1 files changed, 82 insertions, 0 deletions
diff --git a/arch/arm/mach-mx35/mx35evb_cpld.c b/arch/arm/mach-mx35/mx35evb_cpld.c
new file mode 100644
index 000000000000..fbf9188f3671
--- /dev/null
+++ b/arch/arm/mach-mx35/mx35evb_cpld.c
@@ -0,0 +1,82 @@
+/*
+ * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/types.h>
+#include <linux/sched.h>
+#include <linux/interrupt.h>
+#include <linux/init.h>
+
+#include <mach/hardware.h>
+#include <asm/irq.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/irq.h>
+#include <mach/gpio.h>
+
+#include "board-mx35evb.h"
+#include "iomux.h"
+
+/*!
+ * @file mach-mx35/mx35evb_cpld.c
+ *
+ * @brief This file contains the board specific initialization routines.
+ *
+ * @ingroup MSL_MX35
+ */
+
+static void mxc_expio_irq_handler(u32 irq, struct irq_desc *desc)
+{
+	/*TODO:virtual interrupt dispatcher */
+}
+
+/*
+ * Disable an expio pin's interrupt by setting the bit in the imr.
+ * @param irq           an expio virtual irq number
+ */
+static void expio_mask_irq(u32 irq)
+{
+	/*TODO:mask virtual interrupt #irq */
+}
+
+/*
+ * Acknowledge an expanded io pin's interrupt by clearing the bit in the isr.
+ * @param irq           an expanded io virtual irq number
+ */
+static void expio_ack_irq(u32 irq)
+{
+	/*TODO:ack & mask virtual interrupt #irq */
+}
+
+/*
+ * Enable a expio pin's interrupt by clearing the bit in the imr.
+ * @param irq           a expio virtual irq number
+ */
+static void expio_unmask_irq(u32 irq)
+{
+	/*TODO:enable virtual interrupt #irq */
+}
+
+static struct irq_chip expio_irq_chip = {
+	.ack = expio_ack_irq,
+	.mask = expio_mask_irq,
+	.unmask = expio_unmask_irq,
+};
+
+static int __init mxc_expio_init(void)
+{
+	/*TODO:enable virtual interrupts generated by CPLD */
+	return 0;
+}
+
+arch_initcall(mxc_expio_init);