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7b7a869a TL |
1 | /* |
2 | * (C) Copyright 2000-2002 | |
3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
4 | * | |
5 | * Copyright 2008, Network Appliance Inc. | |
6 | * Jason McMullan <mcmullan@netapp.com> | |
7 | * | |
8 | * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. | |
9 | * TsiChung Liew (Tsi-Chung.Liew@freescale.com) | |
10 | * | |
5928b9a8 | 11 | * SPDX-License-Identifier: GPL-2.0+ |
7b7a869a TL |
12 | */ |
13 | ||
14 | #include <common.h> | |
15 | #include <malloc.h> | |
16 | #include <spi_flash.h> | |
17 | ||
18 | #include "spi_flash_internal.h" | |
19 | ||
20 | /* M25Pxx-specific commands */ | |
d0be616f | 21 | #define CMD_M25PXX_RES 0xab /* Release from DP, and Read Signature */ |
7b7a869a | 22 | |
7b7a869a | 23 | struct stmicro_spi_flash_params { |
63ff6a66 | 24 | u16 id; |
7b7a869a TL |
25 | u16 pages_per_sector; |
26 | u16 nr_sectors; | |
27 | const char *name; | |
28 | }; | |
29 | ||
7b7a869a | 30 | static const struct stmicro_spi_flash_params stmicro_spi_flash_table[] = { |
12c2e3bb | 31 | { |
63ff6a66 | 32 | .id = 0x2011, |
12c2e3bb TC |
33 | .pages_per_sector = 128, |
34 | .nr_sectors = 4, | |
35 | .name = "M25P10", | |
36 | }, | |
7b7a869a | 37 | { |
63ff6a66 | 38 | .id = 0x2015, |
7b7a869a TL |
39 | .pages_per_sector = 256, |
40 | .nr_sectors = 32, | |
41 | .name = "M25P16", | |
42 | }, | |
43 | { | |
63ff6a66 | 44 | .id = 0x2012, |
7b7a869a TL |
45 | .pages_per_sector = 256, |
46 | .nr_sectors = 4, | |
47 | .name = "M25P20", | |
48 | }, | |
49 | { | |
63ff6a66 | 50 | .id = 0x2016, |
7b7a869a TL |
51 | .pages_per_sector = 256, |
52 | .nr_sectors = 64, | |
53 | .name = "M25P32", | |
54 | }, | |
55 | { | |
63ff6a66 | 56 | .id = 0x2013, |
7b7a869a TL |
57 | .pages_per_sector = 256, |
58 | .nr_sectors = 8, | |
59 | .name = "M25P40", | |
60 | }, | |
61 | { | |
63ff6a66 | 62 | .id = 0x2017, |
7b7a869a TL |
63 | .pages_per_sector = 256, |
64 | .nr_sectors = 128, | |
65 | .name = "M25P64", | |
66 | }, | |
67 | { | |
63ff6a66 | 68 | .id = 0x2014, |
7b7a869a TL |
69 | .pages_per_sector = 256, |
70 | .nr_sectors = 16, | |
71 | .name = "M25P80", | |
72 | }, | |
73 | { | |
63ff6a66 | 74 | .id = 0x2018, |
7b7a869a TL |
75 | .pages_per_sector = 1024, |
76 | .nr_sectors = 64, | |
77 | .name = "M25P128", | |
78 | }, | |
c75c9212 JT |
79 | { |
80 | .id = 0xba16, | |
81 | .pages_per_sector = 256, | |
82 | .nr_sectors = 64, | |
83 | .name = "N25Q32", | |
84 | }, | |
b1431dac JT |
85 | { |
86 | .id = 0xbb16, | |
87 | .pages_per_sector = 256, | |
88 | .nr_sectors = 64, | |
89 | .name = "N25Q32A", | |
90 | }, | |
3981d02e JT |
91 | { |
92 | .id = 0xba17, | |
93 | .pages_per_sector = 256, | |
94 | .nr_sectors = 128, | |
95 | .name = "N25Q064", | |
96 | }, | |
f785fcb6 JT |
97 | { |
98 | .id = 0xbb17, | |
99 | .pages_per_sector = 256, | |
100 | .nr_sectors = 128, | |
101 | .name = "N25Q64A", | |
102 | }, | |
6ad6c6dc SL |
103 | { |
104 | .id = 0xba18, | |
105 | .pages_per_sector = 256, | |
106 | .nr_sectors = 256, | |
107 | .name = "N25Q128", | |
108 | }, | |
d945ce97 MS |
109 | { |
110 | .id = 0xbb18, | |
111 | .pages_per_sector = 256, | |
112 | .nr_sectors = 256, | |
113 | .name = "N25Q128A", | |
114 | }, | |
b54d1f26 | 115 | { |
63ff6a66 | 116 | .id = 0xba19, |
b54d1f26 JC |
117 | .pages_per_sector = 256, |
118 | .nr_sectors = 512, | |
119 | .name = "N25Q256", | |
120 | }, | |
d62ef561 JT |
121 | { |
122 | .id = 0xbb19, | |
123 | .pages_per_sector = 256, | |
124 | .nr_sectors = 512, | |
125 | .name = "N25Q256A", | |
126 | }, | |
0569f3b9 JT |
127 | { |
128 | .id = 0xba20, | |
129 | .pages_per_sector = 256, | |
130 | .nr_sectors = 1024, | |
131 | .name = "N25Q512", | |
132 | }, | |
fd60c0ac JT |
133 | { |
134 | .id = 0xbb20, | |
135 | .pages_per_sector = 256, | |
136 | .nr_sectors = 1024, | |
137 | .name = "N25Q512A", | |
138 | }, | |
221cb084 JT |
139 | { |
140 | .id = 0xba21, | |
141 | .pages_per_sector = 256, | |
142 | .nr_sectors = 2048, | |
143 | .name = "N25Q1024", | |
144 | }, | |
4e290431 JT |
145 | { |
146 | .id = 0xbb21, | |
147 | .pages_per_sector = 256, | |
148 | .nr_sectors = 2048, | |
149 | .name = "N25Q1024A", | |
150 | }, | |
7b7a869a TL |
151 | }; |
152 | ||
d0be616f | 153 | struct spi_flash *spi_flash_probe_stmicro(struct spi_slave *spi, u8 *idcode) |
7b7a869a TL |
154 | { |
155 | const struct stmicro_spi_flash_params *params; | |
b06afa75 | 156 | struct spi_flash *flash; |
7b7a869a | 157 | unsigned int i; |
63ff6a66 | 158 | u16 id; |
7b7a869a | 159 | |
12c2e3bb TC |
160 | if (idcode[0] == 0xff) { |
161 | i = spi_flash_cmd(spi, CMD_M25PXX_RES, | |
162 | idcode, 4); | |
163 | if (i) | |
164 | return NULL; | |
165 | if ((idcode[3] & 0xf0) == 0x10) { | |
166 | idcode[0] = 0x20; | |
167 | idcode[1] = 0x20; | |
168 | idcode[2] = idcode[3] + 1; | |
5928b9a8 | 169 | } else { |
12c2e3bb | 170 | return NULL; |
5928b9a8 | 171 | } |
12c2e3bb TC |
172 | } |
173 | ||
63ff6a66 SL |
174 | id = ((idcode[1] << 8) | idcode[2]); |
175 | ||
7b7a869a TL |
176 | for (i = 0; i < ARRAY_SIZE(stmicro_spi_flash_table); i++) { |
177 | params = &stmicro_spi_flash_table[i]; | |
d0be616f | 178 | if (params->id == id) |
7b7a869a | 179 | break; |
7b7a869a TL |
180 | } |
181 | ||
182 | if (i == ARRAY_SIZE(stmicro_spi_flash_table)) { | |
63ff6a66 | 183 | debug("SF: Unsupported STMicro ID %04x\n", id); |
7b7a869a TL |
184 | return NULL; |
185 | } | |
186 | ||
c0f87dd4 | 187 | flash = spi_flash_alloc_base(spi, params->name); |
b06afa75 | 188 | if (!flash) { |
7b7a869a TL |
189 | debug("SF: Failed to allocate memory\n"); |
190 | return NULL; | |
191 | } | |
192 | ||
a4ed3b65 MF |
193 | flash->page_size = 256; |
194 | flash->sector_size = 256 * params->pages_per_sector; | |
b06afa75 | 195 | flash->size = flash->sector_size * params->nr_sectors; |
7b7a869a | 196 | |
615a1561 JT |
197 | /* for >= 512MiB flashes, use flag status instead of read_status */ |
198 | if (flash->size >= 0x4000000) | |
199 | flash->poll_cmd = CMD_FLAG_STATUS; | |
200 | ||
b06afa75 | 201 | return flash; |
7b7a869a | 202 | } |