summaryrefslogtreecommitdiffstats
path: root/arch/sh/include/asm/irq.h
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2008-08-11 12:57:01 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-11 12:57:01 +0200
commit6de9c70882ecdee63a652d493bf2353963bd4c22 (patch)
tree9d219e705492331c97f5f7dccce3b0b1a29251bf /arch/sh/include/asm/irq.h
parentd406d21d90dce2e66c7eb4a44605aac947fe55fb (diff)
parent796aadeb1b2db9b5d463946766c5bbfd7717158c (diff)
downloadkernel-crypto-6de9c70882ecdee63a652d493bf2353963bd4c22.tar.gz
kernel-crypto-6de9c70882ecdee63a652d493bf2353963bd4c22.tar.xz
kernel-crypto-6de9c70882ecdee63a652d493bf2353963bd4c22.zip
Merge branch 'linus' into x86/cleanups
Diffstat (limited to 'arch/sh/include/asm/irq.h')
-rw-r--r--arch/sh/include/asm/irq.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/sh/include/asm/irq.h b/arch/sh/include/asm/irq.h
new file mode 100644
index 00000000000..6195a531c1b
--- /dev/null
+++ b/arch/sh/include/asm/irq.h
@@ -0,0 +1,57 @@
+#ifndef __ASM_SH_IRQ_H
+#define __ASM_SH_IRQ_H
+
+#include <asm/machvec.h>
+
+/*
+ * A sane default based on a reasonable vector table size, platforms are
+ * advised to cap this at the hard limit that they're interested in
+ * through the machvec.
+ */
+#define NR_IRQS 256
+
+/*
+ * Convert back and forth between INTEVT and IRQ values.
+ */
+#ifdef CONFIG_CPU_HAS_INTEVT
+#define evt2irq(evt) (((evt) >> 5) - 16)
+#define irq2evt(irq) (((irq) + 16) << 5)
+#else
+#define evt2irq(evt) (evt)
+#define irq2evt(irq) (irq)
+#endif
+
+/*
+ * Simple Mask Register Support
+ */
+extern void make_maskreg_irq(unsigned int irq);
+extern unsigned short *irq_mask_register;
+
+/*
+ * PINT IRQs
+ */
+void init_IRQ_pint(void);
+void make_imask_irq(unsigned int irq);
+
+static inline int generic_irq_demux(int irq)
+{
+ return irq;
+}
+
+#define irq_canonicalize(irq) (irq)
+#define irq_demux(irq) sh_mv.mv_irq_demux(irq)
+
+#ifdef CONFIG_IRQSTACKS
+extern void irq_ctx_init(int cpu);
+extern void irq_ctx_exit(int cpu);
+# define __ARCH_HAS_DO_SOFTIRQ
+#else
+# define irq_ctx_init(cpu) do { } while (0)
+# define irq_ctx_exit(cpu) do { } while (0)
+#endif
+
+#ifdef CONFIG_CPU_SH5
+#include <cpu/irq.h>
+#endif
+
+#endif /* __ASM_SH_IRQ_H */