diff options
Diffstat (limited to 'src/drivers/uart')
| -rw-r--r-- | src/drivers/uart/uart8250reg.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/drivers/uart/uart8250reg.h b/src/drivers/uart/uart8250reg.h index 35a6845554..c6f23ac1ca 100644 --- a/src/drivers/uart/uart8250reg.h +++ b/src/drivers/uart/uart8250reg.h @@ -24,6 +24,7 @@ #define UART8250_IIR_THRI 0x02 /* Transmitter holding register empty */ #define UART8250_IIR_RDI 0x04 /* Receiver data interrupt */ #define UART8250_IIR_RLSI 0x06 /* Receiver line status interrupt */ +#define UART8250_IIR_FIFO_EN 0xC0 /* FIFO enabled */ #define UART8250_FCR 0x02 #define UART8250_FCR_FIFO_EN BIT(0) /* Fifo enable */ |