| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 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 void 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 | /* S3C64xx */ |
| 52 | extern void s3c64xx_onenand_init(struct mtd_info *); |
| 53 | extern void s3c64xx_set_width_regs(struct onenand_chip *); |
| 54 | |
| 55 | #endif /* __UBOOT_ONENAND_H */ |