* 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_RES 0xab /* Release from DP, and Read Signature */
+#define CMD_M25PXX_RES 0xab /* Release from DP, and Read Signature */
struct stmicro_spi_flash_params {
u16 id;
.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",
+ },
};
-struct spi_flash *spi_flash_probe_stmicro(struct spi_slave *spi, u8 * idcode)
+struct spi_flash *spi_flash_probe_stmicro(struct spi_slave *spi, u8 *idcode)
{
const struct stmicro_spi_flash_params *params;
struct spi_flash *flash;
idcode[0] = 0x20;
idcode[1] = 0x20;
idcode[2] = idcode[3] + 1;
- } else
+ } else {
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->id == id) {
+ if (params->id == id)
break;
- }
}
if (i == ARRAY_SIZE(stmicro_spi_flash_table)) {
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 = spi_flash_cmd_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;
+ /* for >= 512MiB flashes, use flag status instead of read_status */
+ if (flash->size >= 0x4000000)
+ flash->poll_cmd = CMD_FLAG_STATUS;
+
return flash;
}