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43 lines
1.8 KiB
Diff
43 lines
1.8 KiB
Diff
From 8d8b37d3af2bdccf0a37d2017d876bfc6ce42552 Mon Sep 17 00:00:00 2001
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From: Chukun Pan <amadeus@jmu.edu.cn>
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Date: Fri, 20 Oct 2023 23:18:21 +0800
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Subject: [PATCH 1/1] mtd: rawnand: add support for TH58NYG3S0HBAI4 NAND flash
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The Toshiba TH58NYG3S0HBAI4 is detected with 128 byte OOB while the flash
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has 256 bytes OOB. Since it is not an ONFI compliant NAND, the model name
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cannot be read from anywhere, add a static NAND ID entry to correct this.
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However, the NAND ID of this flash is inconsistent with the datasheet.
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The actual NAND ID is only 4 ID bytes, the last ID byte is missing.
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Datasheet available at (the ID table is on page 50):
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https://europe.kioxia.com/content/dam/kioxia/newidr/productinfo/datasheet/201910/DST_TH58NYG3S0HBAI4-TDE_EN_31565.pdf
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Datasheet NAND ID: {0x98, 0xa3, 0x91, 0x26, 0x76}
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Actual NAND ID: {0x98, 0xa3, 0x91, 0x26}
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It seems that this flash may be counterfeit, but another Toshiba flash
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also has the same problem. Maybe the driver has a bug, or some Toshiba
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nand flash is like this. Anyway, add a static NAND ID entry with only
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4 ID bytes as a hack to make sure it works.
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Tested on Arcadyan AW1000 flashed with OpenWrt.
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Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
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---
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drivers/mtd/nand/raw/nand_ids.c | 3 +++
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1 file changed, 3 insertions(+)
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--- a/drivers/mtd/nand/raw/nand_ids.c
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+++ b/drivers/mtd/nand/raw/nand_ids.c
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@@ -58,6 +58,9 @@ struct nand_flash_dev nand_flash_ids[] =
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{ .id = {0xad, 0xde, 0x14, 0xa7, 0x42, 0x4a} },
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SZ_16K, SZ_8K, SZ_4M, NAND_NEED_SCRAMBLING, 6, 1664,
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NAND_ECC_INFO(40, SZ_1K) },
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+ {"TH58NYG3S0HBAI4 8G 1.8V 8-bit", /* Last ID bytes missing */
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+ { .id = {0x98, 0xa3, 0x91, 0x26} },
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+ SZ_4K, SZ_1K, SZ_256K, 0, 4, 256, NAND_ECC_INFO(8, SZ_512) },
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{"TH58NVG2S3HBAI4 4G 3.3V 8-bit",
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{ .id = {0x98, 0xdc, 0x91, 0x15, 0x76} },
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SZ_2K, SZ_512, SZ_128K, 0, 5, 128, NAND_ECC_INFO(8, SZ_512) },
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