summaryrefslogtreecommitdiffstats
path: root/include/asm-blackfin/system.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-blackfin/system.h')
-rw-r--r--include/asm-blackfin/system.h121
1 files changed, 0 insertions, 121 deletions
diff --git a/include/asm-blackfin/system.h b/include/asm-blackfin/system.h
deleted file mode 100644
index 6bc7208cad..0000000000
--- a/include/asm-blackfin/system.h
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * U-boot - system.h
- *
- * Copyright (c) 2005-2007 Analog Devices Inc.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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 of
- * the License, 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; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
- * MA 02110-1301 USA
- */
-
-#ifndef _BLACKFIN_SYSTEM_H
-#define _BLACKFIN_SYSTEM_H
-
-/*
- * Interrupt configuring macros.
- */
-
-extern int 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)
-
-# define local_irq_save(x) \
- __asm__ __volatile__ ( \
- "cli %0;" \
- : "=&d" (x) \
- )
-
-#define local_save_flags(x) \
- __asm__ __volatile__ ( \
- "cli %0;" \
- "sti %0;" \
- : "=d" (x) \
- )
-
-#define irqs_enabled_from_flags(x) ((x) != 0x1f)
-
-#define local_irq_restore(x) \
- do { \
- if (irqs_enabled_from_flags(x)) \
- local_irq_enable(); \
- } while (0)
-
-/*
- * 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_rmb(var, value) do { xchg(&var, value); } while (0)
-#define set_mb(var, value) set_rmb(var, value)
-#define set_wmb(var, value) do { var = value; wmb(); } while (0)
-
-#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;
-}
-
-#endif /* _BLACKFIN_SYSTEM_H */
OpenPOWER on IntegriCloud