From: Ssunk Date: Sun, 8 Feb 2026 04:17:57 +0000 (+0800) Subject: mtd: spi-nor: Add Dosilicon DS25M/Q series support X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c56db9b4a4412cefd97dfa1d2517706be3507daf;p=thirdparty%2Fu-boot.git mtd: spi-nor: Add Dosilicon DS25M/Q series support Add support for dosilicon ds25m4cb, ds25m4dn, ds25q4cb, ds25q4dn Datasheets: ds25m4cb: https://www.dosilicon.com/resources/SPI%20NOR/DS25M4CB-XXXXX_Rev04.pdf ds25m4dn: https://www.dosilicon.com/resources/SPI%20NOR/DS25M4DN-XXXXX_Rev03.pdf ds25q4cb: https://www.dosilicon.com/resources/SPI%20NOR/DS25Q4CB-XXXXX_Rev03.pdf ds25q4dn: https://www.dosilicon.com/resources/SPI%20NOR/DS25Q4DN-XXXXX_Rev01.pdf Signed-off-by: Ssunk [trini: Adjust spacing] Signed-off-by: Tom Rini --- diff --git a/drivers/mtd/spi/Kconfig b/drivers/mtd/spi/Kconfig index 56f6fb70acd..6399512e49f 100644 --- a/drivers/mtd/spi/Kconfig +++ b/drivers/mtd/spi/Kconfig @@ -157,6 +157,11 @@ config SPI_FLASH_ATMEL help Add support for various Atmel SPI flash chips (AT45xxx and AT25xxx) +config SPI_FLASH_DOSILICON + bool "Dosilicon SPI flash support" + help + Add support for various Dosilicon SPI flash chips (DS25xxx) + config SPI_FLASH_EON bool "EON SPI flash support" help diff --git a/drivers/mtd/spi/spi-nor-ids.c b/drivers/mtd/spi/spi-nor-ids.c index f8bbb9bf091..43dc628f74a 100644 --- a/drivers/mtd/spi/spi-nor-ids.c +++ b/drivers/mtd/spi/spi-nor-ids.c @@ -77,6 +77,17 @@ const struct flash_info spi_nor_ids[] = { { INFO("at25sl321", 0x1f4216, 0, 64 * 1024, 64, SECT_4K) }, { INFO("at26df081a", 0x1f4501, 0, 64 * 1024, 16, SECT_4K) }, #endif +#ifdef CONFIG_SPI_FLASH_DOSILICON + /* Dosilicon Co., Ltd */ + { INFO("ds25m4cb", 0xe5401a, 0, 64 * 1024, 1024, + SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) }, + { INFO("ds25m4dn", 0xe5401b, 0, 64 * 1024, 2048, + SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) }, + { INFO("ds25q4cb", 0xe5301a, 0, 64 * 1024, 1024, + SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) }, + { INFO("ds25q4dn", 0xe5301b, 0, 64 * 1024, 2048, + SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) }, +#endif #ifdef CONFIG_SPI_FLASH_EON /* EON */ /* EON -- en25xxx */ { INFO("en25q80b", 0x1c3014, 0, 64 * 1024, 16, SECT_4K) },