1// SPDX-License-Identifier: GPL-2.0
2/*
3 * linux/arch/sh/boards/renesas/sh7763rdp/irq.c
4 *
5 * Renesas Solutions SH7763RDP Support.
6 *
7 * Copyright (C) 2008 Renesas Solutions Corp.
8 * Copyright (C) 2008  Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
9 */
10
11#include <linux/init.h>
12#include <linux/irq.h>
13#include <asm/io.h>
14#include <asm/irq.h>
15#include <mach/sh7763rdp.h>
16
17#define INTC_BASE		(0xFFD00000)
18#define INTC_INT2PRI7   (INTC_BASE+0x4001C)
19#define INTC_INT2MSKCR	(INTC_BASE+0x4003C)
20#define INTC_INT2MSKCR1	(INTC_BASE+0x400D4)
21
22/*
23 * Initialize IRQ setting
24 */
25void __init init_sh7763rdp_IRQ(void)
26{
27	/* GPIO enabled */
28	__raw_writel(1 << 25, INTC_INT2MSKCR);
29
30	/* enable GPIO interrupts */
31	__raw_writel((__raw_readl(INTC_INT2PRI7) & 0xFF00FFFF) | 0x000F0000,
32		  INTC_INT2PRI7);
33
34	/* USBH enabled */
35	__raw_writel(1 << 17, INTC_INT2MSKCR1);
36
37	/* GETHER enabled */
38	__raw_writel(1 << 16, INTC_INT2MSKCR1);
39
40	/* DMAC enabled */
41	__raw_writel(1 << 8, INTC_INT2MSKCR);
42}
43