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7750.h revision 1.2 
      1 /*	$NetBSD: 7750.h,v 1.2 2004/08/06 18:33:09 uch 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  * 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_7750_H_
     40 #define	_HPCBOOT_SH_CPU_7750_H_
     41 
     42 #define	SH7750_CACHE_FLUSH()						\
     43 __BEGIN_MACRO								\
     44 	u_int32_t __e, __a;						\
     45 									\
     46 	/* D-cache */							\
     47 	for (__e = 0; __e < (SH4_DCACHE_SIZE / SH4_CACHE_LINESZ); __e++) {\
     48 		__a = SH4REG_CCDA | (__e << CCDA_ENTRY_SHIFT);		\
     49 		VOLATILE_REF(__a) &= ~(CCDA_U | CCDA_V);		\
     50 	}								\
     51 	/* I-cache  */							\
     52 	for (__e = 0; __e < (SH4_ICACHE_SIZE / SH4_CACHE_LINESZ); __e++) {\
     53 		__a = SH4REG_CCIA | (__e << CCIA_ENTRY_SHIFT);		\
     54 		VOLATILE_REF(__a) &= ~(CCIA_V);				\
     55 	}								\
     56 __END_MACRO
     57 
     58 #define	SH7750_MMU_DISABLE	SH4_MMU_DISABLE
     59 
     60 #endif // _HPCBOOT_SH_CPU_7750_H_
     61