1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (C) 2002 David McCullough <davidm@snapgear.com>
4 * Copyright (C) 2003 Paul Mundt <lethal@linux-sh.org>
5 *
6 * Based on files with the following comments:
7 *
8 * Copyright (C) 2000 Kazumoto Kojima
9 *
10 * Modified for 7751 Solution Engine by
11 * Ian da Silva and Jeremy Siegel, 2001.
12 */
13#include <linux/init.h>
14#include <linux/irq.h>
15#include <linux/interrupt.h>
16#include <linux/timer.h>
17#include <linux/delay.h>
18#include <linux/sched.h>
19#include <asm/machvec.h>
20#include <mach/secureedge5410.h>
21#include <asm/irq.h>
22#include <asm/io.h>
23#include <cpu/timer.h>
24
25unsigned short secureedge5410_ioport;
26
27/*
28 * EraseConfig handling functions
29 */
30static irqreturn_t eraseconfig_interrupt(int irq, void *dev_id)
31{
32 printk("SnapGear: erase switch interrupt!\n");
33
34 return IRQ_HANDLED;
35}
36
37static int __init eraseconfig_init(void)
38{
39 unsigned int irq = evt2irq(0x240);
40
41 printk("SnapGear: EraseConfig init\n");
42
43 /* Setup "EraseConfig" switch on external IRQ 0 */
44 if (request_irq(irq, handler: eraseconfig_interrupt, flags: 0, name: "Erase Config", NULL))
45 printk("SnapGear: failed to register IRQ%d for Reset witch\n",
46 irq);
47 else
48 printk("SnapGear: registered EraseConfig switch on IRQ%d\n",
49 irq);
50 return 0;
51}
52device_initcall(eraseconfig_init);
53
54/*
55 * Initialize IRQ setting
56 *
57 * IRL0 = erase switch
58 * IRL1 = eth0
59 * IRL2 = eth1
60 * IRL3 = crypto
61 */
62static void __init init_snapgear_IRQ(void)
63{
64 printk("Setup SnapGear IRQ/IPR ...\n");
65 /* enable individual interrupt mode for externals */
66 plat_irq_setup_pins(IRQ_MODE_IRQ);
67}
68
69/*
70 * The Machine Vector
71 */
72static struct sh_machine_vector mv_snapgear __initmv = {
73 .mv_name = "SnapGear SecureEdge5410",
74 .mv_init_irq = init_snapgear_IRQ,
75};
76

source code of linux/arch/sh/boards/board-secureedge5410.c