drivers/tty/serial/8250/8250_hub6.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  *  Copyright (C) 2005 Russell King.
   4  *  Data taken from include/asm-i386/serial.h
   5  */
   6 #include <linux/module.h>
   7 #include <linux/init.h>
   8 #include <linux/serial_8250.h>
   9
  10 #define HUB6(card, port)                                                \
  11         {                                                               \
  12                 .iobase         = 0x302,                                \
  13                 .irq            = 3,                                    \
  14                 .uartclk        = 1843200,                              \
  15                 .iotype         = UPIO_HUB6,                            \
  16                 .flags          = UPF_BOOT_AUTOCONF,                    \
  17                 .hub6           = (card) << 6 | (port) << 3 | 1,        \
  18         }
  19
  20 static struct plat_serial8250_port hub6_data[] = {
  21         HUB6(0, 0),
  22         HUB6(0, 1),
  23         HUB6(0, 2),
  24         HUB6(0, 3),
  25         HUB6(0, 4),
  26         HUB6(0, 5),
  27         HUB6(1, 0),
  28         HUB6(1, 1),
  29         HUB6(1, 2),
  30         HUB6(1, 3),
  31         HUB6(1, 4),
  32         HUB6(1, 5),
  33         { },
  34 };
  35
  36 static struct platform_device hub6_device = {
  37         .name                   = "serial8250",
  38         .id                     = PLAT8250_DEV_HUB6,
  39         .dev                    = {
  40                 .platform_data  = hub6_data,
  41         },
  42 };
  43
  44 static int __init hub6_init(void)
  45 {
  46         return platform_device_register(&hub6_device);
  47 }
  48
  49 module_init(hub6_init);
  50
  51 MODULE_AUTHOR("Russell King");
  52 MODULE_DESCRIPTION("8250 serial probe module for Hub6 cards");
  53 MODULE_LICENSE("GPL");