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-rw-r--r--include/asm-blackfin/system.h221
1 files changed, 0 insertions, 221 deletions
diff --git a/include/asm-blackfin/system.h b/include/asm-blackfin/system.h
deleted file mode 100644
index 51494ef5bb4..00000000000
--- a/include/asm-blackfin/system.h
+++ /dev/null
@@ -1,221 +0,0 @@
-/*
- * File: include/asm/system.h
- * Based on:
- * Author: Tony Kou (tonyko@lineo.ca)
- * Copyright (c) 2002 Arcturus Networks Inc.
- * (www.arcturusnetworks.com)
- * Copyright (c) 2003 Metrowerks (www.metrowerks.com)
- * Copyright (c) 2004 Analog Device Inc.
- * Created: 25Jan2001 - Tony Kou
- * Description: system.h include file
- *
- * Modified: 22Sep2006 - Robin Getz
- * - move include blackfin.h down, so I can get access to
- * irq functions in other include files.
- *
- * Bugs: Enter bugs at http://blackfin.uclinux.org/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; see the file COPYING.
- * If not, write to the Free Software Foundation,
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#ifndef _BLACKFIN_SYSTEM_H
-#define _BLACKFIN_SYSTEM_H
-
-#include <linux/linkage.h>
-#include <linux/compiler.h>
-#include <asm/mach/anomaly.h>
-
-/*
- * Interrupt configuring macros.
- */
-
-extern unsigned long irq_flags;
-
-#define local_irq_enable() \
- __asm__ __volatile__( \
- "sti %0;" \
- : \
- : "d" (irq_flags) \
- )
-
-#define local_irq_disable() \
- do { \
- int __tmp_dummy; \
- __asm__ __volatile__( \
- "cli %0;" \
- : "=d" (__tmp_dummy) \
- ); \
- } while (0)
-
-#if ANOMALY_05000244 && defined(CONFIG_BFIN_ICACHE)
-# define NOP_PAD_ANOMALY_05000244 "nop; nop;"
-#else
-# define NOP_PAD_ANOMALY_05000244
-#endif
-
-#define idle_with_irq_disabled() \
- __asm__ __volatile__( \
- NOP_PAD_ANOMALY_05000244 \
- ".align 8;" \
- "sti %0;" \
- "idle;" \
- : \
- : "d" (irq_flags) \
- )
-
-#ifdef CONFIG_DEBUG_HWERR
-# define __save_and_cli(x) \
- __asm__ __volatile__( \
- "cli %0;" \
- "sti %1;" \
- : "=&d" (x) \
- : "d" (0x3F) \
- )
-#else
-# define __save_and_cli(x) \
- __asm__ __volatile__( \
- "cli %0;" \
- : "=&d" (x) \
- )
-#endif
-
-#define local_save_flags(x) \
- __asm__ __volatile__( \
- "cli %0;" \
- "sti %0;" \
- : "=d" (x) \
- )
-
-#ifdef CONFIG_DEBUG_HWERR
-#define irqs_enabled_from_flags(x) (((x) & ~0x3f) != 0)
-#else
-#define irqs_enabled_from_flags(x) ((x) != 0x1f)
-#endif
-
-#define local_irq_restore(x) \
- do { \
- if (irqs_enabled_from_flags(x)) \
- local_irq_enable(); \
- } while (0)
-
-/* For spinlocks etc */
-#define local_irq_save(x) __save_and_cli(x)
-
-#define irqs_disabled() \
-({ \
- unsigned long flags; \
- local_save_flags(flags); \
- !irqs_enabled_from_flags(flags); \
-})
-
-/*
- * Force strict CPU ordering.
- */
-#define nop() asm volatile ("nop;\n\t"::)
-#define mb() asm volatile ("" : : :"memory")
-#define rmb() asm volatile ("" : : :"memory")
-#define wmb() asm volatile ("" : : :"memory")
-#define set_mb(var, value) do { (void) xchg(&var, value); } while (0)
-
-#define read_barrier_depends() do { } while(0)
-
-#ifdef CONFIG_SMP
-#define smp_mb() mb()
-#define smp_rmb() rmb()
-#define smp_wmb() wmb()
-#define smp_read_barrier_depends() read_barrier_depends()
-#else
-#define smp_mb() barrier()
-#define smp_rmb() barrier()
-#define smp_wmb() barrier()
-#define smp_read_barrier_depends() do { } while(0)
-#endif
-
-#define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
-
-struct __xchg_dummy {
- unsigned long a[100];
-};
-#define __xg(x) ((volatile struct __xchg_dummy *)(x))
-
-static inline unsigned long __xchg(unsigned long x, volatile void *ptr,
- int size)
-{
- unsigned long tmp = 0;
- unsigned long flags = 0;
-
- local_irq_save(flags);
-
- switch (size) {
- case 1:
- __asm__ __volatile__
- ("%0 = b%2 (z);\n\t"
- "b%2 = %1;\n\t"
- : "=&d" (tmp) : "d" (x), "m" (*__xg(ptr)) : "memory");
- break;
- case 2:
- __asm__ __volatile__
- ("%0 = w%2 (z);\n\t"
- "w%2 = %1;\n\t"
- : "=&d" (tmp) : "d" (x), "m" (*__xg(ptr)) : "memory");
- break;
- case 4:
- __asm__ __volatile__
- ("%0 = %2;\n\t"
- "%2 = %1;\n\t"
- : "=&d" (tmp) : "d" (x), "m" (*__xg(ptr)) : "memory");
- break;
- }
- local_irq_restore(flags);
- return tmp;
-}
-
-#include <asm-generic/cmpxchg-local.h>
-
-/*
- * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make
- * them available.
- */
-#define cmpxchg_local(ptr, o, n) \
- ((__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), (unsigned long)(o),\
- (unsigned long)(n), sizeof(*(ptr))))
-#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n))
-
-#ifndef CONFIG_SMP
-#include <asm-generic/cmpxchg.h>
-#endif
-
-#define prepare_to_switch() do { } while(0)
-
-/*
- * switch_to(n) should switch tasks to task ptr, first checking that
- * ptr isn't the current task, in which case it does nothing.
- */
-
-#include <asm/blackfin.h>
-
-asmlinkage struct task_struct *resume(struct task_struct *prev, struct task_struct *next);
-
-#define switch_to(prev,next,last) \
-do { \
- memcpy (&task_thread_info(prev)->l1_task_info, L1_SCRATCH_TASK_INFO, \
- sizeof *L1_SCRATCH_TASK_INFO); \
- memcpy (L1_SCRATCH_TASK_INFO, &task_thread_info(next)->l1_task_info, \
- sizeof *L1_SCRATCH_TASK_INFO); \
- (last) = resume (prev, next); \
-} while (0)
-
-#endif /* _BLACKFIN_SYSTEM_H */