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>

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

include/configs/s5p_goni.h

@@ -67,6 +67,11 @@
 #define CONFIG_SERIAL_MULTI		1
 #define CONFIG_BAUDRATE			115200
 
+/* MMC */
+#define CONFIG_GENERIC_MMC		1
+#define CONFIG_MMC			1
+#define CONFIG_S5P_MMC			1
+
 /* It should define before config_cmd_default.h */
 #define CONFIG_SYS_NO_FLASH		1
 
@@ -82,6 +87,7 @@
 #define CONFIG_CMD_REGINFO
 #define CONFIG_CMD_ONENAND
 #define CONFIG_CMD_MTDPARTS
+#define CONFIG_CMD_MMC
 
 #define CONFIG_BOOTDELAY		1
 #define CONFIG_ZERO_BOOTDELAY_CHECK