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 diff --git a/drivers/mtd/nand/spi/Makefile b/drivers/mtd/nand/spi/Makefile index 1f500a390532..1f8185338a19 100644 --- a/drivers/mtd/nand/spi/Makefile +++ b/drivers/mtd/nand/spi/Makefile @@ -1,3 +1,3 @@ # SPDX-License-Identifier: GPL-2.0 -spinand-objs := core.o gigadevice.o macronix.o micron.o paragon.o toshiba.o winbond.o biwin.o dosilicon.o esmt.o etron.o fmsh.o foresee.o hyf.o jsc.o silicongo.o skyhigh.o unim.o xtx.o +spinand-objs := core.o gigadevice.o gsto.o macronix.o micron.o paragon.o toshiba.o winbond.o biwin.o dosilicon.o esmt.o etron.o fmsh.o foresee.o hyf.o jsc.o silicongo.o skyhigh.o unim.o xtx.o obj-$(CONFIG_MTD_SPI_NAND) += spinand.o diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c index 93526e08fe0a..b923fdb6a112 100644 --- a/drivers/mtd/nand/spi/core.c +++ b/drivers/mtd/nand/spi/core.c @@ -856,6 +856,7 @@ static const struct spinand_manufacturer *spinand_manufacturers[] = { &fmsh_spinand_manufacturer, &foresee_spinand_manufacturer, &gigadevice_spinand_manufacturer, + &gsto_spinand_manufacturer, &hyf_spinand_manufacturer, &jsc_spinand_manufacturer, ¯onix_spinand_manufacturer, diff --git a/drivers/mtd/nand/spi/gsto.c b/drivers/mtd/nand/spi/gsto.c new file mode 100644 index 000000000000..fc4098e22b38 --- /dev/null +++ b/drivers/mtd/nand/spi/gsto.c @@ -0,0 +1,90 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2023 Rockchip Electronics Co., Ltd + * + * Authors: + * Dingqiang Lin + */ + +#include +#include +#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, + .free = gss0xgsak1_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(&gss0xgsak1_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, +}; diff --git a/include/linux/mtd/spinand.h b/include/linux/mtd/spinand.h index c6ca57ec0144..18ab2a11d7d9 100644 --- a/include/linux/mtd/spinand.h +++ b/include/linux/mtd/spinand.h @@ -245,6 +245,7 @@ extern const struct spinand_manufacturer etron_spinand_manufacturer; extern const struct spinand_manufacturer fmsh_spinand_manufacturer; extern const struct spinand_manufacturer foresee_spinand_manufacturer; extern const struct spinand_manufacturer gigadevice_spinand_manufacturer; +extern const struct spinand_manufacturer gsto_spinand_manufacturer; extern const struct spinand_manufacturer hyf_spinand_manufacturer; extern const struct spinand_manufacturer jsc_spinand_manufacturer; extern const struct spinand_manufacturer macronix_spinand_manufacturer;