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6805e4bf MH |
1 | /* |
2 | * Copyright (C) 2009 Freescale Semiconductor, Inc. | |
3 | * | |
4 | * Author: Mingkai Hu (Mingkai.hu@freescale.com) | |
5 | * Based on stmicro.c by Wolfgang Denk (wd@denx.de), | |
6 | * TsiChung Liew (Tsi-Chung.Liew@freescale.com), | |
7 | * and Jason McMullan (mcmullan@netapp.com) | |
8 | * | |
9 | * See file CREDITS for list of people who contributed to this | |
10 | * project. | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or | |
13 | * modify it under the terms of the GNU General Public License as | |
14 | * published by the Free Software Foundation; either version 2 of | |
15 | * the License, or (at your option) any later version. | |
16 | * | |
17 | * This program is distributed in the hope that it will be useful, | |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | * GNU General Public License for more details. | |
21 | * | |
22 | * You should have received a copy of the GNU General Public License | |
23 | * along with this program; if not, write to the Free Software | |
24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
25 | * MA 02111-1307 USA | |
26 | */ | |
27 | ||
28 | #include <common.h> | |
29 | #include <malloc.h> | |
30 | #include <spi_flash.h> | |
31 | ||
32 | #include "spi_flash_internal.h" | |
33 | ||
6805e4bf MH |
34 | struct spansion_spi_flash_params { |
35 | u16 idcode1; | |
36 | u16 idcode2; | |
6805e4bf MH |
37 | u16 pages_per_sector; |
38 | u16 nr_sectors; | |
39 | const char *name; | |
40 | }; | |
41 | ||
6805e4bf MH |
42 | static const struct spansion_spi_flash_params spansion_spi_flash_table[] = { |
43 | { | |
7d72b80a | 44 | .idcode1 = 0x0213, |
6805e4bf | 45 | .idcode2 = 0, |
6805e4bf MH |
46 | .pages_per_sector = 256, |
47 | .nr_sectors = 16, | |
48 | .name = "S25FL008A", | |
49 | }, | |
50 | { | |
7d72b80a | 51 | .idcode1 = 0x0214, |
6805e4bf | 52 | .idcode2 = 0, |
6805e4bf MH |
53 | .pages_per_sector = 256, |
54 | .nr_sectors = 32, | |
55 | .name = "S25FL016A", | |
56 | }, | |
57 | { | |
7d72b80a | 58 | .idcode1 = 0x0215, |
6805e4bf | 59 | .idcode2 = 0, |
6805e4bf MH |
60 | .pages_per_sector = 256, |
61 | .nr_sectors = 64, | |
62 | .name = "S25FL032A", | |
63 | }, | |
64 | { | |
7d72b80a | 65 | .idcode1 = 0x0216, |
6805e4bf | 66 | .idcode2 = 0, |
6805e4bf MH |
67 | .pages_per_sector = 256, |
68 | .nr_sectors = 128, | |
69 | .name = "S25FL064A", | |
70 | }, | |
71 | { | |
7d72b80a MF |
72 | .idcode1 = 0x2018, |
73 | .idcode2 = 0x0301, | |
6805e4bf MH |
74 | .pages_per_sector = 256, |
75 | .nr_sectors = 256, | |
76 | .name = "S25FL128P_64K", | |
77 | }, | |
78 | { | |
7d72b80a MF |
79 | .idcode1 = 0x2018, |
80 | .idcode2 = 0x0300, | |
6805e4bf MH |
81 | .pages_per_sector = 1024, |
82 | .nr_sectors = 64, | |
83 | .name = "S25FL128P_256K", | |
84 | }, | |
ff0dc2c4 | 85 | { |
7d72b80a MF |
86 | .idcode1 = 0x0215, |
87 | .idcode2 = 0x4d00, | |
ff0dc2c4 DJ |
88 | .pages_per_sector = 256, |
89 | .nr_sectors = 64, | |
90 | .name = "S25FL032P", | |
91 | }, | |
9445ce08 | 92 | { |
7d72b80a MF |
93 | .idcode1 = 0x2018, |
94 | .idcode2 = 0x4d01, | |
9445ce08 SX |
95 | .pages_per_sector = 256, |
96 | .nr_sectors = 256, | |
97 | .name = "S25FL129P_64K", | |
98 | }, | |
4a4cb4e1 | 99 | { |
4e994c16 | 100 | .idcode1 = 0x0219, |
4a4cb4e1 MS |
101 | .idcode2 = 0x4d01, |
102 | .pages_per_sector = 256, | |
103 | .nr_sectors = 512, | |
104 | .name = "S25FL256S", | |
105 | }, | |
6805e4bf MH |
106 | }; |
107 | ||
6805e4bf MH |
108 | struct spi_flash *spi_flash_probe_spansion(struct spi_slave *spi, u8 *idcode) |
109 | { | |
110 | const struct spansion_spi_flash_params *params; | |
b06afa75 | 111 | struct spi_flash *flash; |
6805e4bf MH |
112 | unsigned int i; |
113 | unsigned short jedec, ext_jedec; | |
6805e4bf | 114 | |
0dcdbb17 MF |
115 | jedec = idcode[1] << 8 | idcode[2]; |
116 | ext_jedec = idcode[3] << 8 | idcode[4]; | |
6805e4bf MH |
117 | |
118 | for (i = 0; i < ARRAY_SIZE(spansion_spi_flash_table); i++) { | |
119 | params = &spansion_spi_flash_table[i]; | |
120 | if (params->idcode1 == jedec) { | |
121 | if (params->idcode2 == ext_jedec) | |
122 | break; | |
123 | } | |
124 | } | |
125 | ||
126 | if (i == ARRAY_SIZE(spansion_spi_flash_table)) { | |
127 | debug("SF: Unsupported SPANSION ID %04x %04x\n", jedec, ext_jedec); | |
128 | return NULL; | |
129 | } | |
130 | ||
b06afa75 MF |
131 | flash = malloc(sizeof(*flash)); |
132 | if (!flash) { | |
6805e4bf MH |
133 | debug("SF: Failed to allocate memory\n"); |
134 | return NULL; | |
135 | } | |
136 | ||
b06afa75 MF |
137 | flash->spi = spi; |
138 | flash->name = params->name; | |
6805e4bf | 139 | |
b06afa75 | 140 | flash->write = spi_flash_cmd_write_multi; |
c4e932ce | 141 | flash->erase = spi_flash_cmd_erase; |
b06afa75 | 142 | flash->read = spi_flash_cmd_read_fast; |
a4ed3b65 MF |
143 | flash->page_size = 256; |
144 | flash->sector_size = 256 * params->pages_per_sector; | |
b06afa75 | 145 | flash->size = flash->sector_size * params->nr_sectors; |
6805e4bf | 146 | |
b06afa75 | 147 | return flash; |
6805e4bf | 148 | } |