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-rw-r--r--arch/arm/mach-ebsa110/include/mach/system.h37
1 files changed, 0 insertions, 37 deletions
diff --git a/arch/arm/mach-ebsa110/include/mach/system.h b/arch/arm/mach-ebsa110/include/mach/system.h
deleted file mode 100644
index 2e4af65..0000000
--- a/arch/arm/mach-ebsa110/include/mach/system.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * arch/arm/mach-ebsa110/include/mach/system.h
- *
- * Copyright (C) 1996-2000 Russell King.
- *
- * 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 __ASM_ARCH_SYSTEM_H
-#define __ASM_ARCH_SYSTEM_H
-
-/*
- * EBSA110 idling methodology:
- *
- * We can not execute the "wait for interrupt" instruction since that
- * will stop our MCLK signal (which provides the clock for the glue
- * logic, and therefore the timer interrupt).
- *
- * Instead, we spin, polling the IRQ_STAT register for the occurrence
- * of any interrupt with core clock down to the memory clock.
- */
-static inline void arch_idle(void)
-{
- const char *irq_stat = (char *)0xff000000;
-
- /* disable clock switching */
- asm volatile ("mcr p15, 0, ip, c15, c2, 2" : : : "cc");
-
- /* wait for an interrupt to occur */
- while (!*irq_stat);
-
- /* enable clock switching */
- asm volatile ("mcr p15, 0, ip, c15, c1, 2" : : : "cc");
-}
-
-#endif