drivers/tty/serial/8250_hub6.c

   1 /*
   2  *  linux/drivers/serial/8250_hub6.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 HUB6(card,port)                                                 \
  16         {                                                               \
  17                 .iobase         = 0x302,                                \
  18                 .irq            = 3,                                    \
  19                 .uartclk        = 1843200,                              \
  20                 .iotype         = UPIO_HUB6,                            \
  21                 .flags          = UPF_BOOT_AUTOCONF,                    \
  22                 .hub6           = (card) << 6 | (port) << 3 | 1,        \
  23         }
  24
  25 static struct plat_serial8250_port hub6_data[] = {
  26         HUB6(0, 0),
  27         HUB6(0, 1),
  28         HUB6(0, 2),
  29         HUB6(0, 3),
  30         HUB6(0, 4),
  31         HUB6(0, 5),
  32         HUB6(1, 0),
  33         HUB6(1, 1),
  34         HUB6(1, 2),
  35         HUB6(1, 3),
  36         HUB6(1, 4),
  37         HUB6(1, 5),
  38         { },
  39 };
  40
  41 static struct platform_device hub6_device = {
  42         .name                   = "serial8250",
  43         .id                     = PLAT8250_DEV_HUB6,
  44         .dev                    = {
  45                 .platform_data  = hub6_data,
  46         },
  47 };
  48
  49 static int __init hub6_init(void)
  50 {
  51         return platform_device_register(&hub6_device);
  52 }
  53
  54 module_init(hub6_init);
  55
  56 MODULE_AUTHOR("Russell King");
  57 MODULE_DESCRIPTION("8250 serial probe module for Hub6 cards");
  58 MODULE_LICENSE("GPL");