[U-Boot] add nand spl boot for qi_lb60 board

[Scott Wood]

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