Hi,
Simply put, my question is:
To port U-boot-2009.06 into an AT91RM9200-based self-produced board, all the modifications have successfully been done and this latest U-boot runs on my board, named ceiboard. Normal procedure is, downloading loader.bin then U-boot.bin and running on RAM, after that loading boot.bin to FLASH 0x10000000 followed by U-boot.gz on FLASH too, and then set BMS to boot from external memory--FLASH. So, boot.bin runs first and it uncompresses U-boot.gz to RAM and jump to that address on RAM. Now, I don't want this boot.bin thing as a separate file and want it as part of U-boot.bin, how should I do it??
My solution is:
1) copy entry.S, crt0.S, initboot.c, AT91RM9200.h to /board/geari/ceiboard/(which is my board location); and change the jump instruction in crt0.S---not to call the uncompress function, boot(), in AT91RM9200BOOT/main.c, but to call _start in /cpu/arm920t/start.S --- and, of course, to not confuse the compiler, I changed _start of start.S to uboot_start and kept _start in AT91RM9200BOOT/entry.S as the unique entry point of the program. like below:
b boot ===> b uboot_start (in crt0.S)
2) modify linker script /board/geari/ceiboard/u-boot.lds to: ..text : { board/geari/ceiboard/entry.o (.text) board/geari/ceiboard/crt0.o (.text) cpu/arm920t/start.o (.text) *(.text) } and with rest of u-boot.lds intact.
then I started compiling, and got some errors:
/home/johnson-yn/GEARI/u-boot-ceiboard/include/asm/arch/AT91RM9200.h:103: error: expected identifier or ‘(’ before numeric constant /home/johnson-yn/GEARI/u-boot-ceiboard/include/asm/arch/AT91RM9200.h:104: error: expected ‘;’ before ‘AT91_REG’ make[1]: *** [mkimage.o] Error 1 make[1]: Leaving directory `/home/johnson-yn/GEARI/u-boot-ceiboard/tools' make: *** [tools] Error 2
any suggestions????
Regards,
Johnson. Yu
Detlev Zundel wrote:
Hi,
I met this compiling error, any idea?
/common/env_flash.c:312: undefined reference to `flash_sect_protect' /common/env_flash.c:316: undefined reference to `flash_sect_erase' /common/env_flash.c:329: undefined reference to `flash_sect_protect' make: *** [u-boot] Error 1
Sure you are missing the definition of those functions. Maybe you'd care to give us information so we can reproduce this? Is this a standard configuration? What version of U-Boot?
Thanks Detlev
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