| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* | 
|  | 2 | *  linux/arch/h8300/mm/kmap.c | 
|  | 3 | * | 
|  | 4 | *  Based on | 
|  | 5 | *  linux/arch/m68knommu/mm/kmap.c | 
|  | 6 | * | 
|  | 7 | *  Copyright (C) 2000 Lineo, <davidm@snapgear.com> | 
|  | 8 | *  Copyright (C) 2000-2002 David McCullough <davidm@snapgear.com> | 
|  | 9 | */ | 
|  | 10 |  | 
|  | 11 | #include <linux/config.h> | 
|  | 12 | #include <linux/mm.h> | 
|  | 13 | #include <linux/kernel.h> | 
|  | 14 | #include <linux/string.h> | 
|  | 15 | #include <linux/types.h> | 
|  | 16 | #include <linux/slab.h> | 
|  | 17 | #include <linux/vmalloc.h> | 
|  | 18 |  | 
|  | 19 | #include <asm/setup.h> | 
|  | 20 | #include <asm/segment.h> | 
|  | 21 | #include <asm/page.h> | 
|  | 22 | #include <asm/pgalloc.h> | 
|  | 23 | #include <asm/io.h> | 
|  | 24 | #include <asm/system.h> | 
|  | 25 |  | 
|  | 26 | #undef DEBUG | 
|  | 27 |  | 
|  | 28 | /* | 
|  | 29 | * Map some physical address range into the kernel address space. | 
|  | 30 | */ | 
|  | 31 | void *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag) | 
|  | 32 | { | 
|  | 33 | return (void *)physaddr; | 
|  | 34 | } | 
|  | 35 |  | 
|  | 36 | /* | 
|  | 37 | * Unmap a ioremap()ed region again. | 
|  | 38 | */ | 
|  | 39 | void iounmap(void *addr) | 
|  | 40 | { | 
|  | 41 | } | 
|  | 42 |  | 
|  | 43 | /* | 
|  | 44 | * __iounmap unmaps nearly everything, so be careful | 
|  | 45 | * it doesn't free currently pointer/page tables anymore but it | 
|  | 46 | * wans't used anyway and might be added later. | 
|  | 47 | */ | 
|  | 48 | void __iounmap(void *addr, unsigned long size) | 
|  | 49 | { | 
|  | 50 | } | 
|  | 51 |  | 
|  | 52 | /* | 
|  | 53 | * Set new cache mode for some kernel address space. | 
|  | 54 | * The caller must push data for that range itself, if such data may already | 
|  | 55 | * be in the cache. | 
|  | 56 | */ | 
|  | 57 | void kernel_set_cachemode(void *addr, unsigned long size, int cmode) | 
|  | 58 | { | 
|  | 59 | } |