RT3662 NAND support

[Andreas Böhler]

Hi Daniel,

On 19/03/2021 01:52, Daniel Golle wrote:
> Hi Andreas,
>
> On Thu, Mar 18, 2021 at 10:42:35PM +0100, Andreas Böhler wrote:
>> How can I best find/add a NAND driver for RT3662, or is it not worth the
>> effort?
> Good question, especially without the datasheet or any piece of code to
> look at. If you are up for a lot of hard work, a starting point could
> be here:
>
> https://github.com/openwrt/openwrt/pull/597
>
> MT7620 was the successor of those SoCs, I would guess the NAND
> controller is probably very similar to this one. MT7621 is a more
> different design of NAND controller which came after, and as you can
> see in the PR, the "old" MT7620 NAND was never cleaned up nor merged
> into OpenWrt. For you it could still be worth the shot, if you find the
> full datasheet of RT3662 somewhere you can compare with MT7620 (which
> is easy to find).

Unfortunately, you just confirmed my suspicion that there is no easy way 
to have NAND support. My impression is that there is very little 
interest in these older Vera devices, so I'll go for initramfs + extroot 
for now (fortunately, there is a USB port).

Regards,
Andreas