[U-Boot] Newbie SPL question for socfpga_sockit

Marek Vasut
2016-04-05T22:03:23Z

On 04/05/2016 10:33 AM, Phil Reid wrote:
> On 27/03/2016 4:52 AM, Marek Vasut wrote:
>> 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.
>>
>>
> FYI
>
> I've just spend some time trying to update the spl / uboot / kernel &
> rootfs image on our
> Altera socdk to use for some software testing / development.
> Unfortunately it fails in the mem calibration process with the latest
> uboot most of the time.
> And when it does boot somtimes fails loading uboot fomr the mmc.

Try this u-boot-socfpga/ddr branch [1] , see if it works for you.

[1]
http://git.denx.de/?p=u-boot/u-boot-socfpga.git;a=shortlog;h=refs/heads/ddr

> Our own design works fine.
>
> I've built different images using the qts files in uboot git and those
> generated from quartus for the socdk.
>
> Both have the same reliability.
>
> It's an old revC board.
>
> Been running perfectly for months using the older spl / uboot. :(

Great, see above, please let me know.

--
Best regards,
Marek Vasut