aboutsummaryrefslogtreecommitdiff
path: root/include/asm-sh/cpu-sh3/cacheflush.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-sh/cpu-sh3/cacheflush.h')
-rw-r--r--include/asm-sh/cpu-sh3/cacheflush.h70
1 files changed, 0 insertions, 70 deletions
diff --git a/include/asm-sh/cpu-sh3/cacheflush.h b/include/asm-sh/cpu-sh3/cacheflush.h
deleted file mode 100644
index f70d8ef76a1..00000000000
--- a/include/asm-sh/cpu-sh3/cacheflush.h
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- * include/asm-sh/cpu-sh3/cacheflush.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_SH3_CACHEFLUSH_H
-#define __ASM_CPU_SH3_CACHEFLUSH_H
-
-/*
- * Cache flushing:
- *
- * - flush_cache_all() flushes entire cache
- * - flush_cache_mm(mm) flushes the specified mm context's cache lines
- * - flush_cache_dup mm(mm) handles cache flushing when forking
- * - flush_cache_page(mm, vmaddr, pfn) flushes a single page
- * - flush_cache_range(vma, start, end) flushes a range of pages
- *
- * - flush_dcache_page(pg) flushes(wback&invalidates) a page for dcache
- * - flush_icache_range(start, end) flushes(invalidates) a range for icache
- * - flush_icache_page(vma, pg) flushes(invalidates) a page for icache
- *
- * Caches are indexed (effectively) by physical address on SH-3, so
- * we don't need them.
- */
-
-#if defined(CONFIG_SH7705_CACHE_32KB)
-
-/* SH7705 is an SH3 processor with 32KB cache. This has alias issues like the
- * SH4. Unlike the SH4 this is a unified cache so we need to do some work
- * in mmap when 'exec'ing a new binary
- */
- /* 32KB cache, 4kb PAGE sizes need to check bit 12 */
-#define CACHE_ALIAS 0x00001000
-
-#define PG_mapped PG_arch_1
-
-void flush_cache_all(void);
-void flush_cache_mm(struct mm_struct *mm);
-#define flush_cache_dup_mm(mm) flush_cache_mm(mm)
-void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
- unsigned long end);
-void flush_cache_page(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn);
-void flush_dcache_page(struct page *pg);
-void flush_icache_range(unsigned long start, unsigned long end);
-void flush_icache_page(struct vm_area_struct *vma, struct page *page);
-#else
-#define flush_cache_all() do { } while (0)
-#define flush_cache_mm(mm) do { } while (0)
-#define flush_cache_dup_mm(mm) do { } while (0)
-#define flush_cache_range(vma, start, end) do { } while (0)
-#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
-#define flush_dcache_page(page) do { } while (0)
-#define flush_icache_range(start, end) do { } while (0)
-#define flush_icache_page(vma,pg) do { } while (0)
-#endif
-
-#define flush_dcache_mmap_lock(mapping) do { } while (0)
-#define flush_dcache_mmap_unlock(mapping) do { } while (0)
-
-/* SH3 has unified cache so no special action needed here */
-#define flush_cache_sigtramp(vaddr) do { } while (0)
-#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
-
-#define p3_cache_init() do { } while (0)
-
-#endif /* __ASM_CPU_SH3_CACHEFLUSH_H */