Function sifive_uart_init

src/drivers/uart/sifive.c:36–46

#define IP_RXWM			BIT(1)

static void sifive_uart_init(struct sifive_uart_registers *regs, int div)
{
	/* Configure the divisor */
	write32(&regs->div, div);

	/* Enable transmission, one stop bit, transmit watermark at 1 */
	write32(&regs->txctrl, TXCTRL_TXEN|TXCTRL_NSTOP(1)|TXCTRL_TXCNT(1));

	/* Enable reception, receive watermark at 0 */
	write32(&regs->rxctrl, RXCTRL_RXEN|RXCTRL_RXCNT(0));
}

void uart_init(unsigned int idx)
{