ia64/linux-2.6.18-xen.hg

view drivers/serial/8250_fourport.c @ 893:f994bfe9b93b

linux/blktap2: reduce TLB flush scope

c/s 885 added very coarse TLB flushing. Since these flushes always
follow single page updates, single page flushes (when available) are
sufficient.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
author Keir Fraser <keir.fraser@citrix.com>
date Thu Jun 04 10:32:57 2009 +0100 (2009-06-04)
parents 831230e53067
children
line source
1 /*
2 * linux/drivers/serial/8250_fourport.c
3 *
4 * Copyright (C) 2005 Russell King.
5 * Data taken from include/asm-i386/serial.h
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11 #include <linux/module.h>
12 #include <linux/init.h>
13 #include <linux/serial_8250.h>
15 #define PORT(_base,_irq) \
16 { \
17 .iobase = _base, \
18 .irq = _irq, \
19 .uartclk = 1843200, \
20 .iotype = UPIO_PORT, \
21 .flags = UPF_BOOT_AUTOCONF | UPF_FOURPORT, \
22 }
24 static struct plat_serial8250_port fourport_data[] = {
25 PORT(0x1a0, 9),
26 PORT(0x1a8, 9),
27 PORT(0x1b0, 9),
28 PORT(0x1b8, 9),
29 PORT(0x2a0, 5),
30 PORT(0x2a8, 5),
31 PORT(0x2b0, 5),
32 PORT(0x2b8, 5),
33 { },
34 };
36 static struct platform_device fourport_device = {
37 .name = "serial8250",
38 .id = PLAT8250_DEV_FOURPORT,
39 .dev = {
40 .platform_data = fourport_data,
41 },
42 };
44 static int __init fourport_init(void)
45 {
46 return platform_device_register(&fourport_device);
47 }
49 module_init(fourport_init);
51 MODULE_AUTHOR("Russell King");
52 MODULE_DESCRIPTION("8250 serial probe module for AST Fourport cards");
53 MODULE_LICENSE("GPL");