| Tom Rini | b818d9a | 2014-02-05 10:24:25 -0500 | [diff] [blame] | 1 | Summary |
| 2 | ======= |
| 3 | |
| 4 | This document covers various features of the 'dra7xx_evm' build and some |
| 5 | related uses. |
| 6 | |
| 7 | eMMC boot partition use |
| 8 | ======================= |
| 9 | |
| 10 | It is possible, depending on SYSBOOT configuration to boot from the eMMC |
| 11 | boot partitions using (name depending on documentation referenced) |
| 12 | Alternative Boot operation mode or Boot Sequence Option 1/2. In this |
| 13 | example 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 |
| 15 | set boot0 as the boot device. |
| 16 | U-Boot # setenv autoload no |
| 17 | U-Boot # usb start |
| 18 | U-Boot # dhcp |
| 19 | U-Boot # mmc dev 1 1 |
| 20 | U-Boot # tftp ${loadaddr} dra7xx/MLO |
| 21 | U-Boot # mmc write ${loadaddr} 0 100 |
| 22 | U-Boot # tftp ${loadaddr} dra7xx/u-boot.img |
| 23 | U-Boot # mmc write ${loadaddr} 300 400 |
| 24 | U-Boot # mmc bootbus 1 2 0 2 |
| 25 | U-Boot # mmc partconf 1 1 1 0 |
| Tom Rini | 33ace36 | 2014-02-07 14:15:20 -0500 | [diff] [blame] | 26 | U-Boot # mmc rst-function 1 1 |