+/*
+ * The EDGE Port interrupts are the fixed 7 external interrupts.
+ * They need some special treatment, for example they need to be acked.
+ */
+#ifdef CONFIG_M520x
+/*
+ * The 520x parts only support a limited range of these external
+ * interrupts, only 1, 4 and 7 (as interrupts 65, 66 and 67).
+ */
+#define EINT0 64 /* Is not actually used, but spot reserved for it */
+#define EINT1 65 /* EDGE Port interrupt 1 */
+#define EINT4 66 /* EDGE Port interrupt 4 */
+#define EINT7 67 /* EDGE Port interrupt 7 */
+
+static unsigned int irqebitmap[] = { 0, 1, 4, 7 };
+static unsigned int inline irq2ebit(unsigned int irq)
+{
+ return irqebitmap[irq - EINT0];
+}
+
+#else
+
+/*
+ * Most of the ColdFire parts with the EDGE Port module just have
+ * a strait direct mapping of the 7 external interrupts. Although
+ * there is a bit reserved for 0, it is not used.
+ */
+#define EINT0 64 /* Is not actually used, but spot reserved for it */
+#define EINT1 65 /* EDGE Port interrupt 1 */
+#define EINT7 71 /* EDGE Port interrupt 7 */
+
+static unsigned int inline irq2ebit(unsigned int irq)
+{
+ return irq - EINT0;
+}
+
+#endif
+