blob: 3b25c0040aa69a80f05dcc2fc0a9422b64cc3fba [file] [log] [blame]
* 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;
extern inline unsigned long _sbus_readl(unsigned long addr)
return *(volatile unsigned long *)addr;
#define sbus_readb(a) _sbus_readb((unsigned long)a)
#define sbus_writeb(v, a) _sbus_writeb(v, (unsigned long)a)
#define sbus_readl(a) _sbus_readl((unsigned long)a)
#define sbus_writel(v, a) _sbus_writel(v, (unsigned long)a)