* Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
* TsiChung Liew (Tsi-Chung.Liew@freescale.com)
*
- * See file CREDITS for list of people who contributed to this
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include "spi_flash_internal.h"
/* M25Pxx-specific commands */
-#define CMD_M25PXX_WREN 0x06 /* Write Enable */
-#define CMD_M25PXX_WRDI 0x04 /* Write Disable */
-#define CMD_M25PXX_RDSR 0x05 /* Read Status Register */
-#define CMD_M25PXX_WRSR 0x01 /* Write Status Register */
-#define CMD_M25PXX_READ 0x03 /* Read Data Bytes */
-#define CMD_M25PXX_FAST_READ 0x0b /* Read Data Bytes at Higher Speed */
-#define CMD_M25PXX_PP 0x02 /* Page Program */
-#define CMD_M25PXX_SE 0xd8 /* Sector Erase */
-#define CMD_M25PXX_BE 0xc7 /* Bulk Erase */
-#define CMD_M25PXX_DP 0xb9 /* Deep Power-down */
#define CMD_M25PXX_RES 0xab /* Release from DP, and Read Signature */
struct stmicro_spi_flash_params {
- u8 idcode1;
- u16 page_size;
+ 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,
- .page_size = 256,
+ .id = 0x2011,
.pages_per_sector = 128,
.nr_sectors = 4,
.name = "M25P10",
},
{
- .idcode1 = 0x15,
- .page_size = 256,
+ .id = 0x2015,
.pages_per_sector = 256,
.nr_sectors = 32,
.name = "M25P16",
},
{
- .idcode1 = 0x12,
- .page_size = 256,
+ .id = 0x2012,
.pages_per_sector = 256,
.nr_sectors = 4,
.name = "M25P20",
},
{
- .idcode1 = 0x16,
- .page_size = 256,
+ .id = 0x2016,
.pages_per_sector = 256,
.nr_sectors = 64,
.name = "M25P32",
},
{
- .idcode1 = 0x13,
- .page_size = 256,
+ .id = 0x2013,
.pages_per_sector = 256,
.nr_sectors = 8,
.name = "M25P40",
},
{
- .idcode1 = 0x17,
- .page_size = 256,
+ .id = 0x2017,
.pages_per_sector = 256,
.nr_sectors = 128,
.name = "M25P64",
},
{
- .idcode1 = 0x14,
- .page_size = 256,
+ .id = 0x2014,
.pages_per_sector = 256,
.nr_sectors = 16,
.name = "M25P80",
},
{
- .idcode1 = 0x18,
- .page_size = 256,
+ .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",
+ },
+ {
+ .id = 0xba20,
+ .pages_per_sector = 256,
+ .nr_sectors = 1024,
+ .name = "N25Q512",
+ },
+ {
+ .id = 0xbb20,
+ .pages_per_sector = 256,
+ .nr_sectors = 1024,
+ .name = "N25Q512A",
+ },
+ {
+ .id = 0xba21,
+ .pages_per_sector = 256,
+ .nr_sectors = 2048,
+ .name = "N25Q1024",
+ },
+ {
+ .id = 0xbb21,
+ .pages_per_sector = 256,
+ .nr_sectors = 2048,
+ .name = "N25Q1024A",
+ },
};
-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 = 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;
+ /* for >= 512MiB flashes, use flag status instead of read_status */
+ if (flash->size >= 0x4000000)
+ flash->poll_cmd = CMD_FLAG_STATUS;
+
return flash;
}
projects / people / ms / u-boot.git / blobdiff