UART_CLK 109 bsp/boot/arm/integrator/debug.c divider = UART_CLK / (16 * BAUD_RATE); UART_CLK 110 bsp/boot/arm/integrator/debug.c remainder = UART_CLK % (16 * BAUD_RATE); UART_CLK 200 bsp/drv/dev/serial/pl011.c divider = UART_CLK / (16 * BAUD_RATE); UART_CLK 201 bsp/drv/dev/serial/pl011.c remainder = UART_CLK % (16 * BAUD_RATE);