xref: /openbmc/linux/arch/sh/include/cpu-sh2a/cpu/cache.h (revision aac28965)
1 /* SPDX-License-Identifier: GPL-2.0
2  *
3  * include/asm-sh/cpu-sh2a/cache.h
4  *
5  * Copyright (C) 2004 Paul Mundt
6  */
7 #ifndef __ASM_CPU_SH2A_CACHE_H
8 #define __ASM_CPU_SH2A_CACHE_H
9 
10 #define L1_CACHE_SHIFT	4
11 
12 #define SH_CACHE_VALID		1
13 #define SH_CACHE_UPDATED	2
14 #define SH_CACHE_COMBINED	4
15 #define SH_CACHE_ASSOC		8
16 
17 #define SH_CCR		0xfffc1000 /* CCR1 */
18 #define SH_CCR2		0xfffc1004
19 
20 /*
21  * Most of the SH-2A CCR1 definitions resemble the SH-4 ones. All others not
22  * listed here are reserved.
23  */
24 #define CCR_CACHE_CB	0x0000	/* Hack */
25 #define CCR_CACHE_OCE	0x0001
26 #define CCR_CACHE_WT	0x0002
27 #define CCR_CACHE_OCI	0x0008	/* OCF */
28 #define CCR_CACHE_ICE	0x0100
29 #define CCR_CACHE_ICI	0x0800	/* ICF */
30 
31 #define CACHE_IC_ADDRESS_ARRAY	0xf0000000
32 #define CACHE_OC_ADDRESS_ARRAY	0xf0800000
33 
34 #define CCR_CACHE_ENABLE	(CCR_CACHE_OCE | CCR_CACHE_ICE)
35 #define CCR_CACHE_INVALIDATE	(CCR_CACHE_OCI | CCR_CACHE_ICI)
36 #define CCR_ICACHE_INVALIDATE	CCR_CACHE_ICI
37 #define CCR_OCACHE_INVALIDATE	CCR_CACHE_OCI
38 #define CACHE_PHYSADDR_MASK	0x1ffffc00
39 
40 #endif /* __ASM_CPU_SH2A_CACHE_H */
41