Exemple #1
0
static int pl011_getchar(struct serial_chip *chip)
{
	vaddr_t base = chip_to_base(chip);

	while (!pl011_have_rx_data(chip))
		;
	return io_read32(base + UART_DR) & 0xff;
}
Exemple #2
0
static void main_fiq(void)
{
	uint32_t iar;

	DMSG("enter");

	iar = gic_read_iar();

	while (pl011_have_rx_data(CONSOLE_UART_BASE)) {
		DMSG("cpu %zu: got 0x%x",
		     get_core_pos(), pl011_getchar(CONSOLE_UART_BASE));
	}

	gic_write_eoir(iar);

	DMSG("return");
}
Exemple #3
0
int pl011_getchar(vaddr_t base)
{
	while (!pl011_have_rx_data(base))
		;
	return read32(base + UART_DR) & 0xff;
}