Hi Wilken, On Mon, Dec 16 2024, Wilken Gottwalt wrote:
> Add Winbond W25Q01JV 128 MiB SPI NOR flash chip, verified working on the > Zynq-7000 platform QSPI controller. The flash chip has quite high read > speeds (about 60+ MiB/s), but erasing is very slow. The slow erasing is > by design. Does the flash have support SFDP? If so, you likely don't need specify the no_sfdp_flags, name, or size. Try the entry only with ID and flags, and see if the flash continues to work fine for you. Also see [0] for additional testing requirements. [0] https://docs.kernel.org/driver-api/mtd/spi-nor.html > > Signed-off-by: Wilken Gottwalt <wilken.gottw...@posteo.net> > --- > drivers/mtd/spi-nor/winbond.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/drivers/mtd/spi-nor/winbond.c b/drivers/mtd/spi-nor/winbond.c > index 8d0a00d69e12..e2caf299d19a 100644 > --- a/drivers/mtd/spi-nor/winbond.c > +++ b/drivers/mtd/spi-nor/winbond.c > @@ -146,6 +146,12 @@ static const struct flash_info winbond_nor_parts[] = { > .name = "w25q512jvq", > .size = SZ_64M, > .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | > SPI_NOR_QUAD_READ, > + }, { > + .id = SNOR_ID(0xef, 0x40, 0x21), > + .name = "w25q01jv", > + .size = SZ_128M, > + .flags = SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB, > + .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | > SPI_NOR_QUAD_READ, > }, { > .id = SNOR_ID(0xef, 0x50, 0x12), > .name = "w25q20bw", -- Regards, Pratyush Yadav
