[PATCH] I2O: handle a few sysfs errors
[linux-2.6.22.y-op.git] / include / asm-m68k / sbus.h
blob3b25c0040aa69a80f05dcc2fc0a9422b64cc3fba
1 /*
2 * some sbus structures and macros to make usage of sbus drivers possible
3 */
5 #ifndef __M68K_SBUS_H
6 #define __M68K_SBUS_H
8 struct sbus_dev {
9 struct {
10 unsigned int which_io;
11 unsigned int phys_addr;
12 } reg_addrs[1];
15 extern void *sparc_alloc_io (u32, void *, int, char *, u32, int);
16 #define sparc_alloc_io(a,b,c,d,e,f) (a)
18 #define ARCH_SUN4 0
20 /* sbus IO functions stolen from include/asm-sparc/io.h for the serial driver */
21 /* No SBUS on the Sun3, kludge -- sam */
23 static inline void _sbus_writeb(unsigned char val, unsigned long addr)
25 *(volatile unsigned char *)addr = val;
28 static inline unsigned char _sbus_readb(unsigned long addr)
30 return *(volatile unsigned char *)addr;
33 static inline void _sbus_writel(unsigned long val, unsigned long addr)
35 *(volatile unsigned long *)addr = val;
39 extern inline unsigned long _sbus_readl(unsigned long addr)
41 return *(volatile unsigned long *)addr;
45 #define sbus_readb(a) _sbus_readb((unsigned long)a)
46 #define sbus_writeb(v, a) _sbus_writeb(v, (unsigned long)a)
47 #define sbus_readl(a) _sbus_readl((unsigned long)a)
48 #define sbus_writel(v, a) _sbus_writel(v, (unsigned long)a)
50 #endif