2 * ppc64 "iomap" interface implementation.
4 * (C) Copyright 2004 Linus Torvalds
8 #include <linux/export.h>
10 #include <asm/pci-bridge.h>
11 #include <asm/isa-bridge.h>
14 * Here comes the ppc64 implementation of the IOMAP
17 unsigned int ioread8(void __iomem *addr)
21 unsigned int ioread16(void __iomem *addr)
25 unsigned int ioread16be(void __iomem *addr)
27 return readw_be(addr);
29 unsigned int ioread32(void __iomem *addr)
33 unsigned int ioread32be(void __iomem *addr)
35 return readl_be(addr);
37 EXPORT_SYMBOL(ioread8);
38 EXPORT_SYMBOL(ioread16);
39 EXPORT_SYMBOL(ioread16be);
40 EXPORT_SYMBOL(ioread32);
41 EXPORT_SYMBOL(ioread32be);
43 u64 ioread64(void __iomem *addr)
47 u64 ioread64be(void __iomem *addr)
49 return readq_be(addr);
51 EXPORT_SYMBOL(ioread64);
52 EXPORT_SYMBOL(ioread64be);
53 #endif /* __powerpc64__ */
55 void iowrite8(u8 val, void __iomem *addr)
59 void iowrite16(u16 val, void __iomem *addr)
63 void iowrite16be(u16 val, void __iomem *addr)
67 void iowrite32(u32 val, void __iomem *addr)
71 void iowrite32be(u32 val, void __iomem *addr)
75 EXPORT_SYMBOL(iowrite8);
76 EXPORT_SYMBOL(iowrite16);
77 EXPORT_SYMBOL(iowrite16be);
78 EXPORT_SYMBOL(iowrite32);
79 EXPORT_SYMBOL(iowrite32be);
81 void iowrite64(u64 val, void __iomem *addr)
85 void iowrite64be(u64 val, void __iomem *addr)
89 EXPORT_SYMBOL(iowrite64);
90 EXPORT_SYMBOL(iowrite64be);
91 #endif /* __powerpc64__ */
94 * These are the "repeat read/write" functions. Note the
95 * non-CPU byte order. We do things in "IO byteorder"
98 * FIXME! We could make these do EEH handling if we really
99 * wanted. Not clear if we do.
101 void ioread8_rep(void __iomem *addr, void *dst, unsigned long count)
103 readsb(addr, dst, count);
105 void ioread16_rep(void __iomem *addr, void *dst, unsigned long count)
107 readsw(addr, dst, count);
109 void ioread32_rep(void __iomem *addr, void *dst, unsigned long count)
111 readsl(addr, dst, count);
113 EXPORT_SYMBOL(ioread8_rep);
114 EXPORT_SYMBOL(ioread16_rep);
115 EXPORT_SYMBOL(ioread32_rep);
117 void iowrite8_rep(void __iomem *addr, const void *src, unsigned long count)
119 writesb(addr, src, count);
121 void iowrite16_rep(void __iomem *addr, const void *src, unsigned long count)
123 writesw(addr, src, count);
125 void iowrite32_rep(void __iomem *addr, const void *src, unsigned long count)
127 writesl(addr, src, count);
129 EXPORT_SYMBOL(iowrite8_rep);
130 EXPORT_SYMBOL(iowrite16_rep);
131 EXPORT_SYMBOL(iowrite32_rep);
133 void __iomem *ioport_map(unsigned long port, unsigned int len)
135 return (void __iomem *) (port + _IO_BASE);
138 void ioport_unmap(void __iomem *addr)
142 EXPORT_SYMBOL(ioport_map);
143 EXPORT_SYMBOL(ioport_unmap);
146 void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
148 if (isa_vaddr_is_ioport(addr))
150 if (pcibios_vaddr_is_ioport(addr))
155 EXPORT_SYMBOL(pci_iounmap);
156 #endif /* CONFIG_PCI */