blob: 427b71fcdcd4f78fdd79e05263cf3767d5117cfb [file] [log] [blame]
Jason McMullan64e5f3a2009-10-09 17:12:23 -04001/*
2 * Copyright 2008, Network Appliance Inc.
3 * Author: Jason McMullan <mcmullan <at> netapp.com>
4 * Licensed under the GPL-2 or later.
5 */
6
7#include <common.h>
8#include <malloc.h>
9#include <spi_flash.h>
10
11#include "spi_flash_internal.h"
12
Jason McMullan64e5f3a2009-10-09 17:12:23 -040013struct winbond_spi_flash_params {
14 uint16_t id;
Wojtek Skulskib1637e52010-12-07 01:07:45 -050015 uint16_t nr_blocks;
Jason McMullan64e5f3a2009-10-09 17:12:23 -040016 const char *name;
17};
18
Jason McMullan64e5f3a2009-10-09 17:12:23 -040019static const struct winbond_spi_flash_params winbond_spi_flash_table[] = {
20 {
James Le Cuirot7e921dc2011-07-15 06:12:51 +000021 .id = 0x3013,
James Le Cuirot7e921dc2011-07-15 06:12:51 +000022 .nr_blocks = 8,
23 .name = "W25X40",
24 },
25 {
Wojtek Skulskib1637e52010-12-07 01:07:45 -050026 .id = 0x3015,
Jason McMullan64e5f3a2009-10-09 17:12:23 -040027 .nr_blocks = 32,
28 .name = "W25X16",
29 },
30 {
Wojtek Skulskib1637e52010-12-07 01:07:45 -050031 .id = 0x3016,
Jason McMullan64e5f3a2009-10-09 17:12:23 -040032 .nr_blocks = 64,
33 .name = "W25X32",
34 },
35 {
Wojtek Skulskib1637e52010-12-07 01:07:45 -050036 .id = 0x3017,
Jason McMullan64e5f3a2009-10-09 17:12:23 -040037 .nr_blocks = 128,
38 .name = "W25X64",
39 },
Graeme Smechera448bce2010-07-29 09:00:02 -040040 {
Stephen Warren5f963642012-05-24 11:38:34 +000041 .id = 0x4014,
Stephen Warren5f963642012-05-24 11:38:34 +000042 .nr_blocks = 16,
43 .name = "W25Q80BL",
44 },
45 {
Wojtek Skulskib1637e52010-12-07 01:07:45 -050046 .id = 0x4015,
Wojtek Skulskib1637e52010-12-07 01:07:45 -050047 .nr_blocks = 32,
48 .name = "W25Q16",
49 },
50 {
51 .id = 0x4016,
Wojtek Skulskib1637e52010-12-07 01:07:45 -050052 .nr_blocks = 64,
53 .name = "W25Q32",
54 },
55 {
56 .id = 0x4017,
Graeme Smechera448bce2010-07-29 09:00:02 -040057 .nr_blocks = 128,
58 .name = "W25Q64",
59 },
Wojtek Skulskib1637e52010-12-07 01:07:45 -050060 {
61 .id = 0x4018,
Wojtek Skulskib1637e52010-12-07 01:07:45 -050062 .nr_blocks = 256,
63 .name = "W25Q128",
64 },
Jason McMullan64e5f3a2009-10-09 17:12:23 -040065};
66
Jason McMullan64e5f3a2009-10-09 17:12:23 -040067struct spi_flash *spi_flash_probe_winbond(struct spi_slave *spi, u8 *idcode)
68{
69 const struct winbond_spi_flash_params *params;
Mike Frysingerce7cc042011-06-28 07:38:10 +000070 struct spi_flash *flash;
Jason McMullan64e5f3a2009-10-09 17:12:23 -040071 unsigned int i;
72
73 for (i = 0; i < ARRAY_SIZE(winbond_spi_flash_table); i++) {
74 params = &winbond_spi_flash_table[i];
75 if (params->id == ((idcode[1] << 8) | idcode[2]))
76 break;
77 }
78
79 if (i == ARRAY_SIZE(winbond_spi_flash_table)) {
80 debug("SF: Unsupported Winbond ID %02x%02x\n",
81 idcode[1], idcode[2]);
82 return NULL;
83 }
84
Mike Frysingerce7cc042011-06-28 07:38:10 +000085 flash = malloc(sizeof(*flash));
86 if (!flash) {
Jason McMullan64e5f3a2009-10-09 17:12:23 -040087 debug("SF: Failed to allocate memory\n");
88 return NULL;
89 }
90
Mike Frysingerce7cc042011-06-28 07:38:10 +000091 flash->spi = spi;
92 flash->name = params->name;
Jason McMullan64e5f3a2009-10-09 17:12:23 -040093
Mike Frysingerce7cc042011-06-28 07:38:10 +000094 flash->write = spi_flash_cmd_write_multi;
Mike Frysinger41477982012-03-04 22:35:50 -050095 flash->erase = spi_flash_cmd_erase;
Mike Frysingerce7cc042011-06-28 07:38:10 +000096 flash->read = spi_flash_cmd_read_fast;
Mike Frysingera4940782012-03-04 22:56:52 -050097 flash->page_size = 4096;
98 flash->sector_size = 4096;
99 flash->size = 4096 * 16 * params->nr_blocks;
Jason McMullan64e5f3a2009-10-09 17:12:23 -0400100
Mike Frysingerce7cc042011-06-28 07:38:10 +0000101 return flash;
Jason McMullan64e5f3a2009-10-09 17:12:23 -0400102}