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/* This file is part of the coreboot project. */
/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <console/console.h>
#include <commonlib/helpers.h>
#include <spi_flash.h>
#include <spi-generic.h>
#include <string.h>
#include "spi_flash_internal.h"
/* M25Pxx-specific commands */
#define CMD_AT25_WREN 0x06 /* Write Enable */
#define CMD_AT25_WRDI 0x04 /* Write Disable */
#define CMD_AT25_RDSR 0x05 /* Read Status Register */
#define CMD_AT25_WRSR 0x01 /* Write Status Register */
#define CMD_AT25_READ 0x03 /* Read Data Bytes */
#define CMD_AT25_FAST_READ 0x0b /* Read Data Bytes at Higher Speed */
#define CMD_AT25_PP 0x02 /* Page Program */
#define CMD_AT25_SE 0x20 /* Sector (4K) Erase */
#define CMD_AT25_BE 0xd8 /* Block (64K) Erase */
#define CMD_AT25_CE 0xc7 /* Chip Erase */
#define CMD_AT25_DP 0xb9 /* Deep Power-down */
#define CMD_AT25_RES 0xab /* Release from DP, and Read Signature */
static const struct spi_flash_part_id flash_table[] = {
{
/* AT25X16 */
.id[0] = 0x3015,
.nr_sectors_shift = 9,
},
{
/* AT25DF32 */
.id[0] = 0x47,
.nr_sectors_shift = 10,
},
{
/* AT25X64 */
.id[0] = 0x3017,
.nr_sectors_shift = 11,
},
{
/* AT25Q16 */
.id[0] = 0x4015,
.nr_sectors_shift = 9,
},
{
/* AT25Q32 */
.id[0] = 0x4016,
.nr_sectors_shift = 10,
},
{
/* AT25Q64 */
.id[0] = 0x4017,
.nr_sectors_shift = 11,
},
{
/* AT25Q128 */
.id[0] = 0x4018,
.nr_sectors_shift = 12,
},
};
const struct spi_flash_vendor_info spi_flash_atmel_vi = {
.id = VENDOR_ID_ATMEL,
.page_size_shift = 8,
.sector_size_kib_shift = 2,
.match_id_mask[0] = 0xffff,
.ids = flash_table,
.nr_part_ids = ARRAY_SIZE(flash_table),
.desc = &spi_flash_pp_0x20_sector_desc,
};
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