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-rw-r--r--arch/x86/include/asm/io_64.h61
1 files changed, 0 insertions, 61 deletions
diff --git a/arch/x86/include/asm/io_64.h b/arch/x86/include/asm/io_64.h
index 563c16270ba6..244067893af4 100644
--- a/arch/x86/include/asm/io_64.h
+++ b/arch/x86/include/asm/io_64.h
@@ -136,73 +136,12 @@ __OUTS(b)
136__OUTS(w) 136__OUTS(w)
137__OUTS(l) 137__OUTS(l)
138 138
139#define IO_SPACE_LIMIT 0xffff
140
141#if defined(__KERNEL__) && defined(__x86_64__) 139#if defined(__KERNEL__) && defined(__x86_64__)
142 140
143#include <linux/vmalloc.h> 141#include <linux/vmalloc.h>
144 142
145#ifndef __i386__
146/*
147 * Change virtual addresses to physical addresses and vv.
148 * These are pretty trivial
149 */
150static inline unsigned long virt_to_phys(volatile void *address)
151{
152 return __pa(address);
153}
154
155static inline void *phys_to_virt(unsigned long address)
156{
157 return __va(address);
158}
159#endif
160
161/*
162 * Change "struct page" to physical address.
163 */
164#define page_to_phys(page) ((dma_addr_t)page_to_pfn(page) << PAGE_SHIFT)
165
166#include <asm-generic/iomap.h> 143#include <asm-generic/iomap.h>
167 144
168/*
169 * This one maps high address device memory and turns off caching for that area.
170 * it's useful if some control registers are in such an area and write combining
171 * or read caching is not desirable:
172 */
173extern void __iomem *ioremap_nocache(resource_size_t offset, unsigned long size);
174extern void __iomem *ioremap_cache(resource_size_t offset, unsigned long size);
175extern void __iomem *ioremap_prot(resource_size_t offset, unsigned long size,
176 unsigned long prot_val);
177
178/*
179 * The default ioremap() behavior is non-cached:
180 */
181static inline void __iomem *ioremap(resource_size_t offset, unsigned long size)
182{
183 return ioremap_nocache(offset, size);
184}
185
186extern void iounmap(volatile void __iomem *addr);
187
188extern void __iomem *fix_ioremap(unsigned idx, unsigned long phys);
189
190/*
191 * ISA I/O bus memory addresses are 1:1 with the physical address.
192 */
193#define isa_virt_to_bus virt_to_phys
194#define isa_page_to_bus page_to_phys
195#define isa_bus_to_virt phys_to_virt
196
197/*
198 * However PCI ones are not necessarily 1:1 and therefore these interfaces
199 * are forbidden in portable PCI drivers.
200 *
201 * Allow them on x86 for legacy drivers, though.
202 */
203#define virt_to_bus virt_to_phys
204#define bus_to_virt phys_to_virt
205
206void __memcpy_fromio(void *, unsigned long, unsigned); 145void __memcpy_fromio(void *, unsigned long, unsigned);
207void __memcpy_toio(unsigned long, const void *, unsigned); 146void __memcpy_toio(unsigned long, const void *, unsigned);
208 147