[coreboot] How to check if DRAM init is OK?

[WANG FEI]

How about MemTest86? See this link http://www.coreboot.org/Memtest86, I
never use it before.


On Tue, Aug 4, 2015 at 6:16 AM, Iru Cai <mytbk920423 at gmail.com> wrote:

> Hi,
>
> I'm now porting coreboot to CubieTruck, a development board with an
> Allwinner A20 SoC. I use Mr.Nuke's code[1] and Allwinner's user manual for
> reference.However, when I modified the code and tested with the board, the
> console gave only two lines of message and it get stuck. So I thought DRAM
> init failed. I put some printks at bootblock_media.c, and found the bug
> occurs at line 118[2], which showed the access of a certain memory space
> caused the error. So I need to know how to check if the DRAM init works.
>
> Thanks
> Iru Cai
>
> [1] https://github.com/mrnuke/coreboot/tree/cubie_mmc
> [2]
> https://github.com/mrnuke/coreboot/blob/cubie_mmc/src/cpu/allwinner/a10/bootblock_media.c#L118
>
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