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
17 enum {
18 UNUSED = 0,
19 /* board specific interrupt sources */
20 SMC91C111, /* Ethernet controller */
21 };
22
23 static struct intc_vect fpga_vectors[] __initdata = {
24 INTC_IRQ(SMC91C111, IRQ_ETHERNET),
25 };
26
27 static 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
33 static DECLARE_INTC_DESC(fpga_intc_desc, "sdk7780-irq", fpga_vectors,
34 NULL, fpga_mask_registers, NULL, NULL);
35
init_sdk7780_IRQ(void)36 void __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
