This patch use the pinmux for mmc configuration for Universal C210
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>
---
Changes for v2:
- mmc initialisation using pinmux
board/samsung/universal_c210/universal.c | 70 ++++++-----------------------
1 files changed, 15 insertions(+), 55 deletions(-)
diff --git a/board/samsung/universal_c210/universal.c
b/board/samsung/universal_c210/universal.c
index 90fff5c..f6bc51d 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:
@@ -199,46 +200,12 @@ int board_mmc_init(bd_t *bis)
break;
}
- /*
- * 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(&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");
+ return err;
}
- /* 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)
@@ -246,28 +213,21 @@ int board_mmc_init(bd_t *bis)
*/
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);
+
/*
* 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 = exynos_pinmux_config(PERIPH_ID_SDMMC2, PINMUX_FLAG_NONE);
+ if (err) {
+ debug("SDMMC2 not configured\n");
+ return err;
}
+
err = s5p_mmc_init(2, 4);
}
--
1.7.5.4
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