Re: Please test U-Boot Allwinner F1C100s support

[Giulio Benetti <giulio.benetti@benettiengineering.com>]

Hi Andre, Jesse, All,

On 31/01/22 19:13, Jesse Taube wrote:
> 
> 
> On 1/31/22 08:07, Giulio Benetti wrote:
>> Hi Andre,
>>
>>> Il giorno 31 gen 2022, alle ore 13:57, Andre Przywara <andre.przywara@foss.arm.com> ha scritto:
>>>
>>> On Mon, 31 Jan 2022 13:17:52 +0100
>>> Giulio Benetti <giulio.benetti@benettiengineering.com> wrote:
>>>
>>>> Hi All,
>>>>
>>>> I've tried several times on both F1C100s and F1C200s, maybe I'm doing
>>>> something wrong but it doesn't work :-/
>>>>
>>>> I burn sd-card with:
>>>> # sudo dd if=u-boot-sunxi-with-spl.bin of=/dev/sdb bs=1k seek=8
>>>>
>>>> I've triple-checked that the file has been written there by dumping the
>>>> sd-card and I see it's written at 0x2000, so 8K offset, like the mangoPI
>>>> image for example. But no uart output.
>>>
>>> I haven't looked in detail what would be needed for the SPL part of the
>>> MMC driver to really work, I just checked that the base addresses are
>>> correct, the pinmux looked alright as well.
>>> The DT nodes are not needed for the SPL, and I don't see other changes
>>> related to MMC in the original series?
>>
>> Yes that’s true.
>>
>>> Do you see UART output from the SPL, or nothing at all?
>>
>> Unfortunately nothing either with SPL
>>
>>> And you are not using UART0 on the PortF pins, so multiplexed with the
>>> MMC, I guess?
>>
>> I use PE0 and PE1 Uart0 according to dts.
>>
>> Have you got such board to test it?
>> Or we can wait for Jesse or George.
>>
>> I’ve used the git you’ve pointed.
>>
>> Anyway I think we’re very close to have it working.
>>
>> At least my work “behind the scenes” will be worth, right Jesse :-)?
> Yes, I'm sorry there wasn't much mention of you on this patch.
> I Just woke up, sorry i couldn't be here earlier, I'll take a look with
> Giulio.

I've tested succesfully on both F1C100s and 200s boards!
https://source.denx.de/u-boot/custodians/u-boot-sunxi/-/tree/f1c100s

I've realized with Jesse that here with me I have 3 USB->Serial 
converter broken!!! With the 4th it worked and I've checked with scope 
that was hidden by garbage on my desk :-)

So it works! Sorry for the noise

Kind regards
-- 
Giulio Benetti
Benetti Engineering sas