On Fri, 2026-07-03 at 08:51 +0000, [email protected] wrote:
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
>
>
> Hi,
>
> In Subject,
> s/4K page/4K sector/
>
> > MX25L25635E supports 4KB/32KB/64KB uniform erase sector/blocks.
> >
> > Link:
> > https://urldefense.com/v3/__https://www.mxic.com.tw/Lists/Datasheet/Attachments/8592/MX25L25635E,*203V,*20256Mb,*20v1.3.pdf__;JSUl!!CTRNKA9wMg0ARbw!kHm23EUX4Wa5BvxT5qIdEZbaVKzcKHdyZz5oaiqiHGnOx_YmCyyAihdv5ilWogF6nMCWOCQ_VvleRcqT6q17vwZaO_hRSb4$
> > Signed-off-by: Weijie Gao <[email protected]>
> > ---
> > v5-v6: not changed
> > v3-v4: updated commit message
> > v2: not changed
> > ---
> > drivers/mtd/spi/spi-nor-ids.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/mtd/spi/spi-nor-ids.c b/drivers/mtd/spi/spi-
> > nor-ids.c
> > index 4d07221ae65..018a8341553 100644
> > --- a/drivers/mtd/spi/spi-nor-ids.c
> > +++ b/drivers/mtd/spi/spi-nor-ids.c
> > @@ -323,7 +323,7 @@ const struct flash_info spi_nor_ids[] = {
> > { INFO("mx25u51245g", 0xc2253a, 0, 64 * 1024, 1024, SECT_4K
> > |
> > SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
> > SPI_NOR_4B_OPCODES) },
> > { INFO("mx25l12855e", 0xc22618, 0, 64 * 1024, 256, 0) },
> > - { INFO("mx25l25635e", 0xc22019, 0, 64 * 1024, 512,
> > SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
> > + { INFO("mx25l25635e", 0xc22019, 0, 64 * 1024, 512, SECT_4K
> > | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
>
> Like as some chips in this series, this chip doesn't support PP_1_1_4
> (32h).
> Maybe using SFDP can correct the chip capability.
> If you tested this chip, it would be good to describe test
> conditions, such
> as SFDP used (or not), read/program protocols, and so forth.
>
> This is a pre-existing issue in core that adds PP_1_1_4 capability
> along with
> READ_1_1_4.
My test platform supports only 1-1-1 page program. So I can't and
didn't test the 1-1-4/1-4-4 page program.
I can remove the SPI_NOR_QUAD_READ flag if necessary.
>
> > { INFO("mx25u25635f", 0xc22539, 0, 64 * 1024, 512, SECT_4K
> > | SPI_NOR_4B_OPCODES) },
> > { INFO("mx25v8035f", 0xc22314, 0, 64 * 1024, 16, SECT_4K
> > | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
> > { INFO("mx25r1635f", 0xc22815, 0, 64 * 1024, 32, SECT_4K
> > | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
> > --
> > 2.45.2
>
> Thanks,
> Takahiro
>
