forked from ~ljy/RK356X_SDK_RELEASE
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hc
2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87 
 kernel/drivers/mtd/nand/spi/winbond.c
....@@ -14,6 +14,7 @@
1414 #define SPINAND_MFR_WINBOND		0xEF
1515 
1616 #define WINBOND_CFG_BUF_READ		BIT(3)
17
+#define WINBOND_STATUS_ECC_HAS_BITFLIPS_T	(3 << 4)
1718 
1819 static SPINAND_OP_VARIANTS(read_cache_variants,
1920 		SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0),
....@@ -74,9 +75,63 @@
7475 	return spi_mem_exec_op(spinand->spimem, &op);
7576 }
7677 
78
+static int w25n02kv_ooblayout_ecc(struct mtd_info *mtd, int section,
79
+				  struct mtd_oob_region *region)
80
+{
81
+	if (section)
82
+		return -ERANGE;
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+
84
+	region->offset = 64;
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+	region->length = 64;
86
+
87
+	return 0;
88
+}
89
+
90
+static int w25n02kv_ooblayout_free(struct mtd_info *mtd, int section,
91
+				   struct mtd_oob_region *region)
92
+{
93
+	if (section)
94
+		return -ERANGE;
95
+
96
+	/* Reserve 2 bytes for the BBM. */
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+	region->offset = 2;
98
+	region->length = 62;
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+
100
+	return 0;
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+}
102
+
103
+static const struct mtd_ooblayout_ops w25n02kv_ooblayout = {
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+	.ecc = w25n02kv_ooblayout_ecc,
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+	.free = w25n02kv_ooblayout_free,
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+};
107
+
108
+static int w25n02kv_ecc_get_status(struct spinand_device *spinand,
109
+				   u8 status)
110
+{
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+	struct nand_device *nand = spinand_to_nand(spinand);
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+
113
+	switch (status & STATUS_ECC_MASK) {
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+	case STATUS_ECC_NO_BITFLIPS:
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+		return 0;
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+
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+	case STATUS_ECC_UNCOR_ERROR:
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+		return -EBADMSG;
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+
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+	case STATUS_ECC_HAS_BITFLIPS:
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+		return 1;
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+
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+	default:
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+		return nanddev_get_ecc_requirements(nand)->strength;
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+	}
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+
127
+	return -EINVAL;
128
+}
129
+
130
+
77131 static const struct spinand_info winbond_spinand_table[] = {
78
-	SPINAND_INFO("W25M02GV", 0xAB,
79
-		     NAND_MEMORG(1, 2048, 64, 64, 1024, 1, 1, 2),
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+	SPINAND_INFO("W25M02GV",
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+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xab),
134
+		     NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 2),
80135 		     NAND_ECCREQ(1, 512),
81136 		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
82137 					      &write_cache_variants,
....@@ -84,32 +139,77 @@
84139 		     0,
85140 		     SPINAND_ECCINFO(&w25m02gv_ooblayout, NULL),
86141 		     SPINAND_SELECT_TARGET(w25m02gv_select_target)),
142
+	SPINAND_INFO("W25N512GV",
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+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xAA, 0x20),
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+		     NAND_MEMORG(1, 2048, 64, 64, 512, 10, 1, 1, 1),
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+		     NAND_ECCREQ(1, 512),
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+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
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+					      &write_cache_variants,
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+					      &update_cache_variants),
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+		     0,
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+		     SPINAND_ECCINFO(&w25m02gv_ooblayout, NULL),
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+		     SPINAND_SELECT_TARGET(w25m02gv_select_target)),
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+	SPINAND_INFO("W25N01GV",
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+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xAA, 0x21),
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+		     NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),
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+		     NAND_ECCREQ(1, 512),
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+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
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+					      &write_cache_variants,
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+					      &update_cache_variants),
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+		     0,
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+		     SPINAND_ECCINFO(&w25m02gv_ooblayout, NULL),
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+		     SPINAND_SELECT_TARGET(w25m02gv_select_target)),
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+	SPINAND_INFO("W25N02KV",
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+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xAA, 0x22),
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+		     NAND_MEMORG(1, 2048, 128, 64, 2048, 20, 1, 1, 1),
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+		     NAND_ECCREQ(8, 512),
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+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
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+					      &write_cache_variants,
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+					      &update_cache_variants),
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+		     0,
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+		     SPINAND_ECCINFO(&w25n02kv_ooblayout,
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+				     w25n02kv_ecc_get_status)),
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+	SPINAND_INFO("W25N04KV",
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+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xAA, 0x23),
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+		     NAND_MEMORG(1, 2048, 128, 64, 4096, 40, 1, 1, 1),
175
+		     NAND_ECCREQ(8, 512),
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+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
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+					      &write_cache_variants,
178
+					      &update_cache_variants),
179
+		     0,
180
+		     SPINAND_ECCINFO(&w25n02kv_ooblayout,
181
+				     w25n02kv_ecc_get_status)),
182
+	SPINAND_INFO("W25N01GW",
183
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xBA, 0x21),
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+		     NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),
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+		     NAND_ECCREQ(1, 512),
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+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
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+					      &write_cache_variants,
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+					      &update_cache_variants),
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+		     0,
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+		     SPINAND_ECCINFO(&w25m02gv_ooblayout, NULL),
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+		     SPINAND_SELECT_TARGET(w25m02gv_select_target)),
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+	SPINAND_INFO("W25N02KW",
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+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xBA, 0x22),
194
+		     NAND_MEMORG(1, 2048, 128, 64, 2048, 20, 1, 1, 1),
195
+		     NAND_ECCREQ(8, 512),
196
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
197
+					      &write_cache_variants,
198
+					      &update_cache_variants),
199
+		     0,
200
+		     SPINAND_ECCINFO(&w25n02kv_ooblayout,
201
+				     w25n02kv_ecc_get_status)),
202
+	SPINAND_INFO("W25N01KV",
203
+		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xAE, 0x21),
204
+		     NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1),
205
+		     NAND_ECCREQ(4, 512),
206
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
207
+					      &write_cache_variants,
208
+					      &update_cache_variants),
209
+		     0,
210
+		     SPINAND_ECCINFO(&w25n02kv_ooblayout,
211
+				     w25n02kv_ecc_get_status)),
87212 };
88
-
89
-/**
90
- * winbond_spinand_detect - initialize device related part in spinand_device
91
- * struct if it is a Winbond device.
92
- * @spinand: SPI NAND device structure
93
- */
94
-static int winbond_spinand_detect(struct spinand_device *spinand)
95
-{
96
-	u8 *id = spinand->id.data;
97
-	int ret;
98
-
99
-	/*
100
-	 * Winbond SPI NAND read ID need a dummy byte,
101
-	 * so the first byte in raw_id is dummy.
102
-	 */
103
-	if (id[1] != SPINAND_MFR_WINBOND)
104
-		return 0;
105
-
106
-	ret = spinand_match_and_init(spinand, winbond_spinand_table,
107
-				     ARRAY_SIZE(winbond_spinand_table), id[2]);
108
-	if (ret)
109
-		return ret;
110
-
111
-	return 1;
112
-}
113213 
114214 static int winbond_spinand_init(struct spinand_device *spinand)
115215 {
....@@ -130,12 +230,13 @@
130230 }
131231 
132232 static const struct spinand_manufacturer_ops winbond_spinand_manuf_ops = {
133
-	.detect = winbond_spinand_detect,
134233 	.init = winbond_spinand_init,
135234 };
136235 
137236 const struct spinand_manufacturer winbond_spinand_manufacturer = {
138237 	.id = SPINAND_MFR_WINBOND,
139238 	.name = "Winbond",
239
+	.chips = winbond_spinand_table,
240
+	.nchips = ARRAY_SIZE(winbond_spinand_table),
140241 	.ops = &winbond_spinand_manuf_ops,
141242 };