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 | */ |
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 | |
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, 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 | } |
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 | */ |
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 | |