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authorMichal Simek <monstr@monstr.eu>2009-03-27 14:25:49 +0100
committerMichal Simek <monstr@monstr.eu>2009-03-27 14:25:49 +0100
commiteedbdab99fffb8ed71cac75a722088b8ace2583c (patch)
tree6f6b11f46a5d1b011a12dd61421cd1f2b10af237 /arch/microblaze/include/asm
parent3be100114a352bb4b0eee5b6a847cf4f34ce28b1 (diff)
microblaze_v8: Interrupt handling and timer support
Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Ingo Molnar <mingo@elte.hu> Reviewed-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com> Acked-by: John Linn <john.linn@xilinx.com> Acked-by: John Williams <john.williams@petalogix.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
Diffstat (limited to 'arch/microblaze/include/asm')
-rw-r--r--arch/microblaze/include/asm/irq.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/microblaze/include/asm/irq.h b/arch/microblaze/include/asm/irq.h
new file mode 100644
index 00000000000..db515deaa72
--- /dev/null
+++ b/arch/microblaze/include/asm/irq.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2006 Atmark Techno, Inc.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#ifndef _ASM_MICROBLAZE_IRQ_H
+#define _ASM_MICROBLAZE_IRQ_H
+
+#define NR_IRQS 32
+
+#include <linux/interrupt.h>
+
+extern unsigned int nr_irq;
+
+#define NO_IRQ (-1)
+
+static inline int irq_canonicalize(int irq)
+{
+ return irq;
+}
+
+struct pt_regs;
+extern void do_IRQ(struct pt_regs *regs);
+
+/* irq_of_parse_and_map - Parse and Map an interrupt into linux virq space
+ * @device: Device node of the device whose interrupt is to be mapped
+ * @index: Index of the interrupt to map
+ *
+ * This function is a wrapper that chains of_irq_map_one() and
+ * irq_create_of_mapping() to make things easier to callers
+ */
+struct device_node;
+extern unsigned int irq_of_parse_and_map(struct device_node *dev, int index);
+
+/** FIXME - not implement
+ * irq_dispose_mapping - Unmap an interrupt
+ * @virq: linux virq number of the interrupt to unmap
+ */
+static inline void irq_dispose_mapping(unsigned int virq)
+{
+ return;
+}
+
+#endif /* _ASM_MICROBLAZE_IRQ_H */