Le 24/01/2011 12:39, Daniel Gorsulowski a écrit : > Hello Reinhard, > > ... >>> >>> Check that your AT91Bootstrap loads u-boot to a sane address not at the >>> very end >>> of DRAM, and that CONFIG_SYS_TEXT_BASE is exactly the address where >>> AT91Bootstrap >>> loads u-boot. (I changed AT91Bootstrap to load u-boot to the very begin >>> of DRAM >>> for our boards.) >>> >> >> I neither change the AT91Bootstrap nor the CONFIG_SYS_TEXT_BASE address, >> so the problem must be located elsewhere. >> >> Today I found out by GPIO debugging, that U-Boot seems to boot but prints >> its startup messages to wrong USART with proper baudrate. I'll try to >> find out, why there is no output on DBGU. >> > > I have to correct myself. > My board_init() and checkboard() fanctions are executed. But the board > crashes, before misc_init_r() functions executes. > (I guess, it crashes somwhere in board_init_f()) > I'll try to find out more infos. But without an appropriate opportunity > to debug, it will be verry difficult.
Make sure nothing executes under board_init_f() that tries to write to BSS (uninitialized) variables: BSS does not actually exist until after relocation, and writing to the would-be BSS area will cause corruption of the U-boot code. Not sure this is what happens with you but better safe than sorry. > Best regards > Daniel Amicalement, -- Albert. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
