This patch use the pinmux for mmc configuration for Trats
Signed-off-by: Piotr Wilczek <p.wilc...@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.p...@samsung.com>
CC: Minkyu Kang <mk7.k...@samsung.com>
Acked-by: Jaehoon Chung <jh80.ch...@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;
--
1.7.5.4
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