+/* SPL USB Support */
+#define CONFIG_SPL_USB_SUPPORT
+#define CONFIG_SPL_USB_HOST_SUPPORT
+#define CONFIG_SYS_USB_FAT_BOOT_PARTITION 1
+
+#define CONFIG_CMD_USB
+#define CONFIG_USB_HOST
+#define CONFIG_USB_XHCI
+#define CONFIG_USB_XHCI_OMAP
+#define CONFIG_USB_STORAGE
+#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS 2
+
+#define CONFIG_OMAP_USB_PHY
+#define CONFIG_AM437X_USB2PHY2_HOST
+
+#ifndef CONFIG_SPL_BUILD
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ "loadaddr=0x80200000\0" \
+ "fdtaddr=0x80F80000\0" \
+ "fdt_high=0xffffffff\0" \
+ "rdaddr=0x81000000\0" \
+ "fdtfile=undefined\0" \
+ "bootpart=0:2\0" \
+ "bootdir=/boot\0" \
+ "bootfile=zImage\0" \
+ "console=ttyO0,115200n8\0" \
+ "optargs=\0" \
+ "mmcdev=0\0" \
+ "mmcroot=/dev/mmcblk0p2 rw\0" \
+ "mmcrootfstype=ext4 rootwait\0" \
+ "usbroot=/dev/sda2 rw\0" \
+ "usbrootfstype=ext4 rootwait\0" \
+ "usbdev=0\0" \
+ "ramroot=/dev/ram0 rw ramdisk_size=65536 initrd=${rdaddr},64M\0" \
+ "ramrootfstype=ext2\0" \
+ "mmcargs=setenv bootargs console=${console} " \
+ "${optargs} " \
+ "root=${mmcroot} " \
+ "rootfstype=${mmcrootfstype}\0" \
+ "usbargs=setenv bootargs console=${console} " \
+ "${optargs} " \
+ "root=${usbroot} " \
+ "rootfstype=${usbrootfstype}\0" \
+ "bootenv=uEnv.txt\0" \
+ "loadbootenv=load ${devtype} ${devnum} ${loadaddr} ${bootenv}\0" \
+ "importbootenv=echo Importing environment from mmc ...; " \
+ "env import -t $loadaddr $filesize\0" \
+ "ramargs=setenv bootargs console=${console} " \
+ "${optargs} " \
+ "root=${ramroot} " \
+ "rootfstype=${ramrootfstype}\0" \
+ "loadramdisk=load ${devtype} ${devnum} ${rdaddr} ramdisk.gz\0" \
+ "loadimage=load ${devtype} ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \
+ "loadfdt=load ${devtype} ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
+ "mmcboot=mmc dev ${mmcdev}; " \
+ "setenv devnum ${mmcdev}; " \
+ "if mmc rescan; then " \
+ "echo SD/MMC found on device ${devnum};" \
+ "if run loadbootenv; then " \
+ "echo Loaded environment from ${bootenv};" \
+ "run importbootenv;" \
+ "fi;" \
+ "if test -n $uenvcmd; then " \
+ "echo Running uenvcmd ...;" \
+ "run uenvcmd;" \
+ "fi;" \
+ "if run loadimage; then " \
+ "run loadfdt; " \
+ "echo Booting from mmc${mmcdev} ...; " \
+ "run mmcargs; " \
+ "bootz ${loadaddr} - ${fdtaddr}; " \
+ "fi;" \
+ "fi;\0" \
+ "usbboot=" \
+ "setenv devnum ${usbdev}; " \
+ "setenv devtype usb; " \
+ "usb start ${usbdev}; " \
+ "if usb dev ${usbdev}; then " \
+ "if run loadbootenv; then " \
+ "echo Loaded environment from ${bootenv};" \
+ "run importbootenv;" \
+ "fi;" \
+ "if test -n $uenvcmd; then " \
+ "echo Running uenvcmd ...;" \
+ "run uenvcmd;" \
+ "fi;" \
+ "if run loadimage; then " \
+ "run loadfdt; " \
+ "echo Booting from usb ${usbdev}...; " \
+ "run usbargs;" \
+ "bootz ${loadaddr} - ${fdtaddr}; " \
+ "fi;" \
+ "fi\0" \
+ "findfdt="\
+ "if test $board_name = AM43EPOS; then " \
+ "setenv fdtfile am43x-epos-evm.dtb; fi; " \
+ "if test $board_name = AM43__GP; then " \
+ "setenv fdtfile am437x-gp-evm.dtb; fi; " \
+ "if test $fdtfile = undefined; then " \
+ "echo WARNING: Could not determine device tree; fi; \0"
+
+#define CONFIG_BOOTCOMMAND \
+ "run findfdt; " \
+ "run mmcboot;" \
+ "run usbboot;"