MN10300: ASB2364: Handle the IRQ multiplexer in the FPGA
Handle the IRQ multiplexer in the FPGA by implementing a cascade interrupt
driver for it.
Signed-off-by: David Howells <dhowells@redhat.com>
diff --git a/arch/mn10300/include/asm/irq.h b/arch/mn10300/include/asm/irq.h
index b7b8e17..1a73fb3 100644
--- a/arch/mn10300/include/asm/irq.h
+++ b/arch/mn10300/include/asm/irq.h
@@ -21,11 +21,15 @@
/* this number is used when no interrupt has been assigned */
#define NO_IRQ INT_MAX
-/* hardware irq numbers */
-#ifdef CONFIG_SMP
-#define NR_IRQS GxICR_NUM_EXT_IRQS
+/*
+ * hardware irq numbers
+ * - the ASB2364 has an FPGA with an IRQ multiplexer on it
+ */
+#ifdef CONFIG_MN10300_UNIT_ASB2364
+#include <unit/irq.h>
#else
-#define NR_IRQS GxICR_NUM_IRQS
+#define NR_CPU_IRQS GxICR_NUM_IRQS
+#define NR_IRQS NR_CPU_IRQS
#endif
/* external hardware irq numbers */