From: Christian Marangi Date: Sat, 7 Jun 2025 21:11:21 +0000 (+0200) Subject: mtd: spinand: winbond: add Winbond W25N04KV flash support X-Git-Tag: v2025.10-rc1~118^2~16^2 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fe37fb8214e40ea64cf03453d112527b629fb08a;p=pandora-u-boot.git mtd: spinand: winbond: add Winbond W25N04KV flash support Add Winbond W25N04KV flash support that use a different value to detect ECC bitflip. Signed-off-by: Christian Marangi --- diff --git a/drivers/mtd/nand/spi/winbond.c b/drivers/mtd/nand/spi/winbond.c index dd4ed257a83..16abf89dbbf 100644 --- a/drivers/mtd/nand/spi/winbond.c +++ b/drivers/mtd/nand/spi/winbond.c @@ -11,6 +11,7 @@ #include #include #endif +#include #include #include @@ -18,6 +19,8 @@ #define WINBOND_CFG_BUF_READ BIT(3) +#define W25N04KV_STATUS_ECC_5_8_BITFLIPS FIELD_PREP_CONST(STATUS_ECC_MASK, 0x3) + static SPINAND_OP_VARIANTS(read_cache_variants, SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0), SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0), @@ -121,6 +124,7 @@ static int w25n02kv_ecc_get_status(struct spinand_device *spinand, return -EBADMSG; case STATUS_ECC_HAS_BITFLIPS: + case W25N04KV_STATUS_ECC_5_8_BITFLIPS: /* * Let's try to retrieve the real maximum number of bitflips * in order to avoid forcing the wear-leveling layer to move @@ -172,6 +176,15 @@ static const struct spinand_info winbond_spinand_table[] = { &update_cache_variants), 0, SPINAND_ECCINFO(&w25n02kv_ooblayout, w25n02kv_ecc_get_status)), + SPINAND_INFO("W25N04KV", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xaa, 0x23), + NAND_MEMORG(1, 2048, 128, 64, 4096, 40, 2, 1, 1), + NAND_ECCREQ(8, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + 0, + SPINAND_ECCINFO(&w25n02kv_ooblayout, w25n02kv_ecc_get_status)), }; static int winbond_spinand_init(struct spinand_device *spinand)