Merge branch 'for-2.6.24' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerp...
[linux-2.6] / arch / mips / sgi-ip32 / ip32-platform.c
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/module.h>
9 #include <linux/init.h>
10 #include <linux/platform_device.h>
11 #include <linux/serial_8250.h>
12
13 #include <asm/ip32/mace.h>
14 #include <asm/ip32/ip32_ints.h>
15
16 /*
17  * .iobase isn't a constant (in the sense of C) so we fill it in at runtime.
18  */
19 #define MACE_PORT(int)                                                  \
20 {                                                                       \
21         .irq            = int,                                          \
22         .uartclk        = 1843200,                                      \
23         .iotype         = UPIO_MEM,                                     \
24         .flags          = UPF_SKIP_TEST,                                \
25         .regshift       = 8,                                            \
26 }
27
28 static struct plat_serial8250_port uart8250_data[] = {
29         MACE_PORT(MACEISA_SERIAL1_IRQ),
30         MACE_PORT(MACEISA_SERIAL2_IRQ),
31         { },
32 };
33
34 static struct platform_device uart8250_device = {
35         .name                   = "serial8250",
36         .id                     = PLAT8250_DEV_PLATFORM,
37         .dev                    = {
38                 .platform_data  = uart8250_data,
39         },
40 };
41
42 static int __init uart8250_init(void)
43 {
44         uart8250_data[0].membase = (void __iomem *) &mace->isa.serial1;
45         uart8250_data[1].membase = (void __iomem *) &mace->isa.serial2;
46
47         return platform_device_register(&uart8250_device);
48 }
49
50 device_initcall(uart8250_init);
51
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
70 MODULE_AUTHOR("Ralf Baechle <ralf@linux-mips.org>");
71 MODULE_LICENSE("GPL");
72 MODULE_DESCRIPTION("8250 UART probe driver for SGI IP32 aka O2");