IMSC_RX           149 bsp/drv/dev/serial/pl011.c 		bus_write_32(UART_IMSC, (IMSC_RX | IMSC_TX));
IMSC_RX           217 bsp/drv/dev/serial/pl011.c 	bus_write_32(UART_IMSC, (IMSC_RX | IMSC_TX));