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 
25 unsigned short secureedge5410_ioport;
26 
27 /*
28  * EraseConfig handling functions
29  */
eraseconfig_interrupt(int irq,void * dev_id)30 static irqreturn_t eraseconfig_interrupt(int irq, void *dev_id)
31 {
32 	printk("SnapGear: erase switch interrupt!\n");
33 
34 	return IRQ_HANDLED;
35 }
36 
eraseconfig_init(void)37 static 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, eraseconfig_interrupt, 0, "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 }
52 device_initcall(eraseconfig_init);
53 
54 /*
55  * Initialize IRQ setting
56  *
57  * IRL0 = erase switch
58  * IRL1 = eth0
59  * IRL2 = eth1
60  * IRL3 = crypto
61  */
init_snapgear_IRQ(void)62 static 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  */
72 static struct sh_machine_vector mv_snapgear __initmv = {
73 	.mv_name		= "SnapGear SecureEdge5410",
74 	.mv_init_irq		= init_snapgear_IRQ,
75 };
76