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 <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
 218 extern struct ubi_device *ubi_devices[];
 219
 220 #endif