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Diffstat (limited to 'arch/arm/plat-mxc/include/mach/irqs.h')
-rw-r--r--arch/arm/plat-mxc/include/mach/irqs.h32
1 files changed, 31 insertions, 1 deletions
diff --git a/arch/arm/plat-mxc/include/mach/irqs.h b/arch/arm/plat-mxc/include/mach/irqs.h
index b55bba3..e06d3cb 100644
--- a/arch/arm/plat-mxc/include/mach/irqs.h
+++ b/arch/arm/plat-mxc/include/mach/irqs.h
@@ -11,7 +11,37 @@
#ifndef __ASM_ARCH_MXC_IRQS_H__
#define __ASM_ARCH_MXC_IRQS_H__
-#include <mach/hardware.h>
+/*
+ * So far all i.MX SoCs have 64 internal interrupts
+ */
+#define MXC_INTERNAL_IRQS 64
+
+#define MXC_GPIO_IRQ_START MXC_INTERNAL_IRQS
+
+#if defined CONFIG_ARCH_MX1
+#define MXC_GPIO_IRQS (32 * 4)
+#elif defined CONFIG_ARCH_MX2
+#define MXC_GPIO_IRQS (32 * 6)
+#elif defined CONFIG_ARCH_MX3
+#define MXC_GPIO_IRQS (32 * 3)
+#endif
+
+/*
+ * The next 16 interrupts are for board specific purposes. Since
+ * the kernel can only run on one machine at a time, we can re-use
+ * these. If you need more, increase MXC_BOARD_IRQS, but keep it
+ * within sensible limits.
+ */
+#define MXC_BOARD_IRQ_START (MXC_INTERNAL_IRQS + MXC_GPIO_IRQS)
+#define MXC_BOARD_IRQS 16
+
+#define NR_IRQS (MXC_BOARD_IRQ_START + MXC_BOARD_IRQS)
+
extern void imx_irq_set_priority(unsigned char irq, unsigned char prio);
+/* all normal IRQs can be FIQs */
+#define FIQ_START 0
+/* switch betwean IRQ and FIQ */
+extern int mxc_set_irq_fiq(unsigned int irq, unsigned int type);
+
#endif /* __ASM_ARCH_MXC_IRQS_H__ */
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