90 lines
3.6 KiB
C
90 lines
3.6 KiB
C
/* $NetBSD: mmu_sh3.h,v 1.4 2002/05/09 12:26:16 uch Exp $ */
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/*-
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* Copyright (c) 2002 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by UCHIYAMA Yasushi.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _SH3_MMU_SH3_H_
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#define _SH3_MMU_SH3_H_
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#include <sh3/devreg.h>
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/* 128-entry 4-way set-associative */
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#define SH3_MMU_WAY 4
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#define SH3_MMU_ENTRY 32
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#define SH3_PTEH 0xfffffff0
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#define SH3_PTEH_ASID_MASK 0x000000ff
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#define SH3_PTEH_VPN_MASK 0xfffffc00
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#define SH3_PTEL 0xfffffff4
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#define SH3_PTEL_HWBITS 0x1ffff17e /* [28:12][8][6:1] */
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#define SH3_TTB 0xfffffff8
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#define SH3_TEA 0xfffffffc
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#define SH3_MMUCR 0xffffffe0
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#define SH3_MMUCR_AT 0x00000001
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#define SH3_MMUCR_IX 0x00000002
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#define SH3_MMUCR_TF 0x00000004
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#define SH3_MMUCR_RC 0x00000030
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#define SH3_MMUCR_SV 0x00000100
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/*
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* memory-mapped TLB
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*/
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/* Address array */
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#define SH3_MMUAA 0xf2000000
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/* address specification */
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#define SH3_MMU_VPN_SHIFT 12
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#define SH3_MMU_VPN_MASK 0x0001f000 /* [16:12] */
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#define SH3_MMU_WAY_SHIFT 8
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#define SH3_MMU_WAY_MASK 0x00000300 /* [9:8] */
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/* data specification */
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#define SH3_MMU_D_VALID 0x00000100
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#define SH3_MMUAA_D_VPN_MASK_1K 0xfffe0c00 /* [31:17][11:10] */
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#define SH3_MMUAA_D_VPN_MASK_4K 0xfffe0000 /* [31:17] */
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#define SH3_MMUAA_D_ASID_MASK 0x000000ff
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/* Data array */
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#define SH3_MMUDA 0xf3000000
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#define SH3_MMUDA_D_PPN_MASK 0xfffffc00
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#define SH3_MMUDA_D_V 0x00000100
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#define SH3_MMUDA_D_PR_SHIFT 5
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#define SH3_MMUDA_D_PR_MASK 0x00000060 /* [6:5] */
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#define SH3_MMUDA_D_SZ 0x00000010
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#define SH3_MMUDA_D_C 0x00000008
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#define SH3_MMUDA_D_D 0x00000004
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#define SH3_MMUDA_D_SH 0x00000002
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#define SH3_TLB_DISABLE *(__volatile__ u_int32_t *)SH3_MMUCR = SH3_MMUCR_TF
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#endif /* !_SH3_MMU_SH3_H_ */
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