1 /*
2  * linux/arch/sh/boards/renesas/sh7763rdp/irq.c
3  *
4  * Renesas Solutions SH7763RDP Support.
5  *
6  * Copyright (C) 2008 Renesas Solutions Corp.
7  * Copyright (C) 2008  Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
8  *
9  * This file is subject to the terms and conditions of the GNU General Public
10  * License.  See the file "COPYING" in the main directory of this archive
11  * for more details.
12  */
13 
14 #include <linux/init.h>
15 #include <linux/irq.h>
16 #include <asm/io.h>
17 #include <asm/irq.h>
18 #include <mach/sh7763rdp.h>
19 
20 #define INTC_BASE		(0xFFD00000)
21 #define INTC_INT2PRI7   (INTC_BASE+0x4001C)
22 #define INTC_INT2MSKCR	(INTC_BASE+0x4003C)
23 #define INTC_INT2MSKCR1	(INTC_BASE+0x400D4)
24 
25 /*
26  * Initialize IRQ setting
27  */
init_sh7763rdp_IRQ(void)28 void __init init_sh7763rdp_IRQ(void)
29 {
30 	/* GPIO enabled */
31 	__raw_writel(1 << 25, INTC_INT2MSKCR);
32 
33 	/* enable GPIO interrupts */
34 	__raw_writel((__raw_readl(INTC_INT2PRI7) & 0xFF00FFFF) | 0x000F0000,
35 		  INTC_INT2PRI7);
36 
37 	/* USBH enabled */
38 	__raw_writel(1 << 17, INTC_INT2MSKCR1);
39 
40 	/* GETHER enabled */
41 	__raw_writel(1 << 16, INTC_INT2MSKCR1);
42 
43 	/* DMAC enabled */
44 	__raw_writel(1 << 8, INTC_INT2MSKCR);
45 }
46