xref: /openbmc/linux/drivers/mtd/spi-nor/macronix.c (revision ee65728e)
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
12 mx25l25635_post_bfpt_fixups(struct spi_nor *nor,
13 			    const struct sfdp_parameter_header *bfpt_header,
14 			    const struct sfdp_bfpt *bfpt)
15 {
16 	/*
17 	 * MX25L25635F supports 4B opcodes but MX25L25635E does not.
18 	 * Unfortunately, Macronix has re-used the same JEDEC ID for both
19 	 * variants which prevents us from defining a new entry in the parts
20 	 * table.
21 	 * We need a way to differentiate MX25L25635E and MX25L25635F, and it
22 	 * seems that the F version advertises support for Fast Read 4-4-4 in
23 	 * its BFPT table.
24 	 */
25 	if (bfpt->dwords[BFPT_DWORD(5)] & BFPT_DWORD5_FAST_READ_4_4_4)
26 		nor->flags |= SNOR_F_4B_OPCODES;
27 
28 	return 0;
29 }
30 
31 static const struct spi_nor_fixups mx25l25635_fixups = {
32 	.post_bfpt = mx25l25635_post_bfpt_fixups,
33 };
34 
35 static const struct flash_info macronix_nor_parts[] = {
36 	/* Macronix */
37 	{ "mx25l512e",   INFO(0xc22010, 0, 64 * 1024,   1)
38 		NO_SFDP_FLAGS(SECT_4K) },
39 	{ "mx25l2005a",  INFO(0xc22012, 0, 64 * 1024,   4)
40 		NO_SFDP_FLAGS(SECT_4K) },
41 	{ "mx25l4005a",  INFO(0xc22013, 0, 64 * 1024,   8)
42 		NO_SFDP_FLAGS(SECT_4K) },
43 	{ "mx25l8005",   INFO(0xc22014, 0, 64 * 1024,  16) },
44 	{ "mx25l1606e",  INFO(0xc22015, 0, 64 * 1024,  32)
45 		NO_SFDP_FLAGS(SECT_4K) },
46 	{ "mx25l3205d",  INFO(0xc22016, 0, 64 * 1024,  64)
47 		NO_SFDP_FLAGS(SECT_4K) },
48 	{ "mx25l3255e",  INFO(0xc29e16, 0, 64 * 1024,  64)
49 		NO_SFDP_FLAGS(SECT_4K) },
50 	{ "mx25l6405d",  INFO(0xc22017, 0, 64 * 1024, 128)
51 		NO_SFDP_FLAGS(SECT_4K) },
52 	{ "mx25u2033e",  INFO(0xc22532, 0, 64 * 1024,   4)
53 		NO_SFDP_FLAGS(SECT_4K) },
54 	{ "mx25u3235f",	 INFO(0xc22536, 0, 64 * 1024,  64)
55 		NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
56 			      SPI_NOR_QUAD_READ) },
57 	{ "mx25u4035",   INFO(0xc22533, 0, 64 * 1024,   8)
58 		NO_SFDP_FLAGS(SECT_4K) },
59 	{ "mx25u8035",   INFO(0xc22534, 0, 64 * 1024,  16)
60 		NO_SFDP_FLAGS(SECT_4K) },
61 	{ "mx25u6435f",  INFO(0xc22537, 0, 64 * 1024, 128)
62 		NO_SFDP_FLAGS(SECT_4K) },
63 	{ "mx25l12805d", INFO(0xc22018, 0, 64 * 1024, 256)
64 		FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_4BIT_BP)
65 		NO_SFDP_FLAGS(SECT_4K) },
66 	{ "mx25l12855e", INFO(0xc22618, 0, 64 * 1024, 256) },
67 	{ "mx25r1635f",  INFO(0xc22815, 0, 64 * 1024,  32)
68 		NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
69 			      SPI_NOR_QUAD_READ) },
70 	{ "mx25r3235f",  INFO(0xc22816, 0, 64 * 1024,  64)
71 		NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
72 			      SPI_NOR_QUAD_READ) },
73 	{ "mx25u12835f", INFO(0xc22538, 0, 64 * 1024, 256)
74 		NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
75 			      SPI_NOR_QUAD_READ) },
76 	{ "mx25l25635e", INFO(0xc22019, 0, 64 * 1024, 512)
77 		NO_SFDP_FLAGS(SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ)
78 		.fixups = &mx25l25635_fixups },
79 	{ "mx25u25635f", INFO(0xc22539, 0, 64 * 1024, 512)
80 		NO_SFDP_FLAGS(SECT_4K)
81 		FIXUP_FLAGS(SPI_NOR_4B_OPCODES) },
82 	{ "mx25u51245g", INFO(0xc2253a, 0, 64 * 1024, 1024)
83 		NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ)
84 		FIXUP_FLAGS(SPI_NOR_4B_OPCODES) },
85 	{ "mx25v8035f",  INFO(0xc22314, 0, 64 * 1024,  16)
86 		NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
87 			      SPI_NOR_QUAD_READ) },
88 	{ "mx25l25655e", INFO(0xc22619, 0, 64 * 1024, 512) },
89 	{ "mx66l51235f", INFO(0xc2201a, 0, 64 * 1024, 1024)
90 		NO_SFDP_FLAGS(SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ)
91 		FIXUP_FLAGS(SPI_NOR_4B_OPCODES) },
92 	{ "mx66u51235f", INFO(0xc2253a, 0, 64 * 1024, 1024)
93 		NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ)
94 		FIXUP_FLAGS(SPI_NOR_4B_OPCODES) },
95 	{ "mx66l1g45g",  INFO(0xc2201b, 0, 64 * 1024, 2048)
96 		NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
97 			      SPI_NOR_QUAD_READ) },
98 	{ "mx66l1g55g",  INFO(0xc2261b, 0, 64 * 1024, 2048)
99 		NO_SFDP_FLAGS(SPI_NOR_QUAD_READ) },
100 	{ "mx66u2g45g",	 INFO(0xc2253c, 0, 64 * 1024, 4096)
101 		NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ)
102 		FIXUP_FLAGS(SPI_NOR_4B_OPCODES) },
103 };
104 
105 static void macronix_nor_default_init(struct spi_nor *nor)
106 {
107 	nor->params->quad_enable = spi_nor_sr1_bit6_quad_enable;
108 	nor->params->set_4byte_addr_mode = spi_nor_set_4byte_addr_mode;
109 }
110 
111 static const struct spi_nor_fixups macronix_nor_fixups = {
112 	.default_init = macronix_nor_default_init,
113 };
114 
115 const struct spi_nor_manufacturer spi_nor_macronix = {
116 	.name = "macronix",
117 	.parts = macronix_nor_parts,
118 	.nparts = ARRAY_SIZE(macronix_nor_parts),
119 	.fixups = &macronix_nor_fixups,
120 };
121