[U-Boot] [PATCH v2 0/9] basic support for Allwinner A83T SOC.

Vishnu Patekar
2015-12-10T16:03:10Z

Hello Hans,

Nice to see it boots from SD, after clock stable changes.:)

On Thu, Dec 10, 2015 at 6:22 PM, Hans de Goede <hdegoede@redhat.com> wrote:
> Hi,
>
> On 11/30/2015 04:39 PM, Vishnu Patekar wrote:
>>
>> Hello Hans,
>>
>>
>>
>> On Mon, Nov 30, 2015 at 4:13 PM, Hans de Goede <hdegoede@redhat.com>
>> wrote:
>>>
>>> Hi Vishnu,
>>>
>>>> This patch v2 of series that adds basic support for Allwinner A83T SOC
>>>> with
>>>> review comments addressed.
>>>
>>>
>>> Can you provide some quick instructions on how to test this on the
>>> A83T HomletV2 ?
>>>
>>> With v1 of these patches I tried to just build them and dd them to
>>> the sdcard, but that did not work.
>>>
>>> In the mean time I've figured out that I can get a serial console
>>> with the firmware in the nand using a sdcard breakout board, so
>>> I should be able to enter FEL mode by pressing 2 there, but it would
>>> be really nice if the board would just boot from sdcard...
>>>
>> I broke microsd connector of my A83T board, so boot from microsd not
>> tested.
>>
>> As you have microSD breakout UART working, you can set
>> CONFIG_UART0_PORT_F=y and use FEL mode, commands as below
>> sunxi-fel spl u-boot-sunxi-with-spl.bin
>> sunxi-fel write 0x4a000000 u-boot-dtb.bin
>>
>> This is how i have tested it for now.
>
>
> Ok, I've managed to get things to work actually cold booting from the
> sdcard slot (so as to not rely on earlier setup done by boot0 before
> it enters FEL mode when pressin '2'). In order to get the sdcard +
> cold booting to work I had to make some changes to the clk code:
>
> https://github.com/jwrdegoede/u-boot-sunxi/commit/03cf8b8354f732fe34fc34ef44fecd79190f019e
>
> With these fixes A83 support seems to work well, good job!
>
> I've merged this into my sunxi-wip tree now and I'm preparing a pull-req
> to send this upstream.
>
> Regards,
>
> Hans
>
>
> p.s.
>
> Next time please make sure to base your patches on the latest official
> master, when you posted these patches master already had H3 support,
> and I had to do quite a but of manual conflict resolving because of that.
Sorry about that, I'll take care of this in future.

Regards,
Vishnu