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

[ron minnich]

it's an ARM. There was a primitive memory test in the early days of our ARM
ports that might be useful. It was simple but it caught our problems.

On Tue, Aug 4, 2015 at 7:18 AM WANG FEI  wrote:
> 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  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/boot...