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/* $OpenBSD: mmu_sh3.h,v 1.1 2006/10/06 21:02:55 miod Exp $ */
/* $NetBSD: mmu_sh3.h,v 1.6 2006/03/04 01:55:03 uwe Exp $ */
/*-
* Copyright (c) 2002 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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 _SH_MMU_SH3_H_
#define _SH_MMU_SH3_H_
#include <sh/devreg.h>
/* 128-entry 4-way set-associative */
#define SH3_MMU_WAY 4
#define SH3_MMU_ENTRY 32
#define SH3_PTEH 0xfffffff0
#define SH3_PTEH_ASID_MASK 0x000000ff
#define SH3_PTEH_VPN_MASK 0xfffffc00
#define SH3_PTEL 0xfffffff4
#define SH3_PTEL_HWBITS 0x1ffff17e /* [28:12][8][6:1] */
#define SH3_TTB 0xfffffff8
#define SH3_TEA 0xfffffffc
#define SH3_MMUCR 0xffffffe0
#define SH3_MMUCR_AT 0x00000001
#define SH3_MMUCR_IX 0x00000002
#define SH3_MMUCR_TF 0x00000004
#define SH3_MMUCR_RC 0x00000030
#define SH3_MMUCR_SV 0x00000100
/*
* memory-mapped TLB
*/
/* Address array */
#define SH3_MMUAA 0xf2000000
/* address specification */
#define SH3_MMU_VPN_SHIFT 12
#define SH3_MMU_VPN_MASK 0x0001f000 /* [16:12] */
#define SH3_MMU_WAY_SHIFT 8
#define SH3_MMU_WAY_MASK 0x00000300 /* [9:8] */
/* data specification */
#define SH3_MMU_D_VALID 0x00000100
#define SH3_MMUAA_D_VPN_MASK_1K 0xfffe0c00 /* [31:17][11:10] */
#define SH3_MMUAA_D_VPN_MASK_4K 0xfffe0000 /* [31:17] */
#define SH3_MMUAA_D_ASID_MASK 0x000000ff
/* Data array */
#define SH3_MMUDA 0xf3000000
#define SH3_MMUDA_D_PPN_MASK 0xfffffc00
#define SH3_MMUDA_D_V 0x00000100
#define SH3_MMUDA_D_PR_SHIFT 5
#define SH3_MMUDA_D_PR_MASK 0x00000060 /* [6:5] */
#define SH3_MMUDA_D_SZ 0x00000010
#define SH3_MMUDA_D_C 0x00000008
#define SH3_MMUDA_D_D 0x00000004
#define SH3_MMUDA_D_SH 0x00000002
#define SH3_TLB_DISABLE *(volatile uint32_t *)SH3_MMUCR = SH3_MMUCR_TF
#endif /* !_SH_MMU_SH3_H_ */
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