On 01/04/2012 04:01 PM, Scott Wood wrote: > On 01/01/2012 05:31 AM, Xiangfu Liu wrote: >> Hi Scott Wood >> >> this is the patch I try to add nand spl boot for qi_lb60 board >> >> this patch works fine under qi_lb60(ben nanonote) but there are three >> 'extern' lines under: nand_spl/board/qi/qi_lb60/nand_spl.c >> >> those 'extern' lines already in jz4740.h, my question is when I remove >> those three lines under nand_spl/board/qi/qi_lb60/nand_spl.c, it will >> make u-boot-nand.bin break. can't boot the device anymore. > > Are you *sure* that's the only difference between the working and > non-working versions? Could you double-check? > > By "can't boot", you mean that it builds cleanly (no errors or > warnings), but nothing happens after power on? > >> Please give me some advice how to debug the error. > > JTAG? Serial output?
Or compare the resulting binaries, see what's actually changed. -Scott _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot