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 659f591..33a7dd1 100644 --- a/sys/dev/ic/ns16550.h +++ b/sys/dev/ic/ns16550.h @@ -185,6 +185,7 @@ #define DW_REG_USR 31 /* DesignWare derived Uart Status Reg */ #define com_usr 39 /* Octeon 16750/16550 Uart Status Reg */ #define REG_USR com_usr +#define USR_BUSY 1 /* Uart Busy. Serial transfer in progress */ #define USR_TXFIFO_NOTFULL 2 /* Uart TX FIFO Not full */ /* 16950 register #1. Access enabled by ACR[7]. Also requires !LCR[7]. */ |
