diff options
Diffstat (limited to 'drivers/serial/8250_mca.c')
-rw-r--r-- | drivers/serial/8250_mca.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/serial/8250_mca.c b/drivers/serial/8250_mca.c new file mode 100644 index 000000000000..f0c40d68b8c1 --- /dev/null +++ b/drivers/serial/8250_mca.c | |||
@@ -0,0 +1,64 @@ | |||
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"); | ||