82 lines
2.2 KiB
C
82 lines
2.2 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Copyright (c) 2024 Rockchip Electronics Co., Ltd.
|
|
*
|
|
* Authors:
|
|
* Dingqiang Lin <jon.lin@rock-chips.com>
|
|
*/
|
|
|
|
#include <linux/device.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/mtd/spinand.h>
|
|
|
|
#define SPINAND_MFR_HIKSEMI 0x3C
|
|
|
|
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 hsesyhdswxg_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 hsesyhdswxg_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 hsesyhdswxg_ooblayout = {
|
|
.ecc = hsesyhdswxg_ooblayout_ecc,
|
|
.free = hsesyhdswxg_ooblayout_free,
|
|
};
|
|
|
|
static const struct spinand_info hiksemi_spinand_table[] = {
|
|
SPINAND_INFO("HSESYHDSW2G",
|
|
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xD2),
|
|
NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 1, 1, 1),
|
|
NAND_ECCREQ(4, 512),
|
|
SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
|
|
&write_cache_variants,
|
|
&update_cache_variants),
|
|
0,
|
|
SPINAND_ECCINFO(&hsesyhdswxg_ooblayout, NULL)),
|
|
};
|
|
|
|
static const struct spinand_manufacturer_ops hiksemi_spinand_manuf_ops = {
|
|
};
|
|
|
|
const struct spinand_manufacturer hiksemi_spinand_manufacturer = {
|
|
.id = SPINAND_MFR_HIKSEMI,
|
|
.name = "HIKSEMI",
|
|
.chips = hiksemi_spinand_table,
|
|
.nchips = ARRAY_SIZE(hiksemi_spinand_table),
|
|
.ops = &hiksemi_spinand_manuf_ops,
|
|
};
|