Anbernic RGXX3 devices with later mainline kernels don't boot

[Chris Morgan]

On Sat, Jul 13, 2024 at 07:33:17PM +1000, Daniel Martin wrote:
> Hi,
> 
> I'm just putting this out there to see if this is known or has been
> tested recently.
> I have 3 test Anbernic devices based on the RK3566 and all are failing
> to start if I use the mainline U-Boot (2024.07) & Kernel (6.9.8).
> 
> Devices tested: RG353P, RG503 & RG353V
> 
> Issues seen:
> 
> Mainline kernel & u-boot = no start or boots to embedded Android
> Previous kernel (6.4.16) & mainline u-boot = as above
> Mainline kernel (6.6 or 6.9) & supplied u-boot = failing to start kernel.
> 
> Working:
> 
> Previous mainline kernel 6.4.x & previously supplied u-boot.
> 
> Note: The mainline u-boot is written to the 32k offset.
>           rk3566_ddr_1056MHz_v1.21.bin & rk3568_bl31_v1.44.elf used for u-boot.
> 
> Sorry I don't have any UART output as I don't have an appropriate
> screw head to get into these devices and try to wire one up.
> 
> Has testing been done recently on these devices as per above?
> 
> Kind Regards,
> 
> Daniel

What U-Boot commit are you using? See if this patch has been applied:

https://source.denx.de/u-boot/u-boot/-/commit/25e4aafd20589f8f8166a6d0dc565c39738b4ec1

I kind of broke it when I did some work trying to improve the
reliability of booting on emmc devices.

Thank you,
Chris

> 
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