diff options
Diffstat (limited to 'include/asm-sh/cpu-sh4/mmu_context.h')
| -rw-r--r-- | include/asm-sh/cpu-sh4/mmu_context.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/include/asm-sh/cpu-sh4/mmu_context.h b/include/asm-sh/cpu-sh4/mmu_context.h new file mode 100644 index 00000000000..5b64d041f0b --- /dev/null +++ b/include/asm-sh/cpu-sh4/mmu_context.h @@ -0,0 +1,39 @@ +/* + * 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 /* Page table entry assistance register */ + +#define MMUCR 0xFF000010 /* MMU Control Register */ + +#define MMU_ITLB_ADDRESS_ARRAY 0xF2000000 +#define MMU_UTLB_ADDRESS_ARRAY 0xF6000000 +#define MMU_PAGE_ASSOC_BIT 0x80 + +#define MMU_NTLB_ENTRIES 64 /* for 7750 */ +#define MMU_CONTROL_INIT 0x205 /* SQMD=1, SV=0, TI=1, AT=1 */ + +#define MMU_ITLB_DATA_ARRAY 0xF3000000 +#define MMU_UTLB_DATA_ARRAY 0xF7000000 + +#define MMU_UTLB_ENTRIES 64 +#define MMU_U_ENTRY_SHIFT 8 +#define MMU_UTLB_VALID 0x100 +#define MMU_ITLB_ENTRIES 4 +#define MMU_I_ENTRY_SHIFT 8 +#define MMU_ITLB_VALID 0x100 + +#endif /* __ASM_CPU_SH4_MMU_CONTEXT_H */ + |