diff options
Diffstat (limited to 'chip/npcx/uart.c')
| -rw-r--r-- | chip/npcx/uart.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/chip/npcx/uart.c b/chip/npcx/uart.c index a83de311ef..1e4d88f789 100644 --- a/chip/npcx/uart.c +++ b/chip/npcx/uart.c @@ -123,10 +123,14 @@ void uart_tx_start(void) void uart_tx_stop(void) { +#ifdef NPCX_UART_FIFO_SUPPORT + uartn_tx_stop(CONSOLE_UART, 0); +#else uint8_t sleep_ena; sleep_ena = (pad == UART_DEFAULT_PAD) ? 1 : 0; uartn_tx_stop(CONSOLE_UART, sleep_ena); +#endif } void uart_tx_flush(void) @@ -196,6 +200,14 @@ void uart_ec_interrupt(void) return; } #endif +#ifdef NPCX_UART_FIFO_SUPPORT + if (!uartn_tx_in_progress(CONSOLE_UART)) { + if (uart_buffer_empty()) { + uartn_enable_tx_complete_int(CONSOLE_UART, 0); + enable_sleep(SLEEP_MASK_UART); + } + } +#endif /* Default pad. */ /* Read input FIFO until empty, then fill output FIFO */ |