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 */ 28void __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