Hi Tom,
On Feb 5, 2014, at 5:24 PM, Tom Rini wrote:
Add a README to the board which lists the commands required to enable booting from the eMMC boot partitions found on the board.
Signed-off-by: Tom Rini trini@ti.com
board/ti/omap5_uevm/README | 25 +++++++++++++++++++++++++ include/configs/omap5_uevm.h | 1 + 2 files changed, 26 insertions(+) create mode 100644 board/ti/omap5_uevm/README
diff --git a/board/ti/omap5_uevm/README b/board/ti/omap5_uevm/README new file mode 100644 index 0000000..970e2ec --- /dev/null +++ b/board/ti/omap5_uevm/README @@ -0,0 +1,25 @@ +Summary +=======
+This document covers various features of the 'omap5_uevm' build and some +related uses.
+eMMC boot partition use +=======================
+It is possible, depending on SYSBOOT configuration to boot from the eMMC +boot partitions using (name depending on documentation referenced) +Alternative Boot operation mode or Boot Sequence Option 1/2. In this +example we load MLO and u-boot.img from the build into DDR and then use +'mmc bootbus' to set the required rate (see TRM) and 'mmc partconfig' to +set boot0 as the boot device. +U-Boot # setenv autoload no +U-Boot # usb start +U-Boot # dhcp +U-Boot # mmc dev 1 1 +U-Boot # tftp ${loadaddr} omap5uevm/MLO +U-Boot # mmc write ${loadaddr} 0 100 +U-Boot # tftp ${loadaddr} omap5uevm/u-boot.img +U-Boot # mmc write ${loadaddr} 300 400 +U-Boot # mmc bootbus 1 2 0 2 +U-Boot # mmc partconf 1 1 1 0 diff --git a/include/configs/omap5_uevm.h b/include/configs/omap5_uevm.h index 76c5106..3df502e 100644 --- a/include/configs/omap5_uevm.h +++ b/include/configs/omap5_uevm.h @@ -37,6 +37,7 @@ #define CONFIG_PARTITION_UUIDS #define CONFIG_CMD_PART #define CONFIG_HSMMC2_8BIT +#define CONFIG_SUPPORT_EMMC_BOOT
/* Required support for the TCA642X GPIO we have on the uEVM */
#define CONFIG_TCA642X
1.7.9.5
Applied. Thanks.
Signed-off-by: Pantelis Antoniou panto@antoniou-consulting.com