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| author | Tom Rini <trini@ti.com> | 2014-02-05 10:24:24 -0500 |
|---|---|---|
| committer | Pantelis Antoniou <panto@antoniou-consulting.com> | 2014-02-07 18:17:49 +0200 |
| commit | 378ec0f8161d12df63016b7ad1e9415b4221b7dc (patch) | |
| tree | 98284815ee374ce1c4feedb6af705e55b4bea648 /board | |
| parent | 614b2bf1c9bf80dbad24f5e5ce1d115bf24a831d (diff) | |
| download | blackbird-obmc-uboot-378ec0f8161d12df63016b7ad1e9415b4221b7dc.tar.gz blackbird-obmc-uboot-378ec0f8161d12df63016b7ad1e9415b4221b7dc.zip | |
omap5_uevm: Add CONFIG_SUPPORT_EMMC_BOOT, document usage
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>
Signed-off-by: Pantelis Antoniou <panto@antoniou-consulting.com>
Diffstat (limited to 'board')
| -rw-r--r-- | board/ti/omap5_uevm/README | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/board/ti/omap5_uevm/README b/board/ti/omap5_uevm/README new file mode 100644 index 0000000000..970e2eceb7 --- /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 |
