summaryrefslogtreecommitdiff
path: root/arch/mips/sgi-ip32/ip32-platform.c
blob: 5a2a82148d8d4f633c644f951ca87f252bdce09b (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
/*
 * 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.
 *
 * Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org)
 */
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/serial_8250.h>
#include <linux/rtc/ds1685.h>

#include <asm/ip32/mace.h>
#include <asm/ip32/ip32_ints.h>

extern void ip32_prepare_poweroff(void);

#define MACEISA_SERIAL1_OFFS   offsetof(struct sgi_mace, isa.serial1)
#define MACEISA_SERIAL2_OFFS   offsetof(struct sgi_mace, isa.serial2)

#define MACE_PORT(offset,_irq)						\
{									\
	.mapbase	= MACE_BASE + offset,				\
	.irq		= _irq,						\
	.uartclk	= 1843200,					\
	.iotype		= UPIO_MEM,					\
	.flags		= UPF_SKIP_TEST|UPF_IOREMAP,			\
	.regshift	= 8,						\
}

static struct plat_serial8250_port uart8250_data[] = {
	MACE_PORT(MACEISA_SERIAL1_OFFS, MACEISA_SERIAL1_IRQ),
	MACE_PORT(MACEISA_SERIAL2_OFFS, MACEISA_SERIAL2_IRQ),
	{ },
};

static struct platform_device uart8250_device = {
	.name			= "serial8250",
	.id			= PLAT8250_DEV_PLATFORM,
	.dev			= {
		.platform_data	= uart8250_data,
	},
};

static int __init uart8250_init(void)
{
	return platform_device_register(&uart8250_device);
}

device_initcall(uart8250_init);

static __init int meth_devinit(void)
{
	struct platform_device *pd;
	int ret;

	pd = platform_device_alloc("meth", -1);
	if (!pd)
		return -ENOMEM;

	ret = platform_device_add(pd);
	if (ret)
		platform_device_put(pd);

	return ret;
}

device_initcall(meth_devinit);

static __init int sgio2audio_devinit(void)
{
	struct platform_device *pd;
	int ret;

	pd = platform_device_alloc("sgio2audio", -1);
	if (!pd)
		return -ENOMEM;

	ret = platform_device_add(pd);
	if (ret)
		platform_device_put(pd);

	return ret;
}

device_initcall(sgio2audio_devinit);

static __init int sgio2btns_devinit(void)
{
	return IS_ERR(platform_device_register_simple("sgibtns", -1, NULL, 0));
}

device_initcall(sgio2btns_devinit);

#define MACE_RTC_RES_START (MACE_BASE + offsetof(struct sgi_mace, isa.rtc))
#define MACE_RTC_RES_END (MACE_RTC_RES_START + 32767)

static struct resource ip32_rtc_resources[] = {
	{
		.start	= MACEISA_RTC_IRQ,
		.end	= MACEISA_RTC_IRQ,
		.flags	= IORESOURCE_IRQ
	}, {
		.start	= MACE_RTC_RES_START,
		.end	= MACE_RTC_RES_END,
		.flags	= IORESOURCE_MEM,
	}
};

/* RTC registers on IP32 are each padded by 256 bytes (0x100). */
static struct ds1685_rtc_platform_data
ip32_rtc_platform_data[] = {
	{
		.regstep = 0x100,
		.bcd_mode = true,
		.no_irq = false,
		.uie_unsupported = false,
		.alloc_io_resources = true,
		.plat_prepare_poweroff = ip32_prepare_poweroff,
	},
};

struct platform_device ip32_rtc_device = {
	.name			= "rtc-ds1685",
	.id			= -1,
	.dev			= {
		.platform_data	= ip32_rtc_platform_data,
	},
	.num_resources		= ARRAY_SIZE(ip32_rtc_resources),
	.resource		= ip32_rtc_resources,
};

static __init int sgio2_rtc_devinit(void)
{
	return platform_device_register(&ip32_rtc_device);
}

device_initcall(sgio2_rtc_devinit);