diff options
Diffstat (limited to 'include/asm-m68k/virtconvert.h')
-rw-r--r-- | include/asm-m68k/virtconvert.h | 49 |
1 files changed, 14 insertions, 35 deletions
diff --git a/include/asm-m68k/virtconvert.h b/include/asm-m68k/virtconvert.h index 83a87c9b1a16..dea32fbc7e51 100644 --- a/include/asm-m68k/virtconvert.h +++ b/include/asm-m68k/virtconvert.h | |||
@@ -8,56 +8,35 @@ | |||
8 | #ifdef __KERNEL__ | 8 | #ifdef __KERNEL__ |
9 | 9 | ||
10 | #include <linux/compiler.h> | 10 | #include <linux/compiler.h> |
11 | #include <linux/mmzone.h> | ||
11 | #include <asm/setup.h> | 12 | #include <asm/setup.h> |
12 | #include <asm/page.h> | 13 | #include <asm/page.h> |
13 | 14 | ||
14 | #ifdef CONFIG_AMIGA | ||
15 | #include <asm/amigahw.h> | ||
16 | #endif | ||
17 | |||
18 | /* | 15 | /* |
19 | * Change virtual addresses to physical addresses and vv. | 16 | * Change virtual addresses to physical addresses and vv. |
20 | */ | 17 | */ |
21 | #ifndef CONFIG_SUN3 | ||
22 | extern unsigned long mm_vtop(unsigned long addr) __attribute_const__; | ||
23 | extern unsigned long mm_ptov(unsigned long addr) __attribute_const__; | ||
24 | #else | ||
25 | static inline unsigned long mm_vtop(unsigned long vaddr) | ||
26 | { | ||
27 | return __pa(vaddr); | ||
28 | } | ||
29 | |||
30 | static inline unsigned long mm_ptov(unsigned long paddr) | ||
31 | { | ||
32 | return (unsigned long)__va(paddr); | ||
33 | } | ||
34 | #endif | ||
35 | |||
36 | #ifdef CONFIG_SINGLE_MEMORY_CHUNK | ||
37 | static inline unsigned long virt_to_phys(void *vaddr) | ||
38 | { | ||
39 | return (unsigned long)vaddr - PAGE_OFFSET + m68k_memory[0].addr; | ||
40 | } | ||
41 | |||
42 | static inline void * phys_to_virt(unsigned long paddr) | ||
43 | { | ||
44 | return (void *)(paddr - m68k_memory[0].addr + PAGE_OFFSET); | ||
45 | } | ||
46 | #else | ||
47 | static inline unsigned long virt_to_phys(void *address) | 18 | static inline unsigned long virt_to_phys(void *address) |
48 | { | 19 | { |
49 | return mm_vtop((unsigned long)address); | 20 | return __pa(address); |
50 | } | 21 | } |
51 | 22 | ||
52 | static inline void *phys_to_virt(unsigned long address) | 23 | static inline void *phys_to_virt(unsigned long address) |
53 | { | 24 | { |
54 | return (void *) mm_ptov(address); | 25 | return __va(address); |
55 | } | 26 | } |
56 | #endif | ||
57 | 27 | ||
58 | /* Permanent address of a page. */ | 28 | /* Permanent address of a page. */ |
59 | #define __page_address(page) (PAGE_OFFSET + (((page) - mem_map) << PAGE_SHIFT)) | 29 | #ifdef CONFIG_SINGLE_MEMORY_CHUNK |
60 | #define page_to_phys(page) virt_to_phys((void *)__page_address(page)) | 30 | #define page_to_phys(page) \ |
31 | __pa(PAGE_OFFSET + (((page) - pg_data_map[0].node_mem_map) << PAGE_SHIFT)) | ||
32 | #else | ||
33 | #define page_to_phys(_page) ({ \ | ||
34 | struct page *__page = _page; \ | ||
35 | struct pglist_data *pgdat; \ | ||
36 | pgdat = pg_data_table[page_to_nid(__page)]; \ | ||
37 | page_to_pfn(__page) << PAGE_SHIFT; \ | ||
38 | }) | ||
39 | #endif | ||
61 | 40 | ||
62 | /* | 41 | /* |
63 | * IO bus memory addresses are 1:1 with the physical address, | 42 | * IO bus memory addresses are 1:1 with the physical address, |