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
16 extern 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
31 static 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
37 static struct platform_device uart8250_device = {
38 .name = "serial8250",
39 .id = PLAT8250_DEV_PLATFORM,
40 .dev = {
41 .platform_data = uart8250_data,
42 },
43 };
44
uart8250_init(void)45 static int __init uart8250_init(void)
46 {
47 return platform_device_register(&uart8250_device);
48 }
49
50 device_initcall(uart8250_init);
51
meth_devinit(void)52 static __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
68 device_initcall(meth_devinit);
69
sgio2audio_devinit(void)70 static __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
86 device_initcall(sgio2audio_devinit);
87
sgio2btns_devinit(void)88 static __init int sgio2btns_devinit(void)
89 {
90 return IS_ERR(platform_device_register_simple("sgibtns", -1, NULL, 0));
91 }
92
93 device_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
98 static 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). */
111 static struct ds1685_rtc_platform_data
112 ip32_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
123 struct 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
sgio2_rtc_devinit(void)133 static __init int sgio2_rtc_devinit(void)
134 {
135 return platform_device_register(&ip32_rtc_device);
136 }
137
138 device_initcall(sgio2_rtc_devinit);
139