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Diffstat (limited to 'arch/powerpc/sysdev/mpc8xx_pic.h')
-rw-r--r--arch/powerpc/sysdev/mpc8xx_pic.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/powerpc/sysdev/mpc8xx_pic.h b/arch/powerpc/sysdev/mpc8xx_pic.h
new file mode 100644
index 000000000..9fe00eebd
--- /dev/null
+++ b/arch/powerpc/sysdev/mpc8xx_pic.h
@@ -0,0 +1,19 @@
+#ifndef _PPC_KERNEL_MPC8xx_H
+#define _PPC_KERNEL_MPC8xx_H
+
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+
+int mpc8xx_pic_init(void);
+unsigned int mpc8xx_get_irq(void);
+
+/*
+ * Some internal interrupt registers use an 8-bit mask for the interrupt
+ * level instead of a number.
+ */
+static inline uint mk_int_int_mask(uint mask)
+{
+ return (1 << (7 - (mask/2)));
+}
+
+#endif /* _PPC_KERNEL_PPC8xx_H */