diff options
Diffstat (limited to 'target/linux/ipq806x/patches-4.9/104-mtd-nand-add-Winbond-manufacturer-and-chip.patch')
| -rw-r--r-- | target/linux/ipq806x/patches-4.9/104-mtd-nand-add-Winbond-manufacturer-and-chip.patch | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/target/linux/ipq806x/patches-4.9/104-mtd-nand-add-Winbond-manufacturer-and-chip.patch b/target/linux/ipq806x/patches-4.9/104-mtd-nand-add-Winbond-manufacturer-and-chip.patch new file mode 100644 index 0000000000..5aa37db086 --- /dev/null +++ b/target/linux/ipq806x/patches-4.9/104-mtd-nand-add-Winbond-manufacturer-and-chip.patch @@ -0,0 +1,56 @@ +From 07b6d0cdbbda8c917480eceaec668f09e4cf24a5 Mon Sep 17 00:00:00 2001 +From: Christian Lamparter <chunkeey@gmail.com> +Date: Mon, 14 Nov 2016 23:49:22 +0100 +Subject: [PATCH] mtd: nand: add Winbond manufacturer and chip + +This patch adds the W25N01GV NAND to the table of +known devices. Without this patch the device gets detected: + +nand: device found, Manufacturer ID: 0xef, Chip ID: 0xaa +nand: Unknown NAND 256MiB 1,8V 8-bit +nand: 256 MiB, SLC, erase size: 64 KiB, page size: 1024, OOB size : 16 + +Whereas the u-boot identifies it as: +spi_nand: spi_nand_flash_probe SF NAND ID 00:ef:aa:21 +SF: Detected W25N01GV with page size 2 KiB, total 128 MiB + +Due to the page size discrepancy, it's impossible to attach +ubi volumes on the device. + +Signed-off-by: Christian Lamparter <chunkeey@gmail.com> +--- + drivers/mtd/nand/nand_ids.c | 4 ++++ + include/linux/mtd/nand.h | 1 + + 2 files changed, 5 insertions(+) + +--- a/drivers/mtd/nand/nand_ids.c ++++ b/drivers/mtd/nand/nand_ids.c +@@ -52,6 +52,10 @@ struct nand_flash_dev nand_flash_ids[] = + { .id = {0xad, 0xde, 0x94, 0xda, 0x74, 0xc4} }, + SZ_8K, SZ_8K, SZ_2M, NAND_NEED_SCRAMBLING, 6, 640, + NAND_ECC_INFO(40, SZ_1K), 4 }, ++ {"W25N01GV 1G 3.3V 8-bit", ++ { .id = {0xef, 0xaa} }, ++ SZ_2K, SZ_128, SZ_128K, NAND_NO_SUBPAGE_WRITE, ++ 2, 64, NAND_ECC_INFO(1, SZ_512) }, + + LEGACY_ID_NAND("NAND 4MiB 5V 8-bit", 0x6B, 4, SZ_8K, SP_OPTIONS), + LEGACY_ID_NAND("NAND 4MiB 3,3V 8-bit", 0xE3, 4, SZ_8K, SP_OPTIONS), +@@ -182,6 +186,7 @@ struct nand_manufacturers nand_manuf_ids + {NAND_MFR_SANDISK, "SanDisk"}, + {NAND_MFR_INTEL, "Intel"}, + {NAND_MFR_ATO, "ATO"}, ++ {NAND_MFR_WINBOND, "Winbond"}, + {0x0, "Unknown"} + }; + +--- a/include/linux/mtd/nand.h ++++ b/include/linux/mtd/nand.h +@@ -924,6 +924,7 @@ static inline void nand_set_controller_d + #define NAND_MFR_MICRON 0x2c + #define NAND_MFR_AMD 0x01 + #define NAND_MFR_MACRONIX 0xc2 ++#define NAND_MFR_WINBOND 0xef + #define NAND_MFR_EON 0x92 + #define NAND_MFR_SANDISK 0x45 + #define NAND_MFR_INTEL 0x89 |