From 1e5200d59e21c8a8fa63badf415becb2301e78a4 Mon Sep 17 00:00:00 2001 From: Jon Lin Date: Thu, 27 Apr 2023 22:00:04 +0800 Subject: [PATCH] mtd: spinand: gsto: Add code GSS01GSAK1, GSS02GSAK1 Change-Id: I7ee9048d934694803d6d081cb7d0cdc56f114e79 Signed-off-by: Jon Lin --- drivers/mtd/nand/spi/Makefile | 2 +- drivers/mtd/nand/spi/core.c | 1 + drivers/mtd/nand/spi/gsto.c | 90 +++++++++++++++++++++++++++++++++++ include/linux/mtd/spinand.h | 1 + 4 files changed, 93 insertions(+), 1 deletion(-) create mode 100644 drivers/mtd/nand/spi/gsto.c --- a/drivers/mtd/nand/spi/Makefile +++ b/drivers/mtd/nand/spi/Makefile @@ -1,6 +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 fmsh.o +spinand-objs += dosilicon.o fmsh.o gsto.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 @@ -830,6 +830,7 @@ static const struct spinand_manufacturer &etron_spinand_manufacturer, &fmsh_spinand_manufacturer, &gigadevice_spinand_manufacturer, + &gsto_spinand_manufacturer, ¯onix_spinand_manufacturer, µn_spinand_manufacturer, ¶gon_spinand_manufacturer, --- /dev/null +++ b/drivers/mtd/nand/spi/gsto.c @@ -0,0 +1,139 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2023 Rockchip Electronics Co., Ltd. + * + * Authors: + * Dingqiang Lin + */ + +#ifndef __UBOOT__ +#include +#include +#endif +#include + +#define SPINAND_MFR_GSTO 0x52 + +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(false, 0, NULL, 0), + SPINAND_PROG_LOAD(false, 0, NULL, 0)); + +static int gss0xgsak1_ooblayout_ecc(struct mtd_info *mtd, int section, + struct mtd_oob_region *region) +{ + if (section) + return -ERANGE; + + region->offset = 32; + region->length = 32; + + return 0; +} + +static int gss0xgsak1_ooblayout_free(struct mtd_info *mtd, int section, + struct mtd_oob_region *region) +{ + if (section) + return -ERANGE; + + region->offset = 2; + region->length = 30; + + return 0; +} + +static const struct mtd_ooblayout_ops gss0xgsak1_ooblayout = { + .ecc = gss0xgsak1_ooblayout_ecc, + .rfree = gss0xgsak1_ooblayout_free, +}; + +static int gss0xgsax1_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 gss0xgsax1_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 gss0xgsax1_ooblayout = { + .ecc = gss0xgsax1_ooblayout_ecc, + .rfree = gss0xgsax1_ooblayout_free, +}; + +static const struct spinand_info gsto_spinand_table[] = { + SPINAND_INFO("GSS01GSAK1", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xBA, 0x13), + NAND_MEMORG(1, 2048, 64, 64, 1024, 10, 1, 1, 1), + NAND_ECCREQ(4, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + 0, + SPINAND_ECCINFO(&gss0xgsak1_ooblayout, NULL)), + SPINAND_INFO("GSS02GSAK1", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xBA, 0x23), + NAND_MEMORG(1, 2048, 64, 64, 2048, 20, 1, 1, 1), + NAND_ECCREQ(4, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + 0, + SPINAND_ECCINFO(&gss0xgsax1_ooblayout, NULL)), + SPINAND_INFO("GSS02GSAX1", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xCA, 0x23), + 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), + 0, + SPINAND_ECCINFO(&gss0xgsax1_ooblayout, NULL)), + SPINAND_INFO("GSS01GSAX1", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xCA, 0x13), + 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), + 0, + SPINAND_ECCINFO(&gss0xgsax1_ooblayout, NULL)), +}; + +static const struct spinand_manufacturer_ops gsto_spinand_manuf_ops = { +}; + +const struct spinand_manufacturer gsto_spinand_manufacturer = { + .id = SPINAND_MFR_GSTO, + .name = "GSTO", + .chips = gsto_spinand_table, + .nchips = ARRAY_SIZE(gsto_spinand_table), + .ops = &gsto_spinand_manuf_ops, +}; --- a/include/linux/mtd/spinand.h +++ b/include/linux/mtd/spinand.h @@ -248,6 +248,7 @@ extern const struct spinand_manufacturer extern const struct spinand_manufacturer etron_spinand_manufacturer; extern const struct spinand_manufacturer fmsh_spinand_manufacturer; extern const struct spinand_manufacturer gigadevice_spinand_manufacturer; +extern const struct spinand_manufacturer gsto_spinand_manufacturer; extern const struct spinand_manufacturer macronix_spinand_manufacturer; extern const struct spinand_manufacturer micron_spinand_manufacturer; extern const struct spinand_manufacturer paragon_spinand_manufacturer;