1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright (c) 2023 Rockchip Electronics Co., Ltd
4 *
5 * Authors:
6 * Dingqiang Lin <jon.lin@rock-chips.com>
7 */
8
9 #ifndef __UBOOT__
10 #include <linux/device.h>
11 #include <linux/kernel.h>
12 #endif
13 #include <linux/mtd/spinand.h>
14
15 #define SPINAND_MFR_GSTO 0x52
16
17 static SPINAND_OP_VARIANTS(read_cache_variants,
18 SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0),
19 SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),
20 SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0),
21 SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0),
22 SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0),
23 SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0));
24
25 static SPINAND_OP_VARIANTS(write_cache_variants,
26 SPINAND_PROG_LOAD_X4(true, 0, NULL, 0),
27 SPINAND_PROG_LOAD(true, 0, NULL, 0));
28
29 static SPINAND_OP_VARIANTS(update_cache_variants,
30 SPINAND_PROG_LOAD_X4(false, 0, NULL, 0),
31 SPINAND_PROG_LOAD(false, 0, NULL, 0));
32
gss0xgsak1_ooblayout_ecc(struct mtd_info * mtd,int section,struct mtd_oob_region * region)33 static int gss0xgsak1_ooblayout_ecc(struct mtd_info *mtd, int section,
34 struct mtd_oob_region *region)
35 {
36 if (section)
37 return -ERANGE;
38
39 region->offset = 32;
40 region->length = 32;
41
42 return 0;
43 }
44
gss0xgsak1_ooblayout_free(struct mtd_info * mtd,int section,struct mtd_oob_region * region)45 static int gss0xgsak1_ooblayout_free(struct mtd_info *mtd, int section,
46 struct mtd_oob_region *region)
47 {
48 if (section)
49 return -ERANGE;
50
51 region->offset = 2;
52 region->length = 30;
53
54 return 0;
55 }
56
57 static const struct mtd_ooblayout_ops gss0xgsak1_ooblayout = {
58 .ecc = gss0xgsak1_ooblayout_ecc,
59 .rfree = gss0xgsak1_ooblayout_free,
60 };
61
gss0xgsax1_ooblayout_ecc(struct mtd_info * mtd,int section,struct mtd_oob_region * region)62 static int gss0xgsax1_ooblayout_ecc(struct mtd_info *mtd, int section,
63 struct mtd_oob_region *region)
64 {
65 if (section)
66 return -ERANGE;
67
68 region->offset = 64;
69 region->length = 64;
70
71 return 0;
72 }
73
gss0xgsax1_ooblayout_free(struct mtd_info * mtd,int section,struct mtd_oob_region * region)74 static int gss0xgsax1_ooblayout_free(struct mtd_info *mtd, int section,
75 struct mtd_oob_region *region)
76 {
77 if (section)
78 return -ERANGE;
79
80 region->offset = 2;
81 region->length = 62;
82
83 return 0;
84 }
85
86 static const struct mtd_ooblayout_ops gss0xgsax1_ooblayout = {
87 .ecc = gss0xgsax1_ooblayout_ecc,
88 .rfree = gss0xgsax1_ooblayout_free,
89 };
90
91 static const struct spinand_info gsto_spinand_table[] = {
92 SPINAND_INFO("GSS01GSAK1",
93 SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xBA, 0x13),
94 NAND_MEMORG(1, 2048, 64, 64, 1024, 1, 1, 1),
95 NAND_ECCREQ(4, 512),
96 SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
97 &write_cache_variants,
98 &update_cache_variants),
99 0,
100 SPINAND_ECCINFO(&gss0xgsak1_ooblayout, NULL)),
101 SPINAND_INFO("GSS02GSAK1",
102 SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xBA, 0x23),
103 NAND_MEMORG(1, 2048, 64, 64, 2048, 1, 1, 1),
104 NAND_ECCREQ(4, 512),
105 SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
106 &write_cache_variants,
107 &update_cache_variants),
108 0,
109 SPINAND_ECCINFO(&gss0xgsax1_ooblayout, NULL)),
110 SPINAND_INFO("GSS02GSAX1",
111 SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xCA, 0x23),
112 NAND_MEMORG(1, 2048, 128, 64, 2048, 1, 1, 1),
113 NAND_ECCREQ(8, 512),
114 SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
115 &write_cache_variants,
116 &update_cache_variants),
117 0,
118 SPINAND_ECCINFO(&gss0xgsax1_ooblayout, NULL)),
119 SPINAND_INFO("GSS01GSAX1",
120 SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xCA, 0x13),
121 NAND_MEMORG(1, 2048, 128, 64, 1024, 1, 1, 1),
122 NAND_ECCREQ(8, 512),
123 SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
124 &write_cache_variants,
125 &update_cache_variants),
126 0,
127 SPINAND_ECCINFO(&gss0xgsax1_ooblayout, NULL)),
128 SPINAND_INFO("GSS01GSBX1",
129 SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xCB, 0x13),
130 NAND_MEMORG(1, 2048, 128, 64, 1024, 1, 1, 1),
131 NAND_ECCREQ(8, 512),
132 SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
133 &write_cache_variants,
134 &update_cache_variants),
135 0,
136 SPINAND_ECCINFO(&gss0xgsax1_ooblayout, NULL)),
137 };
138
139 static const struct spinand_manufacturer_ops gsto_spinand_manuf_ops = {
140 };
141
142 const struct spinand_manufacturer gsto_spinand_manufacturer = {
143 .id = SPINAND_MFR_GSTO,
144 .name = "GSTO",
145 .chips = gsto_spinand_table,
146 .nchips = ARRAY_SIZE(gsto_spinand_table),
147 .ops = &gsto_spinand_manuf_ops,
148 };
149