Eric Lee / linux-smarc-t335x-v3.2

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Commit 4c139862b8831261d57de02716b92f82e5fb463b

Authored by Adrian Bunk
Committed by Linus Torvalds
1 parent d99cf715a0
Exists in master and in 4 other branches v3.2_AM335xPSP_04.06.00.11, v3.2_NEWT335xPSP_04.06.00.11, v3.2_SBC_SMARTMEN, v3.2_SMARCT335xPSP_04.06.00.11

[PATCH] xtensa: delete accidental file 

This file seems to be an accident.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

Showing 1 changed file with 0 additions and 135 deletions Inline Diff

include/asm-xtensa/page.h.n
View file @ 4c13986
1 /* File was deleted
2 * linux/include/asm-xtensa/page.h
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version2 as
6 * published by the Free Software Foundation.
7 *
8 * Copyright (C) 2001 - 2005 Tensilica Inc.
9 */
10
11 #ifndef _XTENSA_PAGE_H
12 #define _XTENSA_PAGE_H
13
14 #ifdef __KERNEL__
15
16 #include <asm/processor.h>
17 #include <linux/config.h>
18
19 /*
20 * PAGE_SHIFT determines the page size
21 * PAGE_ALIGN(x) aligns the pointer to the (next) page boundary
22 */
23 #define PAGE_SHIFT XCHAL_MMU_MIN_PTE_PAGE_SIZE
24 #define PAGE_SIZE (1 << PAGE_SHIFT)
25 #define PAGE_MASK (~(PAGE_SIZE-1))
26 #define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE - 1) & PAGE_MASK)
27
28 #define DCACHE_WAY_SIZE (XCHAL_DCACHE_SIZE / XCHAL_DCACHE_WAYS)
29 #define PAGE_OFFSET XCHAL_KSEG_CACHED_VADDR
30
31 #ifdef __ASSEMBLY__
32
33 #define __pgprot(x) (x)
34
35 #else
36
37
38 /*
39 * These are used to make use of C type-checking..
40 */
41 typedef struct { unsigned long pte; } pte_t; /* page table entry */
42 typedef struct { unsigned long pmd; } pmd_t; /* PMD table entry */
43 typedef struct { unsigned long pgd; } pgd_t; /* PGD table entry */
44 typedef struct { unsigned long pgprot; } pgprot_t;
45
46 #define pte_val(x) ((x).pte)
47 #define pmd_val(x) ((x).pmd)
48 #define pgd_val(x) ((x).pgd)
49 #define pgprot_val(x) ((x).pgprot)
50
51 #define __pte(x) ((pte_t) { (x) } )
52 #define __pmd(x) ((pmd_t) { (x) } )
53 #define __pgd(x) ((pgd_t) { (x) } )
54 #define __pgprot(x) ((pgprot_t) { (x) } )
55
56 /*
57 * Pure 2^n version of get_order
58 */
59 extern __inline__ int get_order(unsigned long size)
60 {
61 int order;
62 #ifndef XCHAL_HAVE_NSU
63 unsigned long x1, x2, x4, x8, x16;
64
65 size = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
66 x1 = size & 0xAAAAAAAA;
67 x2 = size & 0xCCCCCCCC;
68 x4 = size & 0xF0F0F0F0;
69 x8 = size & 0xFF00FF00;
70 x16 = size & 0xFFFF0000;
71 order = x2 ? 2 : 0;
72 order += (x16 != 0) * 16;
73 order += (x8 != 0) * 8;
74 order += (x4 != 0) * 4;
75 order += (x1 != 0);
76
77 return order;
78 #else
79 size = (size - 1) >> PAGE_SHIFT;
80 asm ("nsau %0, %1" : "=r" (order) : "r" (size));
81 return 32 - order;
82 #endif
83 }
84
85
86 struct page;
87 extern void clear_page(void *page);
88 extern void copy_page(void *to, void *from);
89
90 /*
91 * If we have cache aliasing and writeback caches, we might have to do
92 * some extra work
93 */
94
95 #if (DCACHE_WAY_SIZE > PAGE_SIZE) && XCHAL_DCACHE_IS_WRITEBACK
96 void clear_user_page(void *addr, unsigned long vaddr, struct page* page);
97 void copy_user_page(void *to, void* from, unsigned long vaddr, struct page* page);
98 #else
99 # define clear_user_page(page,vaddr,pg) clear_page(page)
100 # define copy_user_page(to, from, vaddr, pg) copy_page(to, from)
101 #endif
102
103
104 /*
105 * This handles the memory map. We handle pages at
106 * XCHAL_KSEG_CACHED_VADDR for kernels with 32 bit address space.
107 * These macros are for conversion of kernel address, not user
108 * addresses.
109 */
110
111 #define __pa(x) ((unsigned long) (x) - PAGE_OFFSET)
112 #define __va(x) ((void *)((unsigned long) (x) + PAGE_OFFSET))
113 #define pfn_valid(pfn) ((unsigned long)pfn < max_mapnr)
114 #ifndef CONFIG_DISCONTIGMEM
115 # define pfn_to_page(pfn) (mem_map + (pfn))
116 # define page_to_pfn(page) ((unsigned long)((page) - mem_map))
117 #else
118 # error CONFIG_DISCONTIGMEM not supported
119 #endif
120
121 #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
122 #define page_to_virt(page) __va(page_to_pfn(page) << PAGE_SHIFT)
123 #define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
124 #define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT)
125
126 #define WANT_PAGE_VIRTUAL
127
128
129 #endif /* __ASSEMBLY__ */
130
131 #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
132 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
133
134 #endif /* __KERNEL__ */
135 #endif /* _XTENSA_PAGE_H */
136 1 /*