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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/m32r/mm/ioremap-nommu.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/m32r/mm/ioremap-nommu.c')
-rw-r--r-- | arch/m32r/mm/ioremap-nommu.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/m32r/mm/ioremap-nommu.c b/arch/m32r/mm/ioremap-nommu.c new file mode 100644 index 00000000..2759f2d4 --- /dev/null +++ b/arch/m32r/mm/ioremap-nommu.c @@ -0,0 +1,52 @@ +/* + * linux/arch/m32r/mm/ioremap-nommu.c + * + * Copyright (c) 2001, 2002 Hiroyuki Kondo + * + * Taken from mips version. + * (C) Copyright 1995 1996 Linus Torvalds + * (C) Copyright 2001 Ralf Baechle + */ + +/* + * 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 <linux/module.h> +#include <asm/addrspace.h> +#include <asm/byteorder.h> + +#include <linux/vmalloc.h> +#include <asm/io.h> +#include <asm/pgalloc.h> +#include <asm/cacheflush.h> +#include <asm/tlbflush.h> + + +/* + * Remap an arbitrary physical address space into the kernel virtual + * address space. Needed when the kernel wants to access high addresses + * directly. + * + * NOTE! We need to allow non-page-aligned mappings too: we will obviously + * have to convert them into an offset in a page-aligned mapping, but the + * caller shouldn't need to know that small detail. + */ + +#define IS_LOW512(addr) (!((unsigned long)(addr) & ~0x1fffffffUL)) + +void __iomem * +__ioremap(unsigned long phys_addr, unsigned long size, unsigned long flags) +{ + return (void *)phys_addr; +} + +#define IS_KSEG1(addr) (((unsigned long)(addr) & ~0x1fffffffUL) == KSEG1) + +void iounmap(volatile void __iomem *addr) +{ +} + |