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-rw-r--r--drivers/mtd/spi/eon.c35
-rw-r--r--drivers/mtd/spi/macronix.c82
-rw-r--r--drivers/mtd/spi/spansion.c24
-rw-r--r--drivers/mtd/spi/spi_flash.c35
-rw-r--r--drivers/mtd/spi/spi_flash_internal.h10
-rw-r--r--drivers/mtd/spi/sst.c66
-rw-r--r--drivers/mtd/spi/stmicro.c28
-rw-r--r--drivers/mtd/spi/winbond.c55
8 files changed, 71 insertions, 264 deletions
diff --git a/drivers/mtd/spi/eon.c b/drivers/mtd/spi/eon.c
index 6a3bf0f322..691ed4efc4 100644
--- a/drivers/mtd/spi/eon.c
+++ b/drivers/mtd/spi/eon.c
@@ -10,15 +10,8 @@
#include "spi_flash_internal.h"
-/* EN25Q128-specific commands */
-#define CMD_EN25Q128_SE 0x20 /* Sector Erase */
-#define CMD_EN25Q128_BE 0xd8 /* Block Erase */
-
struct eon_spi_flash_params {
u8 idcode1;
- u16 page_size;
- u16 pages_per_sector;
- u16 sectors_per_block;
u16 nr_sectors;
const char *name;
};
@@ -26,35 +19,16 @@ struct eon_spi_flash_params {
static const struct eon_spi_flash_params eon_spi_flash_table[] = {
{
.idcode1 = 0x16,
- .page_size = 256,
- .pages_per_sector = 16,
- .sectors_per_block = 16,
.nr_sectors = 1024,
.name = "EN25Q32B",
},
{
.idcode1 = 0x18,
- .page_size = 256,
- .pages_per_sector = 16,
- .sectors_per_block = 16,
.nr_sectors = 4096,
.name = "EN25Q128",
},
- {
- .idcode1 = 0x16,
- .page_size = 256,
- .pages_per_sector = 16,
- .sectors_per_block = 16,
- .nr_sectors = 1024,
- .name = "EN25Q32B",
- },
};
-static int eon_erase(struct spi_flash *flash, u32 offset, size_t len)
-{
- return spi_flash_cmd_erase(flash, CMD_EN25Q128_BE, offset, len);
-}
-
struct spi_flash *spi_flash_probe_eon(struct spi_slave *spi, u8 *idcode)
{
const struct eon_spi_flash_params *params;
@@ -82,12 +56,11 @@ struct spi_flash *spi_flash_probe_eon(struct spi_slave *spi, u8 *idcode)
flash->name = params->name;
flash->write = spi_flash_cmd_write_multi;
- flash->erase = eon_erase;
+ flash->erase = spi_flash_cmd_erase;
flash->read = spi_flash_cmd_read_fast;
- flash->page_size = params->page_size;
- flash->sector_size = params->page_size * params->pages_per_sector
- * params->sectors_per_block;
- flash->size = params->page_size * params->pages_per_sector
+ flash->page_size = 256;
+ flash->sector_size = 256 * 16 * 16;
+ flash->size = 256 * 16
* params->nr_sectors;
return flash;
diff --git a/drivers/mtd/spi/macronix.c b/drivers/mtd/spi/macronix.c
index 87a3ad0c30..c97a39d499 100644
--- a/drivers/mtd/spi/macronix.c
+++ b/drivers/mtd/spi/macronix.c
@@ -35,16 +35,8 @@
#include "spi_flash_internal.h"
-/* MX25xx-specific commands */
-#define CMD_MX25XX_SE 0x20 /* Sector Erase */
-#define CMD_MX25XX_BE 0xD8 /* Block Erase */
-#define CMD_MX25XX_CE 0xc7 /* Chip Erase */
-
struct macronix_spi_flash_params {
u16 idcode;
- u16 page_size;
- u16 pages_per_sector;
- u16 sectors_per_block;
u16 nr_blocks;
const char *name;
};
@@ -52,106 +44,41 @@ struct macronix_spi_flash_params {
static const struct macronix_spi_flash_params macronix_spi_flash_table[] = {
{
.idcode = 0x2013,
- .page_size = 256,
- .pages_per_sector = 16,
- .sectors_per_block = 16,
.nr_blocks = 8,
.name = "MX25L4005",
},
{
.idcode = 0x2014,
- .page_size = 256,
- .pages_per_sector = 16,
- .sectors_per_block = 16,
.nr_blocks = 16,
.name = "MX25L8005",
},
{
.idcode = 0x2015,
- .page_size = 256,
- .pages_per_sector = 16,
- .sectors_per_block = 16,
.nr_blocks = 32,
.name = "MX25L1605D",
},
{
.idcode = 0x2016,
- .page_size = 256,
- .pages_per_sector = 16,
- .sectors_per_block = 16,
.nr_blocks = 64,
.name = "MX25L3205D",
},
{
.idcode = 0x2017,
- .page_size = 256,
- .pages_per_sector = 16,
- .sectors_per_block = 16,
.nr_blocks = 128,
.name = "MX25L6405D",
},
{
.idcode = 0x2018,
- .page_size = 256,
- .pages_per_sector = 16,
- .sectors_per_block = 16,
.nr_blocks = 256,
.name = "MX25L12805D",
},
{
.idcode = 0x2618,
- .page_size = 256,
- .pages_per_sector = 16,
- .sectors_per_block = 16,
.nr_blocks = 256,
.name = "MX25L12855E",
},
};
-static int macronix_write_status(struct spi_flash *flash, u8 sr)
-{
- u8 cmd;
- int ret;
-
- ret = spi_flash_cmd_write_enable(flash);
- if (ret < 0) {
- debug("SF: enabling write failed\n");
- return ret;
- }
-
- cmd = CMD_WRITE_STATUS;
- ret = spi_flash_cmd_write(flash->spi, &cmd, 1, &sr, 1);
- if (ret) {
- debug("SF: fail to write status register\n");
- return ret;
- }
-
- ret = spi_flash_cmd_wait_ready(flash, SPI_FLASH_PROG_TIMEOUT);
- if (ret < 0) {
- debug("SF: write status register timed out\n");
- return ret;
- }
-
- return 0;
-}
-
-static int macronix_unlock(struct spi_flash *flash)
-{
- int ret;
-
- /* Enable status register writing and clear BP# bits */
- ret = macronix_write_status(flash, 0);
- if (ret)
- debug("SF: fail to disable write protection\n");
-
- return ret;
-}
-
-static int macronix_erase(struct spi_flash *flash, u32 offset, size_t len)
-{
- return spi_flash_cmd_erase(flash, CMD_MX25XX_BE, offset, len);
-}
-
struct spi_flash *spi_flash_probe_macronix(struct spi_slave *spi, u8 *idcode)
{
const struct macronix_spi_flash_params *params;
@@ -180,15 +107,14 @@ struct spi_flash *spi_flash_probe_macronix(struct spi_slave *spi, u8 *idcode)
flash->name = params->name;
flash->write = spi_flash_cmd_write_multi;
- flash->erase = macronix_erase;
+ flash->erase = spi_flash_cmd_erase;
flash->read = spi_flash_cmd_read_fast;
- flash->page_size = params->page_size;
- flash->sector_size = params->page_size * params->pages_per_sector
- * params->sectors_per_block;
+ flash->page_size = 256;
+ flash->sector_size = 256 * 16 * 16;
flash->size = flash->sector_size * params->nr_blocks;
/* Clear BP# bits for read-only flash */
- macronix_unlock(flash);
+ spi_flash_cmd_write_status(flash, 0);
return flash;
}
diff --git a/drivers/mtd/spi/spansion.c b/drivers/mtd/spi/spansion.c
index 457cc06298..9a114ac6a1 100644
--- a/drivers/mtd/spi/spansion.c
+++ b/drivers/mtd/spi/spansion.c
@@ -31,14 +31,9 @@
#include "spi_flash_internal.h"
-/* S25FLxx-specific commands */
-#define CMD_S25FLXX_SE 0xd8 /* Sector Erase */
-#define CMD_S25FLXX_BE 0xc7 /* Bulk Erase */
-
struct spansion_spi_flash_params {
u16 idcode1;
u16 idcode2;
- u16 page_size;
u16 pages_per_sector;
u16 nr_sectors;
const char *name;
@@ -48,7 +43,6 @@ static const struct spansion_spi_flash_params spansion_spi_flash_table[] = {
{
.idcode1 = 0x0213,
.idcode2 = 0,
- .page_size = 256,
.pages_per_sector = 256,
.nr_sectors = 16,
.name = "S25FL008A",
@@ -56,7 +50,6 @@ static const struct spansion_spi_flash_params spansion_spi_flash_table[] = {
{
.idcode1 = 0x0214,
.idcode2 = 0,
- .page_size = 256,
.pages_per_sector = 256,
.nr_sectors = 32,
.name = "S25FL016A",
@@ -64,7 +57,6 @@ static const struct spansion_spi_flash_params spansion_spi_flash_table[] = {
{
.idcode1 = 0x0215,
.idcode2 = 0,
- .page_size = 256,
.pages_per_sector = 256,
.nr_sectors = 64,
.name = "S25FL032A",
@@ -72,7 +64,6 @@ static const struct spansion_spi_flash_params spansion_spi_flash_table[] = {
{
.idcode1 = 0x0216,
.idcode2 = 0,
- .page_size = 256,
.pages_per_sector = 256,
.nr_sectors = 128,
.name = "S25FL064A",
@@ -80,7 +71,6 @@ static const struct spansion_spi_flash_params spansion_spi_flash_table[] = {
{
.idcode1 = 0x2018,
.idcode2 = 0x0301,
- .page_size = 256,
.pages_per_sector = 256,
.nr_sectors = 256,
.name = "S25FL128P_64K",
@@ -88,7 +78,6 @@ static const struct spansion_spi_flash_params spansion_spi_flash_table[] = {
{
.idcode1 = 0x2018,
.idcode2 = 0x0300,
- .page_size = 256,
.pages_per_sector = 1024,
.nr_sectors = 64,
.name = "S25FL128P_256K",
@@ -96,7 +85,6 @@ static const struct spansion_spi_flash_params spansion_spi_flash_table[] = {
{
.idcode1 = 0x0215,
.idcode2 = 0x4d00,
- .page_size = 256,
.pages_per_sector = 256,
.nr_sectors = 64,
.name = "S25FL032P",
@@ -104,18 +92,12 @@ static const struct spansion_spi_flash_params spansion_spi_flash_table[] = {
{
.idcode1 = 0x2018,
.idcode2 = 0x4d01,
- .page_size = 256,
.pages_per_sector = 256,
.nr_sectors = 256,
.name = "S25FL129P_64K",
},
};
-static int spansion_erase(struct spi_flash *flash, u32 offset, size_t len)
-{
- return spi_flash_cmd_erase(flash, CMD_S25FLXX_SE, offset, len);
-}
-
struct spi_flash *spi_flash_probe_spansion(struct spi_slave *spi, u8 *idcode)
{
const struct spansion_spi_flash_params *params;
@@ -149,10 +131,10 @@ struct spi_flash *spi_flash_probe_spansion(struct spi_slave *spi, u8 *idcode)
flash->name = params->name;
flash->write = spi_flash_cmd_write_multi;
- flash->erase = spansion_erase;
+ flash->erase = spi_flash_cmd_erase;
flash->read = spi_flash_cmd_read_fast;
- flash->page_size = params->page_size;
- flash->sector_size = params->page_size * params->pages_per_sector;
+ flash->page_size = 256;
+ flash->sector_size = 256 * params->pages_per_sector;
flash->size = flash->sector_size * params->nr_sectors;
return flash;
diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c
index f689cc47cf..00aece9291 100644
--- a/drivers/mtd/spi/spi_flash.c
+++ b/drivers/mtd/spi/spi_flash.c
@@ -190,8 +190,7 @@ int spi_flash_cmd_wait_ready(struct spi_flash *flash, unsigned long timeout)
CMD_READ_STATUS, STATUS_WIP);
}
-int spi_flash_cmd_erase(struct spi_flash *flash, u8 erase_cmd,
- u32 offset, size_t len)
+int spi_flash_cmd_erase(struct spi_flash *flash, u32 offset, size_t len)
{
u32 start, end, erase_size;
int ret;
@@ -209,7 +208,10 @@ int spi_flash_cmd_erase(struct spi_flash *flash, u8 erase_cmd,
return ret;
}
- cmd[0] = erase_cmd;
+ if (erase_size == 4096)
+ cmd[0] = CMD_ERASE_4K;
+ else
+ cmd[0] = CMD_ERASE_64K;
start = offset;
end = start + len;
@@ -240,6 +242,33 @@ int spi_flash_cmd_erase(struct spi_flash *flash, u8 erase_cmd,
return ret;
}
+int spi_flash_cmd_write_status(struct spi_flash *flash, u8 sr)
+{
+ u8 cmd;
+ int ret;
+
+ ret = spi_flash_cmd_write_enable(flash);
+ if (ret < 0) {
+ debug("SF: enabling write failed\n");
+ return ret;
+ }
+
+ cmd = CMD_WRITE_STATUS;
+ ret = spi_flash_cmd_write(flash->spi, &cmd, 1, &sr, 1);
+ if (ret) {
+ debug("SF: fail to write status register\n");
+ return ret;
+ }
+
+ ret = spi_flash_cmd_wait_ready(flash, SPI_FLASH_PROG_TIMEOUT);
+ if (ret < 0) {
+ debug("SF: write status register timed out\n");
+ return ret;
+ }
+
+ return 0;
+}
+
/*
* The following table holds all device probe functions
*
diff --git a/drivers/mtd/spi/spi_flash_internal.h b/drivers/mtd/spi/spi_flash_internal.h
index 0c78249791..141cfa8b26 100644
--- a/drivers/mtd/spi/spi_flash_internal.h
+++ b/drivers/mtd/spi/spi_flash_internal.h
@@ -23,6 +23,10 @@
#define CMD_WRITE_DISABLE 0x04
#define CMD_READ_STATUS 0x05
#define CMD_WRITE_ENABLE 0x06
+#define CMD_ERASE_4K 0x20
+#define CMD_ERASE_32K 0x52
+#define CMD_ERASE_64K 0xd8
+#define CMD_ERASE_CHIP 0xc7
/* Common status */
#define STATUS_WIP 0x01
@@ -70,6 +74,9 @@ static inline int spi_flash_cmd_write_disable(struct spi_flash *flash)
return spi_flash_cmd(flash->spi, CMD_WRITE_DISABLE, NULL, 0);
}
+/* Program the status register. */
+int spi_flash_cmd_write_status(struct spi_flash *flash, u8 sr);
+
/*
* Same as spi_flash_cmd_read() except it also claims/releases the SPI
* bus. Used as common part of the ->read() operation.
@@ -88,8 +95,7 @@ int spi_flash_cmd_poll_bit(struct spi_flash *flash, unsigned long timeout,
int spi_flash_cmd_wait_ready(struct spi_flash *flash, unsigned long timeout);
/* Erase sectors. */
-int spi_flash_cmd_erase(struct spi_flash *flash, u8 erase_cmd,
- u32 offset, size_t len);
+int spi_flash_cmd_erase(struct spi_flash *flash, u32 offset, size_t len);
/* Manufacturer-specific probe functions */
struct spi_flash *spi_flash_probe_spansion(struct spi_slave *spi, u8 *idcode);
diff --git a/drivers/mtd/spi/sst.c b/drivers/mtd/spi/sst.c
index e51dfc7f29..ced4f2473f 100644
--- a/drivers/mtd/spi/sst.c
+++ b/drivers/mtd/spi/sst.c
@@ -20,7 +20,6 @@
#define CMD_SST_BP 0x02 /* Byte Program */
#define CMD_SST_AAI_WP 0xAD /* Auto Address Increment Word Program */
-#define CMD_SST_SE 0x20 /* Sector Erase */
#define SST_SR_WIP (1 << 0) /* Write-in-Progress */
#define SST_SR_WEL (1 << 1) /* Write enable */
@@ -45,13 +44,6 @@ struct sst_spi_flash {
const struct sst_spi_flash_params *params;
};
-static inline struct sst_spi_flash *to_sst_spi_flash(struct spi_flash *flash)
-{
- return container_of(flash, struct sst_spi_flash, flash);
-}
-
-#define SST_SECTOR_SIZE (4 * 1024)
-#define SST_PAGE_SIZE 256
static const struct sst_spi_flash_params sst_spi_flash_table[] = {
{
.idcode1 = 0x8d,
@@ -102,24 +94,6 @@ static const struct sst_spi_flash_params sst_spi_flash_table[] = {
};
static int
-sst_enable_writing(struct spi_flash *flash)
-{
- int ret = spi_flash_cmd_write_enable(flash);
- if (ret)
- debug("SF: Enabling Write failed\n");
- return ret;
-}
-
-static int
-sst_disable_writing(struct spi_flash *flash)
-{
- int ret = spi_flash_cmd_write_disable(flash);
- if (ret)
- debug("SF: Disabling Write failed\n");
- return ret;
-}
-
-static int
sst_byte_write(struct spi_flash *flash, u32 offset, const void *buf)
{
int ret;
@@ -133,7 +107,7 @@ sst_byte_write(struct spi_flash *flash, u32 offset, const void *buf)
debug("BP[%02x]: 0x%p => cmd = { 0x%02x 0x%06x }\n",
spi_w8r8(flash->spi, CMD_READ_STATUS), buf, cmd[0], offset);
- ret = sst_enable_writing(flash);
+ ret = spi_flash_cmd_write_enable(flash);
if (ret)
return ret;
@@ -166,7 +140,7 @@ sst_write_wp(struct spi_flash *flash, u32 offset, size_t len, const void *buf)
}
offset += actual;
- ret = sst_enable_writing(flash);
+ ret = spi_flash_cmd_write_enable(flash);
if (ret)
goto done;
@@ -197,7 +171,7 @@ sst_write_wp(struct spi_flash *flash, u32 offset, size_t len, const void *buf)
}
if (!ret)
- ret = sst_disable_writing(flash);
+ ret = spi_flash_cmd_write_disable(flash);
/* If there is a single trailing byte, write it out */
if (!ret && actual != len)
@@ -211,32 +185,6 @@ sst_write_wp(struct spi_flash *flash, u32 offset, size_t len, const void *buf)
return ret;
}
-static int sst_erase(struct spi_flash *flash, u32 offset, size_t len)
-{
- return spi_flash_cmd_erase(flash, CMD_SST_SE, offset, len);
-}
-
-static int
-sst_unlock(struct spi_flash *flash)
-{
- int ret;
- u8 cmd, status;
-
- ret = sst_enable_writing(flash);
- if (ret)
- return ret;
-
- cmd = CMD_WRITE_STATUS;
- status = 0;
- ret = spi_flash_cmd_write(flash->spi, &cmd, 1, &status, 1);
- if (ret)
- debug("SF: Unable to set status byte\n");
-
- debug("SF: sst: status = %x\n", spi_w8r8(flash->spi, CMD_READ_STATUS));
-
- return ret;
-}
-
struct spi_flash *
spi_flash_probe_sst(struct spi_slave *spi, u8 *idcode)
{
@@ -269,14 +217,14 @@ spi_flash_probe_sst(struct spi_slave *spi, u8 *idcode)
stm->flash.write = sst_write_wp;
else
stm->flash.write = spi_flash_cmd_write_multi;
- stm->flash.erase = sst_erase;
+ stm->flash.erase = spi_flash_cmd_erase;
stm->flash.read = spi_flash_cmd_read_fast;
- stm->flash.page_size = SST_PAGE_SIZE;
- stm->flash.sector_size = SST_SECTOR_SIZE;
+ stm->flash.page_size = 256;
+ stm->flash.sector_size = 4096;
stm->flash.size = stm->flash.sector_size * params->nr_sectors;
/* Flash powers up read-only, so clear BP# bits */
- sst_unlock(&stm->flash);
+ spi_flash_cmd_write_status(&stm->flash, 0);
return &stm->flash;
}
diff --git a/drivers/mtd/spi/stmicro.c b/drivers/mtd/spi/stmicro.c
index 5b684792de..dbd1fc1854 100644
--- a/drivers/mtd/spi/stmicro.c
+++ b/drivers/mtd/spi/stmicro.c
@@ -34,13 +34,10 @@
#include "spi_flash_internal.h"
/* M25Pxx-specific commands */
-#define CMD_M25PXX_SE 0xd8 /* Sector Erase */
-#define CMD_M25PXX_BE 0xc7 /* Bulk Erase */
#define CMD_M25PXX_RES 0xab /* Release from DP, and Read Signature */
struct stmicro_spi_flash_params {
u8 idcode1;
- u16 page_size;
u16 pages_per_sector;
u16 nr_sectors;
const char *name;
@@ -49,67 +46,60 @@ struct stmicro_spi_flash_params {
static const struct stmicro_spi_flash_params stmicro_spi_flash_table[] = {
{
.idcode1 = 0x11,
- .page_size = 256,
.pages_per_sector = 128,
.nr_sectors = 4,
.name = "M25P10",
},
{
.idcode1 = 0x15,
- .page_size = 256,
.pages_per_sector = 256,
.nr_sectors = 32,
.name = "M25P16",
},
{
.idcode1 = 0x12,
- .page_size = 256,
.pages_per_sector = 256,
.nr_sectors = 4,
.name = "M25P20",
},
{
.idcode1 = 0x16,
- .page_size = 256,
.pages_per_sector = 256,
.nr_sectors = 64,
.name = "M25P32",
},
{
.idcode1 = 0x13,
- .page_size = 256,
.pages_per_sector = 256,
.nr_sectors = 8,
.name = "M25P40",
},
{
.idcode1 = 0x17,
- .page_size = 256,
.pages_per_sector = 256,
.nr_sectors = 128,
.name = "M25P64",
},
{
.idcode1 = 0x14,
- .page_size = 256,
.pages_per_sector = 256,
.nr_sectors = 16,
.name = "M25P80",
},
{
.idcode1 = 0x18,
- .page_size = 256,
.pages_per_sector = 1024,
.nr_sectors = 64,
.name = "M25P128",
},
+ {
+ .idcode1 = 0x19,
+ .pages_per_sector = 256,
+ .nr_sectors = 512,
+ .name = "N25Q256",
+ },
};
-static int stmicro_erase(struct spi_flash *flash, u32 offset, size_t len)
-{
- return spi_flash_cmd_erase(flash, CMD_M25PXX_SE, offset, len);
-}
-
struct spi_flash *spi_flash_probe_stmicro(struct spi_slave *spi, u8 * idcode)
{
const struct stmicro_spi_flash_params *params;
@@ -151,10 +141,10 @@ struct spi_flash *spi_flash_probe_stmicro(struct spi_slave *spi, u8 * idcode)
flash->name = params->name;
flash->write = spi_flash_cmd_write_multi;
- flash->erase = stmicro_erase;
+ flash->erase = spi_flash_cmd_erase;
flash->read = spi_flash_cmd_read_fast;
- flash->page_size = params->page_size;
- flash->sector_size = params->page_size * params->pages_per_sector;
+ flash->page_size = 256;
+ flash->sector_size = 256 * params->pages_per_sector;
flash->size = flash->sector_size * params->nr_sectors;
return flash;
diff --git a/drivers/mtd/spi/winbond.c b/drivers/mtd/spi/winbond.c
index 0e126f40c5..427b71fcdc 100644
--- a/drivers/mtd/spi/winbond.c
+++ b/drivers/mtd/spi/winbond.c
@@ -10,17 +10,8 @@
#include "spi_flash_internal.h"
-/* M25Pxx-specific commands */
-#define CMD_W25_SE 0x20 /* Sector (4K) Erase */
-#define CMD_W25_BE 0xd8 /* Block (64K) Erase */
-#define CMD_W25_CE 0xc7 /* Chip Erase */
-
struct winbond_spi_flash_params {
uint16_t id;
- /* Log2 of page size in power-of-two mode */
- uint8_t l2_page_size;
- uint16_t pages_per_sector;
- uint16_t sectors_per_block;
uint16_t nr_blocks;
const char *name;
};
@@ -28,89 +19,56 @@ struct winbond_spi_flash_params {
static const struct winbond_spi_flash_params winbond_spi_flash_table[] = {
{
.id = 0x3013,
- .l2_page_size = 8,
- .pages_per_sector = 16,
- .sectors_per_block = 16,
.nr_blocks = 8,
.name = "W25X40",
},
{
.id = 0x3015,
- .l2_page_size = 8,
- .pages_per_sector = 16,
- .sectors_per_block = 16,
.nr_blocks = 32,
.name = "W25X16",
},
{
.id = 0x3016,
- .l2_page_size = 8,
- .pages_per_sector = 16,
- .sectors_per_block = 16,
.nr_blocks = 64,
.name = "W25X32",
},
{
.id = 0x3017,
- .l2_page_size = 8,
- .pages_per_sector = 16,
- .sectors_per_block = 16,
.nr_blocks = 128,
.name = "W25X64",
},
{
.id = 0x4014,
- .l2_page_size = 8,
- .pages_per_sector = 16,
- .sectors_per_block = 16,
.nr_blocks = 16,
.name = "W25Q80BL",
},
{
.id = 0x4015,
- .l2_page_size = 8,
- .pages_per_sector = 16,
- .sectors_per_block = 16,
.nr_blocks = 32,
.name = "W25Q16",
},
{
.id = 0x4016,
- .l2_page_size = 8,
- .pages_per_sector = 16,
- .sectors_per_block = 16,
.nr_blocks = 64,
.name = "W25Q32",
},
{
.id = 0x4017,
- .l2_page_size = 8,
- .pages_per_sector = 16,
- .sectors_per_block = 16,
.nr_blocks = 128,
.name = "W25Q64",
},
{
.id = 0x4018,
- .l2_page_size = 8,
- .pages_per_sector = 16,
- .sectors_per_block = 16,
.nr_blocks = 256,
.name = "W25Q128",
},
};
-static int winbond_erase(struct spi_flash *flash, u32 offset, size_t len)
-{
- return spi_flash_cmd_erase(flash, CMD_W25_SE, offset, len);
-}
-
struct spi_flash *spi_flash_probe_winbond(struct spi_slave *spi, u8 *idcode)
{
const struct winbond_spi_flash_params *params;
struct spi_flash *flash;
unsigned int i;
- unsigned page_size;
for (i = 0; i < ARRAY_SIZE(winbond_spi_flash_table); i++) {
params = &winbond_spi_flash_table[i];
@@ -133,17 +91,12 @@ struct spi_flash *spi_flash_probe_winbond(struct spi_slave *spi, u8 *idcode)
flash->spi = spi;
flash->name = params->name;
- /* Assuming power-of-two page size initially. */
- page_size = 1 << params->l2_page_size;
-
flash->write = spi_flash_cmd_write_multi;
- flash->erase = winbond_erase;
+ flash->erase = spi_flash_cmd_erase;
flash->read = spi_flash_cmd_read_fast;
- flash->page_size = page_size;
- flash->sector_size = page_size * params->pages_per_sector;
- flash->size = page_size * params->pages_per_sector
- * params->sectors_per_block
- * params->nr_blocks;
+ flash->page_size = 4096;
+ flash->sector_size = 4096;
+ flash->size = 4096 * 16 * params->nr_blocks;
return flash;
}
generated by cgit (git 2.34.1) at 2025-01-28 10:24:38 +0000