release/src-rt-6.x/linux/linux-2.6/include/asm-arm26/serial.h

   1 /*
   2  *  linux/include/asm-arm/serial.h
   3  *
   4  *  Copyright (C) 1996 Russell King.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  *
  10  *  Changelog:
  11  *   15-10-1996 RMK     Created
  12  */
  13
  14 #ifndef __ASM_SERIAL_H
  15 #define __ASM_SERIAL_H
  16
  17
  18 /*
  19  * This assumes you have a 1.8432 MHz clock for your UART.
  20  *
  21  * It'd be nice if someone built a serial card with a 24.576 MHz
  22  * clock, since the 16550A is capable of handling a top speed of 1.5
  23  * megabits/second; but this requires the faster clock.
  24  */
  25 #define BASE_BAUD (1843200 / 16)
  26
  27 #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
  28
  29 #if defined(CONFIG_ARCH_A5K)
  30      /* UART CLK        PORT  IRQ     FLAGS        */
  31
  32 #define SERIAL_PORT_DFNS                                                \
  33         { 0, BASE_BAUD, 0x3F8, 10, STD_COM_FLAGS },     /* ttyS0 */     \
  34         { 0, BASE_BAUD, 0x2F8, 10, STD_COM_FLAGS },     /* ttyS1 */
  35
  36 #else
  37
  38 #define SERIAL_PORT_DFNS                                                \
  39         { 0, BASE_BAUD, 0    ,  0, STD_COM_FLAGS },     /* ttyS0 */     \
  40         { 0, BASE_BAUD, 0    ,  0, STD_COM_FLAGS },     /* ttyS1 */
  41
  42 #endif
  43
  44 #endif