| /*- |
| * Copyright (c) 2006 M. Warner Losh. 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 ``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 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. |
| * |
| * This software is derived from software provided by kwikbyte without |
| * copyright as follows: |
| * |
| * No warranty, expressed or implied, is included with this software. It is |
| * provided "AS IS" and no warranty of any kind including statutory or aspects |
| * relating to merchantability or fitness for any purpose is provided. All |
| * intellectual property rights of others is maintained with the respective |
| * owners. This software is not copyrighted and is intended for reference |
| * only. |
| * |
| * $FreeBSD$ |
| */ |
| |
| #include "at91rm9200.h" |
| #include "at91rm9200_lowlevel.h" |
| #include "lib.h" |
| |
| /* |
| * void putchar(int ch) |
| * Writes a character to the DBGU port. It assumes that DBGU has |
| * already been initialized. |
| */ |
| void |
| putchar(int ch) |
| { |
| AT91PS_USART pUSART = (AT91PS_USART)AT91C_BASE_DBGU; |
| |
| while (!(pUSART->US_CSR & AT91C_US_TXRDY)) |
| continue; |
| pUSART->US_THR = (ch & 0xFF); |
| } |
| |
| void |
| xputchar(int ch) |
| { |
| if (ch == '\n') |
| putchar('\r'); |
| putchar(ch); |
| } |