diff options
Diffstat (limited to 'sys/dev/ic/ns16550.h')
| -rw-r--r-- | sys/dev/ic/ns16550.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/dev/ic/ns16550.h b/sys/dev/ic/ns16550.h index 2d93e76..e0a448c 100644 --- a/sys/dev/ic/ns16550.h +++ b/sys/dev/ic/ns16550.h @@ -48,3 +48,4 @@ #define com_mcr 4 /* modem control register (R/W) */ #define com_lsr 5 /* line status register (R/W) */ #define com_msr 6 /* modem status register (R/W) */ +#define com_scr 7 /* scratch register for 16450 up (R/W) */ |
