xref: /openbmc/u-boot/include/ubi_uboot.h (revision 33b1d3f4)
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 <malloc.h>
19 #include <div64.h>
20 #include <linux/crc32.h>
21 #include <linux/types.h>
22 #include <linux/list.h>
23 #include <linux/rbtree.h>
24 #include <linux/string.h>
25 #include <linux/mtd/mtd.h>
26 #include <linux/mtd/ubi.h>
27 
28 #ifdef CONFIG_CMD_ONENAND
29 #include <onenand_uboot.h>
30 #endif
31 
32 #include <asm/errno.h>
33 
34 #define DPRINTK(format, args...)					\
35 do {									\
36 	printf("%s[%d]: " format "\n", __func__, __LINE__, ##args);	\
37 } while (0)
38 
39 /* configurable */
40 #define CONFIG_MTD_UBI_WL_THRESHOLD	4096
41 #define CONFIG_MTD_UBI_BEB_RESERVE	1
42 #define UBI_IO_DEBUG			0
43 
44 /* debug options (Linux: drivers/mtd/ubi/Kconfig.debug) */
45 #undef CONFIG_MTD_UBI_DEBUG
46 #undef CONFIG_MTD_UBI_DEBUG_PARANOID
47 #undef CONFIG_MTD_UBI_DEBUG_MSG
48 #undef CONFIG_MTD_UBI_DEBUG_MSG_EBA
49 #undef CONFIG_MTD_UBI_DEBUG_MSG_WL
50 #undef CONFIG_MTD_UBI_DEBUG_MSG_IO
51 #undef CONFIG_MTD_UBI_DEBUG_MSG_BLD
52 #define CONFIG_MTD_UBI_DEBUG_DISABLE_BGT
53 
54 /* compiler options */
55 #define uninitialized_var(x)		x = x
56 
57 /* build.c */
58 #define get_device(...)
59 #define put_device(...)
60 #define ubi_sysfs_init(...)		0
61 #define ubi_sysfs_close(...)		do { } while (0)
62 static inline int is_power_of_2(unsigned long n)
63 {
64 	return (n != 0 && ((n & (n - 1)) == 0));
65 }
66 
67 /* FIXME */
68 #define MKDEV(...)			0
69 #define MAJOR(dev)			0
70 #define MINOR(dev)			0
71 
72 #define alloc_chrdev_region(...)	0
73 #define unregister_chrdev_region(...)
74 
75 #define class_create(...)		__builtin_return_address(0)
76 #define class_create_file(...)		0
77 #define class_remove_file(...)
78 #define class_destroy(...)
79 #define misc_register(...)		0
80 #define misc_deregister(...)
81 
82 /* vmt.c */
83 #define device_register(...)		0
84 #define volume_sysfs_init(...)		0
85 #define volume_sysfs_close(...)		do { } while (0)
86 
87 /* kapi.c */
88 
89 /* eba.c */
90 
91 /* io.c */
92 #define init_waitqueue_head(...)	do { } while (0)
93 #define wait_event_interruptible(...)	0
94 #define wake_up_interruptible(...)	do { } while (0)
95 #define print_hex_dump(...)		do { } while (0)
96 #define dump_stack(...)			do { } while (0)
97 
98 /* wl.c */
99 #define task_pid_nr(x)			0
100 #define set_freezable(...)		do { } while (0)
101 #define try_to_freeze(...)		0
102 #define set_current_state(...)		do { } while (0)
103 #define kthread_should_stop(...)	0
104 #define schedule()			do { } while (0)
105 
106 /* upd.c */
107 static inline unsigned long copy_from_user(void *dest, const void *src,
108 					   unsigned long count)
109 {
110 	memcpy((void *)dest, (void *)src, count);
111 	return 0;
112 }
113 
114 /* common */
115 typedef int	spinlock_t;
116 typedef int	wait_queue_head_t;
117 #define spin_lock_init(...)
118 #define spin_lock(...)
119 #define spin_unlock(...)
120 
121 #define mutex_init(...)
122 #define mutex_lock(...)
123 #define mutex_unlock(...)
124 
125 #define init_rwsem(...)			do { } while (0)
126 #define down_read(...)			do { } while (0)
127 #define down_write(...)			do { } while (0)
128 #define down_write_trylock(...)		0
129 #define up_read(...)			do { } while (0)
130 #define up_write(...)			do { } while (0)
131 
132 struct kmem_cache { int i; };
133 #define kmem_cache_create(...)		1
134 #define kmem_cache_alloc(obj, gfp)	malloc(sizeof(struct ubi_wl_entry))
135 #define kmem_cache_free(obj, size)	free(size)
136 #define kmem_cache_destroy(...)
137 
138 #define cond_resched()			do { } while (0)
139 #define yield()				do { } while (0)
140 
141 #define KERN_WARNING
142 #define KERN_ERR
143 #define KERN_NOTICE
144 #define KERN_DEBUG
145 
146 #define GFP_KERNEL			0
147 #define GFP_NOFS			1
148 
149 #define __user
150 #define __init
151 #define __exit
152 
153 #define kthread_create(...)	__builtin_return_address(0)
154 #define kthread_stop(...)	do { } while (0)
155 #define wake_up_process(...)	do { } while (0)
156 
157 #define BUS_ID_SIZE		20
158 
159 struct rw_semaphore { int i; };
160 struct device {
161 	struct device		*parent;
162 	struct class		*class;
163 	char	bus_id[BUS_ID_SIZE];	/* position on parent bus */
164 	dev_t			devt;	/* dev_t, creates the sysfs "dev" */
165 	void	(*release)(struct device *dev);
166 };
167 struct mutex { int i; };
168 struct kernel_param { int i; };
169 
170 struct cdev {
171 	int owner;
172 	dev_t dev;
173 };
174 #define cdev_init(...)		do { } while (0)
175 #define cdev_add(...)		0
176 #define cdev_del(...)		do { } while (0)
177 
178 #define MAX_ERRNO		4095
179 #define IS_ERR_VALUE(x)		((x) >= (unsigned long)-MAX_ERRNO)
180 
181 static inline void *ERR_PTR(long error)
182 {
183 	return (void *) error;
184 }
185 
186 static inline long PTR_ERR(const void *ptr)
187 {
188 	return (long) ptr;
189 }
190 
191 static inline long IS_ERR(const void *ptr)
192 {
193 	return IS_ERR_VALUE((unsigned long)ptr);
194 }
195 
196 /* Force a compilation error if condition is true */
197 #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
198 
199 /* module */
200 #define THIS_MODULE		0
201 #define try_module_get(...)	1
202 #define module_put(...)		do { } while (0)
203 #define module_init(...)
204 #define module_exit(...)
205 #define EXPORT_SYMBOL(...)
206 #define EXPORT_SYMBOL_GPL(...)
207 #define module_param_call(...)
208 #define MODULE_PARM_DESC(...)
209 #define MODULE_VERSION(...)
210 #define MODULE_DESCRIPTION(...)
211 #define MODULE_AUTHOR(...)
212 #define MODULE_LICENSE(...)
213 
214 #ifndef __UBIFS_H__
215 #include "../drivers/mtd/ubi/ubi.h"
216 #endif
217 
218 /* functions */
219 extern int ubi_mtd_param_parse(const char *val, struct kernel_param *kp);
220 extern int ubi_init(void);
221 extern void ubi_exit(void);
222 
223 extern struct ubi_device *ubi_devices[];
224 
225 #endif
226