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immortalwrt/package/boot/uboot-mediatek/patches/341-mtd-spinand-Support-dosilicon.patch
Tianling Shen de8a2afc84
uboot-mediatek: import dosilicon/fmsh/gsto spi nand support 
Imported from linux-rockchip tree:
https://github.com/armbian/linux-rockchip/tree/rk-6.1-rkr5/drivers/mtd/nand/spi

Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>
(cherry picked from commit df588a6827a26410a1b66f618aa11152d83bd6cb)
2025-03-09 16:42:39 +08:00

333 lines
11 KiB
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Raw Blame History

From cead43cc5781492f2706eeed1157c8986a216bc9 Mon Sep 17 00:00:00 2001
From: Jon Lin <jon.lin@rock-chips.com>
Date: Sun, 17 Oct 2021 09:51:39 +0800
Subject: [PATCH] mtd: spinand: Support dosilicon
DS35X1GA, DS35Q2GA, DS35M1GA, DS35M2GA, DS35Q2GB, DS35M1GB
Change-Id: I5aeb0219f01dbe98d36b398e66b94ab31b07788e
Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
---
drivers/mtd/nand/spi/Makefile | 2 +-
drivers/mtd/nand/spi/core.c | 1 +
drivers/mtd/nand/spi/dosilicon.c | 187 +++++++++++++++++++++++++++++++
include/linux/mtd/spinand.h | 1 +
4 files changed, 190 insertions(+), 1 deletion(-)
create mode 100644 drivers/mtd/nand/spi/dosilicon.c
--- a/drivers/mtd/nand/spi/Makefile
+++ b/drivers/mtd/nand/spi/Makefile
@@ -1,5 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
spinand-objs := core.o esmt.o foresee.o etron.o gigadevice.o macronix.o micron.o paragon.o
+spinand-objs += dosilicon.o
spinand-objs += toshiba.o winbond.o xtx.o
obj-$(CONFIG_MTD_SPI_NAND) += spinand.o
--- a/drivers/mtd/nand/spi/core.c
+++ b/drivers/mtd/nand/spi/core.c
@@ -826,6 +826,7 @@ static const struct nand_ops spinand_ops
};
static const struct spinand_manufacturer *spinand_manufacturers[] = {
+ &dosilicon_spinand_manufacturer,
&etron_spinand_manufacturer,
&gigadevice_spinand_manufacturer,
&macronix_spinand_manufacturer,
--- /dev/null
+++ b/drivers/mtd/nand/spi/dosilicon.c
@@ -0,0 +1,283 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2020 Rockchip Electronics Co., Ltd.
+ */
+
+#ifndef __UBOOT__
+#include <linux/device.h>
+#include <linux/kernel.h>
+#endif
+#include <linux/mtd/spinand.h>
+
+#define SPINAND_MFR_DOSILICON 0xE5
+
+#define DOSICON_STATUS_ECC_MASK GENMASK(6, 4)
+#define DOSICON_STATUS_ECC_NO_BITFLIPS (0 << 4)
+#define DOSICON_STATUS_ECC_1TO3_BITFLIPS (1 << 4)
+#define DOSICON_STATUS_ECC_4TO6_BITFLIPS (3 << 4)
+#define DOSICON_STATUS_ECC_7TO8_BITFLIPS (5 << 4)
+
+static SPINAND_OP_VARIANTS(read_cache_variants,
+ SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0),
+ SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),
+ SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0),
+ SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0),
+ SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0),
+ SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0));
+
+static SPINAND_OP_VARIANTS(write_cache_variants,
+ SPINAND_PROG_LOAD_X4(true, 0, NULL, 0),
+ SPINAND_PROG_LOAD(true, 0, NULL, 0));
+
+static SPINAND_OP_VARIANTS(update_cache_variants,
+ SPINAND_PROG_LOAD_X4(true, 0, NULL, 0),
+ SPINAND_PROG_LOAD(true, 0, NULL, 0));
+
+static int ds35xxga_ooblayout_ecc(struct mtd_info *mtd, int section,
+ struct mtd_oob_region *region)
+{
+ if (section > 3)
+ return -ERANGE;
+
+ region->offset = (16 * section) + 8;
+ region->length = 8;
+
+ return 0;
+}
+
+static int ds35xxga_ooblayout_free(struct mtd_info *mtd, int section,
+ struct mtd_oob_region *region)
+{
+ if (section > 3)
+ return -ERANGE;
+
+ region->offset = (16 * section) + 2;
+ region->length = 6;
+
+ return 0;
+}
+
+static const struct mtd_ooblayout_ops ds35xxga_ooblayout = {
+ .ecc = ds35xxga_ooblayout_ecc,
+ .rfree = ds35xxga_ooblayout_free,
+};
+
+static int ds35xxgb_ooblayout_ecc(struct mtd_info *mtd, int section,
+ struct mtd_oob_region *region)
+{
+ if (section)
+ return -ERANGE;
+
+ region->offset = 64;
+ region->length = 64;
+
+ return 0;
+}
+
+static int ds35xxgb_ooblayout_free(struct mtd_info *mtd, int section,
+ struct mtd_oob_region *region)
+{
+ if (section)
+ return -ERANGE;
+
+ /* Reserve 1 bytes for the BBM. */
+ region->offset = 1;
+ region->length = 63;
+
+ return 0;
+}
+
+static const struct mtd_ooblayout_ops ds35xxgb_ooblayout = {
+ .ecc = ds35xxgb_ooblayout_ecc,
+ .rfree = ds35xxgb_ooblayout_free,
+};
+
+static int ds35xxgb_ecc_get_status(struct spinand_device *spinand,
+ u8 status)
+{
+ switch (status & DOSICON_STATUS_ECC_MASK) {
+ case STATUS_ECC_NO_BITFLIPS:
+ return 0;
+
+ case STATUS_ECC_UNCOR_ERROR:
+ return -EBADMSG;
+
+ case DOSICON_STATUS_ECC_1TO3_BITFLIPS:
+ return 3;
+
+ case DOSICON_STATUS_ECC_4TO6_BITFLIPS:
+ return 6;
+
+ case DOSICON_STATUS_ECC_7TO8_BITFLIPS:
+ return 8;
+
+ default:
+ break;
+ }
+
+ return -EINVAL;
+}
+
+static const struct spinand_info dosilicon_spinand_table[] = {
+ SPINAND_INFO("DS35X1GA",
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x71),
+ NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),
+ NAND_ECCREQ(4, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ &write_cache_variants,
+ &update_cache_variants),
+ SPINAND_HAS_QE_BIT,
+ SPINAND_ECCINFO(&ds35xxga_ooblayout, NULL)),
+ SPINAND_INFO("DS35Q2GA",
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x72),
+ NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 2, 1, 1),
+ NAND_ECCREQ(4, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ &write_cache_variants,
+ &update_cache_variants),
+ SPINAND_HAS_QE_BIT,
+ SPINAND_ECCINFO(&ds35xxga_ooblayout, NULL)),
+ SPINAND_INFO("DS35M1GA",
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x21),
+ NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),
+ NAND_ECCREQ(4, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ &write_cache_variants,
+ &update_cache_variants),
+ SPINAND_HAS_QE_BIT,
+ SPINAND_ECCINFO(&ds35xxga_ooblayout, NULL)),
+ SPINAND_INFO("DS35M2GA",
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x22),
+ NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 2, 1, 1),
+ NAND_ECCREQ(4, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ &write_cache_variants,
+ &update_cache_variants),
+ SPINAND_HAS_QE_BIT,
+ SPINAND_ECCINFO(&ds35xxga_ooblayout, NULL)),
+ SPINAND_INFO("DS35Q2GB",
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xF2),
+ NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 2, 1, 1),
+ NAND_ECCREQ(8, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ &write_cache_variants,
+ &update_cache_variants),
+ SPINAND_HAS_QE_BIT,
+ SPINAND_ECCINFO(&ds35xxgb_ooblayout,
+ ds35xxgb_ecc_get_status)),
+ SPINAND_INFO("DS35M1GB",
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xA1),
+ NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1),
+ NAND_ECCREQ(8, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ &write_cache_variants,
+ &update_cache_variants),
+ SPINAND_HAS_QE_BIT,
+ SPINAND_ECCINFO(&ds35xxgb_ooblayout,
+ ds35xxgb_ecc_get_status)),
+ SPINAND_INFO("DS35Q1GB",
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xF1),
+ NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1),
+ NAND_ECCREQ(8, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ &write_cache_variants,
+ &update_cache_variants),
+ SPINAND_HAS_QE_BIT,
+ SPINAND_ECCINFO(&ds35xxgb_ooblayout,
+ ds35xxgb_ecc_get_status)),
+ SPINAND_INFO("DS35Q4GM",
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xF4),
+ NAND_MEMORG(1, 2048, 128, 64, 4096, 80, 2, 1, 1),
+ NAND_ECCREQ(8, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ &write_cache_variants,
+ &update_cache_variants),
+ SPINAND_HAS_QE_BIT,
+ SPINAND_ECCINFO(&ds35xxgb_ooblayout,
+ ds35xxgb_ecc_get_status)),
+ SPINAND_INFO("DS35Q12B",
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xF5),
+ NAND_MEMORG(1, 2048, 128, 64, 512, 10, 1, 1, 1),
+ NAND_ECCREQ(8, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ &write_cache_variants,
+ &update_cache_variants),
+ SPINAND_HAS_QE_BIT,
+ SPINAND_ECCINFO(&ds35xxgb_ooblayout,
+ ds35xxgb_ecc_get_status)),
+ SPINAND_INFO("DS35M12B",
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xA5),
+ NAND_MEMORG(1, 2048, 128, 64, 512, 10, 1, 1, 1),
+ NAND_ECCREQ(8, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ &write_cache_variants,
+ &update_cache_variants),
+ SPINAND_HAS_QE_BIT,
+ SPINAND_ECCINFO(&ds35xxgb_ooblayout,
+ ds35xxgb_ecc_get_status)),
+ SPINAND_INFO("DS35Q1GD-IB",
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x51),
+ NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1),
+ NAND_ECCREQ(8, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ &write_cache_variants,
+ &update_cache_variants),
+ SPINAND_HAS_QE_BIT,
+ SPINAND_ECCINFO(&ds35xxgb_ooblayout, ds35xxgb_ecc_get_status)),
+ SPINAND_INFO("DS35M4GB-IB",
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x64),
+ NAND_MEMORG(1, 2048, 128, 64, 4096, 40, 1, 1, 1),
+ NAND_ECCREQ(8, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ &write_cache_variants,
+ &update_cache_variants),
+ SPINAND_HAS_QE_BIT,
+ SPINAND_ECCINFO(&ds35xxgb_ooblayout, ds35xxgb_ecc_get_status)),
+ SPINAND_INFO("DS35Q4GB-IB",
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xB4),
+ NAND_MEMORG(1, 2048, 128, 64, 4096, 40, 1, 1, 1),
+ NAND_ECCREQ(8, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ &write_cache_variants,
+ &update_cache_variants),
+ SPINAND_HAS_QE_BIT,
+ SPINAND_ECCINFO(&ds35xxgb_ooblayout, ds35xxgb_ecc_get_status)),
+ SPINAND_INFO("DS35Q12C-IB",
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x75),
+ NAND_MEMORG(1, 2048, 128, 64, 512, 10, 1, 1, 1),
+ NAND_ECCREQ(8, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ &write_cache_variants,
+ &update_cache_variants),
+ SPINAND_HAS_QE_BIT,
+ SPINAND_ECCINFO(&ds35xxgb_ooblayout, ds35xxgb_ecc_get_status)),
+ SPINAND_INFO("DS35M12C-IB",
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x25),
+ NAND_MEMORG(1, 2048, 128, 64, 512, 10, 1, 1, 1),
+ NAND_ECCREQ(8, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ &write_cache_variants,
+ &update_cache_variants),
+ SPINAND_HAS_QE_BIT,
+ SPINAND_ECCINFO(&ds35xxgb_ooblayout, ds35xxgb_ecc_get_status)),
+ SPINAND_INFO("DS35Q2GBS",
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xB2),
+ NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 1, 1, 1),
+ NAND_ECCREQ(8, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ &write_cache_variants,
+ &update_cache_variants),
+ SPINAND_HAS_QE_BIT,
+ SPINAND_ECCINFO(&ds35xxgb_ooblayout, ds35xxgb_ecc_get_status)),
+};
+
+static const struct spinand_manufacturer_ops dosilicon_spinand_manuf_ops = {
+};
+
+const struct spinand_manufacturer dosilicon_spinand_manufacturer = {
+ .id = SPINAND_MFR_DOSILICON,
+ .name = "dosilicon",
+ .chips = dosilicon_spinand_table,
+ .nchips = ARRAY_SIZE(dosilicon_spinand_table),
+ .ops = &dosilicon_spinand_manuf_ops,
+};
--- a/include/linux/mtd/spinand.h
+++ b/include/linux/mtd/spinand.h
@@ -244,6 +244,7 @@ struct spinand_manufacturer {
};
/* SPI NAND manufacturers */
+extern const struct spinand_manufacturer dosilicon_spinand_manufacturer;
extern const struct spinand_manufacturer etron_spinand_manufacturer;
extern const struct spinand_manufacturer gigadevice_spinand_manufacturer;
extern const struct spinand_manufacturer macronix_spinand_manufacturer;
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