1 files changed, 32 insertions, 0 deletions

diff --git a/include/asm-arm/arch-cl7500/irq.h b/include/asm-arm/arch-cl7500/irq.h
new file mode 100644
index 000000000000..4b286331f3f8
--- /dev/null
+++ b/include/asm-arm/arch-cl7500/irq.h
@@ -0,0 +1,32 @@
+/*
+ * include/asm-arm/arch-cl7500/irq.h
+ *
+ * Copyright (C) 1996 Russell King
+ * Copyright (C) 1999, 2001 Nexus Electronics Ltd.
+ *
+ * Changelog:
+ *   10-10-1996 RMK     Brought up to date with arch-sa110eval
+ *   22-08-1998 RMK     Restructured IRQ routines
+ *   11-08-1999 PJB     Created ARM7500 version, derived from RiscPC code
+ */
+
+#include <asm/hardware/iomd.h>
+#include <asm/io.h>
+
+static inline int fixup_irq(unsigned int irq)
+{
+        if (irq == IRQ_ISA) {
+                int isabits = *((volatile unsigned int *)0xe002b700);
+                if (isabits == 0) {
+                        printk("Spurious ISA IRQ!\n");
+                        return irq;
+                }
+                irq = IRQ_ISA_BASE;
+                while (!(isabits & 1)) {
+                        irq++;
+                        isabits >>= 1;
+                }
+        }
+
+        return irq;
+}