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[/] [or1k_soc_on_altera_embedded_dev_kit/] [trunk/] [linux-2.6/] [linux-2.6.24/] [include/] [asm-um/] [io.h] - Rev 3
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#ifndef __UM_IO_H #define __UM_IO_H #include "asm/page.h" #define IO_SPACE_LIMIT 0xdeadbeef /* Sure hope nothing uses this */ static inline int inb(unsigned long i) { return(0); } static inline void outb(char c, unsigned long i) { } /* * Change virtual addresses to physical addresses and vv. * These are pretty trivial */ static inline unsigned long virt_to_phys(volatile void * address) { return __pa((void *) address); } static inline void * phys_to_virt(unsigned long address) { return __va(address); } /* * Convert a physical pointer to a virtual kernel pointer for /dev/mem * access */ #define xlate_dev_mem_ptr(p) __va(p) /* * Convert a virtual cached pointer to an uncached pointer */ #define xlate_dev_kmem_ptr(p) p static inline void writeb(unsigned char b, volatile void __iomem *addr) { *(volatile unsigned char __force *) addr = b; } static inline void writew(unsigned short b, volatile void __iomem *addr) { *(volatile unsigned short __force *) addr = b; } static inline void writel(unsigned int b, volatile void __iomem *addr) { *(volatile unsigned int __force *) addr = b; } static inline void writeq(unsigned int b, volatile void __iomem *addr) { *(volatile unsigned long long __force *) addr = b; } #define __raw_writeb writeb #define __raw_writew writew #define __raw_writel writel #define __raw_writeq writeq #endif