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authorPaul Mundt <lethal@linux-sh.org>2007-11-08 11:00:27 +0100
committerPaul Mundt <lethal@linux-sh.org>2008-01-28 05:18:39 +0100
commitd752542ade337f059d12c59c4bc9c312befa1f1e (patch)
treefa88e05b46a722a7d53b4d47a38b967079e84ce5 /include/asm-sh64/cache.h
parentsh: Add addrspace.h segmentation stub for SH-5. (diff)
downloadlinux-d752542ade337f059d12c59c4bc9c312befa1f1e.tar.xz
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sh: Add cache definitions for SH-5.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'include/asm-sh64/cache.h')
-rw-r--r--include/asm-sh64/cache.h139
1 files changed, 0 insertions, 139 deletions
diff --git a/include/asm-sh64/cache.h b/include/asm-sh64/cache.h
deleted file mode 100644
index a4f36f0036e1..000000000000
--- a/include/asm-sh64/cache.h
+++ /dev/null
@@ -1,139 +0,0 @@
-#ifndef __ASM_SH64_CACHE_H
-#define __ASM_SH64_CACHE_H
-
-/*
- * 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.
- *
- * include/asm-sh64/cache.h
- *
- * Copyright (C) 2000, 2001 Paolo Alberelli
- * Copyright (C) 2003, 2004 Paul Mundt
- *
- */
-#include <asm/cacheflush.h>
-
-#define L1_CACHE_SHIFT 5
-/* bytes per L1 cache line */
-#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
-#define L1_CACHE_ALIGN_MASK (~(L1_CACHE_BYTES - 1))
-#define L1_CACHE_ALIGN(x) (((x)+(L1_CACHE_BYTES - 1)) & L1_CACHE_ALIGN_MASK)
-#define L1_CACHE_SIZE_BYTES (L1_CACHE_BYTES << 10)
-
-#ifdef MODULE
-#define __cacheline_aligned __attribute__((__aligned__(L1_CACHE_BYTES)))
-#else
-#define __cacheline_aligned \
- __attribute__((__aligned__(L1_CACHE_BYTES), \
- __section__(".data.cacheline_aligned")))
-#endif
-
-/*
- * Control Registers.
- */
-#define ICCR_BASE 0x01600000 /* Instruction Cache Control Register */
-#define ICCR_REG0 0 /* Register 0 offset */
-#define ICCR_REG1 1 /* Register 1 offset */
-#define ICCR0 ICCR_BASE+ICCR_REG0
-#define ICCR1 ICCR_BASE+ICCR_REG1
-
-#define ICCR0_OFF 0x0 /* Set ICACHE off */
-#define ICCR0_ON 0x1 /* Set ICACHE on */
-#define ICCR0_ICI 0x2 /* Invalidate all in IC */
-
-#define ICCR1_NOLOCK 0x0 /* Set No Locking */
-
-#define OCCR_BASE 0x01E00000 /* Operand Cache Control Register */
-#define OCCR_REG0 0 /* Register 0 offset */
-#define OCCR_REG1 1 /* Register 1 offset */
-#define OCCR0 OCCR_BASE+OCCR_REG0
-#define OCCR1 OCCR_BASE+OCCR_REG1
-
-#define OCCR0_OFF 0x0 /* Set OCACHE off */
-#define OCCR0_ON 0x1 /* Set OCACHE on */
-#define OCCR0_OCI 0x2 /* Invalidate all in OC */
-#define OCCR0_WT 0x4 /* Set OCACHE in WT Mode */
-#define OCCR0_WB 0x0 /* Set OCACHE in WB Mode */
-
-#define OCCR1_NOLOCK 0x0 /* Set No Locking */
-
-
-/*
- * SH-5
- * A bit of description here, for neff=32.
- *
- * |<--- tag (19 bits) --->|
- * +-----------------------------+-----------------+------+----------+------+
- * | | | ways |set index |offset|
- * +-----------------------------+-----------------+------+----------+------+
- * ^ 2 bits 8 bits 5 bits
- * +- Bit 31
- *
- * Cacheline size is based on offset: 5 bits = 32 bytes per line
- * A cache line is identified by a tag + set but OCACHETAG/ICACHETAG
- * have a broader space for registers. These are outlined by
- * CACHE_?C_*_STEP below.
- *
- */
-
-/* Valid and Dirty bits */
-#define SH_CACHE_VALID (1LL<<0)
-#define SH_CACHE_UPDATED (1LL<<57)
-
-/* Cache flags */
-#define SH_CACHE_MODE_WT (1LL<<0)
-#define SH_CACHE_MODE_WB (1LL<<1)
-
-#ifndef __ASSEMBLY__
-
-/*
- * Cache information structure.
- *
- * Defined for both I and D cache, per-processor.
- */
-struct cache_info {
- unsigned int ways;
- unsigned int sets;
- unsigned int linesz;
-
- unsigned int way_shift;
- unsigned int entry_shift;
- unsigned int set_shift;
- unsigned int way_step_shift;
- unsigned int asid_shift;
-
- unsigned int way_ofs;
-
- unsigned int asid_mask;
- unsigned int idx_mask;
- unsigned int epn_mask;
-
- unsigned long flags;
-};
-
-#endif /* __ASSEMBLY__ */
-
-/* Instruction cache */
-#define CACHE_IC_ADDRESS_ARRAY 0x01000000
-
-/* Operand Cache */
-#define CACHE_OC_ADDRESS_ARRAY 0x01800000
-
-/* These declarations relate to cache 'synonyms' in the operand cache. A
- 'synonym' occurs where effective address bits overlap between those used for
- indexing the cache sets and those passed to the MMU for translation. In the
- case of SH5-101 & SH5-103, only bit 12 is affected for 4k pages. */
-
-#define CACHE_OC_N_SYNBITS 1 /* Number of synonym bits */
-#define CACHE_OC_SYN_SHIFT 12
-/* Mask to select synonym bit(s) */
-#define CACHE_OC_SYN_MASK (((1UL<<CACHE_OC_N_SYNBITS)-1)<<CACHE_OC_SYN_SHIFT)
-
-
-/*
- * Instruction cache can't be invalidated based on physical addresses.
- * No Instruction Cache defines required, then.
- */
-
-#endif /* __ASM_SH64_CACHE_H */