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
11static int
12mx25l25635_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[SFDP_DWORD(5)] & BFPT_DWORD5_FAST_READ_4_4_4)
26		nor->flags |= SNOR_F_4B_OPCODES;
27
28	return 0;
29}
30
31static const struct spi_nor_fixups mx25l25635_fixups = {
32	.post_bfpt = mx25l25635_post_bfpt_fixups,
33};
34
35static 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	{ "mx25uw51245g", INFOB(0xc2813a, 0, 0, 0, 4)
86		PARSE_SFDP
87		FLAGS(SPI_NOR_RWW) },
88	{ "mx25v8035f",  INFO(0xc22314, 0, 64 * 1024,  16)
89		NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
90			      SPI_NOR_QUAD_READ) },
91	{ "mx25l25655e", INFO(0xc22619, 0, 64 * 1024, 512) },
92	{ "mx66l51235f", INFO(0xc2201a, 0, 64 * 1024, 1024)
93		NO_SFDP_FLAGS(SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ)
94		FIXUP_FLAGS(SPI_NOR_4B_OPCODES) },
95	{ "mx66u51235f", INFO(0xc2253a, 0, 64 * 1024, 1024)
96		NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ)
97		FIXUP_FLAGS(SPI_NOR_4B_OPCODES) },
98	{ "mx66l1g45g",  INFO(0xc2201b, 0, 64 * 1024, 2048)
99		NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
100			      SPI_NOR_QUAD_READ) },
101	{ "mx66l1g55g",  INFO(0xc2261b, 0, 64 * 1024, 2048)
102		NO_SFDP_FLAGS(SPI_NOR_QUAD_READ) },
103	{ "mx66u2g45g",	 INFO(0xc2253c, 0, 64 * 1024, 4096)
104		NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ)
105		FIXUP_FLAGS(SPI_NOR_4B_OPCODES) },
106};
107
108static void macronix_nor_default_init(struct spi_nor *nor)
109{
110	nor->params->quad_enable = spi_nor_sr1_bit6_quad_enable;
111}
112
113static int macronix_nor_late_init(struct spi_nor *nor)
114{
115	if (!nor->params->set_4byte_addr_mode)
116		nor->params->set_4byte_addr_mode = spi_nor_set_4byte_addr_mode_en4b_ex4b;
117
118	return 0;
119}
120
121static const struct spi_nor_fixups macronix_nor_fixups = {
122	.default_init = macronix_nor_default_init,
123	.late_init = macronix_nor_late_init,
124};
125
126const struct spi_nor_manufacturer spi_nor_macronix = {
127	.name = "macronix",
128	.parts = macronix_nor_parts,
129	.nparts = ARRAY_SIZE(macronix_nor_parts),
130	.fixups = &macronix_nor_fixups,
131};
132