Initial import of NFC GNSS SDK project

2026-09-15 16:10:12 +08:00
commit 2746cc3d4e
3070 changed files with 892062 additions and 0 deletions
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+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Author:
+ *	Chuanhong Guo <gch981213@gmail.com>
+ */
+
+#include "spinand.h"
+#include "common.h"
+
+#define SPINAND_MFR_DOSILICON     0XE5
+
+extern int spinand_disable_ecc(struct spinand_device * spinand);
+extern int spinand_select_target(struct spinand_device *spinand, unsigned int target);
+
+static int dosilicon_check_ecc(unsigned char val)
+{
+    if ((val & (1 << 5)) != 0 && (val & (1 << 4)) == 0)
+        return 1;
+    else
+        return 0;
+}
+
+static const struct spinand_info dosilicon_spinand_table[] = {
+    SPINAND_INFO("DS35M12C-IBR",
+                 SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x25),
+                 NAND_MEMORG(1, 2048, 128, 64, 512, 10, 1, 1, 1),
+                 NAND_ECCREQ(8, 512, 1)),
+};
+
+static int dosilicon_spinand_init(struct spinand_device *spinand)
+{
+    struct nand_device *nand = spinand_to_nand(spinand);
+    unsigned int i = 0;
+
+    for (i = 0; i < nand->memorg.ntargets; i++) {
+        spinand_select_target(spinand, i);
+        /* Special initialization of Vendor */
+        
+        /* Enable ECC */
+        spinand_disable_ecc(spinand);
+    }
+
+    return 0;
+}
+
+static const struct spinand_manufacturer_ops dosilicon_spinand_manuf_ops = {
+    .init = dosilicon_spinand_init,
+    .check_ecc = dosilicon_check_ecc,
+};
+
+const struct spinand_manufacturer dosilicon_spinand_manufacturer = {
+    .id = SPINAND_MFR_DOSILICON,
+    .name = "DOSILICON",
+    .chips = dosilicon_spinand_table,
+    .nchips = ARRAY_SIZE(dosilicon_spinand_table),
+    .ops = &dosilicon_spinand_manuf_ops,
+};