--- nm hongtd2k@gmail.com wrote:
Hi, I'm operating on an at91rm9200-based board. My AT91RM9200 board base on Flavio Ribeiro's sbc. After I sucessfully write and run loader to/from dataflash, I try to make u-boot work . I apply DataFlash boot patch (http://www.ime.usp.br/~fr/sbc/software/cmd_bootm.patch) for u-boot 1.1.2 and using gcc3.3.4-cross tool chain (install following this instructions on debian : http://people.debian.org/~debacle/cross/) to build.
I have problem w/ renaming short-load-bytes
to alignment-traps on gcc3.3.4 (
http://www.google.com/url?sa=t&ct=res&cd=1&url=http%3A%2F%2Fgcc....)
To resolve it, I modify PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \ -mshort-load-bytes
-msoft-float to PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \ -malignment-traps -msoft-float to on u-boot-1.1.2/cpu/at91rm9200/config.mk
After that, I get uboot.bin
But when i try to write uboot.bin to flash and start, i have error on terminal : Dataflash read successful: Starting U-boot...
and nothing happend, may be my board is hang...
Where am I wrong? Some one have any suggested for me ?
Thank you for your help in advance,
nm.
You two choices: Buy a debugger, light some led's or wiggle pin with a different number of pules to help you figure out where you're hanging. The console is enabled very early in the booting process and if you don't see anything (assuming the code is correct for UART), you are hanging very soon after the reset vector...
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