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authorDavid Howells <dhowells@redhat.com>2009-04-10 09:19:03 -0400
committerDavid Howells <dhowells@redhat.com>2009-04-10 09:19:03 -0400
commitda7616610c8d2ec16a8ada44216e836e5fcbd08b (patch)
treeef3e8ccc7a01694c0ab0eeea387bc46a8807669e /arch/mn10300/include/asm/cache.h
parent62b8e680e61d3f48f2a12ee248ca03ea8f376926 (diff)
Move arch headers from include/asm-mn10300/ to arch/mn10300/include/asm/.
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'arch/mn10300/include/asm/cache.h')
-rw-r--r--arch/mn10300/include/asm/cache.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/arch/mn10300/include/asm/cache.h b/arch/mn10300/include/asm/cache.h
new file mode 100644
index 000000000000..9e01122208a9
--- /dev/null
+++ b/arch/mn10300/include/asm/cache.h
@@ -0,0 +1,54 @@
1/* MN10300 cache management registers
2 *
3 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public Licence
8 * as published by the Free Software Foundation; either version
9 * 2 of the Licence, or (at your option) any later version.
10 */
11
12#ifndef _ASM_CACHE_H
13#define _ASM_CACHE_H
14
15#include <asm/cpu-regs.h>
16#include <asm/proc/cache.h>
17
18#ifndef __ASSEMBLY__
19#define L1_CACHE_DISPARITY (L1_CACHE_NENTRIES * L1_CACHE_BYTES)
20#else
21#define L1_CACHE_DISPARITY L1_CACHE_NENTRIES * L1_CACHE_BYTES
22#endif
23
24/* data cache purge registers
25 * - read from the register to unconditionally purge that cache line
26 * - write address & 0xffffff00 to conditionally purge that cache line
27 * - clear LSB to request invalidation as well
28 */
29#define DCACHE_PURGE(WAY, ENTRY) \
30 __SYSREG(0xc8400000 + (WAY) * L1_CACHE_WAYDISP + \
31 (ENTRY) * L1_CACHE_BYTES, u32)
32
33#define DCACHE_PURGE_WAY0(ENTRY) \
34 __SYSREG(0xc8400000 + 0 * L1_CACHE_WAYDISP + (ENTRY) * L1_CACHE_BYTES, u32)
35#define DCACHE_PURGE_WAY1(ENTRY) \
36 __SYSREG(0xc8400000 + 1 * L1_CACHE_WAYDISP + (ENTRY) * L1_CACHE_BYTES, u32)
37#define DCACHE_PURGE_WAY2(ENTRY) \
38 __SYSREG(0xc8400000 + 2 * L1_CACHE_WAYDISP + (ENTRY) * L1_CACHE_BYTES, u32)
39#define DCACHE_PURGE_WAY3(ENTRY) \
40 __SYSREG(0xc8400000 + 3 * L1_CACHE_WAYDISP + (ENTRY) * L1_CACHE_BYTES, u32)
41
42/* instruction cache access registers */
43#define ICACHE_DATA(WAY, ENTRY, OFF) \
44 __SYSREG(0xc8000000 + (WAY) * L1_CACHE_WAYDISP + (ENTRY) * 0x10 + (OFF) * 4, u32)
45#define ICACHE_TAG(WAY, ENTRY) \
46 __SYSREG(0xc8100000 + (WAY) * L1_CACHE_WAYDISP + (ENTRY) * 0x10, u32)
47
48/* instruction cache access registers */
49#define DCACHE_DATA(WAY, ENTRY, OFF) \
50 __SYSREG(0xc8200000 + (WAY) * L1_CACHE_WAYDISP + (ENTRY) * 0x10 + (OFF) * 4, u32)
51#define DCACHE_TAG(WAY, ENTRY) \
52 __SYSREG(0xc8300000 + (WAY) * L1_CACHE_WAYDISP + (ENTRY) * 0x10, u32)
53
54#endif /* _ASM_CACHE_H */