release/src-rt-6.x.4708/linux/linux-2.6.36/arch/mips/kernel/8250-platform.c

   1 /*
   2  * This file is subject to the terms and conditions of the GNU General Public
   3  * License.  See the file "COPYING" in the main directory of this archive
   4  * for more details.
   5  *
   6  * Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org)
   7  */
   8 #include <linux/module.h>
   9 #include <linux/init.h>
  10 #include <linux/serial_8250.h>
  11
  12 #define PORT(base, int)                                                 \
  13 {                                                                       \
  14         .iobase         = base,                                         \
  15         .irq            = int,                                          \
  16         .uartclk        = 1843200,                                      \
  17         .iotype         = UPIO_PORT,                                    \
  18         .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,            \
  19         .regshift       = 0,                                            \
  20 }
  21
  22 static struct plat_serial8250_port uart8250_data[] = {
  23         PORT(0x3F8, 4),
  24         PORT(0x2F8, 3),
  25         PORT(0x3E8, 4),
  26         PORT(0x2E8, 3),
  27         { },
  28 };
  29
  30 static struct platform_device uart8250_device = {
  31         .name                   = "serial8250",
  32         .id                     = PLAT8250_DEV_PLATFORM,
  33         .dev                    = {
  34                 .platform_data  = uart8250_data,
  35         },
  36 };
  37
  38 static int __init uart8250_init(void)
  39 {
  40         return platform_device_register(&uart8250_device);
  41 }
  42
  43 module_init(uart8250_init);
  44
  45 MODULE_AUTHOR("Ralf Baechle <ralf@linux-mips.org>");
  46 MODULE_LICENSE("GPL");
  47 MODULE_DESCRIPTION("Generic 8250 UART probe driver");