tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * include/asm-sh/cpu-sh4/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_SH4_MMU_CONTEXT_H
11#define __ASM_CPU_SH4_MMU_CONTEXT_H
12
13#define MMU_PTEH 0xFF000000 /* Page table entry register HIGH */
14#define MMU_PTEL 0xFF000004 /* Page table entry register LOW */
15#define MMU_TTB 0xFF000008 /* Translation table base register */
16#define MMU_TEA 0xFF00000C /* TLB Exception Address */
17#define MMU_PTEA 0xFF000034 /* Page table entry assistance register */
18
19#define MMUCR 0xFF000010 /* MMU Control Register */
20
21#define MMU_ITLB_ADDRESS_ARRAY 0xF2000000
22#define MMU_UTLB_ADDRESS_ARRAY 0xF6000000
23#define MMU_PAGE_ASSOC_BIT 0x80
24
25#define MMUCR_TI (1<<2)
26
27#ifdef CONFIG_X2TLB
28#define MMUCR_ME (1 << 7)
29#else
30#define MMUCR_ME (0)
31#endif
32
33#if defined(CONFIG_32BIT) && defined(CONFIG_CPU_SUBTYPE_ST40)
34#define MMUCR_SE (1 << 4)
35#else
36#define MMUCR_SE (0)
37#endif
38
39#ifdef CONFIG_SH_STORE_QUEUES
40#define MMUCR_SQMD (1 << 9)
41#else
42#define MMUCR_SQMD (0)
43#endif
44
45#define MMU_NTLB_ENTRIES 64
46#define MMU_CONTROL_INIT (0x05|MMUCR_SQMD|MMUCR_ME|MMUCR_SE)
47
48#define MMU_ITLB_DATA_ARRAY 0xF3000000
49#define MMU_UTLB_DATA_ARRAY 0xF7000000
50
51#define MMU_UTLB_ENTRIES 64
52#define MMU_U_ENTRY_SHIFT 8
53#define MMU_UTLB_VALID 0x100
54#define MMU_ITLB_ENTRIES 4
55#define MMU_I_ENTRY_SHIFT 8
56#define MMU_ITLB_VALID 0x100
57
58#define TRA 0xff000020
59#define EXPEVT 0xff000024
60#define INTEVT 0xff000028
61
62#endif /* __ASM_CPU_SH4_MMU_CONTEXT_H */
63