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/*
*
* BRIEF MODULE DESCRIPTION
* Low level uart routines to directly access a TX[34]927 SIO.
*
* Copyright 2001 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ahennessy@mvista.com or source@mvista.com
*
* Copyright (C) 2000-2001 Toshiba Corporation
*
* Based on arch/mips/au1000/common/puts.c
*
* 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 SOFTWARE IS PROVIDED ``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.
*
* 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.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <asm/jmr3927/tx3927.h>
#define TIMEOUT 0xffffff
void
prom_putchar(char c)
{
int i = 0;
do {
i++;
if (i>TIMEOUT)
break;
} while (!(tx3927_sioptr(1)->cisr & TXx927_SICISR_TXALS));
tx3927_sioptr(1)->tfifo = c;
return;
}
void
puts(const char *cp)
{
while (*cp)
prom_putchar(*cp++);
prom_putchar('\r');
prom_putchar('\n');
}
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