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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
| commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
| tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/sh/include/cpu-sh4/cpu/cache.h | |
| parent | Initial commit. (diff) | |
| download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip | |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/sh/include/cpu-sh4/cpu/cache.h')
| -rw-r--r-- | arch/sh/include/cpu-sh4/cpu/cache.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/sh/include/cpu-sh4/cpu/cache.h b/arch/sh/include/cpu-sh4/cpu/cache.h new file mode 100644 index 000000000..92c4cd119 --- /dev/null +++ b/arch/sh/include/cpu-sh4/cpu/cache.h @@ -0,0 +1,44 @@ +/* + * include/asm-sh/cpu-sh4/cache.h + * + * Copyright (C) 1999 Niibe Yutaka + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#ifndef __ASM_CPU_SH4_CACHE_H +#define __ASM_CPU_SH4_CACHE_H + +#define L1_CACHE_SHIFT 5 + +#define SH_CACHE_VALID 1 +#define SH_CACHE_UPDATED 2 +#define SH_CACHE_COMBINED 4 +#define SH_CACHE_ASSOC 8 + +#define SH_CCR 0xff00001c /* Address of Cache Control Register */ +#define CCR_CACHE_OCE 0x0001 /* Operand Cache Enable */ +#define CCR_CACHE_WT 0x0002 /* Write-Through (for P0,U0,P3) (else writeback)*/ +#define CCR_CACHE_CB 0x0004 /* Copy-Back (for P1) (else writethrough) */ +#define CCR_CACHE_OCI 0x0008 /* OC Invalidate */ +#define CCR_CACHE_ORA 0x0020 /* OC RAM Mode */ +#define CCR_CACHE_OIX 0x0080 /* OC Index Enable */ +#define CCR_CACHE_ICE 0x0100 /* Instruction Cache Enable */ +#define CCR_CACHE_ICI 0x0800 /* IC Invalidate */ +#define CCR_CACHE_IIX 0x8000 /* IC Index Enable */ +#ifndef CONFIG_CPU_SH4A +#define CCR_CACHE_EMODE 0x80000000 /* EMODE Enable */ +#endif + +/* Default CCR setup: 8k+16k-byte cache,P1-wb,enable */ +#define CCR_CACHE_ENABLE (CCR_CACHE_OCE|CCR_CACHE_ICE) +#define CCR_CACHE_INVALIDATE (CCR_CACHE_OCI|CCR_CACHE_ICI) + +#define CACHE_IC_ADDRESS_ARRAY 0xf0000000 +#define CACHE_OC_ADDRESS_ARRAY 0xf4000000 + +#define RAMCR 0xFF000074 + +#endif /* __ASM_CPU_SH4_CACHE_H */ + |