Linux Kernel  3.7.1
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mmu_context.h
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1 /*
2  * include/asm-sh/cpu-sh3/mmu_context.h
3  *
4  * Copyright (C) 1999 Niibe Yutaka
5  *
6  * This file is subject to the terms and conditions of the GNU General Public
7  * License. See the file "COPYING" in the main directory of this archive
8  * for more details.
9  */
10 #ifndef __ASM_CPU_SH3_MMU_CONTEXT_H
11 #define __ASM_CPU_SH3_MMU_CONTEXT_H
12 
13 #define MMU_PTEH 0xFFFFFFF0 /* Page table entry register HIGH */
14 #define MMU_PTEL 0xFFFFFFF4 /* Page table entry register LOW */
15 #define MMU_TTB 0xFFFFFFF8 /* Translation table base register */
16 #define MMU_TEA 0xFFFFFFFC /* TLB Exception Address */
17 
18 #define MMUCR 0xFFFFFFE0 /* MMU Control Register */
19 #define MMUCR_TI (1 << 2) /* TLB flush bit */
20 
21 #define MMU_TLB_ADDRESS_ARRAY 0xF2000000
22 #define MMU_PAGE_ASSOC_BIT 0x80
23 
24 #define MMU_NTLB_ENTRIES 128 /* for 7708 */
25 #define MMU_NTLB_WAYS 4
26 #define MMU_CONTROL_INIT 0x007 /* SV=0, TF=1, IX=1, AT=1 */
27 
28 #define TRA 0xffffffd0
29 #define EXPEVT 0xffffffd4
30 
31 #if defined(CONFIG_CPU_SUBTYPE_SH7705) || \
32  defined(CONFIG_CPU_SUBTYPE_SH7706) || \
33  defined(CONFIG_CPU_SUBTYPE_SH7707) || \
34  defined(CONFIG_CPU_SUBTYPE_SH7709) || \
35  defined(CONFIG_CPU_SUBTYPE_SH7710) || \
36  defined(CONFIG_CPU_SUBTYPE_SH7712) || \
37  defined(CONFIG_CPU_SUBTYPE_SH7720) || \
38  defined(CONFIG_CPU_SUBTYPE_SH7721)
39 #define INTEVT 0xa4000000 /* INTEVTE2(0xa4000000) */
40 #else
41 #define INTEVT 0xffffffd8
42 #endif
43 
44 #endif /* __ASM_CPU_SH3_MMU_CONTEXT_H */
45