[U-Boot] Newbie SPL question for socfpga_sockit

[Marek Vasut]

On 03/22/2016 06:06 PM, Dinh Nguyen wrote:
> 
> 
> On 03/20/2016 11:42 AM, Marek Vasut wrote:
>>>
>>> Sorry, I know that doesn't help. So let's walk through my workflow. I am
>>> not using any Altera tools when I build.
>>>
>>> $make socfpga_de0_nano_soc_defconfig
>>> $make u-boot-with-spl.sfp
>>> $dd if=u-boot-with-spl.sfp of=/dev/sdb3
>>>
>>> My gcc is: arm-linux-gnueabi-gcc (Ubuntu/Linaro 4.7.3-12ubuntu1) 4.7.3
>>>
>>> Has the board ever worked for you at all? Can you try this image:
>>>
>>> https://rocketboards.org/foswiki/view/Documentation/AtlasSoCSdCardImage
>>>
>>> Dinh
>>
>> I just ported U-Boot to another customer board. I noticed QSPI has
>> problems and USB can be flaky. That's the standard cache issue we
>> have, disabling dcache fixed that.
>>
>> I am starting to wonder whether we're hitting some corner case here.
>> Maybe we should eventually try and trace all the register reads and
>> writes generated by the DDR calibration code both in old and new SPL
>> and make a diff to see if something really did change.
>>
>> Dinh, can you share the marking on the SoC and the DRAMs on your board?
>>
> 
> My SoC is:
> 
> 5CSEMA4U23C6N
> CACAU1525A
> 
> DRAMs are:
> 
> ISSI 1510
> IS43TR16256A
> 15HBL K080
> P4482100QER2 TWN

Thanks, that's indeed rev. C . About time I bang my head against the
desk because this is creepy.


-- 
Best regards,
Marek Vasut