#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 id;
u16 pages_per_sector;
u16 nr_sectors;
const char *name;
static const struct stmicro_spi_flash_params stmicro_spi_flash_table[] = {
{
- .idcode1 = 0x11,
+ .id = 0x2011,
.pages_per_sector = 128,
.nr_sectors = 4,
.name = "M25P10",
},
{
- .idcode1 = 0x15,
+ .id = 0x2015,
.pages_per_sector = 256,
.nr_sectors = 32,
.name = "M25P16",
},
{
- .idcode1 = 0x12,
+ .id = 0x2012,
.pages_per_sector = 256,
.nr_sectors = 4,
.name = "M25P20",
},
{
- .idcode1 = 0x16,
+ .id = 0x2016,
.pages_per_sector = 256,
.nr_sectors = 64,
.name = "M25P32",
},
{
- .idcode1 = 0x13,
+ .id = 0x2013,
.pages_per_sector = 256,
.nr_sectors = 8,
.name = "M25P40",
},
{
- .idcode1 = 0x17,
+ .id = 0x2017,
.pages_per_sector = 256,
.nr_sectors = 128,
.name = "M25P64",
},
{
- .idcode1 = 0x14,
+ .id = 0x2014,
.pages_per_sector = 256,
.nr_sectors = 16,
.name = "M25P80",
},
{
- .idcode1 = 0x18,
+ .id = 0x2018,
.pages_per_sector = 1024,
.nr_sectors = 64,
.name = "M25P128",
},
+ {
+ .id = 0xba16,
+ .pages_per_sector = 256,
+ .nr_sectors = 64,
+ .name = "N25Q32",
+ },
+ {
+ .id = 0xbb16,
+ .pages_per_sector = 256,
+ .nr_sectors = 64,
+ .name = "N25Q32A",
+ },
+ {
+ .id = 0xba17,
+ .pages_per_sector = 256,
+ .nr_sectors = 128,
+ .name = "N25Q064",
+ },
+ {
+ .id = 0xbb17,
+ .pages_per_sector = 256,
+ .nr_sectors = 128,
+ .name = "N25Q64A",
+ },
+ {
+ .id = 0xba18,
+ .pages_per_sector = 256,
+ .nr_sectors = 256,
+ .name = "N25Q128",
+ },
+ {
+ .id = 0xbb18,
+ .pages_per_sector = 256,
+ .nr_sectors = 256,
+ .name = "N25Q128A",
+ },
+ {
+ .id = 0xba19,
+ .pages_per_sector = 256,
+ .nr_sectors = 512,
+ .name = "N25Q256",
+ },
+ {
+ .id = 0xbb19,
+ .pages_per_sector = 256,
+ .nr_sectors = 512,
+ .name = "N25Q256A",
+ },
};
-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;
struct spi_flash *flash;
unsigned int i;
+ u16 id;
if (idcode[0] == 0xff) {
i = spi_flash_cmd(spi, CMD_M25PXX_RES,
return NULL;
}
+ id = ((idcode[1] << 8) | idcode[2]);
+
for (i = 0; i < ARRAY_SIZE(stmicro_spi_flash_table); i++) {
params = &stmicro_spi_flash_table[i];
- if (params->idcode1 == idcode[2]) {
+ if (params->id == id) {
break;
}
}
if (i == ARRAY_SIZE(stmicro_spi_flash_table)) {
- debug("SF: Unsupported STMicro ID %02x\n", idcode[1]);
+ debug("SF: Unsupported STMicro ID %04x\n", id);
return NULL;
}
- flash = malloc(sizeof(*flash));
+ flash = spi_flash_alloc_base(spi, params->name);
if (!flash) {
debug("SF: Failed to allocate memory\n");
return NULL;
}
- flash->spi = spi;
- flash->name = params->name;
-
- flash->write = spi_flash_cmd_write_multi;
- flash->erase = stmicro_erase;
- flash->read = spi_flash_cmd_read_fast;
flash->page_size = 256;
flash->sector_size = 256 * params->pages_per_sector;
flash->size = flash->sector_size * params->nr_sectors;