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#ifndef _OR32_IO_H

#define _OR32_IO_H

#include <asm/page.h>

#include <linux/config.h>

/*

 * Change virtual addresses to physical addresses and vv.

 */

static inline unsigned long virt_to_phys(volatile void * address)

{

        return __pa(address);

}

static inline void * phys_to_virt(unsigned long address)

{

        return __va(address);

}

extern void * __ioremap(unsigned long offset, unsigned long size, unsigned long flags);

extern inline void * ioremap (unsigned long offset, unsigned long size)

{

        return __ioremap(offset, size, 0);

}

#define page_to_phys(page)      ((page - mem_map) << PAGE_SHIFT)

/*

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

 */

#define virt_to_bus virt_to_phys

#define bus_to_virt phys_to_virt

/*

 * readX/writeX() are used to access memory mapped devices. On some

 * architectures the memory mapped IO stuff needs to be accessed

 * differently. On the or32 architecture, we just read/write the

 * memory location directly.

 */

#define readb(addr) (*(volatile unsigned char *) (addr))

#define readw(addr) (*(volatile unsigned short *) (addr))

#define readl(addr) (*(volatile unsigned int *) (addr))

#define writeb(b,addr) ((*(volatile unsigned char *) (addr)) = (b))

#define writew(b,addr) ((*(volatile unsigned short *) (addr)) = (b))

#define writel(b,addr) ((*(volatile unsigned int *) (addr)) = (b))

#define memset_io(a,b,c)        memset((void *)(a),(b),(c))

#define memcpy_fromio(a,b,c)    memcpy((a),(void *)(b),(c))

#define memcpy_toio(a,b,c)      memcpy((void *)(a),(b),(c))

/*

 * Again, or32 does not require mem IO specific function.

 */

#define eth_io_copy_and_sum(a,b,c,d)    eth_copy_and_sum((a),(void *)(b),(c),(d))

#define IO_BASE                 0x0

#define IO_SPACE_LIMIT          0xffffffff

#define inb(port)               (*(volatile unsigned char *) (port+IO_BASE))

#define outb(value,port)        ((*(volatile unsigned char *) (port+IO_BASE)) = (value))        

/*

 * __PHX__ TODO

 */

#define outw(x,y)

#define outl(x,y)

#define insb(x,y,z)

#define insw(x,y,z)

#define insl(x,y,z)

#define outsb(x,y,z)

#define outsw(x,y,z)

#define outsl(x,y,z)

#endif