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