Some Micron models are known to have lock/unlock support, and that also support 4bit block protection (bp0-3). This patch support lock/unlock feature on the flashes. Tested on n25q512ax3. The other is modified following the datasheet. Signed-off-by: Jungseung Lee <js07.lee@xxxxxxxxxxx> --- drivers/mtd/spi-nor/spi-nor.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c index 31a2106e529a..e8d1fbe4062f 100644 --- a/drivers/mtd/spi-nor/spi-nor.c +++ b/drivers/mtd/spi-nor/spi-nor.c @@ -2607,12 +2607,17 @@ static const struct flash_info spi_nor_ids[] = { { "mt25ql512a", INFO6(0x20ba20, 0x104400, 64 * 1024, 1024, SECT_4K | USE_FSR | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) }, - { "n25q512ax3", INFO(0x20ba20, 0, 64 * 1024, 1024, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ) }, + { "n25q512ax3", INFO(0x20ba20, 0, 64 * 1024, 1024, + SECT_4K | USE_FSR | SPI_NOR_DUAL_READ | + SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB | + SPI_NOR_4BIT_BP | SPI_NOR_BP3_SR_BIT6) }, { "mt25qu512a", INFO6(0x20bb20, 0x104400, 64 * 1024, 1024, SECT_4K | USE_FSR | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) }, - { "n25q512a", INFO(0x20bb20, 0, 64 * 1024, 1024, SECT_4K | - USE_FSR | SPI_NOR_QUAD_READ) }, + { "n25q512a", INFO(0x20bb20, 0, 64 * 1024, 1024, + SECT_4K | USE_FSR | SPI_NOR_QUAD_READ | + SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB | + SPI_NOR_4BIT_BP | SPI_NOR_BP3_SR_BIT6) }, { "n25q00", INFO(0x20ba21, 0, 64 * 1024, 2048, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ | NO_CHIP_ERASE) }, { "n25q00a", INFO(0x20bb21, 0, 64 * 1024, 2048, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ | NO_CHIP_ERASE) }, { "mt25ql02g", INFO(0x20ba22, 0, 64 * 1024, 4096, -- 2.17.1 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/