eternalwrt/eternalwrt-mt798x
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

uboot-mediatek: add FM25G02B spi-nand flash support

Browse Source 
Based on commit 9a368bb4e4 ("kernel: add support for FudanMicro FM25G02B").

Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>
(cherry picked from commit 7851d11e3f)
This commit is contained in:
Tianling Shen
2026-01-27 22:00:06 +08:00
parent 1cfb77854b
commit a4409cbd94
1 changed files with 41 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
package/boot/uboot-mediatek/patches/342-mtd-spinand-Support-fmsh.patch
+41 -4
View File
@@ -37,13 +37,12 @@ Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
&micron_spinand_manufacturer,
--- /dev/null
+++ b/drivers/mtd/nand/spi/fmsh.c
@@ -0,0 +1,240 @@
@@ -0,0 +1,277 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2020-2021 Rockchip Electronics Co., Ltd.
+ *
+ * Authors:
+ * Dingqiang Lin <jon.lin@rock-chips.com>
+ * Author: Dingqiang Lin <jon.lin@rock-chips.com>
+ */
+
+#ifndef __UBOOT__
@@ -202,6 +201,35 @@ Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
+ return -EBADMSG;
+}
+
+static int fm25g02b_ooblayout_ecc(struct mtd_info *mtd, int section,
+ struct mtd_oob_region *region)
+{
+ if (section >= 8)
+ return -ERANGE;
+
+ region->offset = 64 + section * 8;
+ region->length = 8;
+
+ return 0;
+}
+
+static int fm25g02b_ooblayout_free(struct mtd_info *mtd, int section,
+ struct mtd_oob_region *region)
+{
+ if (section)
+ return -ERANGE;
+
+ region->offset = 2;
+ region->length = 62;
+
+ return 0;
+}
+
+static const struct mtd_ooblayout_ops fm25g02b_ooblayout = {
+ .ecc = fm25g02b_ooblayout_ecc,
+ .rfree = fm25g02b_ooblayout_free,
+};
+
+static const struct spinand_info fmsh_spinand_table[] = {
+ SPINAND_INFO("FM25S01A",
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xE4),
@@ -257,6 +285,15 @@ Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
+ &update_cache_variants),
+ SPINAND_HAS_QE_BIT,
+ SPINAND_ECCINFO(&fm25s01_ooblayout, fm25s01bi3_ecc_ecc_get_status)),
+ SPINAND_INFO("FM25G02B",
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xD2),
+ NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 1, 1, 1),
+ NAND_ECCREQ(8, 528),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ &write_cache_variants,
+ &update_cache_variants),
+ SPINAND_HAS_QE_BIT,
+ SPINAND_ECCINFO(&fm25g02b_ooblayout, NULL)),
+ SPINAND_INFO("FM25G02D",
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xF2),
+ NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 1, 1, 1),
@@ -273,7 +310,7 @@ Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
+
+const struct spinand_manufacturer fmsh_spinand_manufacturer = {
+ .id = SPINAND_MFR_FMSH,
+ .name = "FMSH",
+ .name = "Fudan Micro",
+ .chips = fmsh_spinand_table,
+ .nchips = ARRAY_SIZE(fmsh_spinand_table),
+ .ops = &fmsh_spinand_manuf_ops,