1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Copyright (C) 2002 David McCullough <davidm@snapgear.com>
4*4882a593Smuzhiyun * Copyright (C) 2003 Paul Mundt <lethal@linux-sh.org>
5*4882a593Smuzhiyun *
6*4882a593Smuzhiyun * Based on files with the following comments:
7*4882a593Smuzhiyun *
8*4882a593Smuzhiyun * Copyright (C) 2000 Kazumoto Kojima
9*4882a593Smuzhiyun *
10*4882a593Smuzhiyun * Modified for 7751 Solution Engine by
11*4882a593Smuzhiyun * Ian da Silva and Jeremy Siegel, 2001.
12*4882a593Smuzhiyun */
13*4882a593Smuzhiyun #include <linux/init.h>
14*4882a593Smuzhiyun #include <linux/irq.h>
15*4882a593Smuzhiyun #include <linux/interrupt.h>
16*4882a593Smuzhiyun #include <linux/timer.h>
17*4882a593Smuzhiyun #include <linux/delay.h>
18*4882a593Smuzhiyun #include <linux/sched.h>
19*4882a593Smuzhiyun #include <asm/machvec.h>
20*4882a593Smuzhiyun #include <mach/secureedge5410.h>
21*4882a593Smuzhiyun #include <asm/irq.h>
22*4882a593Smuzhiyun #include <asm/io.h>
23*4882a593Smuzhiyun #include <cpu/timer.h>
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun unsigned short secureedge5410_ioport;
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun /*
28*4882a593Smuzhiyun * EraseConfig handling functions
29*4882a593Smuzhiyun */
eraseconfig_interrupt(int irq,void * dev_id)30*4882a593Smuzhiyun static irqreturn_t eraseconfig_interrupt(int irq, void *dev_id)
31*4882a593Smuzhiyun {
32*4882a593Smuzhiyun printk("SnapGear: erase switch interrupt!\n");
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun return IRQ_HANDLED;
35*4882a593Smuzhiyun }
36*4882a593Smuzhiyun
eraseconfig_init(void)37*4882a593Smuzhiyun static int __init eraseconfig_init(void)
38*4882a593Smuzhiyun {
39*4882a593Smuzhiyun unsigned int irq = evt2irq(0x240);
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun printk("SnapGear: EraseConfig init\n");
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun /* Setup "EraseConfig" switch on external IRQ 0 */
44*4882a593Smuzhiyun if (request_irq(irq, eraseconfig_interrupt, 0, "Erase Config", NULL))
45*4882a593Smuzhiyun printk("SnapGear: failed to register IRQ%d for Reset witch\n",
46*4882a593Smuzhiyun irq);
47*4882a593Smuzhiyun else
48*4882a593Smuzhiyun printk("SnapGear: registered EraseConfig switch on IRQ%d\n",
49*4882a593Smuzhiyun irq);
50*4882a593Smuzhiyun return 0;
51*4882a593Smuzhiyun }
52*4882a593Smuzhiyun device_initcall(eraseconfig_init);
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun /*
55*4882a593Smuzhiyun * Initialize IRQ setting
56*4882a593Smuzhiyun *
57*4882a593Smuzhiyun * IRL0 = erase switch
58*4882a593Smuzhiyun * IRL1 = eth0
59*4882a593Smuzhiyun * IRL2 = eth1
60*4882a593Smuzhiyun * IRL3 = crypto
61*4882a593Smuzhiyun */
init_snapgear_IRQ(void)62*4882a593Smuzhiyun static void __init init_snapgear_IRQ(void)
63*4882a593Smuzhiyun {
64*4882a593Smuzhiyun printk("Setup SnapGear IRQ/IPR ...\n");
65*4882a593Smuzhiyun /* enable individual interrupt mode for externals */
66*4882a593Smuzhiyun plat_irq_setup_pins(IRQ_MODE_IRQ);
67*4882a593Smuzhiyun }
68*4882a593Smuzhiyun
69*4882a593Smuzhiyun /*
70*4882a593Smuzhiyun * The Machine Vector
71*4882a593Smuzhiyun */
72*4882a593Smuzhiyun static struct sh_machine_vector mv_snapgear __initmv = {
73*4882a593Smuzhiyun .mv_name = "SnapGear SecureEdge5410",
74*4882a593Smuzhiyun .mv_init_irq = init_snapgear_IRQ,
75*4882a593Smuzhiyun };
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