Home | History | Annotate | Line # | Download | only in cpu
7707.h revision 1.5 
      1 /*	$NetBSD: 7707.h,v 1.5 2006/03/05 04:05:39 uwe Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2001, 2002, 2004 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_7707_H_
     40 #define	_HPCBOOT_SH_CPU_7707_H_
     41 
     42 #define	SH7707_LCDAR	0xa40000c0 /* address register */
     43 #define	SH7707_LCDDR	0xa40000c2 /* display control register */
     44 #define	SH7707_LCDPR	0xa40000c6 /* palette register */
     45 #define	SH7707_LCDDMR	0xa40000ce /* DMA control register */
     46 
     47 #define	SH7707_LCDAR_LCDDMR0	0x0
     48 #define	SH7707_LCDAR_LCDDMR1	0x1
     49 #define	SH7707_LCDAR_LCDDMR2	0x2
     50 #define	SH7707_LCDAR_LCDDMR3	0x3
     51 #define	SH7707_LCDAR_LCDDMR4	0x4
     52 
     53 #define	SH7707_CACHE_LINESZ		16
     54 #define	SH7707_CACHE_ENTRY		128
     55 #define	SH7707_CACHE_WAY		4	/* 2-way in RAM mode */
     56 #define	SH7707_CACHE_SIZE						\
     57 	(SH7707_CACHE_LINESZ * SH7707_CACHE_ENTRY * SH7707_CACHE_WAY)
     58 
     59 #define	SH7707_CACHE_ENTRY_SHIFT	4
     60 #define	SH7707_CACHE_ENTRY_MASK		0x000007f0
     61 #define	SH7707_CACHE_WAY_SHIFT		11
     62 #define	SH7707_CACHE_WAY_MASK		0x00001800
     63 
     64 #define	SH7707_CACHE_FLUSH()						\
     65 __BEGIN_MACRO								\
     66 	uint32_t __e, __w, __wa, __a;					\
     67 									\
     68 	for (__w = 0; __w < SH7707_CACHE_WAY; __w++) {			\
     69 		__wa = SH3_CCA | __w << SH7707_CACHE_WAY_SHIFT;		\
     70 		for (__e = 0; __e < SH7707_CACHE_ENTRY; __e++) {	\
     71 			__a = __wa |(__e << SH7707_CACHE_ENTRY_SHIFT);	\
     72 			_reg_read_4(__a) &= ~0x3; /* Clear U,V bit */	\
     73 		}							\
     74 	}								\
     75 __END_MACRO
     76 
     77 #define	SH7707_MMU_DISABLE	SH3_MMU_DISABLE
     78 
     79 #endif // _HPCBOOT_SH_CPU_7707_H_
     80 
     81