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      1 /*	$NetBSD: hd64465uartvar.h,v 1.3 2008/04/28 20:23:22 martin Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2002 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by UCHIYAMA Yasushi.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _LOCORE
     33 int hd64465uart_kgdb_init(void);
     34 #endif
     35 
     36 #define HD64465COM_TX_BUSY()						\
     37 	while ((VOLATILE_REF8(HD64465_ULSR_REG8) & LSR_TXRDY) == 0)
     38 
     39 #define HD64465COM_PUTC(c)						\
     40 do {									\
     41 	HD64465COM_TX_BUSY();						\
     42 	VOLATILE_REF8(HD64465_UTBR_REG8) = (c);				\
     43 	HD64465COM_TX_BUSY();						\
     44 } while (/*CONSTCOND*/0)
     45 
     46 #define HD64465COM_PRINT(s)						\
     47 do {									\
     48 	char *__s =(char *)(s);						\
     49 	int __i;							\
     50 	for (__i = 0; __s[__i] != '\0'; __i++) {			\
     51 		char __c = __s[__i];					\
     52 		if (__c == '\n')					\
     53 			HD64465COM_PUTC('\r');				\
     54 		HD64465COM_PUTC(__c);					\
     55 	}								\
     56 } while (/*CONSTCOND*/0)
     57 
     58