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
diff --git a/board/davinci/da8xxevm/README.da850 b/board/davinci/da8xxevm/README.da850 index 519267e2f0..f24e8b5342 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 ========