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hd64461uartvar.h revision 1.6 
      1 /*	$NetBSD: hd64461uartvar.h,v 1.6 2008/04/28 20:23:22 martin Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2001 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 _HPCSH_DEV_HD64461UARTVAR_H_
     33 #define _HPCSH_DEV_HD64461UARTVAR_H_
     34 
     35 extern int hd64461uart_kgdb_init(void);
     36 
     37 #define HD64461COM_TX_BUSY()						\
     38 	while ((*(volatile uint8_t *)HD64461_ULSR_REG8 & LSR_TXRDY) == 0)
     39 
     40 #define HD64461COM_PUTC(c)						\
     41 do {									\
     42 	HD64461COM_TX_BUSY();						\
     43 	*(volatile uint8_t *)HD64461_UTBR_REG8 = c;			\
     44 	HD64461COM_TX_BUSY();						\
     45 } while (/*CONSTCOND*/0)
     46 
     47 #define HD64461COM_PRINT(s)						\
     48 do {									\
     49 	char *__s = (char *)(s);					\
     50 	int __i;							\
     51 	for (__i = 0; __s[__i] != '\0'; __i++) {			\
     52 		char __c = __s[__i];					\
     53 		if (__c == '\n')					\
     54 			HD64461COM_PUTC('\r');				\
     55 		HD64461COM_PUTC(__c);					\
     56 	}								\
     57 } while (/*CONSTCOND*/0)
     58 
     59 #endif /* !_HPCSH_DEV_HD64461UARTVAR_H_ */
     60