summaryrefslogtreecommitdiff
path: root/src/drivers/spi/amic.c
blob: 8e25cd933c74074e6993d83523cc319d4006fe14 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
/*
 * 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"

/* A25L-specific commands */
#define CMD_A25_WREN		0x06	/* Write Enable */
#define CMD_A25_WRDI		0x04	/* Write Disable */
#define CMD_A25_RDSR		0x05	/* Read Status Register */
#define CMD_A25_WRSR		0x01	/* Write Status Register */
#define CMD_A25_READ		0x03	/* Read Data Bytes */
#define CMD_A25_FAST_READ	0x0b	/* Read Data Bytes at Higher Speed */
#define CMD_A25_PP		0x02	/* Page Program */
#define CMD_A25_SE		0x20	/* Sector (4K) Erase */
#define CMD_A25_BE		0xd8	/* Block (64K) Erase */
#define CMD_A25_CE		0xc7	/* Chip Erase */
#define CMD_A25_DP		0xb9	/* Deep Power-down */
#define CMD_A25_RES		0xab	/* Release from DP, and Read Signature */

static const struct spi_flash_part_id flash_table[] = {
	{
		.id			= 0x2015,
		.name			= "A25L16PU",
		.nr_sectors_shift	= 9,
	},
	{
		.id			= 0x2025,
		.name			= "A25L16PT",
		.nr_sectors_shift	= 9,
	},
	{
		.id			= 0x3014,
		.name			= "A25L080",
		.nr_sectors_shift	= 8,
	},
	{
		.id			= 0x3015,
		.name			= "A25L016",
		.nr_sectors_shift	= 9,
	},
	{
		.id			= 0x3016,
		.name			= "A25L032",
		.nr_sectors_shift	= 10,
	},
	{
		.id			= 0x4014,
		.name			= "A25LQ080",
		.nr_sectors_shift	= 8,
	},
	{
		.id			= 0x4015,
		.name			= "A25LQ16",
		.nr_sectors_shift	= 9,
	},
	{
		.id			= 0x4016,
		.name			= "A25LQ032",
		.nr_sectors_shift	= 10,
	},
	{
		.id			= 0x4017,
		.name			= "A25LQ64",
		.nr_sectors_shift	= 11,
	},
};

const struct spi_flash_vendor_info spi_flash_amic_vi = {
	.id = VENDOR_ID_AMIC,
	.page_size_shift = 8,
	.sector_size_kib_shift = 2,
	.match_id_mask = 0xffff,
	.ids = flash_table,
	.nr_part_ids = ARRAY_SIZE(flash_table),
	.desc = &spi_flash_pp_0x20_sector_desc,
};