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   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/init.h>
   9 #include <linux/module.h>
  10 #include <linux/serial_8250.h>
  11
  12 #include <asm/ddb5xxx/ddb5477.h>
  13
  14 #define DDB_UART_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP)
  15
  16 #define DDB5477_PORT(base, int)                                         \
  17 {                                                                       \
  18         .mapbase        = base,                                         \
  19         .irq            = int,                                          \
  20         .uartclk        = 1843200,                                      \
  21         .iotype         = UPIO_MEM,                                     \
  22         .flags          = DDB_UART_FLAGS,                               \
  23         .regshift       = 3,                                            \
  24 }
  25
  26 static struct plat_serial8250_port uart8250_data[] = {
  27         DDB5477_PORT(0xbfa04200, VRC5477_IRQ_UART0),
  28         DDB5477_PORT(0xbfa04240, VRC5477_IRQ_UART1),
  29         { },
  30 };
  31
  32 static struct platform_device uart8250_device = {
  33         .name                   = "serial8250",
  34         .id                     = PLAT8250_DEV_PLATFORM,
  35         .dev                    = {
  36                 .platform_data  = uart8250_data,
  37         },
  38 };
  39
  40 static int __init uart8250_init(void)
  41 {
  42         return platform_device_register(&uart8250_device);
  43 }
  44
  45 module_init(uart8250_init);
  46
  47 MODULE_AUTHOR("Ralf Baechle <ralf@linux-mips.org>");
  48 MODULE_LICENSE("GPL");
  49 MODULE_DESCRIPTION("8250 UART probe driver for the NEC DDB5477");