Message ID | 20221018072254.21606-1-farbere@amazon.com |
---|---|
State | Changes Requested |
Delegated to: | Ambarus Tudor |
Headers | show |
Series | mtd: spi-nor: micron-st: Enable locking for n25q256ax1 | expand |
Hi, Am 2022-10-18 09:22, schrieb Eliav Farber: > n25q256ax1 [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 n25q256ax1. > > [1] > https://www.micron.com/-/media/client/global/documents/products/data-sheet/nor-flash/serial-nor/n25q/n25q_256mb_3v.pdf > > Signed-off-by: Eliav Farber <farbere@amazon.com> Looks good. But could you please dump the SFDP tables as described in [1]. -michael [1] https://lore.kernel.org/linux-mtd/4304e19f3399a0a6e856119d01ccabe0@walle.cc/
diff --git a/drivers/mtd/spi-nor/micron-st.c b/drivers/mtd/spi-nor/micron-st.c index 3c9681a3f7a3..7cf5fbb28f99 100644 --- a/drivers/mtd/spi-nor/micron-st.c +++ b/drivers/mtd/spi-nor/micron-st.c @@ -206,6 +206,8 @@ static const struct flash_info st_nor_parts[] = { MFR_FLAGS(USE_FSR) }, { "n25q256ax1", INFO(0x20bb19, 0, 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_QUAD_READ) MFR_FLAGS(USE_FSR) },
n25q256ax1 [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 n25q256ax1. [1] https://www.micron.com/-/media/client/global/documents/products/data-sheet/nor-flash/serial-nor/n25q/n25q_256mb_3v.pdf Signed-off-by: Eliav Farber <farbere@amazon.com> --- drivers/mtd/spi-nor/micron-st.c | 2 ++ 1 file changed, 2 insertions(+)