示例#1
0
static int rockchip_serial_probe(struct udevice *dev)
{
	struct rockchip_uart_platdata *plat = dev_get_platdata(dev);

	/* Create some new platform data for the standard driver */
	plat->plat.base = plat->dtplat.reg[0];
	plat->plat.reg_shift = plat->dtplat.reg_shift;
	plat->plat.clock = plat->dtplat.clock_frequency;
	dev->platdata = &plat->plat;

	return ns16550_serial_probe(dev);
}
示例#2
0
static int mid_serial_probe(struct udevice *dev)
{
	struct ns16550_platdata *plat = dev_get_platdata(dev);

	/*
	 * Initialize fractional divider correctly for Intel Edison
	 * platform.
	 *
	 * For backward compatibility we have to set initial DLAB value
	 * to 16 and speed to 115200 baud, where initial frequency is
	 * 29491200Hz, and XTAL frequency is 38.4MHz.
	 */
	mid_writel(plat, UART_MUL, 96);
	mid_writel(plat, UART_DIV, 125);
	mid_writel(plat, UART_PS, 16);

	return ns16550_serial_probe(dev);
}