/* | |
* Copyright 2008, Network Appliance Inc. | |
* Author: Jason McMullan <mcmullan <at> netapp.com> | |
* Licensed under the GPL-2 or later. | |
*/ | |
#include <common.h> | |
#include <malloc.h> | |
#include <spi_flash.h> | |
#include "spi_flash_internal.h" | |
struct winbond_spi_flash_params { | |
uint16_t id; | |
uint16_t nr_blocks; | |
const char *name; | |
}; | |
static const struct winbond_spi_flash_params winbond_spi_flash_table[] = { | |
{ | |
.id = 0x3013, | |
.nr_blocks = 8, | |
.name = "W25X40", | |
}, | |
{ | |
.id = 0x3015, | |
.nr_blocks = 32, | |
.name = "W25X16", | |
}, | |
{ | |
.id = 0x3016, | |
.nr_blocks = 64, | |
.name = "W25X32", | |
}, | |
{ | |
.id = 0x3017, | |
.nr_blocks = 128, | |
.name = "W25X64", | |
}, | |
{ | |
.id = 0x4014, | |
.nr_blocks = 16, | |
.name = "W25Q80BL", | |
}, | |
{ | |
.id = 0x4015, | |
.nr_blocks = 32, | |
.name = "W25Q16", | |
}, | |
{ | |
.id = 0x4016, | |
.nr_blocks = 64, | |
.name = "W25Q32", | |
}, | |
{ | |
.id = 0x4017, | |
.nr_blocks = 128, | |
.name = "W25Q64", | |
}, | |
{ | |
.id = 0x4018, | |
.nr_blocks = 256, | |
.name = "W25Q128", | |
}, | |
{ | |
.id = 0x5014, | |
.nr_blocks = 128, | |
.name = "W25Q80", | |
}, | |
{ | |
.id = 0x6016, | |
.nr_blocks = 512, | |
.name = "W25Q32DW", | |
}, | |
{ | |
.id = 0x6017, | |
.nr_blocks = 128, | |
.name = "W25Q64DW", | |
}, | |
}; | |
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; | |
for (i = 0; i < ARRAY_SIZE(winbond_spi_flash_table); i++) { | |
params = &winbond_spi_flash_table[i]; | |
if (params->id == ((idcode[1] << 8) | idcode[2])) | |
break; | |
} | |
if (i == ARRAY_SIZE(winbond_spi_flash_table)) { | |
debug("SF: Unsupported Winbond ID %02x%02x\n", | |
idcode[1], idcode[2]); | |
return NULL; | |
} | |
flash = spi_flash_alloc_base(spi, params->name); | |
if (!flash) { | |
debug("SF: Failed to allocate memory\n"); | |
return NULL; | |
} | |
flash->page_size = 256; | |
flash->sector_size = 4096; | |
flash->size = 4096 * 16 * params->nr_blocks; | |
return flash; | |
} |