1/*
2 * linux/arch/sh/boards/snapgear/setup.c
3 *
4 * Copyright (C) 2002  David McCullough <davidm@snapgear.com>
5 * Copyright (C) 2003  Paul Mundt <lethal@linux-sh.org>
6 *
7 * Based on files with the following comments:
8 *
9 *           Copyright (C) 2000  Kazumoto Kojima
10 *
11 *           Modified for 7751 Solution Engine by
12 *           Ian da Silva and Jeremy Siegel, 2001.
13 */
14#include <linux/init.h>
15#include <linux/irq.h>
16#include <linux/interrupt.h>
17#include <linux/timer.h>
18#include <linux/delay.h>
19#include <linux/module.h>
20#include <linux/sched.h>
21#include <asm/machvec.h>
22#include <asm/snapgear.h>
23#include <asm/irq.h>
24#include <asm/io.h>
25#include <asm/rtc.h>
26#include <asm/cpu/timer.h>
27
28extern void secureedge5410_rtc_init(void);
29extern void pcibios_init(void);
30
31/****************************************************************************/
32/*
33 * EraseConfig handling functions
34 */
35
36static irqreturn_t eraseconfig_interrupt(int irq, void *dev_id)
37{
38	volatile char dummy __attribute__((unused)) = * (volatile char *) 0xb8000000;
39
40	printk("SnapGear: erase switch interrupt!\n");
41
42	return IRQ_HANDLED;
43}
44
45static int __init eraseconfig_init(void)
46{
47	printk("SnapGear: EraseConfig init\n");
48	/* Setup "EraseConfig" switch on external IRQ 0 */
49	if (request_irq(IRL0_IRQ, eraseconfig_interrupt, IRQF_DISABLED,
50				"Erase Config", NULL))
51		printk("SnapGear: failed to register IRQ%d for Reset witch\n",
52				IRL0_IRQ);
53	else
54		printk("SnapGear: registered EraseConfig switch on IRQ%d\n",
55				IRL0_IRQ);
56	return(0);
57}
58
59module_init(eraseconfig_init);
60
61/****************************************************************************/
62/*
63 * Initialize IRQ setting
64 *
65 * IRL0 = erase switch
66 * IRL1 = eth0
67 * IRL2 = eth1
68 * IRL3 = crypto
69 */
70
71static struct ipr_data snapgear_ipr_map[] = {
72	make_ipr_irq(IRL0_IRQ, IRL0_IPR_ADDR, IRL0_IPR_POS, IRL0_PRIORITY);
73	make_ipr_irq(IRL1_IRQ, IRL1_IPR_ADDR, IRL1_IPR_POS, IRL1_PRIORITY);
74	make_ipr_irq(IRL2_IRQ, IRL2_IPR_ADDR, IRL2_IPR_POS, IRL2_PRIORITY);
75	make_ipr_irq(IRL3_IRQ, IRL3_IPR_ADDR, IRL3_IPR_POS, IRL3_PRIORITY);
76};
77
78static void __init init_snapgear_IRQ(void)
79{
80	/* enable individual interrupt mode for externals */
81	ctrl_outw(ctrl_inw(INTC_ICR) | INTC_ICR_IRLM, INTC_ICR);
82
83	printk("Setup SnapGear IRQ/IPR ...\n");
84
85	make_ipr_irq(snapgear_ipr_map, ARRAY_SIZE(snapgear_ipr_map));
86}
87
88/*
89 * Initialize the board
90 */
91static void __init snapgear_setup(char **cmdline_p)
92{
93	board_time_init = secureedge5410_rtc_init;
94}
95
96/*
97 * The Machine Vector
98 */
99struct sh_machine_vector mv_snapgear __initmv = {
100	.mv_name		= "SnapGear SecureEdge5410",
101	.mv_setup		= snapgear_setup,
102	.mv_nr_irqs		= 72,
103
104	.mv_inb			= snapgear_inb,
105	.mv_inw			= snapgear_inw,
106	.mv_inl			= snapgear_inl,
107	.mv_outb		= snapgear_outb,
108	.mv_outw		= snapgear_outw,
109	.mv_outl		= snapgear_outl,
110
111	.mv_inb_p		= snapgear_inb_p,
112	.mv_inw_p		= snapgear_inw,
113	.mv_inl_p		= snapgear_inl,
114	.mv_outb_p		= snapgear_outb_p,
115	.mv_outw_p		= snapgear_outw,
116	.mv_outl_p		= snapgear_outl,
117
118	.mv_init_irq		= init_snapgear_IRQ,
119};
120ALIAS_MV(snapgear)
121