Searched refs:UART_RXFIFO_EMPTY (Results 1 – 1 of 1) sorted by relevance
20 #define UART_RXFIFO_EMPTY 0x80000000 macro47 return !(io_read32(base + UART_REG_RXFIFO) & UART_RXFIFO_EMPTY); in sifive_uart_have_rx_data()