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 <st...@sakoman.com>
---
include/configs/omap4_sdp4430.h | 36 ++++++++++++++++++++++++++++++++++++
1 files changed, 36 insertions(+), 0 deletions(-)
diff --git a/include/configs/omap4_sdp4430.h b/include/configs/omap4_sdp4430.h
index 07ab93f..3a14d34 100644
--- a/include/configs/omap4_sdp4430.h
+++ b/include/configs/omap4_sdp4430.h
@@ -94,12 +94,23 @@
#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 */
@@ -121,6 +132,31 @@
#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
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