drivers/serial/8250_fourport.c

   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>
  14
  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         }
  23
  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 };
  35
  36 static struct platform_device fourport_device = {
  37         .name                   = "serial8250",
  38         .id                     = 1,
  39         .dev                    = {
  40                 .platform_data  = fourport_data,
  41         },
  42 };
  43
  44 static int __init fourport_init(void)
  45 {
  46         return platform_device_register(&fourport_device);
  47 }
  48
  49 module_init(fourport_init);
  50
  51 MODULE_AUTHOR("Russell King");
  52 MODULE_DESCRIPTION("8250 serial probe module for AST Fourport cards");
  53 MODULE_LICENSE("GPL");