xref: /openbmc/linux/arch/mips/include/asm/cacheops.h (revision 3d3337de)
1 /*
2  * Cache operations for the cache instruction.
3  *
4  * This file is subject to the terms and conditions of the GNU General Public
5  * License.  See the file "COPYING" in the main directory of this archive
6  * for more details.
7  *
8  * (C) Copyright 1996, 97, 99, 2002, 03 Ralf Baechle
9  * (C) Copyright 1999 Silicon Graphics, Inc.
10  */
11 #ifndef __ASM_CACHEOPS_H
12 #define __ASM_CACHEOPS_H
13 
14 /*
15  * Cache Operations available on all MIPS processors with R4000-style caches
16  */
17 #define Index_Invalidate_I		0x00
18 #define Index_Writeback_Inv_D		0x01
19 #define Index_Load_Tag_I		0x04
20 #define Index_Load_Tag_D		0x05
21 #define Index_Store_Tag_I		0x08
22 #define Index_Store_Tag_D		0x09
23 #define Hit_Invalidate_I		0x10
24 #define Hit_Invalidate_D		0x11
25 #define Hit_Writeback_Inv_D		0x15
26 
27 /*
28  * R4000-specific cacheops
29  */
30 #define Create_Dirty_Excl_D		0x0d
31 #define Fill				0x14
32 #define Hit_Writeback_I			0x18
33 #define Hit_Writeback_D			0x19
34 
35 /*
36  * R4000SC and R4400SC-specific cacheops
37  */
38 #define Index_Invalidate_SI		0x02
39 #define Index_Writeback_Inv_SD		0x03
40 #define Index_Load_Tag_SI		0x06
41 #define Index_Load_Tag_SD		0x07
42 #define Index_Store_Tag_SI		0x0A
43 #define Index_Store_Tag_SD		0x0B
44 #define Create_Dirty_Excl_SD		0x0f
45 #define Hit_Invalidate_SI		0x12
46 #define Hit_Invalidate_SD		0x13
47 #define Hit_Writeback_Inv_SD		0x17
48 #define Hit_Writeback_SD		0x1b
49 #define Hit_Set_Virtual_SI		0x1e
50 #define Hit_Set_Virtual_SD		0x1f
51 
52 /*
53  * R5000-specific cacheops
54  */
55 #define R5K_Page_Invalidate_S		0x17
56 
57 /*
58  * RM7000-specific cacheops
59  */
60 #define Page_Invalidate_T		0x16
61 #define Index_Store_Tag_T		0x0a
62 #define Index_Load_Tag_T		0x06
63 
64 /*
65  * R10000-specific cacheops
66  *
67  * Cacheops 0x02, 0x06, 0x0a, 0x0c-0x0e, 0x16, 0x1a and 0x1e are unused.
68  * Most of the _S cacheops are identical to the R4000SC _SD cacheops.
69  */
70 #define Index_Writeback_Inv_S		0x03
71 #define Index_Load_Tag_S		0x07
72 #define Index_Store_Tag_S		0x0B
73 #define Hit_Invalidate_S		0x13
74 #define Cache_Barrier			0x14
75 #define Hit_Writeback_Inv_S		0x17
76 #define Index_Load_Data_I		0x18
77 #define Index_Load_Data_D		0x19
78 #define Index_Load_Data_S		0x1b
79 #define Index_Store_Data_I		0x1c
80 #define Index_Store_Data_D		0x1d
81 #define Index_Store_Data_S		0x1f
82 
83 /*
84  * Loongson2-specific cacheops
85  */
86 #define Hit_Invalidate_I_Loongson2	0x00
87 
88 #endif	/* __ASM_CACHEOPS_H */
89