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uboot: add etron spi-nand support

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This commit is contained in:
hanwckf
2023-08-27 01:29:08 +08:00
parent a1448e2542
commit 4dde86f5ac
4 changed files with 181 additions and 1 deletions
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2
uboot-mtk-20220606/drivers/mtd/nand/spi/Makefile
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@@ -1,4 +1,4 @@
# SPDX-License-Identifier: GPL-2.0
spinand-objs := core.o gigadevice.o macronix.o micron.o toshiba.o winbond.o
spinand-objs := core.o gigadevice.o macronix.o micron.o toshiba.o winbond.o etron.o
obj-$(CONFIG_MTD_SPI_NAND) += spinand.o

1
uboot-mtk-20220606/drivers/mtd/nand/spi/core.c
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@@ -824,6 +824,7 @@ static const struct spinand_manufacturer *spinand_manufacturers[] = {
&micron_spinand_manufacturer,
&toshiba_spinand_manufacturer,
&winbond_spinand_manufacturer,
&etron_spinand_manufacturer,
};
static int spinand_manufacturer_match(struct spinand_device *spinand,

178
uboot-mtk-20220606/drivers/mtd/nand/spi/etron.c Normal file
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@@ -0,0 +1,178 @@
// SPDX-License-Identifier: GPL-2.0
#ifndef __UBOOT__
#include <malloc.h>
#include <linux/device.h>
#include <linux/kernel.h>
#endif
#include <linux/mtd/spinand.h>
#define SPINAND_MFR_ETRON 0xD5
#define STATUS_ECC_LIMIT_BITFLIPS (3 << 4)
static SPINAND_OP_VARIANTS(read_cache_variants,
SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 1, 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 etron_ooblayout_ecc(struct mtd_info *mtd, int section,
struct mtd_oob_region *region)
{
if (section > 3)
return -ERANGE;
region->offset = (14 * section) + 72;
region->length = 14;
return 0;
}
static int etron_ooblayout_free(struct mtd_info *mtd, int section,
struct mtd_oob_region *region)
{
if (section > 3)
return -ERANGE;
if (section) {
region->offset = 18 * section;
region->length = 18;
} else {
/* section 0 has one byte reserved for bad block mark */
region->offset = 2;
region->length = 16;
}
return 0;
}
static const struct mtd_ooblayout_ops etron_ooblayout = {
.ecc = etron_ooblayout_ecc,
.rfree = etron_ooblayout_free,
};
static int etron_ecc_get_status(struct spinand_device *spinand,
u8 status)
{
struct nand_device *nand = spinand_to_nand(spinand);
switch (status & STATUS_ECC_MASK) {
case STATUS_ECC_NO_BITFLIPS:
return 0;
case STATUS_ECC_UNCOR_ERROR:
return -EBADMSG;
case STATUS_ECC_HAS_BITFLIPS:
return nand->eccreq.strength >> 1;
case STATUS_ECC_LIMIT_BITFLIPS:
return nand->eccreq.strength;
default:
break;
}
return -EINVAL;
}
static const struct spinand_info etron_spinand_table[] = {
/* EM73C 1Gb 3.3V */
SPINAND_INFO("EM73C044VCF",
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x25),
NAND_MEMORG(1, 2048, 64, 64, 1024, 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(&etron_ooblayout, etron_ecc_get_status)),
/* EM7xD 2Gb */
SPINAND_INFO("EM73D044VCR",
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x41),
NAND_MEMORG(1, 2048, 64, 64, 2048, 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(&etron_ooblayout, etron_ecc_get_status)),
SPINAND_INFO("EM73D044VCO",
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x3A),
NAND_MEMORG(1, 2048, 128, 64, 2048, 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(&etron_ooblayout, etron_ecc_get_status)),
SPINAND_INFO("EM78D044VCM",
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x8E),
NAND_MEMORG(1, 2048, 128, 64, 2048, 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(&etron_ooblayout, etron_ecc_get_status)),
/* EM7xE 4Gb */
SPINAND_INFO("EM73E044VCE",
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x3B),
NAND_MEMORG(1, 2048, 128, 64, 4096, 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(&etron_ooblayout, etron_ecc_get_status)),
SPINAND_INFO("EM78E044VCD",
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x8F),
NAND_MEMORG(1, 2048, 128, 64, 4096, 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(&etron_ooblayout, etron_ecc_get_status)),
/* EM7xF044VCA 8Gb */
SPINAND_INFO("EM73F044VCA",
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x15),
NAND_MEMORG(1, 4096, 256, 64, 4096, 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(&etron_ooblayout, etron_ecc_get_status)),
SPINAND_INFO("EM78F044VCA",
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x8D),
NAND_MEMORG(1, 4096, 256, 64, 4096, 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(&etron_ooblayout, etron_ecc_get_status)),
};
static const struct spinand_manufacturer_ops etron_spinand_manuf_ops = {
};
const struct spinand_manufacturer etron_spinand_manufacturer = {
.id = SPINAND_MFR_ETRON,
.name = "Etron",
.chips = etron_spinand_table,
.nchips = ARRAY_SIZE(etron_spinand_table),
.ops = &etron_spinand_manuf_ops,
};

1
uboot-mtk-20220606/include/linux/mtd/spinand.h
View File

@@ -238,6 +238,7 @@ extern const struct spinand_manufacturer macronix_spinand_manufacturer;
extern const struct spinand_manufacturer micron_spinand_manufacturer;
extern const struct spinand_manufacturer toshiba_spinand_manufacturer;
extern const struct spinand_manufacturer winbond_spinand_manufacturer;
extern const struct spinand_manufacturer etron_spinand_manufacturer;
/**
* struct spinand_op_variants - SPI NAND operation variants