1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * linux/arch/sh/boards/renesas/sdk7780/irq.c
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Renesas Technology Europe SDK7780 Support.
6*4882a593Smuzhiyun *
7*4882a593Smuzhiyun * Copyright (C) 2008 Nicholas Beck <nbeck@mpc-data.co.uk>
8*4882a593Smuzhiyun */
9*4882a593Smuzhiyun #include <linux/init.h>
10*4882a593Smuzhiyun #include <linux/irq.h>
11*4882a593Smuzhiyun #include <linux/io.h>
12*4882a593Smuzhiyun #include <mach/sdk7780.h>
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun enum {
15*4882a593Smuzhiyun UNUSED = 0,
16*4882a593Smuzhiyun /* board specific interrupt sources */
17*4882a593Smuzhiyun SMC91C111, /* Ethernet controller */
18*4882a593Smuzhiyun };
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun static struct intc_vect fpga_vectors[] __initdata = {
21*4882a593Smuzhiyun INTC_IRQ(SMC91C111, IRQ_ETHERNET),
22*4882a593Smuzhiyun };
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun static struct intc_mask_reg fpga_mask_registers[] __initdata = {
25*4882a593Smuzhiyun { 0, FPGA_IRQ0MR, 16,
26*4882a593Smuzhiyun { 0, 0, 0, 0, 0, 0, 0, 0,
27*4882a593Smuzhiyun 0, 0, 0, SMC91C111, 0, 0, 0, 0 } },
28*4882a593Smuzhiyun };
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun static DECLARE_INTC_DESC(fpga_intc_desc, "sdk7780-irq", fpga_vectors,
31*4882a593Smuzhiyun NULL, fpga_mask_registers, NULL, NULL);
32*4882a593Smuzhiyun
init_sdk7780_IRQ(void)33*4882a593Smuzhiyun void __init init_sdk7780_IRQ(void)
34*4882a593Smuzhiyun {
35*4882a593Smuzhiyun printk(KERN_INFO "Using SDK7780 interrupt controller.\n");
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun __raw_writew(0xFFFF, FPGA_IRQ0MR);
38*4882a593Smuzhiyun /* Setup IRL 0-3 */
39*4882a593Smuzhiyun __raw_writew(0x0003, FPGA_IMSR);
40*4882a593Smuzhiyun plat_irq_setup_pins(IRQ_MODE_IRL3210);
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun register_intc_controller(&fpga_intc_desc);
43*4882a593Smuzhiyun }
44