text: /*-
   * Copyright (c) 2009 Oleksandr Tymoshenko
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   *
   */
  #include "opt_uart.h"
  
  #include <sys/cdefs.h>
  __FBSDID("$FreeBSD: releng/11.0/sys/mips/atheros/uart_cpu_ar71xx.c 253509 2013-07-21 03:54:39Z adrian $");
  
  #include <sys/param.h>
  #include <sys/systm.h>
  #include <sys/bus.h>
  
  #include <machine/bus.h>
  
  #include <dev/uart/uart.h>
  #include <dev/uart/uart_cpu.h>
  
  #include <mips/atheros/ar71xxreg.h>
  #include <mips/atheros/ar71xx_cpudef.h>
  #include <mips/atheros/ar71xx_bus_space_reversed.h>
  
  bus_space_tag_t uart_bus_space_io;
  bus_space_tag_t uart_bus_space_mem;
  
  int
  uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2)
  {
  	return ((b1->bsh == b2->bsh && b1->bst == b2->bst) ? 1 : 0);
  }
  
  int
  uart_cpu_getdev(int devtype, struct uart_devinfo *di)
  {
  	uint64_t freq;
  
  	freq = ar71xx_uart_freq();
  
  	di->ops = uart_getops(&uart_ns8250_class);
  	di->bas.chan = 0;
  	di->bas.bst = ar71xx_bus_space_reversed;
  	di->bas.regshft = 2;
  	di->bas.rclk = freq;
  	di->baudrate = 115200;
  	di->databits = 8;
  	di->stopbits = 1;
  
  	di->parity = UART_PARITY_NONE;
  
  	uart_bus_space_io = NULL;
  	uart_bus_space_mem = ar71xx_bus_space_reversed;
  	di->bas.bsh = MIPS_PHYS_TO_KSEG1(AR71XX_UART_ADDR);
  	return (0);
  }
  