2 * some sbus structures and macros to make usage of sbus drivers possible
10 unsigned int which_io
;
11 unsigned int phys_addr
;
15 extern void *sparc_alloc_io (u32
, void *, int, char *, u32
, int);
16 #define sparc_alloc_io(a,b,c,d,e,f) (a)
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)