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authorMinkyu Kang <mk7.kang@samsung.com>2010-07-06 20:58:41 +0900
committerMinkyu Kang <mk7.kang@samsung.com>2010-08-03 10:18:23 +0900
commit87f314e98beae1d922ef5d182eb9b4c2027f11ed (patch)
treefcbcade39f8e15fde3adca4e7d862f692e05ee41 /board/samsung/goni/goni.c
parent5000284872585e27fa1af57325fe36c4588eccdc (diff)
downloadblackbird-obmc-uboot-87f314e98beae1d922ef5d182eb9b4c2027f11ed.tar.gz
blackbird-obmc-uboot-87f314e98beae1d922ef5d182eb9b4c2027f11ed.zip
s5p_goni: enable mmc0
Adds the board_mmc_init function and enable the mmc command Signed-off-by: Minkyu Kang <mk7.kang@samsung.com> Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Diffstat (limited to 'board/samsung/goni/goni.c')
-rw-r--r--board/samsung/goni/goni.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/board/samsung/goni/goni.c b/board/samsung/goni/goni.c
index e512c59088..060d5d17c9 100644
--- a/board/samsung/goni/goni.c
+++ b/board/samsung/goni/goni.c
@@ -23,11 +23,18 @@
*/
#include <common.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/mmc.h>
DECLARE_GLOBAL_DATA_PTR;
+static struct s5pc110_gpio *s5pc110_gpio;
+
int board_init(void)
{
+ /* Set Initial global variables */
+ s5pc110_gpio = (struct s5pc110_gpio *)S5PC110_GPIO_BASE;
+
gd->bd->bi_arch_number = MACH_TYPE_GONI;
gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
@@ -53,3 +60,33 @@ int checkboard(void)
return 0;
}
#endif
+
+#ifdef CONFIG_GENERIC_MMC
+int board_mmc_init(bd_t *bis)
+{
+ int i;
+
+ /* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */
+ gpio_direction_output(&s5pc110_gpio->gpio_j2, 7, 1);
+
+ /*
+ * MMC0 GPIO
+ * GPG0[0] SD_0_CLK
+ * GPG0[1] SD_0_CMD
+ * GPG0[2] SD_0_CDn -> Not used
+ * GPG0[3:6] SD_0_DATA[0:3]
+ */
+ for (i = 0; i < 7; i++) {
+ if (i == 2)
+ continue;
+ /* GPG0[0:6] special function 2 */
+ gpio_cfg_pin(&s5pc110_gpio->gpio_g0, i, 0x2);
+ /* GPG0[0:6] pull disable */
+ gpio_set_pull(&s5pc110_gpio->gpio_g0, i, GPIO_PULL_NONE);
+ /* GPG0[0:6] drv 4x */
+ gpio_set_drv(&s5pc110_gpio->gpio_g0, i, GPIO_DRV_4X);
+ }
+
+ return s5p_mmc_init(0);
+}
+#endif
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