1/*
2 * linux/arch/sh/boards/renesas/sdk7780/irq.c
3 *
4 * Renesas Technology Europe SDK7780 Support.
5 *
6 * Copyright (C) 2008  Nicholas Beck <nbeck@mpc-data.co.uk>
7 *
8 * This file is subject to the terms and conditions of the GNU General Public
9 * License.  See the file "COPYING" in the main directory of this archive
10 * for more details.
11 */
12#include <linux/init.h>
13#include <linux/irq.h>
14#include <linux/io.h>
15#include <mach/sdk7780.h>
16
17enum {
18	UNUSED = 0,
19	/* board specific interrupt sources */
20	SMC91C111,	/* Ethernet controller */
21};
22
23static struct intc_vect fpga_vectors[] __initdata = {
24	INTC_IRQ(SMC91C111, IRQ_ETHERNET),
25};
26
27static struct intc_mask_reg fpga_mask_registers[] __initdata = {
28	{ 0, FPGA_IRQ0MR, 16,
29	  { 0, 0, 0, 0, 0, 0, 0, 0,
30	    0, 0, 0, SMC91C111, 0, 0, 0, 0 } },
31};
32
33static DECLARE_INTC_DESC(fpga_intc_desc, "sdk7780-irq", fpga_vectors,
34			 NULL, fpga_mask_registers, NULL, NULL);
35
36void __init init_sdk7780_IRQ(void)
37{
38	printk(KERN_INFO "Using SDK7780 interrupt controller.\n");
39
40	__raw_writew(0xFFFF, FPGA_IRQ0MR);
41	/* Setup IRL 0-3 */
42	__raw_writew(0x0003, FPGA_IMSR);
43	plat_irq_setup_pins(IRQ_MODE_IRL3210);
44
45	register_intc_controller(&fpga_intc_desc);
46}
47