xref: /openbmc/u-boot/include/ubi_uboot.h (revision ea818dbb)
1 /*
2  * Header file for UBI 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_UBI_H
15 #define __UBOOT_UBI_H
16 
17 #include <common.h>
18 #include <compiler.h>
19 #include <malloc.h>
20 #include <div64.h>
21 #include <linux/crc32.h>
22 #include <linux/types.h>
23 #include <linux/list.h>
24 #include <linux/rbtree.h>
25 #include <linux/string.h>
26 #include <linux/mtd/mtd.h>
27 #include <linux/mtd/ubi.h>
28 
29 #ifdef CONFIG_CMD_ONENAND
30 #include <onenand_uboot.h>
31 #endif
32 
33 #include <asm/errno.h>
34 
35 #define DPRINTK(format, args...)					\
36 do {									\
37 	printf("%s[%d]: " format "\n", __func__, __LINE__, ##args);	\
38 } while (0)
39 
40 /* configurable */
41 #define CONFIG_MTD_UBI_WL_THRESHOLD	4096
42 #define CONFIG_MTD_UBI_BEB_RESERVE	1
43 #define UBI_IO_DEBUG			0
44 
45 /* debug options (Linux: drivers/mtd/ubi/Kconfig.debug) */
46 #undef CONFIG_MTD_UBI_DEBUG
47 #undef CONFIG_MTD_UBI_DEBUG_PARANOID
48 #undef CONFIG_MTD_UBI_DEBUG_MSG
49 #undef CONFIG_MTD_UBI_DEBUG_MSG_EBA
50 #undef CONFIG_MTD_UBI_DEBUG_MSG_WL
51 #undef CONFIG_MTD_UBI_DEBUG_MSG_IO
52 #undef CONFIG_MTD_UBI_DEBUG_MSG_BLD
53 #define CONFIG_MTD_UBI_DEBUG_DISABLE_BGT
54 
55 /* build.c */
56 #define get_device(...)
57 #define put_device(...)
58 #define ubi_sysfs_init(...)		0
59 #define ubi_sysfs_close(...)		do { } while (0)
60 static inline int is_power_of_2(unsigned long n)
61 {
62 	return (n != 0 && ((n & (n - 1)) == 0));
63 }
64 
65 /* FIXME */
66 #define MKDEV(...)			0
67 #define MAJOR(dev)			0
68 #define MINOR(dev)			0
69 
70 #define alloc_chrdev_region(...)	0
71 #define unregister_chrdev_region(...)
72 
73 #define class_create(...)		__builtin_return_address(0)
74 #define class_create_file(...)		0
75 #define class_remove_file(...)
76 #define class_destroy(...)
77 #define misc_register(...)		0
78 #define misc_deregister(...)
79 
80 /* vmt.c */
81 #define device_register(...)		0
82 #define volume_sysfs_init(...)		0
83 #define volume_sysfs_close(...)		do { } while (0)
84 
85 /* kapi.c */
86 
87 /* eba.c */
88 
89 /* io.c */
90 #define init_waitqueue_head(...)	do { } while (0)
91 #define wait_event_interruptible(...)	0
92 #define wake_up_interruptible(...)	do { } while (0)
93 #define print_hex_dump(...)		do { } while (0)
94 #define dump_stack(...)			do { } while (0)
95 
96 /* wl.c */
97 #define task_pid_nr(x)			0
98 #define set_freezable(...)		do { } while (0)
99 #define try_to_freeze(...)		0
100 #define set_current_state(...)		do { } while (0)
101 #define kthread_should_stop(...)	0
102 #define schedule()			do { } while (0)
103 
104 /* upd.c */
105 static inline unsigned long copy_from_user(void *dest, const void *src,
106 					   unsigned long count)
107 {
108 	memcpy((void *)dest, (void *)src, count);
109 	return 0;
110 }
111 
112 /* common */
113 typedef int	spinlock_t;
114 typedef int	wait_queue_head_t;
115 #define spin_lock_init(...)
116 #define spin_lock(...)
117 #define spin_unlock(...)
118 
119 #define mutex_init(...)
120 #define mutex_lock(...)
121 #define mutex_unlock(...)
122 
123 #define init_rwsem(...)			do { } while (0)
124 #define down_read(...)			do { } while (0)
125 #define down_write(...)			do { } while (0)
126 #define down_write_trylock(...)		1
127 #define up_read(...)			do { } while (0)
128 #define up_write(...)			do { } while (0)
129 
130 struct kmem_cache { int i; };
131 #define kmem_cache_create(...)		1
132 #define kmem_cache_alloc(obj, gfp)	malloc(sizeof(struct ubi_wl_entry))
133 #define kmem_cache_free(obj, size)	free(size)
134 #define kmem_cache_destroy(...)
135 
136 #define cond_resched()			do { } while (0)
137 #define yield()				do { } while (0)
138 
139 #define KERN_WARNING
140 #define KERN_ERR
141 #define KERN_NOTICE
142 #define KERN_DEBUG
143 
144 #define GFP_KERNEL			0
145 #define GFP_NOFS			1
146 
147 #define __user
148 #define __init
149 #define __exit
150 
151 #define kthread_create(...)	__builtin_return_address(0)
152 #define kthread_stop(...)	do { } while (0)
153 #define wake_up_process(...)	do { } while (0)
154 
155 #define BUS_ID_SIZE		20
156 
157 struct rw_semaphore { int i; };
158 struct device {
159 	struct device		*parent;
160 	struct class		*class;
161 	char	bus_id[BUS_ID_SIZE];	/* position on parent bus */
162 	dev_t			devt;	/* dev_t, creates the sysfs "dev" */
163 	void	(*release)(struct device *dev);
164 };
165 struct mutex { int i; };
166 struct kernel_param { int i; };
167 
168 struct cdev {
169 	int owner;
170 	dev_t dev;
171 };
172 #define cdev_init(...)		do { } while (0)
173 #define cdev_add(...)		0
174 #define cdev_del(...)		do { } while (0)
175 
176 #define MAX_ERRNO		4095
177 #define IS_ERR_VALUE(x)		((x) >= (unsigned long)-MAX_ERRNO)
178 
179 static inline void *ERR_PTR(long error)
180 {
181 	return (void *) error;
182 }
183 
184 static inline long PTR_ERR(const void *ptr)
185 {
186 	return (long) ptr;
187 }
188 
189 static inline long IS_ERR(const void *ptr)
190 {
191 	return IS_ERR_VALUE((unsigned long)ptr);
192 }
193 
194 /* module */
195 #define THIS_MODULE		0
196 #define try_module_get(...)	1
197 #define module_put(...)		do { } while (0)
198 #define module_init(...)
199 #define module_exit(...)
200 #define EXPORT_SYMBOL(...)
201 #define EXPORT_SYMBOL_GPL(...)
202 #define module_param_call(...)
203 #define MODULE_PARM_DESC(...)
204 #define MODULE_VERSION(...)
205 #define MODULE_DESCRIPTION(...)
206 #define MODULE_AUTHOR(...)
207 #define MODULE_LICENSE(...)
208 
209 #ifndef __UBIFS_H__
210 #include "../drivers/mtd/ubi/ubi.h"
211 #endif
212 
213 /* functions */
214 extern int ubi_mtd_param_parse(const char *val, struct kernel_param *kp);
215 extern int ubi_init(void);
216 extern void ubi_exit(void);
217 extern int ubi_part(char *part_name, const char *vid_header_offset);
218 extern int ubi_volume_write(char *volume, void *buf, size_t size);
219 extern int ubi_volume_read(char *volume, char *buf, size_t size);
220 
221 extern struct ubi_device *ubi_devices[];
222 
223 #endif
224