| /* |
| * 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_ITLB_ADDRESS_ARRAY 0xF2000000 |
| #define MMU_ITLB_ADDRESS_ARRAY2 0xF2800000 |
| #define MMU_UTLB_ADDRESS_ARRAY 0xF6000000 |
| #define MMU_UTLB_ADDRESS_ARRAY2 0xF6800000 |
| #define MMU_PAGE_ASSOC_BIT 0x80 |
| |
| #define MMUCR_TI (1<<2) |
| |
| #define MMUCR_URB 0x00FC0000 |
| #define MMUCR_URB_SHIFT 18 |
| #define MMUCR_URB_NENTRIES 64 |
| |
| #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 (0x05|MMUCR_SQMD|MMUCR_ME|MMUCR_SE|MMUCR_AEX) |
| |
| #define TRA 0xff000020 |
| #define EXPEVT 0xff000024 |
| #define INTEVT 0xff000028 |
| |
| #endif /* __ASM_CPU_SH4_MMU_CONTEXT_H */ |
| |
