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
is25lp256_post_bfpt_fixups(struct spi_nor * nor,const struct sfdp_parameter_header * bfpt_header,const struct sfdp_bfpt * bfpt)12 is25lp256_post_bfpt_fixups(struct spi_nor *nor,
13 const struct sfdp_parameter_header *bfpt_header,
14 const struct sfdp_bfpt *bfpt)
15 {
16 /*
17 * IS25LP256 supports 4B opcodes, but the BFPT advertises
18 * BFPT_DWORD1_ADDRESS_BYTES_3_ONLY.
19 * Overwrite the number of address bytes advertised by the BFPT.
20 */
21 if ((bfpt->dwords[SFDP_DWORD(1)] & BFPT_DWORD1_ADDRESS_BYTES_MASK) ==
22 BFPT_DWORD1_ADDRESS_BYTES_3_ONLY)
23 nor->params->addr_nbytes = 4;
24
25 return 0;
26 }
27
28 static const struct spi_nor_fixups is25lp256_fixups = {
29 .post_bfpt = is25lp256_post_bfpt_fixups,
30 };
31
pm25lv_nor_late_init(struct spi_nor * nor)32 static int pm25lv_nor_late_init(struct spi_nor *nor)
33 {
34 struct spi_nor_erase_map *map = &nor->params->erase_map;
35 int i;
36
37 /* The PM25LV series has a different 4k sector erase opcode */
38 for (i = 0; i < SNOR_ERASE_TYPE_MAX; i++)
39 if (map->erase_type[i].size == 4096)
40 map->erase_type[i].opcode = SPINOR_OP_BE_4K_PMC;
41
42 return 0;
43 }
44
45 static const struct spi_nor_fixups pm25lv_nor_fixups = {
46 .late_init = pm25lv_nor_late_init,
47 };
48
49 static const struct flash_info issi_nor_parts[] = {
50 {
51 .name = "pm25lv512",
52 .sector_size = SZ_32K,
53 .size = SZ_64K,
54 .no_sfdp_flags = SECT_4K,
55 .fixups = &pm25lv_nor_fixups
56 }, {
57 .name = "pm25lv010",
58 .sector_size = SZ_32K,
59 .size = SZ_128K,
60 .no_sfdp_flags = SECT_4K,
61 .fixups = &pm25lv_nor_fixups
62 }, {
63 .id = SNOR_ID(0x7f, 0x9d, 0x20),
64 .name = "is25cd512",
65 .sector_size = SZ_32K,
66 .size = SZ_64K,
67 .no_sfdp_flags = SECT_4K,
68 }, {
69 .id = SNOR_ID(0x7f, 0x9d, 0x46),
70 .name = "pm25lq032",
71 .size = SZ_4M,
72 .no_sfdp_flags = SECT_4K,
73 }, {
74 .id = SNOR_ID(0x9d, 0x40, 0x13),
75 .name = "is25lq040b",
76 .size = SZ_512K,
77 .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
78 }, {
79 .id = SNOR_ID(0x9d, 0x60, 0x14),
80 .name = "is25lp080d",
81 .size = SZ_1M,
82 .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
83 }, {
84 .id = SNOR_ID(0x9d, 0x60, 0x15),
85 .name = "is25lp016d",
86 .size = SZ_2M,
87 .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
88 }, {
89 .id = SNOR_ID(0x9d, 0x60, 0x16),
90 .name = "is25lp032",
91 .size = SZ_4M,
92 .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ,
93 }, {
94 .id = SNOR_ID(0x9d, 0x60, 0x17),
95 .name = "is25lp064",
96 .size = SZ_8M,
97 .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ,
98 }, {
99 .id = SNOR_ID(0x9d, 0x60, 0x18),
100 .name = "is25lp128",
101 .size = SZ_16M,
102 .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ,
103 }, {
104 .id = SNOR_ID(0x9d, 0x60, 0x19),
105 .name = "is25lp256",
106 .fixups = &is25lp256_fixups,
107 .fixup_flags = SPI_NOR_4B_OPCODES,
108 }, {
109 .id = SNOR_ID(0x9d, 0x70, 0x16),
110 .name = "is25wp032",
111 .size = SZ_4M,
112 .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
113 }, {
114 .id = SNOR_ID(0x9d, 0x70, 0x17),
115 .size = SZ_8M,
116 .name = "is25wp064",
117 .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
118 }, {
119 .id = SNOR_ID(0x9d, 0x70, 0x18),
120 .name = "is25wp128",
121 .size = SZ_16M,
122 .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
123 }, {
124 .id = SNOR_ID(0x9d, 0x70, 0x19),
125 .name = "is25wp256",
126 .flags = SPI_NOR_QUAD_PP,
127 .fixups = &is25lp256_fixups,
128 .fixup_flags = SPI_NOR_4B_OPCODES,
129 }
130 };
131
issi_nor_default_init(struct spi_nor * nor)132 static void issi_nor_default_init(struct spi_nor *nor)
133 {
134 nor->params->quad_enable = spi_nor_sr1_bit6_quad_enable;
135 }
136
137 static const struct spi_nor_fixups issi_fixups = {
138 .default_init = issi_nor_default_init,
139 };
140
141 const struct spi_nor_manufacturer spi_nor_issi = {
142 .name = "issi",
143 .parts = issi_nor_parts,
144 .nparts = ARRAY_SIZE(issi_nor_parts),
145 .fixups = &issi_fixups,
146 };
147