xburst-tools/qiboot/src/serial.c

/*
 * (C) Copyright 2007 OpenMoko, Inc.
 * Author: xiangfu liu <xiangfu@openmoko.org>
 *
 * Configuation settings for the FIC Neo GTA02 Linux GSM phone
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#include "serial.h"
#include "blink_led.h"

void serial_init (const int ubrdiv_val,const int uart)
{
  switch(uart)
    {
    case UART0:
      rULCON0 = 0x3;
      rUCON0 = 0x245;
      rUFCON0 = 0x0;
      rUMCON0 = 0x0;
      rUBRDIV0 = ubrdiv_val;
      break;
    case UART1:
      rULCON1 = 0x3;
      rUCON1 = 0x245;
      rUFCON1 = 0x0;
      rUMCON1 = 0x0;
      rUBRDIV1 = ubrdiv_val;
      break;
    case UART2:
      rULCON2 = 0x3;
      rUCON2 = 0x245;
      rUFCON2 = 0x0;
      rUBRDIV2 = ubrdiv_val;
      break;
    default:
      break;
    }
}
/*
 * Output a single byte to the serial port.
 */
void serial_putc (const int uart,const char c)
{
  switch(uart)
    {
    case UART0:
      while ( !( rUTRSTAT0 & 0x2 ) );
      delay(10);
      WrUTXH0(c);
      break;
    case UART1:
      while ( !( rUTRSTAT1 & 0x2 ) );
      delay(10);
      WrUTXH1(c);
      break;
    case UART2:
      while ( !( rUTRSTAT2 & 0x2 ) );
      WrUTXH2(c);
      break;
    default:
      break;
    }
}