EN25QX128A/EN25QX256A are 128Mb/256Mb flash devices with Quad interface at max 104MHz clock rate. EN25QH256 is 256Mb flash device with Quad interface at max 50MHz clock rate. Both flashes supports 2.7-3.6V voltage range.
These flashes are tested on MediaTek's filogic platform. Link: https://www.esmt.com.tw/upload/pdf/ESMT/datasheets/EN25QX128A(2V).pdf Link: https://www.esmt.com.tw/upload/pdf/ESMT/datasheets/EN25QH256A(2R).pdf Signed-off-by: Weijie Gao <[email protected]> --- v3: updated commit message v2: updated commit message --- drivers/mtd/spi/spi-nor-core.c | 1 + drivers/mtd/spi/spi-nor-ids.c | 5 +++++ include/linux/mtd/spi-nor.h | 1 + 3 files changed, 7 insertions(+) diff --git a/drivers/mtd/spi/spi-nor-core.c b/drivers/mtd/spi/spi-nor-core.c index 937d79af64e..e4f78e740ba 100644 --- a/drivers/mtd/spi/spi-nor-core.c +++ b/drivers/mtd/spi/spi-nor-core.c @@ -758,6 +758,7 @@ static int set_4byte(struct spi_nor *nor, const struct flash_info *info, case SNOR_MFR_ISSI: case SNOR_MFR_MACRONIX: case SNOR_MFR_WINBOND: + case SNOR_MFR_EON: if (need_wren) write_enable(nor); diff --git a/drivers/mtd/spi/spi-nor-ids.c b/drivers/mtd/spi/spi-nor-ids.c index 7d96adab4fd..fcc546fb5ae 100644 --- a/drivers/mtd/spi/spi-nor-ids.c +++ b/drivers/mtd/spi/spi-nor-ids.c @@ -95,6 +95,11 @@ const struct flash_info spi_nor_ids[] = { { INFO("en25q64", 0x1c3017, 0, 64 * 1024, 128, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) }, { INFO("en25q128b", 0x1c3018, 0, 64 * 1024, 256, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) }, { INFO("en25qh128", 0x1c7018, 0, 64 * 1024, 256, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) }, + { INFO("en25qx128a", 0x1c7118, 0, 64 * 1024, 256, + SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB) }, + { INFO("en25qh256", 0x1c7019, 0, 64 * 1024, 512, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) }, + { INFO("en25qx256a", 0x1c7119, 0, 64 * 1024, 512, + SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB) }, { INFO("en25s64", 0x1c3817, 0, 64 * 1024, 128, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) }, #endif #ifdef CONFIG_SPI_FRAM_FUJITSU diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h index 4eef4ab0488..02fa72fb401 100644 --- a/include/linux/mtd/spi-nor.h +++ b/include/linux/mtd/spi-nor.h @@ -33,6 +33,7 @@ #define SNOR_MFR_SST CFI_MFR_SST #define SNOR_MFR_WINBOND 0xef /* Also used by some Spansion */ #define SNOR_MFR_CYPRESS 0x34 +#define SNOR_MFR_EON CFI_MFR_EON /* * Note on opcode nomenclature: some opcodes have a format like -- 2.45.2
