1/*
2 * linux/arch/mips/tx4927/common/tx4927_dbgio.c
3 *
4 * kgdb interface for gdb
5 *
6 * Author: MontaVista Software, Inc.
7 *         source@mvista.com
8 *
9 * Copyright 2001-2002 MontaVista Software Inc.
10 *
11 *  This program is free software; you can redistribute it and/or modify it
12 *  under the terms of the GNU General Public License as published by the
13 *  Free Software Foundation; either version 2 of the License, or (at your
14 *  option) any later version.
15 *
16 *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 *  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 *  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 *  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 *  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
24 *  TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
25 *  USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 *
27 *  You should have received a copy of the GNU General Public License along
28 *  with this program; if not, write to the Free Software Foundation, Inc.,
29 *  675 Mass Ave, Cambridge, MA 02139, USA.
30 */
31
32#include <asm/mipsregs.h>
33#include <asm/system.h>
34#include <asm/tx4927/tx4927_mips.h>
35
36u8 getDebugChar(void)
37{
38	extern u8 txx9_sio_kdbg_rd(void);
39	return (txx9_sio_kdbg_rd());
40}
41
42
43int putDebugChar(u8 byte)
44{
45	extern int txx9_sio_kdbg_wr( u8 ch );
46	return (txx9_sio_kdbg_wr(byte));
47}
48