[U-Boot] [PATCH v3 7/8] omap5_uevm: Add CONFIG_SUPPORT_EMMC_BOOT, document usage

[Pantelis Antoniou]

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 at 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 at antoniou-consulting.com>