add extensions for the axm board:
- power on LED on power up
- press both recovery buttons on power up to enter
recovery mode
- detect 64 MiB and 128 MiB ramsize
- PHY rest at reboot because of ATMEL bug
- use siemens update concept
- add axm default environment
- set CONFIG_SPL_MAX_SIZE to 15k
Signed-off-by: Heiko Schocher <hs@denx.de>
if in SPL mode recovery button is pressed, erase also spi flash
from offset 0 to CONFIG_SYS_NAND_U_BOOT_SIZE on the taurus board.
Signed-off-by: Heiko Schocher <hs@denx.de>
replaces the at91bootstrap code with SPL code.
make the spl image with:
./tools/mkimage -T atmelimage -d spl/u-boot-spl.bin spl/boot.bin
this writes the length of the spl image into the 6th
execption vector. This is needed from the ROM bootloader.
Signed-off-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
enable support for the siemens AT91SAM9G20 based boards taurus
and axm.
Signed-off-by: Roger Meier <r.meier@siemens.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
Cc: Andreas Bießmann <andreas.devel@googlemail.com>
Cc: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
