root/sys/arch/hpc/stand/hpcboot/sh3/cpu/7707.h
/*      $NetBSD: 7707.h,v 1.6 2008/04/28 20:23:20 martin Exp $  */

/*-
 * Copyright (c) 2001, 2002, 2004 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by UCHIYAMA Yasushi.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _HPCBOOT_SH_CPU_7707_H_
#define _HPCBOOT_SH_CPU_7707_H_

#define SH7707_LCDAR    0xa40000c0 /* address register */
#define SH7707_LCDDR    0xa40000c2 /* display control register */
#define SH7707_LCDPR    0xa40000c6 /* palette register */
#define SH7707_LCDDMR   0xa40000ce /* DMA control register */

#define SH7707_LCDAR_LCDDMR0    0x0
#define SH7707_LCDAR_LCDDMR1    0x1
#define SH7707_LCDAR_LCDDMR2    0x2
#define SH7707_LCDAR_LCDDMR3    0x3
#define SH7707_LCDAR_LCDDMR4    0x4

#define SH7707_CACHE_LINESZ             16
#define SH7707_CACHE_ENTRY              128
#define SH7707_CACHE_WAY                4       /* 2-way in RAM mode */
#define SH7707_CACHE_SIZE                                               \
        (SH7707_CACHE_LINESZ * SH7707_CACHE_ENTRY * SH7707_CACHE_WAY)

#define SH7707_CACHE_ENTRY_SHIFT        4
#define SH7707_CACHE_ENTRY_MASK         0x000007f0
#define SH7707_CACHE_WAY_SHIFT          11
#define SH7707_CACHE_WAY_MASK           0x00001800

#define SH7707_CACHE_FLUSH()                                            \
__BEGIN_MACRO                                                           \
        uint32_t __e, __w, __wa, __a;                                   \
                                                                        \
        for (__w = 0; __w < SH7707_CACHE_WAY; __w++) {                  \
                __wa = SH3_CCA | __w << SH7707_CACHE_WAY_SHIFT;         \
                for (__e = 0; __e < SH7707_CACHE_ENTRY; __e++) {        \
                        __a = __wa |(__e << SH7707_CACHE_ENTRY_SHIFT);  \
                        _reg_read_4(__a) &= ~0x3; /* Clear U,V bit */   \
                }                                                       \
        }                                                               \
__END_MACRO

#define SH7707_MMU_DISABLE      SH3_MMU_DISABLE

#endif // _HPCBOOT_SH_CPU_7707_H_