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 Side-by-side Diff

include/asm-xtensa/page.h.n
View file @ 4c13986
1   -/*
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 */