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Set top-bottom protection configuration bit flags. Modified chips: - GD25Q128 (+lock, +tb) - GD25Q256 (+lock) - GD25Q256D, GD25Q256E (+tb) - GD25LQ128D (+lock, +tb) Signed-off-by: Jakub Czapiga --- drivers/mtd/spi-nor/gigadevice.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/mtd/spi-nor/gigadevice.c b/drivers/mtd/spi-nor/gigadevice.c index ef1edd0add70..8eec6557b036 100644 --- a/drivers/mtd/spi-nor/gigadevice.c +++ b/drivers/mtd/spi-nor/gigadevice.c @@ -16,6 +16,7 @@ gd25q256_post_bfpt(struct spi_nor *nor, /* * GD25Q256C supports the first version of JESD216 which does not define * the Quad Enable methods. Overwrite the default Quad Enable method. + * Otherwise set TB to SR(6). * * GD25Q256 GENERATION | SFDP MAJOR VERSION | SFDP MINOR VERSION * GD25Q256C | SFDP_JESD216_MAJOR | SFDP_JESD216_MINOR @@ -25,6 +26,8 @@ gd25q256_post_bfpt(struct spi_nor *nor, if (bfpt_header->major == SFDP_JESD216_MAJOR && bfpt_header->minor == SFDP_JESD216_MINOR) nor->params->quad_enable = spi_nor_sr1_bit6_quad_enable; + else + nor->flags |= SNOR_F_HAS_SR_TB | SNOR_F_HAS_SR_TB_BIT6; return 0; } @@ -56,12 +59,12 @@ static const struct flash_info gigadevice_nor_parts[] = { .id = SNOR_ID(0xc8, 0x40, 0x18), .name = "gd25q128", .size = SZ_16M, - .flags = SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB, + .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, }, { .id = SNOR_ID(0xc8, 0x40, 0x19), .name = "gd25q256", - .flags = SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB | SPI_NOR_TB_SR_BIT6, + .flags = SPI_NOR_HAS_LOCK | SPI_NOR_HAS_4BIT_BP, .fixups = &gd25q256_fixups, .fixup_flags = SPI_NOR_4B_OPCODES, }, { @@ -80,7 +83,7 @@ static const struct flash_info gigadevice_nor_parts[] = { .id = SNOR_ID(0xc8, 0x60, 0x18), .name = "gd25lq128d", .size = SZ_16M, - .flags = SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB, + .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, }, }; -- 2.49.0.rc1.451.g8f38331e32-goog ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/