xref: /OK3568_Linux_fs/kernel/arch/sh/include/cpu-sh3/cpu/mmu_context.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun  *
3*4882a593Smuzhiyun  * include/asm-sh/cpu-sh3/mmu_context.h
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright (C) 1999 Niibe Yutaka
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun #ifndef __ASM_CPU_SH3_MMU_CONTEXT_H
8*4882a593Smuzhiyun #define __ASM_CPU_SH3_MMU_CONTEXT_H
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun #define MMU_PTEH	0xFFFFFFF0	/* Page table entry register HIGH */
11*4882a593Smuzhiyun #define MMU_PTEL	0xFFFFFFF4	/* Page table entry register LOW */
12*4882a593Smuzhiyun #define MMU_TTB		0xFFFFFFF8	/* Translation table base register */
13*4882a593Smuzhiyun #define MMU_TEA		0xFFFFFFFC	/* TLB Exception Address */
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun #define MMUCR		0xFFFFFFE0	/* MMU Control Register */
16*4882a593Smuzhiyun #define MMUCR_TI	(1 << 2)	/* TLB flush bit */
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun #define MMU_TLB_ADDRESS_ARRAY	0xF2000000
19*4882a593Smuzhiyun #define MMU_PAGE_ASSOC_BIT	0x80
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun #define MMU_NTLB_ENTRIES	128	/* for 7708 */
22*4882a593Smuzhiyun #define MMU_NTLB_WAYS		4
23*4882a593Smuzhiyun #define MMU_CONTROL_INIT	0x007	/* SV=0, TF=1, IX=1, AT=1 */
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun #define TRA	0xffffffd0
26*4882a593Smuzhiyun #define EXPEVT	0xffffffd4
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun #if defined(CONFIG_CPU_SUBTYPE_SH7705) || \
29*4882a593Smuzhiyun     defined(CONFIG_CPU_SUBTYPE_SH7706) || \
30*4882a593Smuzhiyun     defined(CONFIG_CPU_SUBTYPE_SH7707) || \
31*4882a593Smuzhiyun     defined(CONFIG_CPU_SUBTYPE_SH7709) || \
32*4882a593Smuzhiyun     defined(CONFIG_CPU_SUBTYPE_SH7710) || \
33*4882a593Smuzhiyun     defined(CONFIG_CPU_SUBTYPE_SH7712) || \
34*4882a593Smuzhiyun     defined(CONFIG_CPU_SUBTYPE_SH7720) || \
35*4882a593Smuzhiyun     defined(CONFIG_CPU_SUBTYPE_SH7721)
36*4882a593Smuzhiyun #define INTEVT	0xa4000000	/* INTEVTE2(0xa4000000) */
37*4882a593Smuzhiyun #else
38*4882a593Smuzhiyun #define INTEVT	0xffffffd8
39*4882a593Smuzhiyun #endif
40*4882a593Smuzhiyun 
41*4882a593Smuzhiyun #endif /* __ASM_CPU_SH3_MMU_CONTEXT_H */
42*4882a593Smuzhiyun 
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