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Diffstat (limited to 'arch/sh/boards/renesas/sh7763rdp/irq.c')
-rw-r--r--arch/sh/boards/renesas/sh7763rdp/irq.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/sh/boards/renesas/sh7763rdp/irq.c b/arch/sh/boards/renesas/sh7763rdp/irq.c
new file mode 100644
index 000000000000..fd850bad2dec
--- /dev/null
+++ b/arch/sh/boards/renesas/sh7763rdp/irq.c
@@ -0,0 +1,45 @@
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 <asm/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 ctrl_outl(1 << 25, INTC_INT2MSKCR);
32
33 /* enable GPIO interrupts */
34 ctrl_outl((ctrl_inl(INTC_INT2PRI7) & 0xFF00FFFF) | 0x000F0000,
35 INTC_INT2PRI7);
36
37 /* USBH enabled */
38 ctrl_outl(1 << 17, INTC_INT2MSKCR1);
39
40 /* GETHER enabled */
41 ctrl_outl(1 << 16, INTC_INT2MSKCR1);
42
43 /* DMAC enabled */
44 ctrl_outl(1 << 8, INTC_INT2MSKCR);
45}