MMC Port to uboot

board.c

Files chaged to add MMC support in u-boot code :

1.board/ti/am335x/board.c
2.board/ti/am335x/board.h
3.board/ti/am335x/mux.c
4.include/configs/am335x_evm.h

1.board/ti/am335x/board.c

+	/* Enable pin mux for mmc0 */
+	enable_mmc0_pin_mux();
+

2.board/ti/am335x/board.h
+void enable_mmc0_pin_mux(void);

3.board/ti/am335x/mux.c
+
+void enable_mmc0_pin_mux(void)
+{
+	configure_module_pin_mux(mmc0_pin_mux);
+}


4.include/configs/am335x_evm.h

+#define CONFIG_MMC
+#define CONFIG_GENERIC_MMC
+#define CONFIG_OMAP_HSMMC
+#define CONFIG_CMD_MMC

+#define CONFIG_SPL_MMC_SUPPORT


->These are files changed for adding MMC support in uboot code.
Now we will boot beagle bone board with MMC/SD card support by loading
u-boot.img file in MMC card.