diff options
Diffstat (limited to 'target/linux/qualcommax/patches-6.6/0400-mtd-rawnand-add-support-for-TH58NYG3S0HBAI4.patch')
| -rw-r--r-- | target/linux/qualcommax/patches-6.6/0400-mtd-rawnand-add-support-for-TH58NYG3S0HBAI4.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/target/linux/qualcommax/patches-6.6/0400-mtd-rawnand-add-support-for-TH58NYG3S0HBAI4.patch b/target/linux/qualcommax/patches-6.6/0400-mtd-rawnand-add-support-for-TH58NYG3S0HBAI4.patch new file mode 100644 index 0000000000..c52681928b --- /dev/null +++ b/target/linux/qualcommax/patches-6.6/0400-mtd-rawnand-add-support-for-TH58NYG3S0HBAI4.patch @@ -0,0 +1,42 @@ +From 8d8b37d3af2bdccf0a37d2017d876bfc6ce42552 Mon Sep 17 00:00:00 2001 +From: Chukun Pan <amadeus@jmu.edu.cn> +Date: Fri, 20 Oct 2023 23:18:21 +0800 +Subject: [PATCH 1/1] mtd: rawnand: add support for TH58NYG3S0HBAI4 NAND flash + +The Toshiba TH58NYG3S0HBAI4 is detected with 128 byte OOB while the flash +has 256 bytes OOB. Since it is not an ONFI compliant NAND, the model name +cannot be read from anywhere, add a static NAND ID entry to correct this. + +However, the NAND ID of this flash is inconsistent with the datasheet. +The actual NAND ID is only 4 ID bytes, the last ID byte is missing. + +Datasheet available at (the ID table is on page 50): +https://europe.kioxia.com/content/dam/kioxia/newidr/productinfo/datasheet/201910/DST_TH58NYG3S0HBAI4-TDE_EN_31565.pdf + +Datasheet NAND ID: {0x98, 0xa3, 0x91, 0x26, 0x76} +Actual NAND ID: {0x98, 0xa3, 0x91, 0x26} + +It seems that this flash may be counterfeit, but another Toshiba flash +also has the same problem. Maybe the driver has a bug, or some Toshiba +nand flash is like this. Anyway, add a static NAND ID entry with only +4 ID bytes as a hack to make sure it works. + +Tested on Arcadyan AW1000 flashed with OpenWrt. + +Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn> +--- + drivers/mtd/nand/raw/nand_ids.c | 3 +++ + 1 file changed, 3 insertions(+) + +--- a/drivers/mtd/nand/raw/nand_ids.c ++++ b/drivers/mtd/nand/raw/nand_ids.c +@@ -55,6 +55,9 @@ struct nand_flash_dev nand_flash_ids[] = + { .id = {0xad, 0xde, 0x14, 0xa7, 0x42, 0x4a} }, + SZ_16K, SZ_8K, SZ_4M, NAND_NEED_SCRAMBLING, 6, 1664, + NAND_ECC_INFO(40, SZ_1K) }, ++ {"TH58NYG3S0HBAI4 8G 1.8V 8-bit", /* Last ID bytes missing */ ++ { .id = {0x98, 0xa3, 0x91, 0x26} }, ++ SZ_4K, SZ_1K, SZ_256K, 0, 4, 256, NAND_ECC_INFO(8, SZ_512) }, + {"TH58NVG2S3HBAI4 4G 3.3V 8-bit", + { .id = {0x98, 0xdc, 0x91, 0x15, 0x76} }, + SZ_2K, SZ_512, SZ_128K, 0, 5, 128, NAND_ECC_INFO(8, SZ_512) }, |