1 /* 2 * Header file for OneNAND support for U-Boot 3 * 4 * Adaptation from kernel to U-Boot 5 * 6 * Copyright (C) 2005-2007 Samsung Electronics 7 * Kyungmin Park <kyungmin.park@samsung.com> 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License version 2 as 11 * published by the Free Software Foundation. 12 */ 13 14 #ifndef __UBOOT_ONENAND_H 15 #define __UBOOT_ONENAND_H 16 17 #include <linux/types.h> 18 19 /* Forward declarations */ 20 struct mtd_info; 21 struct mtd_oob_ops; 22 struct erase_info; 23 struct onenand_chip; 24 25 extern struct mtd_info onenand_mtd; 26 extern struct onenand_chip onenand_chip; 27 28 /* board */ 29 extern int onenand_board_init(struct mtd_info *); 30 31 /* Functions */ 32 extern void onenand_init(void); 33 extern int onenand_read(struct mtd_info *mtd, loff_t from, size_t len, 34 size_t * retlen, u_char * buf); 35 extern int onenand_read_oob(struct mtd_info *mtd, loff_t from, struct mtd_oob_ops *ops); 36 extern int onenand_write(struct mtd_info *mtd, loff_t from, size_t len, 37 size_t * retlen, const u_char * buf); 38 extern int onenand_erase(struct mtd_info *mtd, struct erase_info *instr); 39 40 extern char *onenand_print_device_info(int device, int version); 41 42 extern unsigned onenand_block(struct onenand_chip *this, loff_t addr); 43 44 extern loff_t onenand_addr(struct onenand_chip *this, int block); 45 46 extern int flexonenand_region(struct mtd_info *mtd, loff_t addr); 47 48 extern int flexonenand_set_boundary(struct mtd_info *mtd, int die, 49 int boundary, int lock); 50 51 /* SPL */ 52 int onenand_spl_read_block(int block, int offset, int len, void *dst); 53 void onenand_spl_load_image(uint32_t offs, uint32_t size, void *dst); 54 55 #endif /* __UBOOT_ONENAND_H */ 56