/*      $NetBSD: hd64465uartvar.h,v 1.3 2008/04/28 20:23:22 martin Exp $        */

/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by UCHIYAMA Yasushi.
*
* 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/

#ifndef _LOCORE
int hd64465uart_kgdb_init(void);
#endif

#define HD64465COM_TX_BUSY()                                            \
       while ((VOLATILE_REF8(HD64465_ULSR_REG8) & LSR_TXRDY) == 0)

#define HD64465COM_PUTC(c)                                              \
do {                                                                    \
       HD64465COM_TX_BUSY();                                           \
       VOLATILE_REF8(HD64465_UTBR_REG8) = (c);                         \
       HD64465COM_TX_BUSY();                                           \
} while (/*CONSTCOND*/0)

#define HD64465COM_PRINT(s)                                             \
do {                                                                    \
       char *__s =(char *)(s);                                         \
       int __i;                                                        \
       for (__i = 0; __s[__i] != '\0'; __i++) {                        \
               char __c = __s[__i];                                    \
               if (__c == '\n')                                        \
                       HD64465COM_PUTC('\r');                          \
               HD64465COM_PUTC(__c);                                   \
       }                                                               \
} while (/*CONSTCOND*/0)