src/mainboard/emulation/qemu-power8/uart.c

/* SPDX-License-Identifier: GPL-2.0-only */

#include <types.h>
#include <console/uart.h>
#include <boot/coreboot_tables.h>

static uint8_t *buf = (void *)0;
uintptr_t uart_platform_base(unsigned int idx)
{
	return (uintptr_t) buf;
}

void uart_init(unsigned int idx)
{
}

unsigned char uart_rx_byte(unsigned int idx)
{
	return 0;
}

void uart_tx_byte(unsigned int idx, unsigned char data)
{

}

void uart_tx_flush(unsigned int idx)
{
}

void uart_fill_lb(void *data)
{
	struct lb_serial serial;

	serial.type = LB_SERIAL_TYPE_MEMORY_MAPPED;
	serial.baseaddr = 0;
	serial.baud = 115200;
	serial.regwidth = 1;
	serial.input_hertz = uart_platform_refclk();
	serial.uart_pci_addr = CONFIG_UART_PCI_ADDR;
	lb_add_serial(&serial, data);

	lb_add_console(LB_TAG_CONSOLE_SERIAL8250MEM, data);
}