+/*
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ *
+ * Parts shamelesly stolen from Linux Kernel source tree.
+ *
+ * ------------------------------------------------------------
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#ifndef _NAND_DEFS_H_
+#define _NAND_DEFS_H_
+
+#include <asm/arch/hardware.h>
+
+#ifdef CONFIG_SOC_DM646X
+#define MASK_CLE 0x80000
+#define MASK_ALE 0x40000
+#else
+#define MASK_CLE 0x10
+#define MASK_ALE 0x08
+#endif
+
+#ifdef CONFIG_SYS_NAND_MASK_CLE
+#undef MASK_CLE
+#define MASK_CLE CONFIG_SYS_NAND_MASK_CLE
+#endif
+#ifdef CONFIG_SYS_NAND_MASK_ALE
+#undef MASK_ALE
+#define MASK_ALE CONFIG_SYS_NAND_MASK_ALE
+#endif
+
+#define NAND_READ_START 0x00
+#define NAND_READ_END 0x30
+#define NAND_STATUS 0x70
+
+extern void davinci_nand_init(struct nand_chip *nand);
+
+#endif