Initial import

1 files changed, 40 insertions, 0 deletions

diff --git a/arch/arm/mach-mv78xx0/irq.c b/arch/arm/mach-mv78xx0/irq.c
new file mode 100644
index 000000000..320734440
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/irq.c
@@ -0,0 +1,40 @@
+/*
+ * arch/arm/mach-mv78xx0/irq.c
+ *
+ * MV78xx0 IRQ handling.
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+#include <linux/gpio.h>
+#include <linux/kernel.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+#include <mach/bridge-regs.h>
+#include <plat/orion-gpio.h>
+#include <plat/irq.h>
+#include "common.h"
+
+static int __initdata gpio0_irqs[4] = {
+	IRQ_MV78XX0_GPIO_0_7,
+	IRQ_MV78XX0_GPIO_8_15,
+	IRQ_MV78XX0_GPIO_16_23,
+	IRQ_MV78XX0_GPIO_24_31,
+};
+
+void __init mv78xx0_init_irq(void)
+{
+	orion_irq_init(0, IRQ_VIRT_BASE + IRQ_MASK_LOW_OFF);
+	orion_irq_init(32, IRQ_VIRT_BASE + IRQ_MASK_HIGH_OFF);
+	orion_irq_init(64, IRQ_VIRT_BASE + IRQ_MASK_ERR_OFF);
+
+	/*
+	 * Initialize gpiolib for GPIOs 0-31.  (The GPIO interrupt mask
+	 * registers for core #1 are at an offset of 0x18 from those of
+	 * core #0.)
+	 */
+	orion_gpio_init(NULL, 0, 32, GPIO_VIRT_BASE,
+			mv78xx0_core_index() ? 0x18 : 0,
+			IRQ_MV78XX0_GPIO_START, gpio0_irqs);
+}