mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-27 15:12:21 +00:00
c0f87dd4ff
Rather than each device having its own way to allocate a SPI flash structure, use the new allocation function everywhere. This will make it easier to extend the interface without breaking devices. Signed-off-by: Simon Glass <sjg@chromium.org>
142 lines
3.2 KiB
C
142 lines
3.2 KiB
C
/*
|
|
* Copyright (C) 2009 Freescale Semiconductor, Inc.
|
|
*
|
|
* Author: Mingkai Hu (Mingkai.hu@freescale.com)
|
|
* Based on stmicro.c by Wolfgang Denk (wd@denx.de),
|
|
* TsiChung Liew (Tsi-Chung.Liew@freescale.com),
|
|
* and Jason McMullan (mcmullan@netapp.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
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <malloc.h>
|
|
#include <spi_flash.h>
|
|
|
|
#include "spi_flash_internal.h"
|
|
|
|
struct spansion_spi_flash_params {
|
|
u16 idcode1;
|
|
u16 idcode2;
|
|
u16 pages_per_sector;
|
|
u16 nr_sectors;
|
|
const char *name;
|
|
};
|
|
|
|
static const struct spansion_spi_flash_params spansion_spi_flash_table[] = {
|
|
{
|
|
.idcode1 = 0x0213,
|
|
.idcode2 = 0,
|
|
.pages_per_sector = 256,
|
|
.nr_sectors = 16,
|
|
.name = "S25FL008A",
|
|
},
|
|
{
|
|
.idcode1 = 0x0214,
|
|
.idcode2 = 0,
|
|
.pages_per_sector = 256,
|
|
.nr_sectors = 32,
|
|
.name = "S25FL016A",
|
|
},
|
|
{
|
|
.idcode1 = 0x0215,
|
|
.idcode2 = 0,
|
|
.pages_per_sector = 256,
|
|
.nr_sectors = 64,
|
|
.name = "S25FL032A",
|
|
},
|
|
{
|
|
.idcode1 = 0x0216,
|
|
.idcode2 = 0,
|
|
.pages_per_sector = 256,
|
|
.nr_sectors = 128,
|
|
.name = "S25FL064A",
|
|
},
|
|
{
|
|
.idcode1 = 0x2018,
|
|
.idcode2 = 0x0301,
|
|
.pages_per_sector = 256,
|
|
.nr_sectors = 256,
|
|
.name = "S25FL128P_64K",
|
|
},
|
|
{
|
|
.idcode1 = 0x2018,
|
|
.idcode2 = 0x0300,
|
|
.pages_per_sector = 1024,
|
|
.nr_sectors = 64,
|
|
.name = "S25FL128P_256K",
|
|
},
|
|
{
|
|
.idcode1 = 0x0215,
|
|
.idcode2 = 0x4d00,
|
|
.pages_per_sector = 256,
|
|
.nr_sectors = 64,
|
|
.name = "S25FL032P",
|
|
},
|
|
{
|
|
.idcode1 = 0x2018,
|
|
.idcode2 = 0x4d01,
|
|
.pages_per_sector = 256,
|
|
.nr_sectors = 256,
|
|
.name = "S25FL129P_64K",
|
|
},
|
|
{
|
|
.idcode1 = 0x0219,
|
|
.idcode2 = 0x4d01,
|
|
.pages_per_sector = 256,
|
|
.nr_sectors = 512,
|
|
.name = "S25FL256S",
|
|
},
|
|
};
|
|
|
|
struct spi_flash *spi_flash_probe_spansion(struct spi_slave *spi, u8 *idcode)
|
|
{
|
|
const struct spansion_spi_flash_params *params;
|
|
struct spi_flash *flash;
|
|
unsigned int i;
|
|
unsigned short jedec, ext_jedec;
|
|
|
|
jedec = idcode[1] << 8 | idcode[2];
|
|
ext_jedec = idcode[3] << 8 | idcode[4];
|
|
|
|
for (i = 0; i < ARRAY_SIZE(spansion_spi_flash_table); i++) {
|
|
params = &spansion_spi_flash_table[i];
|
|
if (params->idcode1 == jedec) {
|
|
if (params->idcode2 == ext_jedec)
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (i == ARRAY_SIZE(spansion_spi_flash_table)) {
|
|
debug("SF: Unsupported SPANSION ID %04x %04x\n", jedec, ext_jedec);
|
|
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 = 256 * params->pages_per_sector;
|
|
flash->size = flash->sector_size * params->nr_sectors;
|
|
|
|
return flash;
|
|
}
|