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#ifndef __ASM_ARM_SYSTEM_H
#define __ASM_ARM_SYSTEM_H
#include <linux/kernel.h>
#ifdef __KERNEL__
#include <linux/config.h>
/* information about the system we're running on */
extern unsigned int system_rev;
extern unsigned int system_serial_low;
extern unsigned int system_serial_high;
/* The type of machine we're running on */
extern unsigned int __machine_arch_type;
/* see arch/arm/kernel/setup.c for a description of these */
#define MACH_TYPE_EBSA110 0
#define MACH_TYPE_RISCPC 1
#define MACH_TYPE_NEXUSPCI 3
#define MACH_TYPE_EBSA285 4
#define MACH_TYPE_NETWINDER 5
#define MACH_TYPE_CATS 6
#define MACH_TYPE_TBOX 7
#define MACH_TYPE_CO285 8
#define MACH_TYPE_CLPS7110 9
#define MACH_TYPE_ARCHIMEDES 10
#define MACH_TYPE_A5K 11
#define MACH_TYPE_ETOILE 12
#define MACH_TYPE_LACIE_NAS 13
#define MACH_TYPE_CLPS7500 14
#define MACH_TYPE_SHARK 15
#define MACH_TYPE_SA1100 16
#define MACH_TYPE_PERSONAL_SERVER 17
/*
* Sort out a definition for machine_arch_type
* The rules are:
* 1. If one architecture is selected, then all machine_is_xxx()
* are constant.
* 2. If two or more architectures are selected, then the selected
* machine_is_xxx() are variable, and the unselected machine_is_xxx()
* are constant zero.
*
* In general, you should use machine_is_xxxx() in your code, not:
* - switch (machine_arch_type) { }
* - if (machine_arch_type = xxxx)
* - __machine_arch_type
*/
#ifdef CONFIG_ARCH_EBSA110
# ifdef machine_arch_type
# undef machine_arch_type
# define machine_arch_type __machine_arch_type
# else
# define machine_arch_type MACH_TYPE_EBSA110
# endif
# define machine_is_ebsa110() (machine_arch_type == MACH_TYPE_EBSA110)
#else
# define machine_is_ebsa110() (0)
#endif
#ifdef CONFIG_ARCH_RPC
# ifdef machine_arch_type
# undef machine_arch_type
# define machine_arch_type __machine_arch_type
# else
# define machine_arch_type MACH_TYPE_RISCPC
# endif
# define machine_is_riscpc() (machine_arch_type == MACH_TYPE_RISCPC)
#else
# define machine_is_riscpc() (0)
#endif
#ifdef CONFIG_ARCH_EBSA285
# ifdef machine_arch_type
# undef machine_arch_type
# define machine_arch_type __machine_arch_type
# else
# define machine_arch_type MACH_TYPE_EBSA285
# endif
# define machine_is_ebsa285() (machine_arch_type == MACH_TYPE_EBSA285)
#else
# define machine_is_ebsa285() (0)
#endif
#ifdef CONFIG_ARCH_NETWINDER
# ifdef machine_arch_type
# undef machine_arch_type
# define machine_arch_type __machine_arch_type
# else
# define machine_arch_type MACH_TYPE_NETWINDER
# endif
# define machine_is_netwinder() (machine_arch_type == MACH_TYPE_NETWINDER)
#else
# define machine_is_netwinder() (0)
#endif
#ifdef CONFIG_CATS
# ifdef machine_arch_type
# undef machine_arch_type
# define machine_arch_type __machine_arch_type
# else
# define machine_arch_type MACH_TYPE_CATS
# endif
# define machine_is_cats() (machine_arch_type == MACH_TYPE_CATS)
#else
# define machine_is_cats() (0)
#endif
#ifdef CONFIG_ARCH_CO285
# ifdef machine_arch_type
# undef machine_arch_type
# define machine_arch_type __machine_arch_type
# else
# define machine_arch_type MACH_TYPE_CO285
# endif
# define machine_is_co285() (machine_arch_type == MACH_TYPE_CO285)
#else
# define machine_is_co285() (0)
#endif
#ifdef CONFIG_ARCH_ARC
# ifdef machine_arch_type
# undef machine_arch_type
# define machine_arch_type __machine_arch_type
# else
# define machine_arch_type MACH_TYPE_ARCHIMEDES
# endif
# define machine_is_arc() (machine_arch_type == MACH_TYPE_ARCHIMEDES)
#else
# define machine_is_arc() (0)
#endif
#ifdef CONFIG_ARCH_A5K
# ifdef machine_arch_type
# undef machine_arch_type
# define machine_arch_type __machine_arch_type
# else
# define machine_arch_type MACH_TYPE_A5K
# endif
# define machine_is_a5k() (machine_arch_type == MACH_TYPE_A5K)
#else
# define machine_is_a5k() (0)
#endif
#ifdef CONFIG_ARCH_CLPS7500
# ifdef machine_arch_type
# undef machine_arch_type
# define machine_arch_type __machine_arch_type
# else
# define machine_arch_type MACH_TYPE_CLPS7500
# endif
# define machine_is_clps7500() (machine_arch_type == MACH_TYPE_CLPS7500)
#else
# define machine_is_clps7500() (0)
#endif
#ifdef CONFIG_ARCH_SHARK
# ifdef machine_arch_type
# undef machine_arch_type
# define machine_arch_type __machine_arch_type
# else
# define machine_arch_type MACH_TYPE_SHARK
# endif
# define machine_is_shark() (machine_arch_type == MACH_TYPE_SHARK)
#else
# define machine_is_shark() (0)
#endif
#ifdef CONFIG_ARCH_SA1100
# ifdef machine_arch_type
# undef machine_arch_type
# define machine_arch_type __machine_arch_type
# else
# define machine_arch_type MACH_TYPE_SA1100
# endif
# define machine_is_sa1100() (machine_arch_type == MACH_TYPE_SA1100)
#else
# define machine_is_sa1100() (0)
#endif
#ifdef CONFIG_PERSONAL_SERVER
# ifdef machine_arch_type
# undef machine_arch_type
# define machine_arch_type __machine_arch_type
# else
# define machine_arch_type MACH_TYPE_PERSONAL_SERVER
# endif
# define machine_is_personal_server() (machine_arch_type == MACH_TYPE_PERSONAL_SERVER)
#else
# define machine_is_personal_server() (0)
#endif
#ifndef machine_arch_type
#define machine_arch_type __machine_arch_type
#endif
#include <asm/proc-fns.h>
#define xchg(ptr,x) \
((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
#define tas(ptr) (xchg((ptr),1))
extern void arm_malalignedptr(const char *, void *, volatile void *);
extern asmlinkage void __backtrace(void);
/*
* Include processor dependent parts
*/
#include <asm/proc/system.h>
#define mb() __asm__ __volatile__ ("" : : : "memory")
#define rmb() mb()
#define wmb() mb()
#define nop() __asm__ __volatile__("mov\tr0,r0\t@ nop\n\t");
#define prepare_to_switch() do { } while(0)
/*
* switch_to(prev, next) should switch from task `prev' to `next'
* `prev' will never be the same as `next'.
* The `mb' is to tell GCC not to cache `current' across this call.
*/
extern struct task_struct *__switch_to(struct task_struct *prev, struct task_struct *next);
#define switch_to(prev,next,last) \
do { \
last = __switch_to(prev,next); \
mb(); \
} while (0)
#endif
#endif
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