diff options
| author | mdodd <mdodd@FreeBSD.org> | 1999-09-03 02:04:28 +0000 |
|---|---|---|
| committer | mdodd <mdodd@FreeBSD.org> | 1999-09-03 02:04:28 +0000 |
| commit | 787d2575bc4a4fa6e8289b60ee2405e15fb0158b (patch) | |
| tree | f8d141221ef5dd681a29d52481f755622bd37c72 /sys/i386/isa/clock.c | |
| parent | 974aea3e4ce095b6052dd022878c5e475ec147b7 (diff) | |
| download | FreeBSD-src-787d2575bc4a4fa6e8289b60ee2405e15fb0158b.zip FreeBSD-src-787d2575bc4a4fa6e8289b60ee2405e15fb0158b.tar.gz | |
This adds the i386 specific support for systems with a MicroChannel
Architecture bus.
Reviewed by: msmith
Diffstat (limited to 'sys/i386/isa/clock.c')
| -rw-r--r-- | sys/i386/isa/clock.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sys/i386/isa/clock.c b/sys/i386/isa/clock.c index 8a3e1c9..c659741 100644 --- a/sys/i386/isa/clock.c +++ b/sys/i386/isa/clock.c @@ -85,6 +85,11 @@ #include <i386/isa/intr_machdep.h> +#include "mca.h" +#if NMCA > 0 +#include <i386/isa/mca_machdep.h> +#endif + #ifdef SMP #define disable_intr() CLOCK_DISABLE_INTR() #define enable_intr() CLOCK_ENABLE_INTR() @@ -258,6 +263,11 @@ clkintr(struct clockframe frame) } break; } +#if NMCA > 0 + /* Reset clock interrupt by asserting bit 7 of port 0x61 */ + if (MCA_system) + outb(0x61, inb(0x61) | 0x80); +#endif } /* |
