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u-boot/board/ti/omap5_uevm
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Tom Rini 378ec0f816 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>
2014-02-07 18:17:49 +02:00
..
evm.c ARM: omap5_uevm: Add SATA support 2013-12-04 08:12:09 -05:00
Makefile board: ti: convert makefiles to Kbuild style 2013-10-31 13:26:44 -04:00
mux_data.h ARM: OMAP5-uevm: Add USB ehci support for the uEVM 2013-08-26 21:56:31 +02:00
README omap5_uevm: Add CONFIG_SUPPORT_EMMC_BOOT, document usage 2014-02-07 18:17:49 +02:00

README 

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