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			    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
32static struct spi_nor_fixups mx25l25635_fixups = {
33	.post_bfpt = mx25l25635_post_bfpt_fixups,
34};
35
36static 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
92static 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
98static const struct spi_nor_fixups macronix_fixups = {
99	.default_init = macronix_default_init,
100};
101
102const struct spi_nor_manufacturer spi_nor_macronix = {
103	.name = "macronix",
104	.parts = macronix_parts,
105	.nparts = ARRAY_SIZE(macronix_parts),
106	.fixups = &macronix_fixups,
107};
108