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  */
25 void __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