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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2009-05-17 21:58:34 +0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-05-17 21:58:34 +0400
commitbc28248ee25e5c239cbe6afca35a100b08401de5 (patch)
tree89fb6944170bc85b5c9261cd7c7dba6954994cc3 /arch/arm/include/asm/localtimer.h
parentee348d5a1d810bc9958cabb7c27302aab235d36e (diff)
downloadlinux-bc28248ee25e5c239cbe6afca35a100b08401de5.tar.xz
[ARM] smp: move core localtimer support out of platform specific files
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/include/asm/localtimer.h')
-rw-r--r--arch/arm/include/asm/localtimer.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/arm/include/asm/localtimer.h b/arch/arm/include/asm/localtimer.h
new file mode 100644
index 000000000000..3f8c9ebb646c
--- /dev/null
+++ b/arch/arm/include/asm/localtimer.h
@@ -0,0 +1,51 @@
+/*
+ * arch/arm/include/asm/localtimer.h
+ *
+ * Copyright (C) 2004-2005 ARM Ltd.
+ *
+ * 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_ARM_LOCALTIMER_H
+#define __ASM_ARM_LOCALTIMER_H
+
+struct clock_event_device;
+
+/*
+ * Setup a per-cpu timer, whether it be a local timer or dummy broadcast
+ */
+void percpu_timer_setup(void);
+
+/*
+ * Called from assembly, this is the local timer IRQ handler
+ */
+asmlinkage void do_local_timer(struct pt_regs *);
+
+
+#ifdef CONFIG_LOCAL_TIMERS
+/*
+ * Platform provides this to acknowledge a local timer IRQ.
+ * Returns true if the local timer IRQ is to be processed.
+ */
+int local_timer_ack(void);
+
+/*
+ * Stop a local timer interrupt.
+ */
+void local_timer_stop(void);
+
+/*
+ * Setup a local timer interrupt for a CPU.
+ */
+void local_timer_setup(struct clock_event_device *);
+
+#else
+
+static inline void local_timer_stop(void)
+{
+}
+
+#endif
+
+#endif