diff options
Diffstat (limited to 'sys/arch/arc/dev/pccons.c')
| -rw-r--r-- | sys/arch/arc/dev/pccons.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/sys/arch/arc/dev/pccons.c b/sys/arch/arc/dev/pccons.c index cfb1359cc40..58a057f54da 100644 --- a/sys/arch/arc/dev/pccons.c +++ b/sys/arch/arc/dev/pccons.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pccons.c,v 1.14 1997/04/19 17:19:53 pefo Exp $ */ +/* $OpenBSD: pccons.c,v 1.15 1997/05/19 16:01:07 pefo Exp $ */ /* $NetBSD: pccons.c,v 1.89 1995/05/04 19:35:20 cgd Exp $ */ /*- @@ -157,6 +157,7 @@ void pc_xmode_on __P((void)); void pc_xmode_off __P((void)); static u_char kbc_get8042cmd __P((void)); static int kbc_put8042cmd __P((u_char)); +int kbc_8042sysreset __P((void)); int kbd_cmd __P((u_char, u_char)); static __inline int kbd_wait_output __P((void)); static __inline int kbd_wait_input __P((void)); @@ -287,6 +288,23 @@ kbd_flush_input() } + +/* + * Pass system reset command to keyboard controller (8042). + */ +int +kbc_8042sysreset() +{ + + if (!kbd_wait_output()) + return 0; + outb(kbd_cmdp, 0xd1); + if (!kbd_wait_output()) + return 0; + outb(kbd_datap, 0); /* ZAP */ + return 1; +} + #if 1 /* * Get the current command byte. |