Re: Question regarding Linux-6.3.5 and Sunxi A20 NAND/NFC support

John Watts
2023-08-18T04:46:44Z

On Thu, Aug 17, 2023 at 10:21:35PM +0100, Fawad Lateef wrote:
> Hi John,
>
> Thanks for your help. I found the reason for my issue. I defined the
> pinctrl information under the "soc" next to "nfc" entry in
> sunxi-a20.dtsi which was messing it up.
>
> I moved them inside the "pio" dtsi block and NAND is detected now.

Congratulations!

> Though almost all blocks are reported as bad-blocks. I am thinking
> that it's happening as I don't have partition information defined in
> DTS. Do you think that this is the reason for bad-blocks reporting?

I don't have much knowledge here but you might want to confirm the
contents of your bad block table is being read and has correct values.

This might help: https://linux-sunxi.org/Mainline_NAND_Howto

> Regards,
>
> Fawad Lateef

John.