drivers/mtd/nand/spi/winbond.c:185:2: warning: braces around scalar initializer
185 | SPINAND_INFO("W25N02KV", /* 3.3V */
| ^~~~~~~~~~~~
drivers/mtd/nand/spi/winbond.c:185:2: note: (near initialization for ‘winbond_spinand_table[1].devid’)
In file included from drivers/mtd/nand/spi/winbond.c:16:
include/linux/mtd/spinand.h:301:3: error: field name not in record or union initializer
301 | .id = (const u8[]){ __VA_ARGS__ }, \
| ^
include/linux/mtd/spinand.h:326:12: note: in definition of macro ‘SPINAND_INFO’
326 | .devid = __id, \
| ^~~~
drivers/mtd/nand/spi/winbond.c:186:8: note: in expansion of macro ‘SPINAND_ID’
186 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xaa, 0x22),
| ^~~~~~~~~~
include/linux/mtd/spinand.h:301:3: note: (near initialization for ‘winbond_spinand_table[1].devid’)
301 | .id = (const u8[]){ __VA_ARGS__ }, \
| ^
include/linux/mtd/spinand.h:326:12: note: in definition of macro ‘SPINAND_INFO’
326 | .devid = __id, \
| ^~~~
drivers/mtd/nand/spi/winbond.c:186:8: note: in expansion of macro ‘SPINAND_ID’
186 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xaa, 0x22),
| ^~~~~~~~~~
include/linux/mtd/spinand.h:301:9: warning: initialization of ‘u8’ {aka ‘unsigned char’} from ‘const u8 *’ {aka ‘const unsigned char *’} makes integer from pointer without a cast [-Wint-conversion]
301 | .id = (const u8[]){ __VA_ARGS__ }, \
| ^
include/linux/mtd/spinand.h:326:12: note: in definition of macro ‘SPINAND_INFO’
326 | .devid = __id, \
| ^~~~
drivers/mtd/nand/spi/winbond.c:186:8: note: in expansion of macro ‘SPINAND_ID’
186 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xaa, 0x22),
| ^~~~~~~~~~
include/linux/mtd/spinand.h:301:9: note: (near initialization for ‘winbond_spinand_table[1].devid’)
301 | .id = (const u8[]){ __VA_ARGS__ }, \
| ^
include/linux/mtd/spinand.h:326:12: note: in definition of macro ‘SPINAND_INFO’
326 | .devid = __id, \
| ^~~~
drivers/mtd/nand/spi/winbond.c:186:8: note: in expansion of macro ‘SPINAND_ID’
186 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xaa, 0x22),
| ^~~~~~~~~~
include/linux/mtd/spinand.h:301:9: error: initializer element is not computable at load time
301 | .id = (const u8[]){ __VA_ARGS__ }, \
| ^
include/linux/mtd/spinand.h:326:12: note: in definition of macro ‘SPINAND_INFO’
326 | .devid = __id, \
| ^~~~
drivers/mtd/nand/spi/winbond.c:186:8: note: in expansion of macro ‘SPINAND_ID’
186 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xaa, 0x22),
| ^~~~~~~~~~
include/linux/mtd/spinand.h:301:9: note: (near initialization for ‘winbond_spinand_table[1].devid’)
301 | .id = (const u8[]){ __VA_ARGS__ }, \
| ^
include/linux/mtd/spinand.h:326:12: note: in definition of macro ‘SPINAND_INFO’
326 | .devid = __id, \
| ^~~~
drivers/mtd/nand/spi/winbond.c:186:8: note: in expansion of macro ‘SPINAND_ID’
186 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xaa, 0x22),
| ^~~~~~~~~~
include/linux/mtd/spinand.h:302:3: error: field name not in record or union initializer
302 | .len = sizeof((u8[]){ __VA_ARGS__ }), \
| ^
include/linux/mtd/spinand.h:326:12: note: in definition of macro ‘SPINAND_INFO’
326 | .devid = __id, \
| ^~~~
drivers/mtd/nand/spi/winbond.c:186:8: note: in expansion of macro ‘SPINAND_ID’
186 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xaa, 0x22),
| ^~~~~~~~~~
include/linux/mtd/spinand.h:302:3: note: (near initialization for ‘winbond_spinand_table[1].devid’)
302 | .len = sizeof((u8[]){ __VA_ARGS__ }), \
| ^
include/linux/mtd/spinand.h:326:12: note: in definition of macro ‘SPINAND_INFO’
326 | .devid = __id, \
| ^~~~
drivers/mtd/nand/spi/winbond.c:186:8: note: in expansion of macro ‘SPINAND_ID’
186 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xaa, 0x22),
| ^~~~~~~~~~
include/linux/mtd/spinand.h:302:10: warning: excess elements in scalar initializer
302 | .len = sizeof((u8[]){ __VA_ARGS__ }), \
| ^~~~~~
include/linux/mtd/spinand.h:326:12: note: in definition of macro ‘SPINAND_INFO’
326 | .devid = __id, \
| ^~~~
drivers/mtd/nand/spi/winbond.c:186:8: note: in expansion of macro ‘SPINAND_ID’
186 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xaa, 0x22),
| ^~~~~~~~~~
include/linux/mtd/spinand.h:302:10: note: (near initialization for ‘winbond_spinand_table[1].devid’)
302 | .len = sizeof((u8[]){ __VA_ARGS__ }), \
| ^~~~~~
include/linux/mtd/spinand.h:326:12: note: in definition of macro ‘SPINAND_INFO’
326 | .devid = __id, \
| ^~~~
drivers/mtd/nand/spi/winbond.c:186:8: note: in expansion of macro ‘SPINAND_ID’
186 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xaa, 0x22),
| ^~~~~~~~~~
include/linux/mtd/spinand.h:303:3: error: field name not in record or union initializer
303 | .method = __method, \
| ^
include/linux/mtd/spinand.h:326:12: note: in definition of macro ‘SPINAND_INFO’
326 | .devid = __id, \
| ^~~~
drivers/mtd/nand/spi/winbond.c:186:8: note: in expansion of macro ‘SPINAND_ID’
186 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xaa, 0x22),
| ^~~~~~~~~~
include/linux/mtd/spinand.h:303:3: note: (near initialization for ‘winbond_spinand_table[1].devid’)
303 | .method = __method, \
| ^
include/linux/mtd/spinand.h:326:12: note: in definition of macro ‘SPINAND_INFO’
326 | .devid = __id, \
| ^~~~
drivers/mtd/nand/spi/winbond.c:186:8: note: in expansion of macro ‘SPINAND_ID’
186 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xaa, 0x22),
| ^~~~~~~~~~
drivers/mtd/nand/spi/winbond.c:186:19: warning: excess elements in scalar initializer
186 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xaa, 0x22),
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mtd/spinand.h:326:12: note: in definition of macro ‘SPINAND_INFO’
326 | .devid = __id, \
| ^~~~
drivers/mtd/nand/spi/winbond.c:186:8: note: in expansion of macro ‘SPINAND_ID’
186 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xaa, 0x22),
| ^~~~~~~~~~
drivers/mtd/nand/spi/winbond.c:186:19: note: (near initialization for ‘winbond_spinand_table[1].devid’)
186 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xaa, 0x22),
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mtd/spinand.h:326:12: note: in definition of macro ‘SPINAND_INFO’
326 | .devid = __id, \
| ^~~~
drivers/mtd/nand/spi/winbond.c:186:8: note: in expansion of macro ‘SPINAND_ID’
186 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xaa, 0x22),
| ^~~~~~~~~~
CC drivers/net/netfactory/umdk/lsw/source/sal/sal_log.o
make[5]: *** [scripts/Makefile.build:257: drivers/mtd/nand/spi/winbond.o] Error 1
make[5]: *** Waiting for unfinished jobs....
代码：
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2017 exceet electronics GmbH
*
* Authors:
* Frieder Schrempf <frieder.schrempf@exceet.de>
* Boris Brezillon <boris.brezillon@bootlin.com>
*/
#ifndef __UBOOT__
#include <malloc.h>
#include <linux/device.h>
#include <linux/kernel.h>
#endif
#include <linux/bitops.h>
#include <linux/mtd/spinand.h>
#include <linux/bitfield.h>
#include <linux/bug.h>
#include <linux/delay.h>
#define HZ_PER_MHZ 1000000UL
#define SPINAND_MFR_WINBOND 0xEF
#define WINBOND_CFG_BUF_READ BIT(3)
#define W25N04KV_STATUS_ECC_5_8_BITFLIPS (3 << 4)
#define W25N0XJW_SR4 0xD0
#define W25N0XJW_SR4_HS BIT(2)
#define W35N01JW_VCR_IO_MODE 0x00
#define W35N01JW_VCR_IO_MODE_SINGLE_SDR 0xFF
#define W35N01JW_VCR_IO_MODE_OCTAL_SDR 0xDF
#define W35N01JW_VCR_IO_MODE_OCTAL_DDR_DS 0xE7
#define W35N01JW_VCR_IO_MODE_OCTAL_DDR 0xC7
#define W35N01JW_VCR_DUMMY_CLOCK_REG 0x01
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 w25m02gv_ooblayout_ecc(struct mtd_info *mtd, int section,
struct mtd_oob_region *region)
{
if (section > 3)
return -ERANGE;
region->offset = (16 * section) + 8;
region->length = 8;
return 0;
}
static int w25m02gv_ooblayout_free(struct mtd_info *mtd, int section,
struct mtd_oob_region *region)
{
if (section > 3)
return -ERANGE;
region->offset = (16 * section) + 2;
region->length = 6;
return 0;
}
static const struct mtd_ooblayout_ops w25m02gv_ooblayout = {
.ecc = w25m02gv_ooblayout_ecc,
.rfree = w25m02gv_ooblayout_free,
};
static int w25m02gv_select_target(struct spinand_device *spinand,
unsigned int target)
{
struct spi_mem_op op = SPI_MEM_OP(SPI_MEM_OP_CMD(0xc2, 1),
SPI_MEM_OP_NO_ADDR,
SPI_MEM_OP_NO_DUMMY,
SPI_MEM_OP_DATA_OUT(1,
spinand->scratchbuf,
1));
*spinand->scratchbuf = target;
return spi_mem_exec_op(spinand->slave, &op);
}
static int w25n02kv_ooblayout_ecc(struct mtd_info *mtd, int section,
struct mtd_oob_region *region)
{
if (section > 3)
return -ERANGE;
region->offset = 64 + (16 * section);
region->length = 13;
return 0;
}
static int w25n02kv_ooblayout_free(struct mtd_info *mtd, int section,
struct mtd_oob_region *region)
{
if (section > 3)
return -ERANGE;
region->offset = (16 * section) + 2;
region->length = 14;
return 0;
}
static const struct mtd_ooblayout_ops w25n02kv_ooblayout = {
.ecc = w25n02kv_ooblayout_ecc,
.rfree = w25n02kv_ooblayout_free,
};
static int w25n02kv_ecc_get_status(struct spinand_device *spinand,
u8 status)
{
struct nand_device *nand = spinand_to_nand(spinand);
u8 mbf = 0;
struct spi_mem_op op = SPINAND_GET_FEATURE_1S_1S_1S_OP(0x30, spinand->scratchbuf);
switch (status & STATUS_ECC_MASK) {
case STATUS_ECC_NO_BITFLIPS:
return 0;
case STATUS_ECC_UNCOR_ERROR:
return -EBADMSG;
case STATUS_ECC_HAS_BITFLIPS:
case W25N04KV_STATUS_ECC_5_8_BITFLIPS:
/*
* Let's try to retrieve the real maximum number of bitflips
* in order to avoid forcing the wear-leveling layer to move
* data around if it's not necessary.
*/
if (spi_mem_exec_op(spinand->slave, &op))
return nand->eccreq.strength;
mbf = *(spinand->scratchbuf) >> 4;
if (WARN_ON(mbf > nand->eccreq.strength || !mbf))
return nand->eccreq.strength;
return mbf;
default:
break;
}
return -EINVAL;
}
static const struct spinand_info winbond_spinand_table[] = {
SPINAND_INFO("W25M02GV", 0xAB,
NAND_MEMORG(1, 2048, 64, 64, 1024, 1, 1, 2),
NAND_ECCREQ(1, 512),
SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
&write_cache_variants,
&update_cache_variants),
0,
SPINAND_ECCINFO(&w25m02gv_ooblayout, NULL),
SPINAND_SELECT_TARGET(w25m02gv_select_target)),
/*
SPINAND_INFO("W25N01GV", 0xAA,
NAND_MEMORG(1, 2048, 64, 64, 1024, 1, 1, 1),
NAND_ECCREQ(1, 512),
SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
&write_cache_variants,
&update_cache_variants),
0,
SPINAND_ECCINFO(&w25m02gv_ooblayout, NULL)),
*/
SPINAND_INFO("W25N02KV", /* 3.3V */
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xaa, 0x22),
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),
0,
SPINAND_ECCINFO(&w25n02kv_ooblayout, w25n02kv_ecc_get_status)),
};
static int winbond_spinand_init(struct spinand_device *spinand)
{
struct nand_device *nand = spinand_to_nand(spinand);
unsigned int i;
/*
* Make sure all dies are in buffer read mode and not continuous read
* mode.
*/
for (i = 0; i < nand->memorg.ntargets; i++) {
spinand_select_target(spinand, i);
spinand_upd_cfg(spinand, WINBOND_CFG_BUF_READ,
WINBOND_CFG_BUF_READ);
}
return 0;
}
static const struct spinand_manufacturer_ops winbond_spinand_manuf_ops = {
.init = winbond_spinand_init,
};
const struct spinand_manufacturer winbond_spinand_manufacturer = {
.id = SPINAND_MFR_WINBOND,
.name = "Winbond",
.chips = winbond_spinand_table,
.nchips = ARRAY_SIZE(winbond_spinand_table),
.ops = &winbond_spinand_manuf_ops,
};
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