[ARM] Add support for ARM GIC

Add support for the ARM Generic Interrupt Controller.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 41 insertions, 0 deletions

diff --git a/include/asm-arm/hardware/gic.h b/include/asm-arm/hardware/gic.h
new file mode 100644
index 000000000000..3fa5eb70f64e
--- /dev/null
+++ b/include/asm-arm/hardware/gic.h
@@ -0,0 +1,41 @@
+/*
+ *  linux/include/asm-arm/hardware/gic.h
+ *
+ *  Copyright (C) 2002 ARM Limited, All Rights Reserved.
+ *
+ * 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_HARDWARE_GIC_H
+#define __ASM_ARM_HARDWARE_GIC_H
+
+#include <linux/compiler.h>
+
+#define GIC_CPU_CTRL                    0x00
+#define GIC_CPU_PRIMASK                 0x04
+#define GIC_CPU_BINPOINT                0x08
+#define GIC_CPU_INTACK                  0x0c
+#define GIC_CPU_EOI                     0x10
+#define GIC_CPU_RUNNINGPRI              0x14
+#define GIC_CPU_HIGHPRI                 0x18
+
+#define GIC_DIST_CTRL                   0x000
+#define GIC_DIST_CTR                    0x004
+#define GIC_DIST_ENABLE_SET             0x100
+#define GIC_DIST_ENABLE_CLEAR           0x180
+#define GIC_DIST_PENDING_SET            0x200
+#define GIC_DIST_PENDING_CLEAR          0x280
+#define GIC_DIST_ACTIVE_BIT             0x300
+#define GIC_DIST_PRI                    0x400
+#define GIC_DIST_TARGET                 0x800
+#define GIC_DIST_CONFIG                 0xc00
+#define GIC_DIST_SOFTINT                0xf00
+
+#ifndef __ASSEMBLY__
+void gic_dist_init(void __iomem *base);
+void gic_cpu_init(void __iomem *base);
+void gic_raise_softirq(cpumask_t cpumask, unsigned int irq);
+#endif
+
+#endif