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This patch adds support for FudanMicro FM25S01A SPI NAND. It's required for some CMCC RAX3000Me hardware revisions. The patch was partially taken from ImmortalWrt. Link: https://raw.githubusercontent.com/immortalwrt/immortalwrt/refs/heads/master/package/boot/uboot-mediatek/patches/342-mtd-spinand-Support-fmsh.patch Signed-off-by: Mikhail Zhilkin <csharper2005@gmail.com> Link: https://github.com/openwrt/openwrt/pull/19760 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
77 lines
2.5 KiB
Diff
77 lines
2.5 KiB
Diff
From c5b3dd3b860b7eb65950c077a70b2e5ad68626b0 Mon Sep 17 00:00:00 2001
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From: Mikhail Zhilkin <csharper2005@gmail.com>
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Date: Wed, 13 Aug 2025 21:54:49 +0300
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Subject: uboot-mediatek: add support for FudanMicro FM25S01A
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This patch adds support for FudanMicro FM25S01A SPI NAND. It's required
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for some CMCC RAX3000Me hardware revisions.
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The patch was partially taken from ImmortalWrt.
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Link:
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https://raw.githubusercontent.com/immortalwrt/immortalwrt/refs/heads/master/package/boot/uboot-mediatek/patches/342-mtd-spinand-Support-fmsh.patch
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Signed-off-by: Mikhail Zhilkin <csharper2005@gmail.com>
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---
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--- a/drivers/mtd/nand/spi/fudanmicro.c
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+++ b/drivers/mtd/nand/spi/fudanmicro.c
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@@ -27,6 +27,29 @@ static SPINAND_OP_VARIANTS(update_cache_
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SPINAND_PROG_LOAD_X4(false, 0, NULL, 0),
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SPINAND_PROG_LOAD(false, 0, NULL, 0));
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+static int fm25s01a_ooblayout_ecc(struct mtd_info *mtd, int section,
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+ struct mtd_oob_region *region)
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+{
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+ return -ERANGE;
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+}
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+
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+static int fm25s01a_ooblayout_free(struct mtd_info *mtd, int section,
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+ struct mtd_oob_region *region)
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+{
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+ if (section)
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+ return -ERANGE;
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+
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+ region->offset = 2;
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+ region->length = 62;
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+
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+ return 0;
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+}
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+
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+static const struct mtd_ooblayout_ops fm25s01a_ooblayout = {
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+ .ecc = fm25s01a_ooblayout_ecc,
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+ .rfree = fm25s01a_ooblayout_free,
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+};
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+
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static int fm25s01b_ooblayout_ecc(struct mtd_info *mtd, int section,
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struct mtd_oob_region *region)
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{
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@@ -83,8 +106,17 @@ static int fm25s01b_ecc_get_status(struc
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}
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static const struct spinand_info fudan_spinand_table[] = {
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- SPINAND_INFO("FM25s01B",
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- SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xD4),
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+ SPINAND_INFO("FM25S01A",
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+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xE4),
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+ NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),
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+ NAND_ECCREQ(1, 512),
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+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
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+ &write_cache_variants,
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+ &update_cache_variants),
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+ 0,
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+ SPINAND_ECCINFO(&fm25s01a_ooblayout, NULL)),
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+ SPINAND_INFO("FM25S01B",
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+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xD4),
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NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1),
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NAND_ECCREQ(8, 512),
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SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
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@@ -100,7 +132,7 @@ static const struct spinand_manufacturer
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const struct spinand_manufacturer fudan_spinand_manufacturer = {
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.id = SPINAND_MFR_FUDAN,
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- .name = "FUDAN Micron",
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+ .name = "FudanMicro",
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.chips = fudan_spinand_table,
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.nchips = ARRAY_SIZE(fudan_spinand_table),
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.ops = &fudan_spinand_manuf_ops,
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