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| author | Adam Ford <aford173@gmail.com> | 2018-08-11 07:34:55 -0500 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-08-20 07:21:28 -0400 |
| commit | 09d841176d56eac23bc55ff0c5e2ddd14ede2353 (patch) | |
| tree | d0923308642409aa44309af7368470e658d8b914 /board/davinci | |
| parent | c4fa049a121457ff38b74daac32e18d7afbd4538 (diff) | |
| download | u-boot-09d841176d56eac23bc55ff0c5e2ddd14ede2353.zip u-boot-09d841176d56eac23bc55ff0c5e2ddd14ede2353.tar.gz u-boot-09d841176d56eac23bc55ff0c5e2ddd14ede2353.tar.bz2 | |
ARM: da8xxevm: README: Add NOR booting instructions
The da850evm with its UI expander board can boot XIP boot from
NOR flash. This adds the instructions to the readme. file.
Signed-off-by: Adam Ford <aford173@gmail.com>
Diffstat (limited to 'board/davinci')
| -rw-r--r-- | board/davinci/da8xxevm/README.da850 | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/board/davinci/da8xxevm/README.da850 b/board/davinci/da8xxevm/README.da850 index 519267e..f24e8b5 100644 --- a/board/davinci/da8xxevm/README.da850 +++ b/board/davinci/da8xxevm/README.da850 @@ -112,6 +112,25 @@ uflash writes the AIS image at offset 117. For compatibility with uflash, CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR is set to take into account this offset, and the dd command is adjusted accordingly. +Flashing the images to NOR +========================== +NOR Flash is XIP (execute-in-place), so no AIS (or SPL) is needed. The +u-boot.bin is directy flashed, but CONFIT_DA850_LOWLEVEL must be set +to initialize hardware that's normally done by SPL. + +For this case, CONFIG_SYS_TEXT_BASE=0x60000000 which is the address to +which the bootloader jumps when powered on. + +Example: +For the da850evm, there is a defconfig setup to use the NOR flash on +the UI expander board called da850evm_direct_nor_defconfig. + +Flash to NOR directly using +sudo mono ./sfh_OMAP-L138.exe -p /dev/ttyUSB0 -flash_noubl + -flashType NOR u-boot.bin + +SW7:5 through SW7:7 should be switched on and all others off. + Recovery ======== |