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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-08-05 19:14:15 +0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-08-07 12:55:48 +0400
commita09e64fbc0094e3073dbb09c3b4bfe4ab669244b (patch)
tree69689f467179891b498bd7423fcf61925173db31 /arch/arm/mach-realview/include/mach/smp.h
parenta1b81a84fff05dbfef45b7012c26e1fee9973e5d (diff)
downloadlinux-a09e64fbc0094e3073dbb09c3b4bfe4ab669244b.tar.xz
[ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach
This just leaves include/asm-arm/plat-* to deal with. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-realview/include/mach/smp.h')
-rw-r--r--arch/arm/mach-realview/include/mach/smp.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm/mach-realview/include/mach/smp.h b/arch/arm/mach-realview/include/mach/smp.h
new file mode 100644
index 000000000000..515819efd046
--- /dev/null
+++ b/arch/arm/mach-realview/include/mach/smp.h
@@ -0,0 +1,30 @@
+#ifndef ASMARM_ARCH_SMP_H
+#define ASMARM_ARCH_SMP_H
+
+
+#include <asm/hardware/gic.h>
+
+#define hard_smp_processor_id() \
+ ({ \
+ unsigned int cpunum; \
+ __asm__("mrc p15, 0, %0, c0, c0, 5" \
+ : "=r" (cpunum)); \
+ cpunum &= 0x0F; \
+ })
+
+/*
+ * We use IRQ1 as the IPI
+ */
+static inline void smp_cross_call(cpumask_t callmap)
+{
+ gic_raise_softirq(callmap, 1);
+}
+
+/*
+ * Do nothing on MPcore.
+ */
+static inline void smp_cross_call_done(cpumask_t callmap)
+{
+}
+
+#endif