arm: rmobile: lager: Add support MMC and MMC command

Lager board has been connected to eMMC of 8GB to MMC1 port.
This enables MMC1 port and MMC command.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

board/renesas/lager/lager.c

@@ -19,8 +19,10 @@
 #include <asm/gpio.h>
 #include <asm/arch/rmobile.h>
 #include <asm/arch/rcar-mstp.h>
+#include <asm/arch/mmc.h>
 #include <miiphy.h>
 #include <i2c.h>
+#include <mmc.h>
 #include "qos.h"
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -54,6 +56,7 @@ void s_init(void)
 #define TMU0_MSTP125	(1 << 25)
 #define SCIF0_MSTP721	(1 << 21)
 #define ETHER_MSTP813	(1 << 13)
+#define MMC1_MSTP305    (1 << 5)
 
 int board_early_init_f(void)
 {
@@ -63,6 +66,8 @@ int board_early_init_f(void)
 	mstp_clrbits_le32(MSTPSR7, SMSTPCR7, SCIF0_MSTP721);
 	/* ETHER */
 	mstp_clrbits_le32(MSTPSR8, SMSTPCR8, ETHER_MSTP813);
+	/* eMMC */
+	mstp_clrbits_le32(MSTPSR3, SMSTPCR3, MMC1_MSTP305);
 
 	return 0;
 }
@@ -141,6 +146,28 @@ int board_phy_config(struct phy_device *phydev)
 	return 0;
 }
 
+int board_mmc_init(bd_t *bis)
+{
+	int ret = 0;
+
+#ifdef CONFIG_SH_MMCIF
+	gpio_request(GPIO_FN_MMC1_D0, NULL);
+	gpio_request(GPIO_FN_MMC1_D1, NULL);
+	gpio_request(GPIO_FN_MMC1_D2, NULL);
+	gpio_request(GPIO_FN_MMC1_D3, NULL);
+	gpio_request(GPIO_FN_MMC1_D4, NULL);
+	gpio_request(GPIO_FN_MMC1_D5, NULL);
+	gpio_request(GPIO_FN_MMC1_D6, NULL);
+	gpio_request(GPIO_FN_MMC1_D7, NULL);
+	gpio_request(GPIO_FN_MMC1_CLK, NULL);
+	gpio_request(GPIO_FN_MMC1_CMD, NULL);
+
+	ret = mmcif_mmc_init();
+#endif
+	return ret;
+}
+
+
 int dram_init(void)
 {
 	gd->ram_size = CONFIG_SYS_SDRAM_SIZE;

include/configs/lager.h

@@ -93,6 +93,15 @@
 #define CONFIG_USB_MAX_CONTROLLER_COUNT	3
 #define CONFIG_USB_STORAGE
 
+/* MMC */
+#define CONFIG_MMC
+#define CONFIG_CMD_MMC
+#define CONFIG_GENERIC_MMC
+
+#define CONFIG_SH_MMCIF
+#define CONFIG_SH_MMCIF_ADDR		0xEE220000
+#define CONFIG_SH_MMCIF_CLK		97500000
+
 /* Module stop status bits */
 /* INTC-RT */
 #define CONFIG_SMSTP0_ENA	0x00400000