/* $NetBSD: mmu_sh3.h,v 1.7 2008/04/28 20:23:35 martin 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. * * 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 _SH3_MMU_SH3_H_ #define _SH3_MMU_SH3_H_ #include <sh3/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 /* !_SH3_MMU_SH3_H_ */ |