1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright (C) 2005, Intec Automation Inc.
4 * Copyright (C) 2014, Freescale Semiconductor, Inc.
5 */
6
7 #include <linux/mtd/spi-nor.h>
8
9 #include "core.h"
10
11 static int
mx25l25635_post_bfpt_fixups(struct spi_nor * nor,const struct sfdp_parameter_header * bfpt_header,const struct sfdp_bfpt * bfpt,struct spi_nor_flash_parameter * params)12 mx25l25635_post_bfpt_fixups(struct spi_nor *nor,
13 const struct sfdp_parameter_header *bfpt_header,
14 const struct sfdp_bfpt *bfpt,
15 struct spi_nor_flash_parameter *params)
16 {
17 /*
18 * MX25L25635F supports 4B opcodes but MX25L25635E does not.
19 * Unfortunately, Macronix has re-used the same JEDEC ID for both
20 * variants which prevents us from defining a new entry in the parts
21 * table.
22 * We need a way to differentiate MX25L25635E and MX25L25635F, and it
23 * seems that the F version advertises support for Fast Read 4-4-4 in
24 * its BFPT table.
25 */
26 if (bfpt->dwords[BFPT_DWORD(5)] & BFPT_DWORD5_FAST_READ_4_4_4)
27 nor->flags |= SNOR_F_4B_OPCODES;
28
29 return 0;
30 }
31
32 static struct spi_nor_fixups mx25l25635_fixups = {
33 .post_bfpt = mx25l25635_post_bfpt_fixups,
34 };
35
36 static const struct flash_info macronix_parts[] = {
37 /* Macronix */
38 { "mx25l512e", INFO(0xc22010, 0, 64 * 1024, 1, SECT_4K) },
39 { "mx25l2005a", INFO(0xc22012, 0, 64 * 1024, 4, SECT_4K) },
40 { "mx25l4005a", INFO(0xc22013, 0, 64 * 1024, 8, SECT_4K) },
41 { "mx25l8005", INFO(0xc22014, 0, 64 * 1024, 16, 0) },
42 { "mx25l1606e", INFO(0xc22015, 0, 64 * 1024, 32, SECT_4K) },
43 { "mx25l3205d", INFO(0xc22016, 0, 64 * 1024, 64, SECT_4K) },
44 { "mx25l3255e", INFO(0xc29e16, 0, 64 * 1024, 64, SECT_4K) },
45 { "mx25l6405d", INFO(0xc22017, 0, 64 * 1024, 128, SECT_4K) },
46 { "mx25u2033e", INFO(0xc22532, 0, 64 * 1024, 4, SECT_4K) },
47 { "mx25u3235f", INFO(0xc22536, 0, 64 * 1024, 64,
48 SECT_4K | SPI_NOR_DUAL_READ |
49 SPI_NOR_QUAD_READ) },
50 { "mx25u4035", INFO(0xc22533, 0, 64 * 1024, 8, SECT_4K) },
51 { "mx25u8035", INFO(0xc22534, 0, 64 * 1024, 16, SECT_4K) },
52 { "mx25u6435f", INFO(0xc22537, 0, 64 * 1024, 128, SECT_4K) },
53 { "mx25l12805d", INFO(0xc22018, 0, 64 * 1024, 256, SECT_4K) },
54 { "mx25l12855e", INFO(0xc22618, 0, 64 * 1024, 256, 0) },
55 { "mx25r1635f", INFO(0xc22815, 0, 64 * 1024, 32,
56 SECT_4K | SPI_NOR_DUAL_READ |
57 SPI_NOR_QUAD_READ) },
58 { "mx25r3235f", INFO(0xc22816, 0, 64 * 1024, 64,
59 SECT_4K | SPI_NOR_DUAL_READ |
60 SPI_NOR_QUAD_READ) },
61 { "mx25u12835f", INFO(0xc22538, 0, 64 * 1024, 256,
62 SECT_4K | SPI_NOR_DUAL_READ |
63 SPI_NOR_QUAD_READ) },
64 { "mx25l25635e", INFO(0xc22019, 0, 64 * 1024, 512,
65 SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ)
66 .fixups = &mx25l25635_fixups },
67 { "mx25u25635f", INFO(0xc22539, 0, 64 * 1024, 512,
68 SECT_4K | SPI_NOR_4B_OPCODES) },
69 { "mx25u51245g", INFO(0xc2253a, 0, 64 * 1024, 1024,
70 SECT_4K | SPI_NOR_DUAL_READ |
71 SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },
72 { "mx25v8035f", INFO(0xc22314, 0, 64 * 1024, 16,
73 SECT_4K | SPI_NOR_DUAL_READ |
74 SPI_NOR_QUAD_READ) },
75 { "mx25l25655e", INFO(0xc22619, 0, 64 * 1024, 512, 0) },
76 { "mx66l51235l", INFO(0xc2201a, 0, 64 * 1024, 1024,
77 SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
78 SPI_NOR_4B_OPCODES) },
79 { "mx66u51235f", INFO(0xc2253a, 0, 64 * 1024, 1024,
80 SECT_4K | SPI_NOR_DUAL_READ |
81 SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },
82 { "mx66l1g45g", INFO(0xc2201b, 0, 64 * 1024, 2048,
83 SECT_4K | SPI_NOR_DUAL_READ |
84 SPI_NOR_QUAD_READ) },
85 { "mx66l1g55g", INFO(0xc2261b, 0, 64 * 1024, 2048,
86 SPI_NOR_QUAD_READ) },
87 { "mx66u2g45g", INFO(0xc2253c, 0, 64 * 1024, 4096,
88 SECT_4K | SPI_NOR_DUAL_READ |
89 SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },
90 };
91
macronix_default_init(struct spi_nor * nor)92 static void macronix_default_init(struct spi_nor *nor)
93 {
94 nor->params->quad_enable = spi_nor_sr1_bit6_quad_enable;
95 nor->params->set_4byte_addr_mode = spi_nor_set_4byte_addr_mode;
96 }
97
98 static const struct spi_nor_fixups macronix_fixups = {
99 .default_init = macronix_default_init,
100 };
101
102 const struct spi_nor_manufacturer spi_nor_macronix = {
103 .name = "macronix",
104 .parts = macronix_parts,
105 .nparts = ARRAY_SIZE(macronix_parts),
106 .fixups = ¯onix_fixups,
107 };
108