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author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
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committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
tree | 65ca85f13617aee1dce474596800950f266a456c /roms/u-boot/board/ti/omap5_uevm/README | |
download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip |
Diffstat (limited to 'roms/u-boot/board/ti/omap5_uevm/README')
-rw-r--r-- | roms/u-boot/board/ti/omap5_uevm/README | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/roms/u-boot/board/ti/omap5_uevm/README b/roms/u-boot/board/ti/omap5_uevm/README new file mode 100644 index 00000000..970e2ece --- /dev/null +++ b/roms/u-boot/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 |