1d7e8ce10SKyungmin Park /* 2d7e8ce10SKyungmin Park * Header file for OneNAND support for U-Boot 3d7e8ce10SKyungmin Park * 4d7e8ce10SKyungmin Park * Adaptation from kernel to U-Boot 5d7e8ce10SKyungmin Park * 6d7e8ce10SKyungmin Park * Copyright (C) 2005-2007 Samsung Electronics 7d7e8ce10SKyungmin Park * Kyungmin Park <kyungmin.park@samsung.com> 8d7e8ce10SKyungmin Park * 9d7e8ce10SKyungmin Park * This program is free software; you can redistribute it and/or modify 10d7e8ce10SKyungmin Park * it under the terms of the GNU General Public License version 2 as 11d7e8ce10SKyungmin Park * published by the Free Software Foundation. 12d7e8ce10SKyungmin Park */ 13d7e8ce10SKyungmin Park 14d7e8ce10SKyungmin Park #ifndef __UBOOT_ONENAND_H 15d7e8ce10SKyungmin Park #define __UBOOT_ONENAND_H 16d7e8ce10SKyungmin Park 17229c56f0SScott Wood #include <linux/types.h> 18229c56f0SScott Wood 19bd99ec14SRemy Bohmer /* Forward declarations */ 20229c56f0SScott Wood struct mtd_info; 21bd99ec14SRemy Bohmer struct mtd_oob_ops; 22229c56f0SScott Wood struct erase_info; 23ef0921d6SKyungmin Park struct onenand_chip; 24229c56f0SScott Wood 25bfd7f386SKyungmin Park extern struct mtd_info onenand_mtd; 26cacbe919SAmul Kumar Saha extern struct onenand_chip onenand_chip; 27bfd7f386SKyungmin Park 28ef0921d6SKyungmin Park /* board */ 29ef0921d6SKyungmin Park extern void onenand_board_init(struct mtd_info *); 30ef0921d6SKyungmin Park 31d7e8ce10SKyungmin Park /* Functions */ 32d7e8ce10SKyungmin Park extern void onenand_init(void); 33d7e8ce10SKyungmin Park extern int onenand_read(struct mtd_info *mtd, loff_t from, size_t len, 34d7e8ce10SKyungmin Park size_t * retlen, u_char * buf); 35ef0921d6SKyungmin Park extern int onenand_read_oob(struct mtd_info *mtd, loff_t from, struct mtd_oob_ops *ops); 36d7e8ce10SKyungmin Park extern int onenand_write(struct mtd_info *mtd, loff_t from, size_t len, 37d7e8ce10SKyungmin Park size_t * retlen, const u_char * buf); 38d7e8ce10SKyungmin Park extern int onenand_erase(struct mtd_info *mtd, struct erase_info *instr); 39d7e8ce10SKyungmin Park 40ef0921d6SKyungmin Park extern char *onenand_print_device_info(int device, int version); 41d7e8ce10SKyungmin Park 42cacbe919SAmul Kumar Saha extern unsigned onenand_block(struct onenand_chip *this, loff_t addr); 43cacbe919SAmul Kumar Saha 44cacbe919SAmul Kumar Saha extern loff_t onenand_addr(struct onenand_chip *this, int block); 45cacbe919SAmul Kumar Saha 46cacbe919SAmul Kumar Saha extern int flexonenand_region(struct mtd_info *mtd, loff_t addr); 47cacbe919SAmul Kumar Saha 48cacbe919SAmul Kumar Saha extern int flexonenand_set_boundary(struct mtd_info *mtd, int die, 49cacbe919SAmul Kumar Saha int boundary, int lock); 50cacbe919SAmul Kumar Saha 51ef0921d6SKyungmin Park /* S3C64xx */ 52ef0921d6SKyungmin Park extern void s3c64xx_onenand_init(struct mtd_info *); 53ef0921d6SKyungmin Park extern void s3c64xx_set_width_regs(struct onenand_chip *); 54d7e8ce10SKyungmin Park 55*54cd51bfSMarek Vasut /* SPL */ 56*54cd51bfSMarek Vasut void onenand_spl_load_image(uint32_t offs, uint32_t size, void *dst); 57*54cd51bfSMarek Vasut 58d7e8ce10SKyungmin Park #endif /* __UBOOT_ONENAND_H */ 59