn -> Not used
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* GPK0[3:6] SD_4_DATA[0:3](3)
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* GPK1[3:6] SD_4_DATA[4:7](4)
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*/
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for (i = 0; i < 7; i++) {
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if (i == 2)
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continue;
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/* GPK0[0:6] special function 2 */
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s5p_gpio_cfg_pin(&gpio->k0, i, 0x2);
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/* GPK0[0:6] pull disable */
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s5p_gpio_set_pull(&gpio->k0, i, GPIO_PULL_NONE);
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/* GPK0[0:6] drv 4x */
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s5p_gpio_set_drv(&gpio->k0, i, GPIO_DRV_4X);
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}
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for (i = 3; i < 7; i++) {
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/* GPK1[3:6] special function 3 */
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s5p_gpio_cfg_pin(&gpio->k1, i, 0x3);
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/* GPK1[3:6] pull disable */
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s5p_gpio_set_pull(&gpio->k1, i, GPIO_PULL_NONE);
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/* GPK1[3:6] drv 4x */
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s5p_gpio_set_drv(&gpio->k1, i, GPIO_DRV_4X);
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}
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/*
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* MMC device init
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* mmc0 : eMMC (8-bit buswidth)
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* mmc2 : SD card (4-bit buswidth)
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*/
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err = s5p_mmc_init(0, 8);
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err = exynos_pinmux_config(PERIPH_ID_SDMMC0, PINMUX_FLAG_8BIT_MODE);
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if (err)
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debug("SDMMC0 not configured\n");
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else
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err = s5p_mmc_init(0, 8);
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/* T-flash detect */
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s5p_gpio_cfg_pin(&gpio->x3, 4, 0xf);
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@ -215,24 +184,11 @@ int board_mmc_init(bd_t *bis)
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* GPX3[4] T-flash detect pin
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*/
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if (!s5p_gpio_get_value(&gpio->x3, 4)) {
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/*
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* SD card GPIO:
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* GPK2[0] SD_2_CLK(2)
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* GPK2[1] SD_2_CMD(2)
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* GPK2[2] SD_2_CDn -> Not used
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* GPK2[3:6] SD_2_DATA[0:3](2)
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*/
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for (i = 0; i < 7; i++) {
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if (i == 2)
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continue;
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/* GPK2[0:6] special function 2 */
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s5p_gpio_cfg_pin(&gpio->k2, i, 0x2);
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/* GPK2[0:6] pull disable */
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s5p_gpio_set_pull(&gpio->k2, i, GPIO_PULL_NONE);
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/* GPK2[0:6] drv 4x */
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s5p_gpio_set_drv(&gpio->k2, i, GPIO_DRV_4X);
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}
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err = s5p_mmc_init(2, 4);
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err = exynos_pinmux_config(PERIPH_ID_SDMMC2, PINMUX_FLAG_NONE);
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if (err)
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debug("SDMMC2 not configured\n");
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else
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err = s5p_mmc_init(2, 4);
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}
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return err;
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