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Diffstat (limited to 'arch/h8300/mm/memory.c')
-rw-r--r-- | arch/h8300/mm/memory.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/arch/h8300/mm/memory.c b/arch/h8300/mm/memory.c new file mode 100644 index 00000000000..f4ddece3216 --- /dev/null +++ b/arch/h8300/mm/memory.c @@ -0,0 +1,70 @@ +/* + * linux/arch/h8300/mm/memory.c + * + * Copyright (C) 2002 Yoshinori Sato <ysato@users.sourceforge.jp>, + * + * Based on: + * + * linux/arch/m68knommu/mm/memory.c + * + * Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com>, + * Copyright (C) 1999-2002, Greg Ungerer (gerg@snapgear.com) + * + * Based on: + * + * linux/arch/m68k/mm/memory.c + * + * Copyright (C) 1995 Hamish Macdonald + */ + +#include <linux/config.h> +#include <linux/mm.h> +#include <linux/kernel.h> +#include <linux/string.h> +#include <linux/types.h> +#include <linux/slab.h> + +#include <asm/setup.h> +#include <asm/segment.h> +#include <asm/page.h> +#include <asm/pgtable.h> +#include <asm/system.h> +#include <asm/traps.h> +#include <asm/io.h> + +void cache_clear (unsigned long paddr, int len) +{ +} + + +void cache_push (unsigned long paddr, int len) +{ +} + +void cache_push_v (unsigned long vaddr, int len) +{ +} + +/* Map some physical address range into the kernel address space. The + * code is copied and adapted from map_chunk(). + */ + +unsigned long kernel_map(unsigned long paddr, unsigned long size, + int nocacheflag, unsigned long *memavailp ) +{ + return paddr; +} + +#ifdef MAGIC_ROM_PTR + +int is_in_rom(unsigned long addr) +{ + /* Anything not in operational RAM is returned as in rom! */ + if (addr < _ramstart || addr >= _ramend) + return 1; + else + return 0; +} + +#endif + |