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#ifndef _I960_IO_H

#define _I960_IO_H

/*

 * readX/writeX() are used to access I/O space-- the address space the PCI

 * speaks in. On the i960 architecture, some PCI addresses can be translated

 * by the atu directly, and some cannot. These functions are non-trivial.

 */

extern unsigned char readb(char* addr);

extern unsigned short readw(char* addr);

extern unsigned int readl(char* addr);

extern unsigned char writeb(unsigned char val, char* addr);

extern unsigned short writew(unsigned short val, char* addr);

extern unsigned int writel(unsigned int val, char* addr);

#define outb_p  writeb

#define outb    writeb

#define outw    writew

#define outl    writel

#define inb_p   readb

#define inb     readb

#define inw     readw

#define inl     readl

/*

 * Change virtual addresses to physical addresses and vv.

 * These are trivial on the 1:1 Linux/i386 mapping (but if we ever

 * make the kernel segment mapped at 0, we need to do translation

 * on the i386 as well)

 */

extern unsigned long mm_vtop(unsigned long addr);

extern unsigned long mm_ptov(unsigned long addr);

extern inline unsigned long virt_to_phys(volatile void * address)

{

        return (unsigned long) mm_vtop((unsigned long)address);

}

extern inline void * phys_to_virt(unsigned long address)

{

        return (void *) mm_ptov(address);

}

/*

 * IO bus memory addresses are also 1:1 with the physical address

 * XXX: umm, not really

 */

#define virt_to_bus virt_to_phys

#define bus_to_virt phys_to_virt

#endif /* _I960_IO_H */