FR_TXFF            83 bsp/boot/arm/integrator/debug.c 	while (UART_FR & FR_TXFF)
FR_TXFF           123 bsp/drv/dev/serial/pl011.c 	while (bus_read_32(UART_FR) & FR_TXFF)
FR_TXFF            51 bsp/hal/arm/integrator/diag.c 	while (UART_FR & FR_TXFF)