diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-26 10:33:01 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-26 10:33:01 -0800 |
commit | ac3d266bf1bbbdd7efb6bd6760f2ee29e43bb132 (patch) | |
tree | d498e947176f4b77938034ff6c6427f9875da721 /arch/m68k/include/asm/sbus.h | |
parent | 9f4863b7dc7f545bb3a01746feafdc1208e86c89 (diff) | |
parent | 49148020bcb6910ce71417bd990a5ce7017f9bd3 (diff) | |
download | op-kernel-dev-ac3d266bf1bbbdd7efb6bd6760f2ee29e43bb132.zip op-kernel-dev-ac3d266bf1bbbdd7efb6bd6760f2ee29e43bb132.tar.gz |
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
m68k,m68knommu: merge header files
Resolve trivial conflict in arch/m68knommu/include/asm/Kbuild
Diffstat (limited to 'arch/m68k/include/asm/sbus.h')
-rw-r--r-- | arch/m68k/include/asm/sbus.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/sbus.h b/arch/m68k/include/asm/sbus.h new file mode 100644 index 0000000..bfe3ba1 --- /dev/null +++ b/arch/m68k/include/asm/sbus.h @@ -0,0 +1,45 @@ +/* + * 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]; +}; + +/* 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 |