[PATCH v4 8/8] mtd: spi-nor: macronix: Add support for mx25uw51245g with RWW

[liao jaime]

Hi Tudor

>
> Hi, Jaime, Miquel,
>
> Any news with the datasheet, can you send me a copy of it?
>
> On 2/1/23 11:36, Miquel Raynal wrote:
> > Describe this new part and provide the RWW flag for it.
> >
> > Signed-off-by: Miquel Raynal <miquel.raynal at bootlin.com>
> > ---
> >  drivers/mtd/spi-nor/macronix.c | 3 +++
> >  1 file changed, 3 insertions(+)
> >
> > diff --git a/drivers/mtd/spi-nor/macronix.c b/drivers/mtd/spi-nor/macronix.c
> > index 6853ec9ae65d..655e7eec865c 100644
> > --- a/drivers/mtd/spi-nor/macronix.c
> > +++ b/drivers/mtd/spi-nor/macronix.c
> > @@ -82,6 +82,9 @@ static const struct flash_info macronix_nor_parts[] = {
> >       { "mx25u51245g", INFO(0xc2253a, 0, 64 * 1024, 1024)
> >               NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ)
> >               FIXUP_FLAGS(SPI_NOR_4B_OPCODES) },
> > +     { "mx25uw51245g", INFOB(0xc2813a, 0, 16 * 1024, 1024, 4)
> > +             NO_SFDP_FLAGS(SECT_4K | SPI_NOR_RWW)
> > +             FIXUP_FLAGS(SPI_NOR_4B_OPCODES) },
>
> Is this flash not really supporting SFDP?
Yap MX25UW51245G have SFDP table support.
As below is the link of octal DTR feature patch which include
MX25UW51245G SFDP information.

https://patchwork.ozlabs.org/project/uboot/patch/20220718064922.20193-2-jaimeliao.tw@gmail.com/

Sorry for that I can't share the link of datasheet cause Macronix
didn't make it public.
>
> We ask people that update or add new flash entries to do a erase, verify
> erase, write, read back and compare test. Also to dump the sysfs
> entries. Here's how to do that:
>
> https://lore.kernel.org/lkml/97a3b023-b9bc-c34d-45a4-ddd56f47bd76@microchip.com/T/
>
> Thanks,
> ta
Thanks
Jaime