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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"
/* MX25xx-specific commands */
#define CMD_MX25XX_WREN 0x06 /* Write Enable */
#define CMD_MX25XX_WRDI 0x04 /* Write Disable */
#define CMD_MX25XX_RDSR 0x05 /* Read Status Register */
#define CMD_MX25XX_WRSR 0x01 /* Write Status Register */
#define CMD_MX25XX_READ 0x03 /* Read Data Bytes */
#define CMD_MX25XX_FAST_READ 0x0b /* Read Data Bytes at Higher Speed */
#define CMD_MX25XX_PP 0x02 /* Page Program */
#define CMD_MX25XX_SE 0x20 /* Sector Erase */
#define CMD_MX25XX_BE 0xD8 /* Block Erase */
#define CMD_MX25XX_CE 0xc7 /* Chip Erase */
#define CMD_MX25XX_DP 0xb9 /* Deep Power-down */
#define CMD_MX25XX_RES 0xab /* Release from DP, and Read Signature */
#define MACRONIX_SR_WIP (1 << 0) /* Write-in-Progress */
struct macronix_spi_flash_params {
u16 idcode;
u16 page_size;
u16 pages_per_sector;
u16 sectors_per_block;
u16 nr_blocks;
const char *name;
};
static const struct macronix_spi_flash_params macronix_spi_flash_table[] = {
{
.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 = 0x2019,
.page_size = 256,
.pages_per_sector = 16,
.sectors_per_block = 16,
.nr_blocks = 512,
.name = "MX25L25635F",
},
{
.idcode = 0x201a,
.page_size = 256,
.pages_per_sector = 16,
.sectors_per_block = 16,
.nr_blocks = 1024,
.name = "MX66L51235F",
},
{
.idcode = 0x2415,
.page_size = 256,
.pages_per_sector = 16,
.sectors_per_block = 16,
.nr_blocks = 32,
.name = "MX25L1635D",
},
{
.idcode = 0x2515,
.page_size = 256,
.pages_per_sector = 16,
.sectors_per_block = 16,
.nr_blocks = 32,
.name = "MX25L1635E",
},
{
.idcode = 0x2534,
.page_size = 256,
.pages_per_sector = 16,
.sectors_per_block = 16,
.nr_blocks = 16,
.name = "MX25U8032E",
},
{
.idcode = 0x2535,
.page_size = 256,
.pages_per_sector = 16,
.sectors_per_block = 16,
.nr_blocks = 32,
.name = "MX25U1635E",
},
{
.idcode = 0x2536,
.page_size = 256,
.pages_per_sector = 16,
.sectors_per_block = 16,
.nr_blocks = 64,
.name = "MX25U3235E",
},
{
.idcode = 0x2537,
.page_size = 256,
.pages_per_sector = 16,
.sectors_per_block = 16,
.nr_blocks = 128,
.name = "MX25U6435F",
},
{
.idcode = 0x2538,
.page_size = 256,
.pages_per_sector = 16,
.sectors_per_block = 16,
.nr_blocks = 256,
.name = "MX25U12835F",
},
{
.idcode = 0x2539,
.page_size = 256,
.pages_per_sector = 16,
.sectors_per_block = 16,
.nr_blocks = 512,
.name = "MX25U25635F",
},
{
.idcode = 0x253a,
.page_size = 256,
.pages_per_sector = 16,
.sectors_per_block = 16,
.nr_blocks = 1024,
.name = "MX25U51245G",
},
{
.idcode = 0x2618,
.page_size = 256,
.pages_per_sector = 16,
.sectors_per_block = 16,
.nr_blocks = 256,
.name = "MX25L12855E",
},
{
.idcode = 0x5e16,
.page_size = 256,
.pages_per_sector = 16,
.sectors_per_block = 16,
.nr_blocks = 64,
.name = "MX25L3235D", /* MX25L3225D/MX25L3236D/MX25L3237D */
},
{
.idcode = 0x9517,
.page_size = 256,
.pages_per_sector = 16,
.sectors_per_block = 16,
.nr_blocks = 128,
.name = "MX25L6495F",
},
};
static const struct spi_flash_ops spi_flash_ops = {
.write = spi_flash_cmd_write_page_program,
.erase = spi_flash_cmd_erase,
.status = spi_flash_cmd_status,
};
int spi_flash_probe_macronix(const struct spi_slave *spi, u8 *idcode,
struct spi_flash *flash)
{
const struct macronix_spi_flash_params *params;
unsigned int i;
u16 id = idcode[2] | idcode[1] << 8;
for (i = 0; i < ARRAY_SIZE(macronix_spi_flash_table); i++) {
params = ¯onix_spi_flash_table[i];
if (params->idcode == id)
break;
}
if (i == ARRAY_SIZE(macronix_spi_flash_table)) {
printk(BIOS_WARNING, "SF: Unsupported Macronix ID %04x\n", id);
return -1;
}
memcpy(&flash->spi, spi, sizeof(*spi));
flash->name = params->name;
flash->page_size = params->page_size;
flash->sector_size = params->page_size * params->pages_per_sector;
flash->size = flash->sector_size * params->sectors_per_block *
params->nr_blocks;
flash->erase_cmd = CMD_MX25XX_SE;
flash->status_cmd = CMD_MX25XX_RDSR;
flash->pp_cmd = CMD_MX25XX_PP;
flash->wren_cmd = CMD_MX25XX_WREN;
flash->ops = &spi_flash_ops;
return 0;
}
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