df588a6827
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>
190 lines
5.9 KiB
Diff
190 lines
5.9 KiB
Diff
From 1e5200d59e21c8a8fa63badf415becb2301e78a4 Mon Sep 17 00:00:00 2001
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From: Jon Lin <jon.lin@rock-chips.com>
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Date: Thu, 27 Apr 2023 22:00:04 +0800
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Subject: [PATCH] mtd: spinand: gsto: Add code
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GSS01GSAK1, GSS02GSAK1
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Change-Id: I7ee9048d934694803d6d081cb7d0cdc56f114e79
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Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
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---
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drivers/mtd/nand/spi/Makefile | 2 +-
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drivers/mtd/nand/spi/core.c | 1 +
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drivers/mtd/nand/spi/gsto.c | 90 +++++++++++++++++++++++++++++++++++
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include/linux/mtd/spinand.h | 1 +
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4 files changed, 93 insertions(+), 1 deletion(-)
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create mode 100644 drivers/mtd/nand/spi/gsto.c
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--- a/drivers/mtd/nand/spi/Makefile
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+++ b/drivers/mtd/nand/spi/Makefile
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@@ -1,6 +1,6 @@
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# SPDX-License-Identifier: GPL-2.0
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spinand-objs := core.o esmt.o foresee.o etron.o gigadevice.o macronix.o micron.o paragon.o
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-spinand-objs += dosilicon.o fmsh.o
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+spinand-objs += dosilicon.o fmsh.o gsto.o
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spinand-objs += toshiba.o winbond.o xtx.o
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obj-$(CONFIG_MTD_SPI_NAND) += spinand.o
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--- a/drivers/mtd/nand/spi/core.c
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+++ b/drivers/mtd/nand/spi/core.c
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@@ -830,6 +830,7 @@ static const struct spinand_manufacturer
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&etron_spinand_manufacturer,
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&fmsh_spinand_manufacturer,
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&gigadevice_spinand_manufacturer,
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+ &gsto_spinand_manufacturer,
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¯onix_spinand_manufacturer,
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µn_spinand_manufacturer,
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¶gon_spinand_manufacturer,
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--- /dev/null
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+++ b/drivers/mtd/nand/spi/gsto.c
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@@ -0,0 +1,139 @@
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+// SPDX-License-Identifier: GPL-2.0
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+/*
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+ * Copyright (c) 2023 Rockchip Electronics Co., Ltd.
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+ *
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+ * Authors:
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+ * Dingqiang Lin <jon.lin@rock-chips.com>
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+ */
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+
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+#ifndef __UBOOT__
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+#include <linux/device.h>
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+#include <linux/kernel.h>
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+#endif
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+#include <linux/mtd/spinand.h>
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+
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+#define SPINAND_MFR_GSTO 0x52
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+
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+static SPINAND_OP_VARIANTS(read_cache_variants,
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+ SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0),
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+ SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),
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+ SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0),
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+ SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0),
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+ SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0),
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+ SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0));
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+
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+static SPINAND_OP_VARIANTS(write_cache_variants,
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+ SPINAND_PROG_LOAD_X4(true, 0, NULL, 0),
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+ SPINAND_PROG_LOAD(true, 0, NULL, 0));
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+
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+static SPINAND_OP_VARIANTS(update_cache_variants,
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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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+
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+static int gss0xgsak1_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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+ if (section)
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+ return -ERANGE;
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+
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+ region->offset = 32;
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+ region->length = 32;
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+
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+ return 0;
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+}
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+
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+static int gss0xgsak1_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 = 30;
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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 gss0xgsak1_ooblayout = {
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+ .ecc = gss0xgsak1_ooblayout_ecc,
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+ .rfree = gss0xgsak1_ooblayout_free,
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+};
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+
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+static int gss0xgsax1_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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+ if (section)
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+ return -ERANGE;
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+
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+ region->offset = 64;
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+ region->length = 64;
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+
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+ return 0;
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+}
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+
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+static int gss0xgsax1_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 gss0xgsax1_ooblayout = {
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+ .ecc = gss0xgsax1_ooblayout_ecc,
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+ .rfree = gss0xgsax1_ooblayout_free,
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+};
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+
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+static const struct spinand_info gsto_spinand_table[] = {
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+ SPINAND_INFO("GSS01GSAK1",
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+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xBA, 0x13),
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+ NAND_MEMORG(1, 2048, 64, 64, 1024, 10, 1, 1, 1),
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+ NAND_ECCREQ(4, 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(&gss0xgsak1_ooblayout, NULL)),
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+ SPINAND_INFO("GSS02GSAK1",
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+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xBA, 0x23),
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+ NAND_MEMORG(1, 2048, 64, 64, 2048, 20, 1, 1, 1),
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+ NAND_ECCREQ(4, 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(&gss0xgsax1_ooblayout, NULL)),
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+ SPINAND_INFO("GSS02GSAX1",
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+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xCA, 0x23),
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+ NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 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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+ &write_cache_variants,
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+ &update_cache_variants),
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+ 0,
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+ SPINAND_ECCINFO(&gss0xgsax1_ooblayout, NULL)),
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+ SPINAND_INFO("GSS01GSAX1",
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+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xCA, 0x13),
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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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+ &write_cache_variants,
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+ &update_cache_variants),
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+ 0,
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+ SPINAND_ECCINFO(&gss0xgsax1_ooblayout, NULL)),
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+};
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+
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+static const struct spinand_manufacturer_ops gsto_spinand_manuf_ops = {
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+};
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+
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+const struct spinand_manufacturer gsto_spinand_manufacturer = {
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+ .id = SPINAND_MFR_GSTO,
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+ .name = "GSTO",
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+ .chips = gsto_spinand_table,
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+ .nchips = ARRAY_SIZE(gsto_spinand_table),
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+ .ops = &gsto_spinand_manuf_ops,
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+};
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--- a/include/linux/mtd/spinand.h
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+++ b/include/linux/mtd/spinand.h
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@@ -248,6 +248,7 @@ extern const struct spinand_manufacturer
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extern const struct spinand_manufacturer etron_spinand_manufacturer;
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extern const struct spinand_manufacturer fmsh_spinand_manufacturer;
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extern const struct spinand_manufacturer gigadevice_spinand_manufacturer;
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+extern const struct spinand_manufacturer gsto_spinand_manufacturer;
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extern const struct spinand_manufacturer macronix_spinand_manufacturer;
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extern const struct spinand_manufacturer micron_spinand_manufacturer;
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extern const struct spinand_manufacturer paragon_spinand_manufacturer;
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