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