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/*
* include/asm-sh/cpu-sh4/mmu_context.h
*
* Copyright (C) 1999 Niibe Yutaka
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#ifndef __ASM_CPU_SH4_MMU_CONTEXT_H
#define __ASM_CPU_SH4_MMU_CONTEXT_H
#define MMU_PTEH 0xFF000000 /* Page table entry register HIGH */
#define MMU_PTEL 0xFF000004 /* Page table entry register LOW */
#define MMU_TTB 0xFF000008 /* Translation table base register */
#define MMU_TEA 0xFF00000C /* TLB Exception Address */
#define MMU_PTEA 0xFF000034 /* PTE assistance register */
#define MMU_PTEAEX 0xFF00007C /* PTE ASID extension register */
#define MMUCR 0xFF000010 /* MMU Control Register */
#define MMU_TLB_ENTRY_SHIFT 8
#define MMU_ITLB_ADDRESS_ARRAY 0xF2000000
#define MMU_ITLB_ADDRESS_ARRAY2 0xF2800000
#define MMU_ITLB_DATA_ARRAY 0xF3000000
#define MMU_ITLB_DATA_ARRAY2 0xF3800000
#define MMU_UTLB_ADDRESS_ARRAY 0xF6000000
#define MMU_UTLB_ADDRESS_ARRAY2 0xF6800000
#define MMU_UTLB_DATA_ARRAY 0xF7000000
#define MMU_UTLB_DATA_ARRAY2 0xF7800000
#define MMU_PAGE_ASSOC_BIT 0x80
#ifdef CONFIG_MMU
#define MMUCR_AT (1 << 0)
#else
#define MMUCR_AT (0)
#endif
#define MMUCR_TI (1 << 2)
#define MMUCR_URB 0x00FC0000
#define MMUCR_URB_SHIFT 18
#define MMUCR_URB_NENTRIES 64
#define MMUCR_URC 0x0000FC00
#define MMUCR_URC_SHIFT 10
#if defined(CONFIG_32BIT) && defined(CONFIG_CPU_SUBTYPE_ST40)
#define MMUCR_SE (1 << 4)
#else
#define MMUCR_SE (0)
#endif
#ifdef CONFIG_CPU_HAS_PTEAEX
#define MMUCR_AEX (1 << 6)
#else
#define MMUCR_AEX (0)
#endif
#ifdef CONFIG_X2TLB
#define MMUCR_ME (1 << 7)
#else
#define MMUCR_ME (0)
#endif
#ifdef CONFIG_SH_STORE_QUEUES
#define MMUCR_SQMD (1 << 9)
#else
#define MMUCR_SQMD (0)
#endif
#define MMU_NTLB_ENTRIES 64
#define MMU_CONTROL_INIT (MMUCR_AT | MMUCR_TI | MMUCR_SQMD | \
MMUCR_ME | MMUCR_SE | MMUCR_AEX)
#define TRA 0xff000020
#define EXPEVT 0xff000024
#define INTEVT 0xff000028
#endif /* __ASM_CPU_SH4_MMU_CONTEXT_H */
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