blob: 3d63721e0e804e117cb0580837014c016856f66c [file] [log] [blame]
Ralf Baechlee7c47822007-07-10 17:33:01 +01001/*
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/module.h>
Ralf Baechlee9712902007-05-24 12:54:04 +01009#include <linux/init.h>
10#include <linux/platform_device.h>
Ralf Baechlee7c47822007-07-10 17:33:01 +010011#include <linux/serial_8250.h>
12
13#include <asm/ip32/mace.h>
14#include <asm/ip32/ip32_ints.h>
15
Thomas Bogendoerferc9900812008-01-05 12:13:11 +010016#define MACEISA_SERIAL1_OFFS offsetof(struct sgi_mace, isa.serial1)
17#define MACEISA_SERIAL2_OFFS offsetof(struct sgi_mace, isa.serial2)
18
19#define MACE_PORT(offset,_irq) \
Ralf Baechlee7c47822007-07-10 17:33:01 +010020{ \
Thomas Bogendoerferc9900812008-01-05 12:13:11 +010021 .mapbase = MACE_BASE + offset, \
22 .irq = _irq, \
Ralf Baechlee7c47822007-07-10 17:33:01 +010023 .uartclk = 1843200, \
24 .iotype = UPIO_MEM, \
Thomas Bogendoerferc9900812008-01-05 12:13:11 +010025 .flags = UPF_SKIP_TEST|UPF_IOREMAP, \
Ralf Baechlee7c47822007-07-10 17:33:01 +010026 .regshift = 8, \
27}
28
29static struct plat_serial8250_port uart8250_data[] = {
Thomas Bogendoerferc9900812008-01-05 12:13:11 +010030 MACE_PORT(MACEISA_SERIAL1_OFFS, MACEISA_SERIAL1_IRQ),
31 MACE_PORT(MACEISA_SERIAL2_OFFS, MACEISA_SERIAL2_IRQ),
Ralf Baechlee7c47822007-07-10 17:33:01 +010032 { },
33};
34
35static struct platform_device uart8250_device = {
36 .name = "serial8250",
37 .id = PLAT8250_DEV_PLATFORM,
38 .dev = {
39 .platform_data = uart8250_data,
40 },
41};
42
43static int __init uart8250_init(void)
44{
Ralf Baechlee7c47822007-07-10 17:33:01 +010045 return platform_device_register(&uart8250_device);
46}
47
48device_initcall(uart8250_init);
Ralf Baechlee9712902007-05-24 12:54:04 +010049
50static __init int meth_devinit(void)
51{
52 struct platform_device *pd;
53 int ret;
54
55 pd = platform_device_alloc("meth", -1);
56 if (!pd)
57 return -ENOMEM;
58
59 ret = platform_device_add(pd);
60 if (ret)
61 platform_device_put(pd);
62
63 return ret;
64}
65
66device_initcall(meth_devinit);
Ralf Baechlee7c47822007-07-10 17:33:01 +010067
Thomas Bogendoerfer8fa9cc12008-07-05 01:12:13 +020068static __init int sgio2audio_devinit(void)
69{
70 struct platform_device *pd;
71 int ret;
72
73 pd = platform_device_alloc("sgio2audio", -1);
74 if (!pd)
75 return -ENOMEM;
76
77 ret = platform_device_add(pd);
78 if (ret)
79 platform_device_put(pd);
80
81 return ret;
82}
83
84device_initcall(sgio2audio_devinit);
85
86static __init int sgio2btns_devinit(void)
87{
Thomas Bogendoerfer36a0a3c2008-07-16 15:18:58 +020088 return IS_ERR(platform_device_register_simple("sgibtns", -1, NULL, 0));
Thomas Bogendoerfer8fa9cc12008-07-05 01:12:13 +020089}
90
91device_initcall(sgio2btns_devinit);
92
Ralf Baechlee7c47822007-07-10 17:33:01 +010093MODULE_AUTHOR("Ralf Baechle <ralf@linux-mips.org>");
94MODULE_LICENSE("GPL");
95MODULE_DESCRIPTION("8250 UART probe driver for SGI IP32 aka O2");