2 * ppc64 "iomap" interface implementation.
4 * (C) Copyright 2004 Linus Torvalds
8 #include <linux/export.h>
10 #include <asm/pci-bridge.h>
13 * Here comes the ppc64 implementation of the IOMAP
16 unsigned int ioread8(void __iomem *addr)
20 unsigned int ioread16(void __iomem *addr)
24 unsigned int ioread16be(void __iomem *addr)
26 return readw_be(addr);
28 unsigned int ioread32(void __iomem *addr)
32 unsigned int ioread32be(void __iomem *addr)
34 return readl_be(addr);
36 EXPORT_SYMBOL(ioread8);
37 EXPORT_SYMBOL(ioread16);
38 EXPORT_SYMBOL(ioread16be);
39 EXPORT_SYMBOL(ioread32);
40 EXPORT_SYMBOL(ioread32be);
42 u64 ioread64(void __iomem *addr)
46 u64 ioread64be(void __iomem *addr)
48 return readq_be(addr);
50 EXPORT_SYMBOL(ioread64);
51 EXPORT_SYMBOL(ioread64be);
52 #endif /* __powerpc64__ */
54 void iowrite8(u8 val, void __iomem *addr)
58 void iowrite16(u16 val, void __iomem *addr)
62 void iowrite16be(u16 val, void __iomem *addr)
66 void iowrite32(u32 val, void __iomem *addr)
70 void iowrite32be(u32 val, void __iomem *addr)
74 EXPORT_SYMBOL(iowrite8);
75 EXPORT_SYMBOL(iowrite16);
76 EXPORT_SYMBOL(iowrite16be);
77 EXPORT_SYMBOL(iowrite32);
78 EXPORT_SYMBOL(iowrite32be);
80 void iowrite64(u64 val, void __iomem *addr)
84 void iowrite64be(u64 val, void __iomem *addr)
88 EXPORT_SYMBOL(iowrite64);
89 EXPORT_SYMBOL(iowrite64be);
90 #endif /* __powerpc64__ */
93 * These are the "repeat read/write" functions. Note the
94 * non-CPU byte order. We do things in "IO byteorder"
97 * FIXME! We could make these do EEH handling if we really
98 * wanted. Not clear if we do.
100 void ioread8_rep(void __iomem *addr, void *dst, unsigned long count)
102 readsb(addr, dst, count);
104 void ioread16_rep(void __iomem *addr, void *dst, unsigned long count)
106 readsw(addr, dst, count);
108 void ioread32_rep(void __iomem *addr, void *dst, unsigned long count)
110 readsl(addr, dst, count);
112 EXPORT_SYMBOL(ioread8_rep);
113 EXPORT_SYMBOL(ioread16_rep);
114 EXPORT_SYMBOL(ioread32_rep);
116 void iowrite8_rep(void __iomem *addr, const void *src, unsigned long count)
118 writesb(addr, src, count);
120 void iowrite16_rep(void __iomem *addr, const void *src, unsigned long count)
122 writesw(addr, src, count);
124 void iowrite32_rep(void __iomem *addr, const void *src, unsigned long count)
126 writesl(addr, src, count);
128 EXPORT_SYMBOL(iowrite8_rep);
129 EXPORT_SYMBOL(iowrite16_rep);
130 EXPORT_SYMBOL(iowrite32_rep);
132 void __iomem *ioport_map(unsigned long port, unsigned int len)
134 return (void __iomem *) (port + _IO_BASE);
137 void ioport_unmap(void __iomem *addr)
141 EXPORT_SYMBOL(ioport_map);
142 EXPORT_SYMBOL(ioport_unmap);
145 void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
147 if (isa_vaddr_is_ioport(addr))
149 if (pcibios_vaddr_is_ioport(addr))
154 EXPORT_SYMBOL(pci_iounmap);
155 #endif /* CONFIG_PCI */