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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>
This commit is contained in:
Piotr Wilczek 2012-09-20 00:19:58 +00:00 committed by Minkyu Kang
parent a3eab2ac41
commit d651e88a00
1 changed files with 12 additions and 56 deletions
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68
board/samsung/trats/trats.c
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@ -29,6 +29,7 @@
#include <asm/arch/cpu.h> #include <asm/arch/cpu.h>
#include <asm/arch/gpio.h> #include <asm/arch/gpio.h>
#include <asm/arch/mmc.h> #include <asm/arch/mmc.h>
#include <asm/arch/pinmux.h>
#include <asm/arch/clock.h> #include <asm/arch/clock.h>
#include <asm/arch/clk.h> #include <asm/arch/clk.h>
#include <asm/arch/mipi_dsim.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 *gpio =
(struct exynos4_gpio_part2 *)samsung_get_base_gpio_part2(); (struct exynos4_gpio_part2 *)samsung_get_base_gpio_part2();
int i, err; int err;
/* eMMC_EN: SD_0_CDn: GPK0[2] Output High */ /* eMMC_EN: SD_0_CDn: GPK0[2] Output High */
s5p_gpio_direction_output(&gpio->k0, 2, 1); s5p_gpio_direction_output(&gpio->k0, 2, 1);
s5p_gpio_set_pull(&gpio->k0, 2, GPIO_PULL_NONE); 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 * MMC device init
* mmc0 : eMMC (8-bit buswidth) * mmc0 : eMMC (8-bit buswidth)
* mmc2 : SD card (4-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 */ /* T-flash detect */
s5p_gpio_cfg_pin(&gpio->x3, 4, 0xf); 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 * GPX3[4] T-flash detect pin
*/ */
if (!s5p_gpio_get_value(&gpio->x3, 4)) { if (!s5p_gpio_get_value(&gpio->x3, 4)) {
/* err = exynos_pinmux_config(PERIPH_ID_SDMMC2, PINMUX_FLAG_NONE);
* SD card GPIO: if (err)
* GPK2[0] SD_2_CLK(2) debug("SDMMC2 not configured\n");
* GPK2[1] SD_2_CMD(2) else
* GPK2[2] SD_2_CDn -> Not used err = s5p_mmc_init(2, 4);
* 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);
} }
return err; return err;