2 * some sbus structures and macros to make usage of sbus drivers possible
10 unsigned int which_io;
11 unsigned int phys_addr;
15 /* sbus IO functions stolen from include/asm-sparc/io.h for the serial driver */
16 /* No SBUS on the Sun3, kludge -- sam */
18 static inline void _sbus_writeb(unsigned char val, unsigned long addr)
20 *(volatile unsigned char *)addr = val;
23 static inline unsigned char _sbus_readb(unsigned long addr)
25 return *(volatile unsigned char *)addr;
28 static inline void _sbus_writel(unsigned long val, unsigned long addr)
30 *(volatile unsigned long *)addr = val;
34 extern inline unsigned long _sbus_readl(unsigned long addr)
36 return *(volatile unsigned long *)addr;
40 #define sbus_readb(a) _sbus_readb((unsigned long)a)
41 #define sbus_writeb(v, a) _sbus_writeb(v, (unsigned long)a)
42 #define sbus_readl(a) _sbus_readl((unsigned long)a)
43 #define sbus_writel(v, a) _sbus_writel(v, (unsigned long)a)