[U-Boot] [PATCH v3 07/10] ARMV7: Enable mmc support on TI OMAP4 Panda

[Steve Sakoman]

This patch enables the mmc driver as well as support for FAT and ext2.

It also sets up environment settings to facilitate booting from mmc.

Signed-off-by: Steve Sakoman <steve at sakoman.com>
---
 include/configs/omap4_panda.h |   36 ++++++++++++++++++++++++++++++++++++
 1 files changed, 36 insertions(+), 0 deletions(-)

diff --git a/include/configs/omap4_panda.h b/include/configs/omap4_panda.h
index 5b96b2e..9302ecb 100644
--- a/include/configs/omap4_panda.h
+++ b/include/configs/omap4_panda.h
@@ -93,12 +93,23 @@
 #define CONFIG_SYS_BAUDRATE_TABLE	{4800, 9600, 19200, 38400, 57600,\
 					115200}
 
+/* MMC */
+#define CONFIG_MMC			1
+#define CONFIG_OMAP3_MMC		1
+#define CONFIG_SYS_MMC_SET_DEV		1
+#define CONFIG_DOS_PARTITION		1
+
 /* Flash */
 #define CONFIG_SYS_NO_FLASH	1
 
 /* commands to include */
 #include <config_cmd_default.h>
 
+/* Enabled commands */
+#define CONFIG_CMD_EXT2		/* EXT2 Support                 */
+#define CONFIG_CMD_FAT		/* FAT support                  */
+#define CONFIG_CMD_MMC		/* MMC support                  */
+
 /* Disabled commands */
 #undef CONFIG_CMD_NET
 #undef CONFIG_CMD_FPGA		/* FPGA configuration Support   */
@@ -120,6 +131,31 @@
 #define CONFIG_EXTRA_ENV_SETTINGS \
 	"loadaddr=0x82000000\0" \
 	"console=ttyS2,115200n8\0" \
+	"mmcdev=1\0" \
+	"mmcroot=/dev/mmcblk0p2 rw\0" \
+	"mmcrootfstype=ext3 rootwait\0" \
+	"mmcargs=setenv bootargs console=${console} " \
+		"root=${mmcroot} " \
+		"rootfstype=${mmcrootfstype}\0" \
+	"loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
+	"bootscript=echo Running bootscript from mmc${mmcdev} ...; " \
+		"source ${loadaddr}\0" \
+	"loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
+	"mmcboot=echo Booting from mmc${mmcdev} ...; " \
+		"run mmcargs; " \
+		"bootm ${loadaddr}\0" \
+
+#define CONFIG_BOOTCOMMAND \
+	"if mmc init ${mmcdev}; then " \
+		"if run loadbootscript; then " \
+			"run bootscript; " \
+		"else " \
+			"if run loaduimage; then " \
+				"run mmcboot; " \
+			"else run nandboot; " \
+			"fi; " \
+		"fi; " \
+	"fi"
 
 #define CONFIG_AUTO_COMPLETE		1
 
-- 
1.7.0.4