summaryrefslogtreecommitdiffstats
path: root/arch/sh/boards/landisk/setup.c
blob: 122d6996263763dc43a785ddae91b0f36a6fa808 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
/*
 * arch/sh/boards/landisk/setup.c
 *
 * Copyright (C) 2000 Kazumoto Kojima
 * Copyright (C) 2002 Paul Mundt
 *
 * I-O DATA Device, Inc. LANDISK Support.
 *
 * Modified for LANDISK by
 * Atom Create Engineering Co., Ltd. 2002.
 *
 * modifed by kogiidena
 * 2005.09.16
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 */
#include <linux/init.h>
#include <linux/pm.h>
#include <linux/mm.h>
#include <asm/machvec.h>
#include <asm/rtc.h>
#include <asm/landisk/iodata_landisk.h>
#include <asm/io.h>

void landisk_time_init(void);
void init_landisk_IRQ(void);

int landisk_ledparam;
int landisk_buzzerparam;
int landisk_arch;

/* cycle the led's in the clasic knightrider/sun pattern */
static void heartbeat_landisk(void)
{
	static unsigned int cnt = 0, blink = 0x00, period = 25;
        volatile u8 *p = (volatile u8 *)PA_LED;
	char data;

        if ((landisk_ledparam & 0x080) == 0)
		return;

	cnt += 1;

        if (cnt < period)
		return;

	cnt = 0;
	blink++;

	data = (blink & 0x01) ? (landisk_ledparam >> 16) : 0;
	data |= (blink & 0x02) ? (landisk_ledparam >> 8) : 0;
	data |= landisk_ledparam;

	/* buzzer */
	if (landisk_buzzerparam & 0x1) {
		data |= 0x80;
	} else {
		data &= 0x7f;
	}
	*p = data;

        if (((landisk_ledparam & 0x007f7f00) == 0) &&
             (landisk_buzzerparam == 0))
		landisk_ledparam &= (~0x0080);

	landisk_buzzerparam >>= 1;
}

static void landisk_power_off(void)
{
        ctrl_outb(0x01, PA_SHUTDOWN);
}

static void check_usl5p(void)
{
        volatile u8 *p = (volatile u8 *)PA_LED;
        u8 tmp1, tmp2;

        tmp1 = *p;
        *p = 0x40;
        tmp2 = *p;
        *p = tmp1;

        landisk_arch = (tmp2 == 0x40);
        if (landisk_arch == 1) {
                /* arch == usl-5p */
                landisk_ledparam = 0x00000380;
                landisk_ledparam |= (tmp1 & 0x07c);
        } else {
                /* arch == landisk */
                landisk_ledparam = 0x02000180;
                landisk_ledparam |= 0x04;
        }
}

void *area5_io_base;
void *area6_io_base;

static int __init landisk_cf_init(void)
{
	pgprot_t prot;
	unsigned long paddrbase, psize;

	/* open I/O area window */
	paddrbase = virt_to_phys((void *)PA_AREA5_IO);
	psize = PAGE_SIZE;
	prot = PAGE_KERNEL_PCC(1, _PAGE_PCC_IO16);
	area5_io_base = p3_ioremap(paddrbase, psize, prot.pgprot);
	if (!area5_io_base) {
		printk("allocate_cf_area : can't open CF I/O window!\n");
		return -ENOMEM;
	}

	paddrbase = virt_to_phys((void *)PA_AREA6_IO);
	psize = PAGE_SIZE;
	prot = PAGE_KERNEL_PCC(0, _PAGE_PCC_IO16);
	area6_io_base = p3_ioremap(paddrbase, psize, prot.pgprot);
	if (!area6_io_base) {
		printk("allocate_cf_area : can't open HDD I/O window!\n");
		return -ENOMEM;
	}

	printk(KERN_INFO "Allocate Area5/6 success.\n");

	/* XXX : do we need attribute and common-memory area also? */

	return 0;
}

static void __init landisk_setup(char **cmdline_p)
{
	device_initcall(landisk_cf_init);

	landisk_buzzerparam = 0;
	check_usl5p();

	printk(KERN_INFO "I-O DATA DEVICE, INC. \"LANDISK Series\" support.\n");

	board_time_init = landisk_time_init;
	pm_power_off = landisk_power_off;
}

/*
 * The Machine Vector
 */
struct sh_machine_vector mv_landisk __initmv = {
	.mv_name = "LANDISK",
	.mv_setup = landisk_setup,
	.mv_nr_irqs = 72,
	.mv_inb = landisk_inb,
	.mv_inw = landisk_inw,
	.mv_inl = landisk_inl,
	.mv_outb = landisk_outb,
	.mv_outw = landisk_outw,
	.mv_outl = landisk_outl,
	.mv_inb_p = landisk_inb_p,
	.mv_inw_p = landisk_inw,
	.mv_inl_p = landisk_inl,
	.mv_outb_p = landisk_outb_p,
	.mv_outw_p = landisk_outw,
	.mv_outl_p = landisk_outl,
	.mv_insb = landisk_insb,
	.mv_insw = landisk_insw,
	.mv_insl = landisk_insl,
	.mv_outsb = landisk_outsb,
	.mv_outsw = landisk_outsw,
	.mv_outsl = landisk_outsl,
	.mv_ioport_map = landisk_ioport_map,
	.mv_init_irq = init_landisk_IRQ,
#ifdef CONFIG_HEARTBEAT
	.mv_heartbeat = heartbeat_landisk,
#endif
};
ALIAS_MV(landisk)