1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License.  See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org)
7 */
8#include <linux/init.h>
9#include <linux/platform_device.h>
10#include <linux/serial_8250.h>
11#include <linux/rtc/ds1685.h>
12
13#include <asm/ip32/mace.h>
14#include <asm/ip32/ip32_ints.h>
15
16extern void ip32_prepare_poweroff(void);
17
18#define MACEISA_SERIAL1_OFFS   offsetof(struct sgi_mace, isa.serial1)
19#define MACEISA_SERIAL2_OFFS   offsetof(struct sgi_mace, isa.serial2)
20
21#define MACE_PORT(offset,_irq)						\
22{									\
23	.mapbase	= MACE_BASE + offset,				\
24	.irq		= _irq,						\
25	.uartclk	= 1843200,					\
26	.iotype		= UPIO_MEM,					\
27	.flags		= UPF_SKIP_TEST|UPF_IOREMAP,			\
28	.regshift	= 8,						\
29}
30
31static struct plat_serial8250_port uart8250_data[] = {
32	MACE_PORT(MACEISA_SERIAL1_OFFS, MACEISA_SERIAL1_IRQ),
33	MACE_PORT(MACEISA_SERIAL2_OFFS, MACEISA_SERIAL2_IRQ),
34	{ },
35};
36
37static struct platform_device uart8250_device = {
38	.name			= "serial8250",
39	.id			= PLAT8250_DEV_PLATFORM,
40	.dev			= {
41		.platform_data	= uart8250_data,
42	},
43};
44
45static int __init uart8250_init(void)
46{
47	return platform_device_register(&uart8250_device);
48}
49
50device_initcall(uart8250_init);
51
52static __init int meth_devinit(void)
53{
54	struct platform_device *pd;
55	int ret;
56
57	pd = platform_device_alloc("meth", -1);
58	if (!pd)
59		return -ENOMEM;
60
61	ret = platform_device_add(pd);
62	if (ret)
63		platform_device_put(pd);
64
65	return ret;
66}
67
68device_initcall(meth_devinit);
69
70static __init int sgio2audio_devinit(void)
71{
72	struct platform_device *pd;
73	int ret;
74
75	pd = platform_device_alloc("sgio2audio", -1);
76	if (!pd)
77		return -ENOMEM;
78
79	ret = platform_device_add(pd);
80	if (ret)
81		platform_device_put(pd);
82
83	return ret;
84}
85
86device_initcall(sgio2audio_devinit);
87
88static __init int sgio2btns_devinit(void)
89{
90	return IS_ERR(platform_device_register_simple("sgibtns", -1, NULL, 0));
91}
92
93device_initcall(sgio2btns_devinit);
94
95#define MACE_RTC_RES_START (MACE_BASE + offsetof(struct sgi_mace, isa.rtc))
96#define MACE_RTC_RES_END (MACE_RTC_RES_START + 32767)
97
98static struct resource ip32_rtc_resources[] = {
99	{
100		.start	= MACEISA_RTC_IRQ,
101		.end	= MACEISA_RTC_IRQ,
102		.flags	= IORESOURCE_IRQ
103	}, {
104		.start	= MACE_RTC_RES_START,
105		.end	= MACE_RTC_RES_END,
106		.flags	= IORESOURCE_MEM,
107	}
108};
109
110/* RTC registers on IP32 are each padded by 256 bytes (0x100). */
111static struct ds1685_rtc_platform_data
112ip32_rtc_platform_data[] = {
113	{
114		.regstep = 0x100,
115		.bcd_mode = true,
116		.no_irq = false,
117		.uie_unsupported = false,
118		.access_type = ds1685_reg_direct,
119		.plat_prepare_poweroff = ip32_prepare_poweroff,
120	},
121};
122
123struct platform_device ip32_rtc_device = {
124	.name			= "rtc-ds1685",
125	.id			= -1,
126	.dev			= {
127		.platform_data	= ip32_rtc_platform_data,
128	},
129	.num_resources		= ARRAY_SIZE(ip32_rtc_resources),
130	.resource		= ip32_rtc_resources,
131};
132
133static __init int sgio2_rtc_devinit(void)
134{
135	return platform_device_register(&ip32_rtc_device);
136}
137
138device_initcall(sgio2_rtc_devinit);
139