diff -drupN a/include/linux/mtd/aw-spinand-nftl.h b/include/linux/mtd/aw-spinand-nftl.h
--- a/include/linux/mtd/aw-spinand-nftl.h	1970-01-01 03:00:00.000000000 +0300
+++ b/include/linux/mtd/aw-spinand-nftl.h	2022-06-12 05:28:14.000000000 +0300
@@ -0,0 +1,55 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef __AW_SPINAND_NFTL_H__
+#define __AW_SPINAND_NFTL_H__
+
+#include <linux/sunxi-boot.h>
+
+#define AW_NFTL_OOB_LEN (16)
+
+enum AW_NFTL_ECC_STATUS {
+	AW_NFTL_ECC_ERR = -2,
+	AW_NFTL_ECC_LIMIT = 10
+};
+
+
+unsigned int spinand_nftl_get_super_page_size(int type);
+unsigned int spinand_nftl_get_super_block_size(int type);
+unsigned int spinand_nftl_get_single_page_size(int type);
+unsigned int spinand_nftl_get_single_block_size(int type);
+unsigned int spinand_nftl_get_chip_size(int type);
+unsigned int spinand_nftl_get_die_size(int type);
+unsigned int spinand_nftl_get_die_cnt(void);
+unsigned int spinand_nftl_get_chip_cnt(void);
+unsigned int spinand_nftl_get_max_erase_times(void);
+unsigned int spinand_nftl_get_multi_plane_flag(void);
+unsigned int spinand_nftl_get_operation_opt(void);
+void spinand_nftl_get_chip_id(unsigned char *id);
+
+int spinand_nftl_read_super_page(unsigned short dienum, unsigned short blocknum,
+		unsigned short pagenum, unsigned short sectorbitmap,
+		void *rmbuf, void *rspare);
+
+int spinand_nftl_write_super_page(unsigned short dienum, unsigned short blocknum,
+		unsigned short pagenum, unsigned short sectorbitmap,
+		void *wmbuf, void *wspare);
+int spinand_nftl_erase_super_block(unsigned short dienum, unsigned short blocknum);
+int spinand_nftl_super_badblock_check(unsigned short dienum, unsigned short blocknum);
+int spinand_nftl_super_badblock_mark(unsigned short dienum, unsigned short blocknum);
+
+int spinand_nftl_read_single_page(unsigned short dienum, unsigned short blocknum,
+		unsigned short pagenum, unsigned short sectorbitmap,
+		void *rmbuf, void *rspare);
+
+int spinand_nftl_write_single_page(unsigned short dienum, unsigned short blocknum,
+		unsigned short pagenum, unsigned short sectorbitmap,
+		void *wmbuf, void *wspare);
+int spinand_nftl_erase_single_block(unsigned short dienum, unsigned short blocknum);
+
+int spinand_nftl_single_block_copy(unsigned int from_chip,
+		unsigned int from_block, unsigned int to_chip,
+		unsigned int to_block);
+int spinand_nftl_single_badblock_check(unsigned short chipnum, unsigned short blocknum);
+int spinand_nftl_single_badblock_mark(unsigned short chipnum, unsigned short blocknum);
+
+#endif /*AW_SPINAND_NFTL_H*/