mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-16 14:02:10 +00:00
51 lines
1.1 KiB
C
51 lines
1.1 KiB
C
|
/*
|
||
|
|
* 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)
|
||
|
|
|
||
|
|
#endif
|