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- Summary
- =======
- This document covers various features of the 'dra7xx_evm' 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} dra7xx/MLO
- U-Boot # mmc write ${loadaddr} 0 100
- U-Boot # tftp ${loadaddr} dra7xx/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
- U-Boot # mmc rst-function 1 1
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