From 7e6ee7ad27de5216db1baef76f38c3429c8f4a2a Mon Sep 17 00:00:00 2001 From: Kyungmin Park Date: Wed, 19 Nov 2008 16:32:36 +0100 Subject: UBI: Add basic UBI support to U-Boot (Part 6/8) This patch adds basic UBI (Unsorted Block Image) support to U-Boot. It's based on the Linux UBI version and basically has a "OS" translation wrapper that defines most Linux specific calls (spin_lock() etc.) into no-ops. Some source code parts have been uncommented by "#ifdef UBI_LINUX". This makes it easier to compare this version with the Linux version and simplifies future UBI ports/bug-fixes from the Linux version. Signed-off-by: Kyungmin Park Signed-off-by: Stefan Roese --- include/ubi_uboot.h | 217 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 217 insertions(+) create mode 100644 include/ubi_uboot.h (limited to 'include/ubi_uboot.h') diff --git a/include/ubi_uboot.h b/include/ubi_uboot.h new file mode 100644 index 0000000000..295f2c0ffc --- /dev/null +++ b/include/ubi_uboot.h @@ -0,0 +1,217 @@ +/* + * Header file for UBI support for U-Boot + * + * Adaptation from kernel to U-Boot + * + * Copyright (C) 2005-2007 Samsung Electronics + * Kyungmin Park + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __UBOOT_UBI_H +#define __UBOOT_UBI_H + +#include +#include +#include +#include +#include + +#ifdef CONFIG_CMD_ONENAND +#include +#endif + +#include + +#define DPRINTK(format, args...) \ +do { \ + printf("%s[%d]: " format "\n", __func__, __LINE__, ##args); \ +} while (0) + +/* configurable */ +#define CONFIG_MTD_UBI_WL_THRESHOLD 4096 +#define CONFIG_MTD_UBI_BEB_RESERVE 1 +#define UBI_IO_DEBUG 0 + +/* debug options (Linux: drivers/mtd/ubi/Kconfig.debug) */ +#undef CONFIG_MTD_UBI_DEBUG +#undef CONFIG_MTD_UBI_DEBUG_PARANOID +#undef CONFIG_MTD_UBI_DEBUG_MSG +#undef CONFIG_MTD_UBI_DEBUG_MSG_EBA +#undef CONFIG_MTD_UBI_DEBUG_MSG_WL +#undef CONFIG_MTD_UBI_DEBUG_MSG_IO +#undef CONFIG_MTD_UBI_DEBUG_MSG_BLD +#define CONFIG_MTD_UBI_DEBUG_DISABLE_BGT + +/* compiler options */ +#define uninitialized_var(x) x = x + +/* build.c */ +#define get_device(...) +#define put_device(...) +#define ubi_sysfs_init(...) 0 +#define ubi_sysfs_close(...) do { } while (0) +static inline int is_power_of_2(unsigned long n) +{ + return (n != 0 && ((n & (n - 1)) == 0)); +} + +/* FIXME */ +#define MKDEV(...) 0 +#define MAJOR(dev) 0 +#define MINOR(dev) 0 + +#define alloc_chrdev_region(...) 0 +#define unregister_chrdev_region(...) + +#define class_create(...) __builtin_return_address(0) +#define class_create_file(...) 0 +#define class_remove_file(...) +#define class_destroy(...) +#define misc_register(...) 0 +#define misc_deregister(...) + +/* vmt.c */ +#define device_register(...) 0 +#define volume_sysfs_init(...) 0 +#define volume_sysfs_close(...) do { } while (0) + +/* kapi.c */ + +/* eba.c */ + +/* io.c */ +#define init_waitqueue_head(...) do { } while (0) +#define wait_event_interruptible(...) 0 +#define wake_up_interruptible(...) do { } while (0) +#define print_hex_dump(...) do { } while (0) +#define dump_stack(...) do { } while (0) + +/* wl.c */ +#define task_pid_nr(x) 0 +#define set_freezable(...) do { } while (0) +#define try_to_freeze(...) 0 +#define set_current_state(...) do { } while (0) +#define kthread_should_stop(...) 0 +#define schedule() do { } while (0) + +/* upd.c */ +static inline unsigned long copy_from_user(void *dest, const void *src, + unsigned long count) +{ + memcpy((void *)dest, (void *)src, count); + return 0; +} + +/* common */ +typedef int spinlock_t; +typedef int wait_queue_head_t; +#define spin_lock_init(...) +#define spin_lock(...) +#define spin_unlock(...) + +#define mutex_init(...) +#define mutex_lock(...) +#define mutex_unlock(...) + +#define init_rwsem(...) do { } while (0) +#define down_read(...) do { } while (0) +#define down_write(...) do { } while (0) +#define down_write_trylock(...) 0 +#define up_read(...) do { } while (0) +#define up_write(...) do { } while (0) + +struct kmem_cache { int i; }; +#define kmem_cache_create(...) 1 +#define kmem_cache_alloc(obj, gfp) malloc(sizeof(struct ubi_wl_entry)) +#define kmem_cache_free(obj, size) free(size) +#define kmem_cache_destroy(...) + +#define cond_resched() do { } while (0) +#define yield() do { } while (0) + +#define KERN_WARNING +#define KERN_ERR +#define KERN_NOTICE +#define KERN_DEBUG + +#define GFP_KERNEL 0 +#define GFP_NOFS 1 + +#define __user +#define __init +#define __exit + +#define kthread_create(...) __builtin_return_address(0) +#define kthread_stop(...) do { } while (0) +#define wake_up_process(...) do { } while (0) + +#define BUS_ID_SIZE 20 + +struct rw_semaphore { int i; }; +struct device { + struct device *parent; + struct class *class; + char bus_id[BUS_ID_SIZE]; /* position on parent bus */ + dev_t devt; /* dev_t, creates the sysfs "dev" */ + void (*release)(struct device *dev); +}; +struct mutex { int i; }; +struct kernel_param { int i; }; + +struct cdev { + int owner; + dev_t dev; +}; +#define cdev_init(...) do { } while (0) +#define cdev_add(...) 0 +#define cdev_del(...) do { } while (0) + +#define MAX_ERRNO 4095 +#define IS_ERR_VALUE(x) ((x) >= (unsigned long)-MAX_ERRNO) + +static inline void *ERR_PTR(long error) +{ + return (void *) error; +} + +static inline long PTR_ERR(const void *ptr) +{ + return (long) ptr; +} + +static inline long IS_ERR(const void *ptr) +{ + return IS_ERR_VALUE((unsigned long)ptr); +} + +/* Force a compilation error if condition is true */ +#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)])) + +/* module */ +#define THIS_MODULE 0 +#define try_module_get(...) 0 +#define module_put(...) do { } while (0) +#define module_init(...) +#define module_exit(...) +#define EXPORT_SYMBOL(...) +#define EXPORT_SYMBOL_GPL(...) +#define module_param_call(...) +#define MODULE_PARM_DESC(...) +#define MODULE_VERSION(...) +#define MODULE_DESCRIPTION(...) +#define MODULE_AUTHOR(...) +#define MODULE_LICENSE(...) + +#include "../drivers/mtd/ubi/ubi.h" + +/* functions */ +extern int ubi_mtd_param_parse(const char *val, struct kernel_param *kp); +extern int ubi_init(void); + +extern struct ubi_device *ubi_devices[]; + +#endif -- cgit v1.2.1