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
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
/*
* Copyright 2009(C) Marvell International Ltd. and its affiliates
* Prafulla Wadaskar <prafulla@marvell.com>
*
* Based on drivers/mtd/spi/stmicro.c
*
* Copyright 2008, Network Appliance Inc.
* Jason McMullan <mcmullan@netapp.com>
*
* 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., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#include <common.h>
#include <malloc.h>
#include <spi_flash.h>
#include "spi_flash_internal.h"
struct macronix_spi_flash_params {
u16 idcode;
u16 nr_blocks;
const char *name;
};
static const struct macronix_spi_flash_params macronix_spi_flash_table[] = {
{
.idcode = 0x2013,
.nr_blocks = 8,
.name = "MX25L4005",
},
{
.idcode = 0x2014,
.nr_blocks = 16,
.name = "MX25L8005",
},
{
.idcode = 0x2015,
.nr_blocks = 32,
.name = "MX25L1605D",
},
{
.idcode = 0x2016,
.nr_blocks = 64,
.name = "MX25L3205D",
},
{
.idcode = 0x2017,
.nr_blocks = 128,
.name = "MX25L6405D",
},
{
.idcode = 0x2018,
.nr_blocks = 256,
.name = "MX25L12805D",
},
{
.idcode = 0x2618,
.nr_blocks = 256,
.name = "MX25L12855E",
},
};
struct spi_flash *spi_flash_probe_macronix(struct spi_slave *spi, u8 *idcode)
{
const struct macronix_spi_flash_params *params;
struct spi_flash *flash;
unsigned int i;
u16 id = idcode[2] | idcode[1] << 8;
for (i = 0; i < ARRAY_SIZE(macronix_spi_flash_table); i++) {
params = ¯onix_spi_flash_table[i];
if (params->idcode == id)
break;
}
if (i == ARRAY_SIZE(macronix_spi_flash_table)) {
debug("SF: Unsupported Macronix ID %04x\n", id);
return NULL;
}
flash = malloc(sizeof(*flash));
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 * 16 * 16;
flash->size = flash->sector_size * params->nr_blocks;
/* Clear BP# bits for read-only flash */
spi_flash_cmd_write_status(flash, 0);
return flash;
}
|
