diff options
Diffstat (limited to 'sys/arch/powerpc/isa/spkrreg.h')
| -rw-r--r-- | sys/arch/powerpc/isa/spkrreg.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sys/arch/powerpc/isa/spkrreg.h b/sys/arch/powerpc/isa/spkrreg.h new file mode 100644 index 00000000000..ab9becf1fed --- /dev/null +++ b/sys/arch/powerpc/isa/spkrreg.h @@ -0,0 +1,12 @@ +/* $OpenBSD: spkrreg.h,v 1.1 1998/09/27 03:55:58 rahnds Exp $ */ +/* $NetBSD: spkrreg.h,v 1.1 1996/04/12 01:54:46 cgd Exp $ */ + +/* + * PIT port addresses and speaker control values + */ + +#define PITAUX_PORT 0x61 /* port of Programmable Peripheral Interface */ +#define PIT_ENABLETMR2 0x01 /* Enable timer/counter 2 */ +#define PIT_SPKRDATA 0x02 /* Direct to speaker */ + +#define PIT_SPKR (PIT_ENABLETMR2|PIT_SPKRDATA) |