tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * linux/drivers/serial/8250_mca.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/config.h>
12#include <linux/module.h>
13#include <linux/init.h>
14#include <linux/mca.h>
15#include <linux/serial_8250.h>
16
17/*
18 * FIXME: Should we be doing AUTO_IRQ here?
19 */
20#ifdef CONFIG_SERIAL_8250_DETECT_IRQ
21#define MCA_FLAGS UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ
22#else
23#define MCA_FLAGS UPF_BOOT_AUTOCONF | UPF_SKIP_TEST
24#endif
25
26#define PORT(_base,_irq) \
27 { \
28 .iobase = _base, \
29 .irq = _irq, \
30 .uartclk = 1843200, \
31 .iotype = UPIO_PORT, \
32 .flags = MCA_FLAGS, \
33 }
34
35static struct plat_serial8250_port mca_data[] = {
36 PORT(0x3220, 3),
37 PORT(0x3228, 3),
38 PORT(0x4220, 3),
39 PORT(0x4228, 3),
40 PORT(0x5220, 3),
41 PORT(0x5228, 3),
42 { },
43};
44
45static struct platform_device mca_device = {
46 .name = "serial8250",
47 .id = PLAT8250_DEV_MCA,
48 .dev = {
49 .platform_data = mca_data,
50 },
51};
52
53static int __init mca_init(void)
54{
55 if (!MCA_bus)
56 return -ENODEV;
57 return platform_device_register(&mca_device);
58}
59
60module_init(mca_init);
61
62MODULE_AUTHOR("Russell King");
63MODULE_DESCRIPTION("8250 serial probe module for MCA ports");
64MODULE_LICENSE("GPL");