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Tom Rinib818d9a2014-02-05 10:24:25 -05001Summary
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3
4This document covers various features of the 'dra7xx_evm' build and some
5related uses.
6
7eMMC boot partition use
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9
10It is possible, depending on SYSBOOT configuration to boot from the eMMC
11boot partitions using (name depending on documentation referenced)
12Alternative Boot operation mode or Boot Sequence Option 1/2. In this
13example we load MLO and u-boot.img from the build into DDR and then use
14'mmc bootbus' to set the required rate (see TRM) and 'mmc partconfig' to
15set boot0 as the boot device.
16U-Boot # setenv autoload no
17U-Boot # usb start
18U-Boot # dhcp
19U-Boot # mmc dev 1 1
20U-Boot # tftp ${loadaddr} dra7xx/MLO
21U-Boot # mmc write ${loadaddr} 0 100
22U-Boot # tftp ${loadaddr} dra7xx/u-boot.img
23U-Boot # mmc write ${loadaddr} 300 400
24U-Boot # mmc bootbus 1 2 0 2
25U-Boot # mmc partconf 1 1 1 0
Tom Rini33ace362014-02-07 14:15:20 -050026U-Boot # mmc rst-function 1 1