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ec9f47cd RK |
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 | ||
35 | static 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 | ||
45 | static struct platform_device mca_device = { | |
46 | .name = "serial8250", | |
47 | .id = 5, | |
48 | .dev = { | |
49 | .platform_data = mca_data, | |
50 | }, | |
51 | }; | |
52 | ||
53 | static int __init mca_init(void) | |
54 | { | |
55 | if (!MCA_bus) | |
56 | return -ENODEV; | |
57 | return platform_device_register(&mca_device); | |
58 | } | |
59 | ||
60 | module_init(mca_init); | |
61 | ||
62 | MODULE_AUTHOR("Russell King"); | |
63 | MODULE_DESCRIPTION("8250 serial probe module for MCA ports"); | |
64 | MODULE_LICENSE("GPL"); |