sh: sh7757lcr: add supporting for MMCIF

The sh7757lcr has 2GByte eMMC chip. This patch supports it.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/board/renesas/sh7757lcr/sh7757lcr.c b/board/renesas/sh7757lcr/sh7757lcr.c
index a62be24..adae9ce 100644
--- a/board/renesas/sh7757lcr/sh7757lcr.c
+++ b/board/renesas/sh7757lcr/sh7757lcr.c
@@ -263,6 +263,11 @@
 	return 0;
 }
 
+int board_mmc_init(bd_t *bis)
+{
+	return mmcif_mmc_init();
+}
+
 static int get_sh_eth_mac_raw(unsigned char *buf, int size)
 {
 	struct spi_flash *spi;
diff --git a/doc/README.sh7757lcr b/doc/README.sh7757lcr
index 37c1a7a..3e9c1c1 100644
--- a/doc/README.sh7757lcr
+++ b/doc/README.sh7757lcr
@@ -12,6 +12,7 @@
  - SPI ROM 8MB
  - 2D Graphic controller
  - Ethernet controller
+ - eMMC 2GB
 
 
 configuration for This board:
diff --git a/include/configs/sh7757lcr.h b/include/configs/sh7757lcr.h
index c1f9ce8..73d2a87 100644
--- a/include/configs/sh7757lcr.h
+++ b/include/configs/sh7757lcr.h
@@ -49,6 +49,10 @@
 #define CONFIG_CMD_MD5SUM
 #define CONFIG_MD5
 #define CONFIG_CMD_LOADS
+#define CONFIG_CMD_MMC
+#define CONFIG_CMD_EXT2
+#define CONFIG_DOS_PARTITION
+#define CONFIG_MAC_PARTITION
 
 #define CONFIG_BAUDRATE		115200
 #define CONFIG_BOOTDELAY	3
@@ -123,6 +127,13 @@
 #define CONFIG_SPI_FLASH
 #define CONFIG_SPI_FLASH_STMICRO	1
 
+/* MMCIF */
+#define CONFIG_MMC			1
+#define CONFIG_GENERIC_MMC		1
+#define CONFIG_SH_MMCIF			1
+#define CONFIG_SH_MMCIF_ADDR		0xffcb0000
+#define CONFIG_SH_MMCIF_CLK		48000000
+
 /* SH7757 board */
 #define SH7757LCR_SDRAM_PHYS_TOP	0x40000000
 #define SH7757LCR_GRA_OFFSET		0x1f000000