include/asm-arm/arch-integrator/serial.h

   1 /*
   2  *  linux/include/asm-arm/arch-integrator/serial.h
   3  *
   4  *  Copyright (C) 1999 ARM Limited
   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 as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20 #ifndef __ASM_ARCH_SERIAL_H
  21 #define __ASM_ARCH_SERIAL_H
  22
  23 #include <asm/arch/platform.h>
  24 #include <asm/irq.h>
  25
  26 /*
  27  * This assumes you have a 1.8432 MHz clock for your UART.
  28  *
  29  * It'd be nice if someone built a serial card with a 24.576 MHz
  30  * clock, since the 16550A is capable of handling a top speed of 1.5
  31  * megabits/second; but this requires the faster clock.
  32  */
  33 #define BASE_BAUD (1843200 / 16)
  34
  35 #define _SER_IRQ0       IRQ_UARTINT0
  36 #define _SER_IRQ1       IRQ_UARTINT1
  37
  38 #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
  39
  40      /* UART CLK        PORT  IRQ     FLAGS        */
  41 #define STD_SERIAL_PORT_DEFNS \
  42         { 0, BASE_BAUD, 0x3F8, _SER_IRQ0, STD_COM_FLAGS },      /* ttyS0 */     \
  43         { 0, BASE_BAUD, 0x2F8, _SER_IRQ1, STD_COM_FLAGS },      /* ttyS1 */
  44
  45 #define EXTRA_SERIAL_PORT_DEFNS
  46
  47 #endif