xref: /openbmc/linux/drivers/mtd/spi-nor/spansion.c (revision 2634682f)
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 s25fs_s_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 	 * The S25FS-S chip family reports 512-byte pages in BFPT but
19 	 * in reality the write buffer still wraps at the safe default
20 	 * of 256 bytes.  Overwrite the page size advertised by BFPT
21 	 * to get the writes working.
22 	 */
23 	params->page_size = 256;
24 
25 	return 0;
26 }
27 
28 static struct spi_nor_fixups s25fs_s_fixups = {
29 	.post_bfpt = s25fs_s_post_bfpt_fixups,
30 };
31 
32 static const struct flash_info spansion_parts[] = {
33 	/* Spansion/Cypress -- single (large) sector size only, at least
34 	 * for the chips listed here (without boot sectors).
35 	 */
36 	{ "s25sl032p",  INFO(0x010215, 0x4d00,  64 * 1024,  64,
37 			     SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
38 	{ "s25sl064p",  INFO(0x010216, 0x4d00,  64 * 1024, 128,
39 			     SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
40 	{ "s25fl128s0", INFO6(0x012018, 0x4d0080, 256 * 1024, 64,
41 			      SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
42 			      USE_CLSR) },
43 	{ "s25fl128s1", INFO6(0x012018, 0x4d0180, 64 * 1024, 256,
44 			      SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
45 			      USE_CLSR) },
46 	{ "s25fl256s0", INFO6(0x010219, 0x4d0080, 256 * 1024, 128,
47 			      SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
48 			      USE_CLSR) },
49 	{ "s25fl256s1", INFO6(0x010219, 0x4d0180, 64 * 1024, 512,
50 			      SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
51 			      USE_CLSR) },
52 	{ "s25fl512s",  INFO6(0x010220, 0x4d0080, 256 * 1024, 256,
53 			      SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
54 			      SPI_NOR_HAS_LOCK | USE_CLSR) },
55 	{ "s25fs128s1", INFO6(0x012018, 0x4d0181, 64 * 1024, 256,
56 			      SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | USE_CLSR)
57 	  .fixups = &s25fs_s_fixups, },
58 	{ "s25fs256s0", INFO6(0x010219, 0x4d0081, 256 * 1024, 128,
59 			      SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
60 			      USE_CLSR) },
61 	{ "s25fs256s1", INFO6(0x010219, 0x4d0181, 64 * 1024, 512,
62 			      SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
63 			      USE_CLSR) },
64 	{ "s25fs512s",  INFO6(0x010220, 0x4d0081, 256 * 1024, 256,
65 			      SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | USE_CLSR)
66 	  .fixups = &s25fs_s_fixups, },
67 	{ "s25sl12800", INFO(0x012018, 0x0300, 256 * 1024,  64, 0) },
68 	{ "s25sl12801", INFO(0x012018, 0x0301,  64 * 1024, 256, 0) },
69 	{ "s25fl129p0", INFO(0x012018, 0x4d00, 256 * 1024,  64,
70 			     SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
71 			     USE_CLSR) },
72 	{ "s25fl129p1", INFO(0x012018, 0x4d01,  64 * 1024, 256,
73 			     SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
74 			     USE_CLSR) },
75 	{ "s25sl004a",  INFO(0x010212,      0,  64 * 1024,   8, 0) },
76 	{ "s25sl008a",  INFO(0x010213,      0,  64 * 1024,  16, 0) },
77 	{ "s25sl016a",  INFO(0x010214,      0,  64 * 1024,  32, 0) },
78 	{ "s25sl032a",  INFO(0x010215,      0,  64 * 1024,  64, 0) },
79 	{ "s25sl064a",  INFO(0x010216,      0,  64 * 1024, 128, 0) },
80 	{ "s25fl004k",  INFO(0xef4013,      0,  64 * 1024,   8,
81 			     SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
82 	{ "s25fl008k",  INFO(0xef4014,      0,  64 * 1024,  16,
83 			     SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
84 	{ "s25fl016k",  INFO(0xef4015,      0,  64 * 1024,  32,
85 			     SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
86 	{ "s25fl064k",  INFO(0xef4017,      0,  64 * 1024, 128,
87 			     SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
88 	{ "s25fl116k",  INFO(0x014015,      0,  64 * 1024,  32,
89 			     SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
90 	{ "s25fl132k",  INFO(0x014016,      0,  64 * 1024,  64, SECT_4K) },
91 	{ "s25fl164k",  INFO(0x014017,      0,  64 * 1024, 128, SECT_4K) },
92 	{ "s25fl204k",  INFO(0x014013,      0,  64 * 1024,   8,
93 			     SECT_4K | SPI_NOR_DUAL_READ) },
94 	{ "s25fl208k",  INFO(0x014014,      0,  64 * 1024,  16,
95 			     SECT_4K | SPI_NOR_DUAL_READ) },
96 	{ "s25fl064l",  INFO(0x016017,      0,  64 * 1024, 128,
97 			     SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
98 			     SPI_NOR_4B_OPCODES) },
99 	{ "s25fl128l",  INFO(0x016018,      0,  64 * 1024, 256,
100 			     SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
101 			     SPI_NOR_4B_OPCODES) },
102 	{ "s25fl256l",  INFO(0x016019,      0,  64 * 1024, 512,
103 			     SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
104 			     SPI_NOR_4B_OPCODES) },
105 	{ "cy15x104q",  INFO6(0x042cc2, 0x7f7f7f, 512 * 1024, 1,
106 			      SPI_NOR_NO_ERASE) },
107 };
108 
109 static void spansion_post_sfdp_fixups(struct spi_nor *nor)
110 {
111 	if (nor->params->size <= SZ_16M)
112 		return;
113 
114 	nor->flags |= SNOR_F_4B_OPCODES;
115 	/* No small sector erase for 4-byte command set */
116 	nor->erase_opcode = SPINOR_OP_SE;
117 	nor->mtd.erasesize = nor->info->sector_size;
118 }
119 
120 static const struct spi_nor_fixups spansion_fixups = {
121 	.post_sfdp = spansion_post_sfdp_fixups,
122 };
123 
124 const struct spi_nor_manufacturer spi_nor_spansion = {
125 	.name = "spansion",
126 	.parts = spansion_parts,
127 	.nparts = ARRAY_SIZE(spansion_parts),
128 	.fixups = &spansion_fixups,
129 };
130