diff options
| author | Eliav Farber <farbere@amazon.com> | 2022-10-20 09:20:58 +0000 |
|---|---|---|
| committer | Tudor Ambarus <tudor.ambarus@microchip.com> | 2022-11-21 17:10:08 +0200 |
| commit | bcc0c61e6134066f4629845691a514ea33465653 (patch) | |
| tree | 3b43f7c1d66aa86165998aa9947733be176ee32d | |
| parent | fdc20370d93e8c6d2f448a539d08c2c064af7694 (diff) | |
| download | linux-bcc0c61e6134066f4629845691a514ea33465653.tar.bz2 | |
mtd: spi-nor: micron-st: Enable locking for mt25qu256a
mt25qu256a [1] uses the 4 bit Block Protection scheme and supports
Top/Bottom protection via the BP and TB bits of the Status Register.
BP3 is located in bit 6 of the Status Register.
Tested on MT25QU256ABA8ESF-0SIT.
[1] https://www.micron.com/-/media/client/global/documents/products/data-sheet/nor-flash/serial-nor/mt25q/die-rev-a/mt25q_qljs_u_256_aba_0.pdf
Signed-off-by: Eliav Farber <farbere@amazon.com>
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Reviewed-by: Michael Walle <michael@walle.cc>
Link: https://lore.kernel.org/r/20221020092058.33844-1-farbere@amazon.com
| -rw-r--r-- | drivers/mtd/spi-nor/micron-st.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/mtd/spi-nor/micron-st.c b/drivers/mtd/spi-nor/micron-st.c index 3c8a90b39c8c..7bb86df52f0b 100644 --- a/drivers/mtd/spi-nor/micron-st.c +++ b/drivers/mtd/spi-nor/micron-st.c @@ -205,6 +205,8 @@ static const struct flash_info st_nor_parts[] = { MFR_FLAGS(USE_FSR) }, { "mt25qu256a", INFO6(0x20bb19, 0x104400, 64 * 1024, 512) + FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB | SPI_NOR_4BIT_BP | + SPI_NOR_BP3_SR_BIT6) NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) FIXUP_FLAGS(SPI_NOR_4B_OPCODES) MFR_FLAGS(USE_FSR) |