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/*

 * some sbus structures and macros to make usage of sbus drivers possible

 */

#ifndef __M68K_SBUS_H

#define __M68K_SBUS_H

struct sbus_dev {

        struct {

                unsigned int which_io;

                unsigned int phys_addr;

        } reg_addrs[1];

};

extern void *sparc_alloc_io (u32, void *, int, char *, u32, int);

#define sparc_alloc_io(a,b,c,d,e,f)     (a)

#define ARCH_SUN4  0

/* sbus IO functions stolen from include/asm-sparc/io.h for the serial driver */

/* No SBUS on the Sun3, kludge -- sam */

static inline void _sbus_writeb(unsigned char val, unsigned long addr)

{

        *(volatile unsigned char *)addr = val;

}

static inline unsigned char _sbus_readb(unsigned long addr)

{

        return *(volatile unsigned char *)addr;

}

static inline void _sbus_writel(unsigned long val, unsigned long addr)

{

        *(volatile unsigned long *)addr = val;

}

#define sbus_readb(a) _sbus_readb((unsigned long)a)

#define sbus_writeb(v, a) _sbus_writeb(v, (unsigned long)a)

#define sbus_writel(v, a) _sbus_writel(v, (unsigned long)a)

#endif