Re: SPI-NOR FS512S incorrect CR3NV[1] value

[Boris Brezillon <boris.brezillon@xxxxxxxxxxx>]

On Wed, 5 Dec 2018 19:21:51 +0000
Yong Qin <Yong.Qin@xxxxxxxxxxx> wrote:

> Hi Boris,
> 
> Thanks for pointing this out.
> 
> Confirmed with our product team, this is the part of datasheet
> discrepancy. Since FS512S only has 256KB sector size option, CR3NV[1]
> is don't care in FS512S and default value is set as 0 in factory.
> 
> Column 3 (CR3NV[1]) of table 70 in datasheet will be removed.
> 
> For software implementation, if identified the device is FS512S, then
> checking the combination of CR3NV[3]  & CR1NV[2] is sufficient to
> decide if the device has top/bottom 4KB sectors, or uniform 256KB
> sectors.

Again, fixing the datasheet is not enough, the SMPT section on the flash
needs to be fixed too.

______________________________________________________
Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/