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 void iowrite8(u8 val, void __iomem *addr)
46 void iowrite16(u16 val, void __iomem *addr)
50 void iowrite16be(u16 val, void __iomem *addr)
54 void iowrite32(u32 val, void __iomem *addr)
58 void iowrite32be(u32 val, void __iomem *addr)
62 EXPORT_SYMBOL(iowrite8);
63 EXPORT_SYMBOL(iowrite16);
64 EXPORT_SYMBOL(iowrite16be);
65 EXPORT_SYMBOL(iowrite32);
66 EXPORT_SYMBOL(iowrite32be);
69 * These are the "repeat read/write" functions. Note the
70 * non-CPU byte order. We do things in "IO byteorder"
73 * FIXME! We could make these do EEH handling if we really
74 * wanted. Not clear if we do.
76 void ioread8_rep(void __iomem *addr, void *dst, unsigned long count)
78 readsb(addr, dst, count);
80 void ioread16_rep(void __iomem *addr, void *dst, unsigned long count)
82 readsw(addr, dst, count);
84 void ioread32_rep(void __iomem *addr, void *dst, unsigned long count)
86 readsl(addr, dst, count);
88 EXPORT_SYMBOL(ioread8_rep);
89 EXPORT_SYMBOL(ioread16_rep);
90 EXPORT_SYMBOL(ioread32_rep);
92 void iowrite8_rep(void __iomem *addr, const void *src, unsigned long count)
94 writesb(addr, src, count);
96 void iowrite16_rep(void __iomem *addr, const void *src, unsigned long count)
98 writesw(addr, src, count);
100 void iowrite32_rep(void __iomem *addr, const void *src, unsigned long count)
102 writesl(addr, src, count);
104 EXPORT_SYMBOL(iowrite8_rep);
105 EXPORT_SYMBOL(iowrite16_rep);
106 EXPORT_SYMBOL(iowrite32_rep);
108 void __iomem *ioport_map(unsigned long port, unsigned int len)
110 return (void __iomem *) (port + _IO_BASE);
113 void ioport_unmap(void __iomem *addr)
117 EXPORT_SYMBOL(ioport_map);
118 EXPORT_SYMBOL(ioport_unmap);
121 void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
123 if (isa_vaddr_is_ioport(addr))
125 if (pcibios_vaddr_is_ioport(addr))
130 EXPORT_SYMBOL(pci_iounmap);
131 #endif /* CONFIG_PCI */