Alexander Dahl

After investigating timing issues more deeply in U-Boot and having another look at at91bootstrap, I came to the conclusion at91bootstrap does nothing wrong here. It seems to be a problem...

> Some NAND flash (S34ML01G2 and W29N02KVxxAF) do not work properly in Timing Mode 3, since their maximum tREA time is 4ns longer then normal NAND flash. The workaround is...

One further thing: the SAM9X60-Curiosity User's Guide mentions this for the NAND Flash: > Matched Net Lengths [Tolerance = 0.5mm] On our prototype board these lengths are not matched. Can...

> Please try this patch. [0001-driver-nandflash-update-nand-smc-timing.patch](https://github.com/linux4sam/at91bootstrap/files/14445467/0001-driver-nandflash-update-nand-smc-timing.patch) Changeset e2dfd8141d00613a37acee66ef5724f70f34a538 hit master. Extends the patch proposed here with another check to only apply it for TIMING_MODE_3. Meanwhile I could verify the same...

> Did not test v4.0.9-rc1 on real hardware yet though, will do that later. Works for me: ``` AT91Bootstrap 4.0.9-rc1 (2020-08-01 00:00:00) NAND: ONFI flash detected NAND: Manufacturer ID: 0x1...

FWIW: my policy is I do the major update, when all apps are compatible. So for now I can't update to v17 because "dashboard" is blocking it. I have two...

Would it be possible to have good old Debian packages, or maybe even get this into the actual Debian packaging system so it can be installed through *apt* as usual?

Seen this with commit 0052cdc11ab826192fa08779266073ee132f3940.