7709a.h revision 1.3 
1/*	$NetBSD: 7709a.h,v 1.3 2005/12/11 12:17:28 christos Exp $	*/
2
3/*-
4 * Copyright (c) 2001, 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 * 3. All advertising materials mentioning features or use of this software
19 *    must display the following acknowledgement:
20 *        This product includes software developed by the NetBSD
21 *        Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 *    contributors may be used to endorse or promote products derived
24 *    from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39#ifndef _HPCBOOT_SH_CPU_7709A_H_
40#define	_HPCBOOT_SH_CPU_7709A_H_
41
42#define	SH7709A_CACHE_LINESZ		16
43#define	SH7709A_CACHE_ENTRY		256
44#define	SH7709A_CACHE_WAY		4
45#define	SH7709A_CACHE_SIZE						\
46	(SH7709A_CACHE_LINESZ * SH7709A_CACHE_ENTRY * SH7709A_CACHE_WAY)
47
48#define	SH7709A_CACHE_ENTRY_SHIFT	4
49#define	SH7709A_CACHE_ENTRY_MASK	0x00000ff0
50#define	SH7709A_CACHE_WAY_SHIFT		12
51#define	SH7709A_CACHE_WAY_MASK		0x00003000
52
53#define	SH7709A_CACHE_FLUSH()						\
54__BEGIN_MACRO								\
55	u_int32_t __e, __w, __wa, __a;					\
56									\
57	for (__w = 0; __w < SH7709A_CACHE_WAY; __w++) {			\
58		__wa = SH3_CCA | __w << SH7709A_CACHE_WAY_SHIFT;	\
59		for (__e = 0; __e < SH7709A_CACHE_ENTRY; __e++)	{	\
60			__a = __wa |(__e << SH7709A_CACHE_ENTRY_SHIFT);	\
61			_reg_read_4(__a) &= ~0x3; /* Clear U,V bit */	\
62		}							\
63	}								\
64__END_MACRO
65
66#define	SH7709A_MMU_DISABLE	SH3_MMU_DISABLE
67
68#endif // _HPCBOOT_SH_CPU_7709A_H_
69