/* $NetBSD: mmu_sh4.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_SH4_H_ #define _SH3_MMU_SH4_H_ #include /* ITLB 4-entry full-associative UTLB 64-entry full-associative */ #define SH4_PTEH 0xff000000 #define SH4_PTEH_VPN_MASK 0xfffffc00 #define SH4_PTEH_ASID_MASK 0x000000ff #define SH4_PTEL 0xff000004 #define SH4_PTEL_WT 0x00000001 #define SH4_PTEL_SH 0x00000002 #define SH4_PTEL_D 0x00000004 #define SH4_PTEL_C 0x00000008 #define SH4_PTEL_PR_SHIFT 5 #define SH4_PTEL_PR_MASK 0x00000060 /* [5:6] */ #define SH4_PTEL_SZ_MASK 0x00000090 /* [4][7] */ #define SH4_PTEL_SZ_1K 0x00000000 #define SH4_PTEL_SZ_4K 0x00000010 #define SH4_PTEL_SZ_64K 0x00000080 #define SH4_PTEL_SZ_1M 0x00000090 #define SH4_PTEL_V 0x00000100 #define SH4_PTEL_HWBITS 0x1ffff1ff /* [28:12]PFN [8:0]attr. */ #define SH4_PTEA 0xff000034 #define SH4_PTEA_SA_MASK 0x00000007 #define SH4_PTEA_SA_TC 0x00000008 #define SH4_TTB 0xff000008 #define SH4_TEA 0xff00000c #define SH4_MMUCR 0xff000010 #define SH4_MMUCR_AT 0x00000001 #define SH4_MMUCR_TI 0x00000004 #define SH4_MMUCR_SV 0x00000100 #define SH4_MMUCR_SQMD 0x00000200 #define SH4_MMUCR_URC_SHIFT 10 #define SH4_MMUCR_URC_MASK 0x0000fc00 /* [10:15] */ #define SH4_MMUCR_URB_SHIFT 18 #define SH4_MMUCR_URB_MASK 0x00fc0000 /* [18:23] */ #define SH4_MMUCR_LRUI_SHIFT 26 #define SH4_MMUCR_LRUT_MASK 0xfc000000 /* [26:31] */ #define SH4_MMUCR_MASK (SH4_MMUCR_LRUT_MASK | SH4_MMUCR_URB_MASK | \ SH4_MMUCR_URC_MASK | SH4_MMUCR_SQMD | SH4_MMUCR_SV | SH4_MMUCR_AT) /* * memory-mapped TLB * must be access from P2-area program. * branch to the other area must be maed at least 8 instruction * after access. */ #define SH4_ITLB_ENTRY 4 #define SH4_UTLB_ENTRY 64 /* ITLB */ #define SH4_ITLB_AA 0xf2000000 /* address specification (common for address and data array(0,1)) */ #define SH4_ITLB_E_SHIFT 8 #define SH4_ITLB_E_MASK 0x00000300 /* [9:8] */ /* data specification */ /* address-array */ #define SH4_ITLB_AA_ASID_MASK 0x000000ff /* [7:0] */ #define SH4_ITLB_AA_V 0x00000100 #define SH4_ITLB_AA_VPN_SHIFT 10 #define SH4_ITLB_AA_VPN_MASK 0xfffffc00 /* [31:10] */ /* data-array 1 */ #define SH4_ITLB_DA1 0xf3000000 #define SH4_ITLB_DA1_SH 0x00000002 #define SH4_ITLB_DA1_C 0x00000008 #define SH4_ITLB_DA1_SZ_MASK 0x00000090 /* [7][4] */ #define SH4_ITLB_DA1_SZ_1K 0x00000000 #define SH4_ITLB_DA1_SZ_4K 0x00000010 #define SH4_ITLB_DA1_SZ_64K 0x00000080 #define SH4_ITLB_DA1_SZ_1M 0x00000090 #define SH4_ITLB_DA1_PR 0x00000040 #define SH4_ITLB_DA1_V 0x00000100 #define SH4_ITLB_DA1_PPN_SHIFT 11 #define SH4_ITLB_DA1_PPN_MASK 0x1ffffc00 /* [28:10] */ /* data-array 2 */ #define SH4_ITLB_DA2 0xf3800000 #define SH4_ITLB_DA2_SA_MASK 0x00000003 #define SH4_ITLB_DA2_TC 0x00000004 /* UTLB */ #define SH4_UTLB_AA 0xf6000000 /* address specification (common for address and data array(0,1)) */ #define SH4_UTLB_E_SHIFT 8 #define SH4_UTLB_E_MASK 0x00003f00 #define SH4_UTLB_A 0x00000080 /* data specification */ /* address-array */ #define SH4_UTLB_AA_VPN_MASK 0xfffffc00 /* [31:10] */ #define SH4_UTLB_AA_D 0x00000200 #define SH4_UTLB_AA_V 0x00000100 #define SH4_UTLB_AA_ASID_MASK 0x000000ff /* [7:0] */ /* data-array 1 */ #define SH4_UTLB_DA1 0xf7000000 #define SH4_UTLB_DA1_WT 0x00000001 #define SH4_UTLB_DA1_SH 0x00000002 #define SH4_UTLB_DA1_D 0x00000004 #define SH4_UTLB_DA1_C 0x00000008 #define SH4_UTLB_DA1_SZ_MASK 0x00000090 /* [7][4] */ #define SH4_UTLB_DA1_SZ_1K 0x00000000 #define SH4_UTLB_DA1_SZ_4K 0x00000010 #define SH4_UTLB_DA1_SZ_64K 0x00000080 #define SH4_UTLB_DA1_SZ_1M 0x00000090 #define SH4_UTLB_DA1_PR_SHIFT 5 #define SH4_UTLB_DA1_PR_MASK 0x00000060 #define SH4_UTLB_DA1_V 0x00000100 #define SH4_UTLB_DA1_PPN_SHIFT 11 #define SH4_UTLB_DA1_PPN_MASK 0x1ffffc00 /* [28:10] */ /* data-array 2 */ #define SH4_UTLB_DA2 0xf7800000 #define SH4_UTLB_DA2_SA_MASK 0x00000003 #define SH4_UTLB_DA2_TC 0x00000004 #define SH4_TLB_DISABLE *(volatile uint32_t *)SH4_MMUCR = SH4_MMUCR_TI #endif /* !_SH3_MMU_SH4_H_ */