[PATCH] configs: rockchip: rock5b: enable environment

[Dragan Simic]

Hello all,

On 2024-03-05 10:36, Christopher Obbard wrote:
> On Tue, 2024-03-05 at 10:31 +0100, Jonas Karlman wrote:
>> On 2024-03-05 03:10, Trevor Woerner wrote:
>> > Following the pattern of other Rockchip devices, enable the U-Boot
>> > environment to be stored in MMC. This patch specifically assumes the
>> > environment will be stored on the SDcard.
>> 
>> This board has SPI flash, so storing env in SPI flash is probably a
>> better default.
> 
> I agree with that.
> 
>> However, preferably the env should be stored/loaded from
>> the same device that TPL/SPL was loaded from.
> 
> Do you know if there is some mechanism in U-Boot to do this already ?
> 
> It could be useful to enable autodetection on many boards which can 
> boot U-
> Boot from either SPI flash / eMMC / SD card.

I agree that doing this on all Rockchip boards should be the way to go, 
or
perhaps to use the device that the U-Boot proper was loaded from.

Moreover, it would, for example, allow a microSD card to be used as a 
rescue
boot media for the users to recover from a borked environment.