1 files changed, 63 insertions, 0 deletions
diff --git a/arch/sh/boards/mach-landisk/irq.c b/arch/sh/boards/mach-landisk/irq.c
new file mode 100644
index 000000000..0b672b80c
--- /dev/null
+++ b/arch/sh/boards/mach-landisk/irq.c
@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * arch/sh/boards/mach-landisk/irq.c
+ *
+ * I-O DATA Device, Inc. LANDISK Support
+ *
+ * Copyright (C) 2005-2007 kogiidena
+ * Copyright (C) 2011 Nobuhiro Iwamatsu
+ *
+ * Copyright (C) 2001  Ian da Silva, Jeremy Siegel
+ * Based largely on io_se.c.
+ */
+
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <mach-landisk/mach/iodata_landisk.h>
+
+enum {
+	UNUSED = 0,
+
+	PCI_INTA, /* PCI int A */
+	PCI_INTB, /* PCI int B */
+	PCI_INTC, /* PCI int C */
+	PCI_INTD, /* PCI int D */
+	ATA,	  /* ATA */
+	FATA,	  /* CF */
+	POWER,	  /* Power switch */
+	BUTTON,	  /* Button switch */
+};
+
+/* Vectors for LANDISK */
+static struct intc_vect vectors_landisk[] __initdata = {
+	INTC_IRQ(PCI_INTA, IRQ_PCIINTA),
+	INTC_IRQ(PCI_INTB, IRQ_PCIINTB),
+	INTC_IRQ(PCI_INTC, IRQ_PCIINTC),
+	INTC_IRQ(PCI_INTD, IRQ_PCIINTD),
+	INTC_IRQ(ATA, IRQ_ATA),
+	INTC_IRQ(FATA, IRQ_FATA),
+	INTC_IRQ(POWER, IRQ_POWER),
+	INTC_IRQ(BUTTON, IRQ_BUTTON),
+};
+
+/* IRLMSK mask register layout for LANDISK */
+static struct intc_mask_reg mask_registers_landisk[] __initdata = {
+	{ PA_IMASK, 0, 8, /* IRLMSK */
+	  {  BUTTON, POWER, FATA, ATA,
+	     PCI_INTD, PCI_INTC, PCI_INTB, PCI_INTA,
+	  }
+	},
+};
+
+static DECLARE_INTC_DESC(intc_desc_landisk, "landisk", vectors_landisk, NULL,
+			mask_registers_landisk, NULL, NULL);
+/*
+ * Initialize IRQ setting
+ */
+void __init init_landisk_IRQ(void)
+{
+	register_intc_controller(&intc_desc_landisk);
+	__raw_writeb(0x00, PA_PWRINT_CLR);
+}