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-rw-r--r--arch/x86/include/asm/io_32.h88
1 files changed, 0 insertions, 88 deletions
diff --git a/arch/x86/include/asm/io_32.h b/arch/x86/include/asm/io_32.h
index d8e242e1b396..a299900f5920 100644
--- a/arch/x86/include/asm/io_32.h
+++ b/arch/x86/include/asm/io_32.h
@@ -37,8 +37,6 @@
37 * - Arnaldo Carvalho de Melo <acme@conectiva.com.br> 37 * - Arnaldo Carvalho de Melo <acme@conectiva.com.br>
38 */ 38 */
39 39
40#define IO_SPACE_LIMIT 0xffff
41
42#define XQUAD_PORTIO_BASE 0xfe400000 40#define XQUAD_PORTIO_BASE 0xfe400000
43#define XQUAD_PORTIO_QUAD 0x40000 /* 256k per quad. */ 41#define XQUAD_PORTIO_QUAD 0x40000 /* 256k per quad. */
44 42
@@ -53,92 +51,6 @@
53 */ 51 */
54#define xlate_dev_kmem_ptr(p) p 52#define xlate_dev_kmem_ptr(p) p
55 53
56/**
57 * virt_to_phys - map virtual addresses to physical
58 * @address: address to remap
59 *
60 * The returned physical address is the physical (CPU) mapping for
61 * the memory address given. It is only valid to use this function on
62 * addresses directly mapped or allocated via kmalloc.
63 *
64 * This function does not give bus mappings for DMA transfers. In
65 * almost all conceivable cases a device driver should not be using
66 * this function
67 */
68
69static inline unsigned long virt_to_phys(volatile void *address)
70{
71 return __pa(address);
72}
73
74/**
75 * phys_to_virt - map physical address to virtual
76 * @address: address to remap
77 *
78 * The returned virtual address is a current CPU mapping for
79 * the memory address given. It is only valid to use this function on
80 * addresses that have a kernel mapping
81 *
82 * This function does not handle bus mappings for DMA transfers. In
83 * almost all conceivable cases a device driver should not be using
84 * this function
85 */
86
87static inline void *phys_to_virt(unsigned long address)
88{
89 return __va(address);
90}
91
92/*
93 * Change "struct page" to physical address.
94 */
95#define page_to_phys(page) ((dma_addr_t)page_to_pfn(page) << PAGE_SHIFT)
96
97/**
98 * ioremap - map bus memory into CPU space
99 * @offset: bus address of the memory
100 * @size: size of the resource to map
101 *
102 * ioremap performs a platform specific sequence of operations to
103 * make bus memory CPU accessible via the readb/readw/readl/writeb/
104 * writew/writel functions and the other mmio helpers. The returned
105 * address is not guaranteed to be usable directly as a virtual
106 * address.
107 *
108 * If the area you are trying to map is a PCI BAR you should have a
109 * look at pci_iomap().
110 */
111extern void __iomem *ioremap_nocache(resource_size_t offset, unsigned long size);
112extern void __iomem *ioremap_cache(resource_size_t offset, unsigned long size);
113extern void __iomem *ioremap_prot(resource_size_t offset, unsigned long size,
114 unsigned long prot_val);
115
116/*
117 * The default ioremap() behavior is non-cached:
118 */
119static inline void __iomem *ioremap(resource_size_t offset, unsigned long size)
120{
121 return ioremap_nocache(offset, size);
122}
123
124extern void iounmap(volatile void __iomem *addr);
125
126/*
127 * ISA I/O bus memory addresses are 1:1 with the physical address.
128 */
129#define isa_virt_to_bus virt_to_phys
130#define isa_page_to_bus page_to_phys
131#define isa_bus_to_virt phys_to_virt
132
133/*
134 * However PCI ones are not necessarily 1:1 and therefore these interfaces
135 * are forbidden in portable PCI drivers.
136 *
137 * Allow them on x86 for legacy drivers, though.
138 */
139#define virt_to_bus virt_to_phys
140#define bus_to_virt phys_to_virt
141
142static inline void 54static inline void
143memset_io(volatile void __iomem *addr, unsigned char val, int count) 55memset_io(volatile void __iomem *addr, unsigned char val, int count)
144{ 56{