[U-Boot] [PATCH] arm: socfpga: Re-add support for Aries MCV SoM and MCVEVK board

[Wolfgang Grandegger]

Hello,

Am 07.05.19 um 21:25 schrieb Simon Goldschmidt:
> 
> 
> On 07.05.19 21:14, Wolfgang Grandegger wrote:
>>
>> Am 07.05.19 um 13:37 schrieb Simon Goldschmidt:
>>> On Tue, May 7, 2019 at 9:41 AM Wolfgang Grandegger
>>> <wg at aries-embedded.de> wrote:
>>>>
>>>>
>>>>
>>>> Am 06.05.19 um 22:16 schrieb Simon Goldschmidt:
>>>>> Am 06.05.2019 um 17:45 schrieb Wolfgang Grandegger:
>>>>>> Re-add support for Aries Embedded MCV SoM, which is CycloneV based
>>>>>> and the associated MCVEVK baseboard. The board can boot from eMMC.
>>>>>> Ethernet and USB is supported.
>>>>>>
>>>>>> The Aries Embedded boards have been removed with commit 03b54997d568
>>>>>> ("board/aries: Remove"). I will now take care of them.
>>>>>>
>>>>>> Signed-off-by: Wolfgang Grandegger <wg at aries-embedded.de>
>>>>>> CC: Marek Vasut <marex at denx.de>
>>>>>> CC: Simon Goldschmidt <simon.k.r.goldschmidt at gmail.com>
>>>>>> ---
>>>>>>    .travis.yml                                      |   2 +-
>>>>>>    arch/arm/dts/Makefile                            |   1 +
>>>>>>    arch/arm/dts/socfpga_cyclone5_mcv.dtsi           |  22 +
>>>>>>    arch/arm/dts/socfpga_cyclone5_mcvevk-u-boot.dtsi |  38 ++
>>>>>>    arch/arm/dts/socfpga_cyclone5_mcvevk.dts         |  81 +++
>>>>>>    arch/arm/mach-socfpga/Kconfig                    |   7 +
>>>>>>    board/aries/mcvevk/MAINTAINERS                   |   6 +
>>>>>>    board/aries/mcvevk/Makefile                      |   7 +
>>>>>>    board/aries/mcvevk/qts/iocsr_config.h            | 659
>>>>>> +++++++++++++++++++++++
>>>>>>    board/aries/mcvevk/qts/pinmux_config.h           | 218 ++++++++
>>>>>>    board/aries/mcvevk/qts/pll_config.h              |  84 +++
>>>>>>    board/aries/mcvevk/qts/sdram_config.h            | 343
>>>>>> ++++++++++++
>>>>>
>>>>> These files are always a mystery. Would you be able to provide
>>>>> (long-lived) link to a simplistic quartus project so that everyone can
>>>>> regenerate these?
>>>>>
>>>>> I'll try to provide such a quartus project for the socrates board, and
>>>>> I'd be very happy if the original Intel dev boards could do so as
>>>>> well!
>>>>
>>>> There is a Quartus example project for that module/board here:
>>>>
>>>>    https://github.com/ARIES-Embedded/mcv
>>>
>>> Cool. And is this a permanent link that we could add to some kind
>>> of documentation for this board in the U-Boot sources? That would
>>> ensure U-Boot maintainers can find it in the future...
>>
>> I will check with the author!
>>
>> BTW: My patch works fine on top of v2019.04 but the boot hangs without
>> console output with the latest HEAD. The problems start with commit:
>>
>>    ede6e7b reset: socfpga: add reset handling for old kernels
>>
>> Then I get:
>>
>>    U-Boot SPL 2019.04-00508-g03b5c7e-dirty (May 07 2019 - 21:03:52 +0200)
>>    ### ERROR ### Please RESET the board ###
>>
>> Any idea how to fix that?
> 
> No, sorry, I don't have an idea right now. Are you sure you're not
> missing any of the "u-boot,dm-pre-reloc" tags?
> 
> And you're absolutely sure this very commit produces this error?

Well, I somehow fooled myself. Sorry for the noise. The problem was the
missing "u-boot,dm-pre-reloc" for the "rst" odr "sdr" node and
"CONFIG_SPL_TEXT_BASE=0xFFFF0000" in the defconfig. Now U-Boot starts
but the kernel does not...

Wolfgang