Exemplos de ns16550_calc_divisor em C++ (Cpp)

Exemplo n.º 1

Arquivo: ns16550.c Projeto: RobertCNelson/debian-u-boot

static int ns16550_serial_setbrg(struct udevice *dev, int baudrate)
{
	struct NS16550 *const com_port = dev_get_priv(dev);
	struct ns16550_platdata *plat = com_port->plat;
	int clock_divisor;

	clock_divisor = ns16550_calc_divisor(com_port, plat->clock, baudrate);

	NS16550_setbrg(com_port, clock_divisor);

	return 0;
}

Exemplo n.º 2

Arquivo: serial_omap.c Projeto: danielschwierzeck/u-boot-lantiq

static inline void _debug_uart_init(void)
{
	struct NS16550 *com_port = (struct NS16550 *)CONFIG_DEBUG_UART_BASE;
	int baud_divisor;

	baud_divisor = ns16550_calc_divisor(com_port, CONFIG_DEBUG_UART_CLOCK,
					    CONFIG_BAUDRATE);
	serial_dout(&com_port->ier, CONFIG_SYS_NS16550_IER);
	serial_dout(&com_port->mdr1, 0x7);
	serial_dout(&com_port->mcr, UART_MCRVAL);
	serial_dout(&com_port->fcr, UART_FCR_DEFVAL);

	serial_dout(&com_port->lcr, UART_LCR_BKSE | UART_LCRVAL);
	serial_dout(&com_port->dll, baud_divisor & 0xff);
	serial_dout(&com_port->dlm, (baud_divisor >> 8) & 0xff);
	serial_dout(&com_port->lcr, UART_LCRVAL);
	serial_dout(&com_port->mdr1, 0x0);
}

Exemplo n.º 3

Arquivo: ns16550.c Projeto: berte/u-boot

static inline void _debug_uart_init(void)
{
	struct NS16550 *com_port = (struct NS16550 *)CONFIG_DEBUG_UART_BASE;
	int baud_divisor;

	/*
	 * We copy the code from above because it is already horribly messy.
	 * Trying to refactor to nicely remove the duplication doesn't seem
	 * feasible. The better fix is to move all users of this driver to
	 * driver model.
	 */
	baud_divisor = ns16550_calc_divisor(com_port, CONFIG_DEBUG_UART_CLOCK,
					    CONFIG_BAUDRATE);
	serial_dout(&com_port->ier, CONFIG_SYS_NS16550_IER);
	serial_dout(&com_port->mcr, UART_MCRVAL);
	serial_dout(&com_port->fcr, UART_FCR_DEFVAL);

	serial_dout(&com_port->lcr, UART_LCR_BKSE | UART_LCRVAL);
	serial_dout(&com_port->dll, baud_divisor & 0xff);
	serial_dout(&com_port->dlm, (baud_divisor >> 8) & 0xff);
	serial_dout(&com_port->lcr, UART_LCRVAL);
}