diff --git a/arch/sh/boards/renesas/r7780rp/Makefile b/arch/sh/boards/renesas/r7780rp/Makefile
index dd26182..20a1008 100644
--- a/arch/sh/boards/renesas/r7780rp/Makefile
+++ b/arch/sh/boards/renesas/r7780rp/Makefile
@@ -3,7 +3,7 @@
 #
 irqinit-$(CONFIG_SH_R7780MP)	:= irq-r7780mp.o
 irqinit-$(CONFIG_SH_R7785RP)	:= irq-r7785rp.o
-irqinit-$(CONFIG_SH_R7780RP)	:= irq-r7780rp.o irq.o
+irqinit-$(CONFIG_SH_R7780RP)	:= irq-r7780rp.o
 obj-y				:= setup.o $(irqinit-y)
 
 ifneq ($(CONFIG_SH_R7785RP),y)
diff --git a/arch/sh/boards/renesas/r7780rp/irq-r7780rp.c b/arch/sh/boards/renesas/r7780rp/irq-r7780rp.c
index fa4a534..bd34048 100644
--- a/arch/sh/boards/renesas/r7780rp/irq-r7780rp.c
+++ b/arch/sh/boards/renesas/r7780rp/irq-r7780rp.c
@@ -3,21 +3,65 @@
  *
  * Copyright (C) 2002  Atom Create Engineering Co., Ltd.
  * Copyright (C) 2006  Paul Mundt
+ * Copyright (C) 2008  Magnus Damm
  *
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  */
 #include <linux/init.h>
+#include <linux/irq.h>
 #include <linux/io.h>
 #include <asm/r7780rp.h>
 
+enum {
+	UNUSED = 0,
+
+	/* board specific interrupt sources */
+
+	AX88796,          /* Ethernet controller */
+	PSW,              /* Push Switch */
+	CF,               /* Compact Flash */
+
+	PCI_A,
+	PCI_B,
+	PCI_C,
+	PCI_D,
+};
+
+static struct intc_vect vectors[] __initdata = {
+	INTC_IRQ(PCI_A, 65), /* dirty: overwrite cpu vectors for pci */
+	INTC_IRQ(PCI_B, 66),
+	INTC_IRQ(PCI_C, 67),
+	INTC_IRQ(PCI_D, 68),
+	INTC_IRQ(CF, IRQ_CF),
+	INTC_IRQ(PSW, IRQ_PSW),
+	INTC_IRQ(AX88796, IRQ_AX88796),
+};
+
+static struct intc_mask_reg mask_registers[] __initdata = {
+	{ 0xa5000000, 0, 16, /* IRLMSK */
+	  { PCI_A, PCI_B, PCI_C, PCI_D, CF, 0, 0, 0,
+	    0, 0, 0, 0, 0, 0, PSW, AX88796 } },
+};
+
+static unsigned char irl2irq[HL_NR_IRL] __initdata = {
+	65, 66, 67, 68,
+	IRQ_CF, 0, 0, 0,
+	0, 0, 0, 0,
+	IRQ_AX88796, IRQ_PSW
+};
+
+static DECLARE_INTC_DESC(intc_desc, "r7780rp", vectors,
+			 NULL, mask_registers, NULL, NULL);
+
 unsigned char * __init highlander_init_irq_r7780rp(void)
 {
-	int i;
-
-	for (i = 0; i < 15; i++)
-		make_r7780rp_irq(i);
+	if (ctrl_inw(0xa5000600)) {
+		printk(KERN_INFO "Using r7780rp interrupt controller.\n");
+		register_intc_controller(&intc_desc);
+		return irl2irq;
+	}
 
 	return NULL;
 }
diff --git a/arch/sh/boards/renesas/r7780rp/irq.c b/arch/sh/boards/renesas/r7780rp/irq.c
deleted file mode 100644
index e0b8eb5..0000000
--- a/arch/sh/boards/renesas/r7780rp/irq.c
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * Renesas Solutions Highlander R7780RP-1 Support.
- *
- * Copyright (C) 2002  Atom Create Engineering Co., Ltd.
- * Copyright (C) 2006  Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-#include <linux/init.h>
-#include <linux/irq.h>
-#include <linux/interrupt.h>
-#include <linux/io.h>
-#include <asm/r7780rp.h>
-
-#ifdef CONFIG_SH_R7780RP
-static int mask_pos[] = {15, 14, 13, 12, 11, 10, 9, 8, 7, 5, 6, 4, 0, 1, 2, 0};
-#elif defined(CONFIG_SH_R7780MP)
-static int mask_pos[] = {12, 11, 9, 14, 15, 8, 13, 6, 5, 4, 3, 2, 0, 0, 1, 0};
-#elif defined(CONFIG_SH_R7785RP)
-static int mask_pos[] = {2, 11, 2, 2, 2, 2, 9, 8, 7, 5, 10, 2, 2, 2, 2, 2};
-#endif
-
-static void enable_r7780rp_irq(unsigned int irq)
-{
-	/* Set priority in IPR back to original value */
-	ctrl_outw(ctrl_inw(IRLCNTR1) | (1 << mask_pos[irq]), IRLCNTR1);
-}
-
-static void disable_r7780rp_irq(unsigned int irq)
-{
-	/* Set the priority in IPR to 0 */
-	ctrl_outw(ctrl_inw(IRLCNTR1) & (0xffff ^ (1 << mask_pos[irq])),
-		  IRLCNTR1);
-}
-
-static struct irq_chip r7780rp_irq_chip __read_mostly = {
-	.name		= "R7780RP",
-	.mask		= disable_r7780rp_irq,
-	.unmask		= enable_r7780rp_irq,
-	.mask_ack	= disable_r7780rp_irq,
-};
-
-void make_r7780rp_irq(unsigned int irq)
-{
-	disable_irq_nosync(irq);
-	set_irq_chip_and_handler_name(irq, &r7780rp_irq_chip,
-				      handle_level_irq, "level");
-	enable_r7780rp_irq(irq);
-}
diff --git a/arch/sh/boards/renesas/r7780rp/setup.c b/arch/sh/boards/renesas/r7780rp/setup.c
index 0fdc0bc..a43b477 100644
--- a/arch/sh/boards/renesas/r7780rp/setup.c
+++ b/arch/sh/boards/renesas/r7780rp/setup.c
@@ -179,9 +179,11 @@
 static struct platform_device *r7780rp_devices[] __initdata = {
 	&r8a66597_usb_host_device,
 	&m66592_usb_peripheral_device,
-	&cf_ide_device,
 	&heartbeat_device,
+#ifndef CONFIG_SH_R7780RP
+	&cf_ide_device,
 	&ax88796_device,
+#endif
 };
 
 static int __init r7780rp_devices_setup(void)
@@ -316,9 +318,9 @@
 			break;
 #endif
 #ifdef CONFIG_SH_R7780RP
-		highlander_init_irq_r7780rp();
-		ucp = irl2irq;
-		break;
+		ucp = highlander_init_irq_r7780rp();
+		if (ucp)
+			break;
 #endif
 	} while (0);
 
diff --git a/arch/sh/drivers/pci/ops-r7780rp.c b/arch/sh/drivers/pci/ops-r7780rp.c
index 48fe403..5fdadae 100644
--- a/arch/sh/drivers/pci/ops-r7780rp.c
+++ b/arch/sh/drivers/pci/ops-r7780rp.c
@@ -17,25 +17,13 @@
 #include <asm/io.h>
 #include "pci-sh4.h"
 
-static char r7780rp_irq_tab[] __initdata = {
-	0, 1, 2, 3,
-};
-
-static char r7780mp_irq_tab[] __initdata = {
+static char irq_tab[] __initdata = {
 	65, 66, 67, 68,
 };
 
 int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
 {
-	if (mach_is_r7780rp())
-		return r7780rp_irq_tab[slot];
-	if (mach_is_r7780mp() || mach_is_r7785rp())
-		return r7780mp_irq_tab[slot];
-
-	printk(KERN_ERR "PCI: Bad IRQ mapping "
-	       "request for slot %d, func %d\n", slot, pin-1);
-
-	return -1;
+	return irq_tab[slot];
 }
 
 static struct resource sh7780_io_resource = {
diff --git a/include/asm-sh/r7780rp.h b/include/asm-sh/r7780rp.h
index 1c2d4d1..bdecea0 100644
--- a/include/asm-sh/r7780rp.h
+++ b/include/asm-sh/r7780rp.h
@@ -121,21 +121,6 @@
 
 #define IRLCNTR1	(PA_BCR + 0)	/* Interrupt Control Register1 */
 
-#define IRQ_PCISLOT1	0		/* PCI Slot #1 IRQ */
-#define IRQ_PCISLOT2	1		/* PCI Slot #2 IRQ */
-#define IRQ_PCISLOT3	2		/* PCI Slot #3 IRQ */
-#define IRQ_PCISLOT4	3		/* PCI Slot #4 IRQ */
-#define IRQ_CFINST	5		/* CF Card Insert IRQ */
-#define IRQ_M66596	6		/* M66596 IRQ */
-#define IRQ_SDCARD	7		/* SD Card IRQ */
-#define IRQ_TUCHPANEL	8		/* Touch Panel IRQ */
-#define IRQ_SCI		9		/* SCI IRQ */
-#define IRQ_2SERIAL	10		/* Serial IRQ */
-#define	IRQ_EXTENTION	11		/* EXTn IRQ */
-#define IRQ_ONETH	12		/* On board Ethernet IRQ */
-#define IRQ_PSW		13		/* Push Switch IRQ */
-#define IRQ_ZIGBEE	14		/* Ziggbee IO IRQ */
-
 #define IVDR_CK_ON	8		/* iVDR Clock ON */
 
 #elif defined(CONFIG_SH_R7785RP)
@@ -192,9 +177,7 @@
 
 #define IRQ_AX88796		(HL_FPGA_IRQ_BASE + 0)
 #define IRQ_CF			(HL_FPGA_IRQ_BASE + 1)
-#ifndef IRQ_PSW
 #define IRQ_PSW			(HL_FPGA_IRQ_BASE + 2)
-#endif
 #define IRQ_EXT0		(HL_FPGA_IRQ_BASE + 3)
 #define IRQ_EXT1		(HL_FPGA_IRQ_BASE + 4)
 #define IRQ_EXT2		(HL_FPGA_IRQ_BASE + 5)
@@ -208,8 +191,6 @@
 #define IRQ_RTC			(HL_FPGA_IRQ_BASE + 13)
 #define IRQ_TH_ALERT		(HL_FPGA_IRQ_BASE + 14)
 
-void make_r7780rp_irq(unsigned int irq);
-
 unsigned char *highlander_init_irq_r7780mp(void);
 unsigned char *highlander_init_irq_r7780rp(void);
 unsigned char *highlander_init_irq_r7785rp(void);