include/ubi_uboot.h

   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