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)
is_power_of_2(unsigned long n)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 */
copy_from_user(void * dest,const void * src,unsigned long count)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
ERR_PTR(long error)179 static inline void *ERR_PTR(long error)
180 {
181 return (void *) error;
182 }
183
PTR_ERR(const void * ptr)184 static inline long PTR_ERR(const void *ptr)
185 {
186 return (long) ptr;
187 }
188
IS_ERR(const void * ptr)189 static inline long IS_ERR(const void *ptr)
190 {
191 return IS_ERR_VALUE((unsigned long)ptr);
192 }
193
194 /* Force a compilation error if condition is true */
195 #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
196
197 /* module */
198 #define THIS_MODULE 0
199 #define try_module_get(...) 1
200 #define module_put(...) do { } while (0)
201 #define module_init(...)
202 #define module_exit(...)
203 #define EXPORT_SYMBOL(...)
204 #define EXPORT_SYMBOL_GPL(...)
205 #define module_param_call(...)
206 #define MODULE_PARM_DESC(...)
207 #define MODULE_VERSION(...)
208 #define MODULE_DESCRIPTION(...)
209 #define MODULE_AUTHOR(...)
210 #define MODULE_LICENSE(...)
211
212 #ifndef __UBIFS_H__
213 #include "../drivers/mtd/ubi/ubi.h"
214 #endif
215
216 /* functions */
217 extern int ubi_mtd_param_parse(const char *val, struct kernel_param *kp);
218 extern int ubi_init(void);
219 extern void ubi_exit(void);
220
221 extern struct ubi_device *ubi_devices[];
222
223 #endif
224