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/* SPDX-License-Identifier: GPL-2.0-only */
#include <bootblock_common.h>
#include <northbridge/intel/sandybridge/raminit.h>
#include <southbridge/intel/bd82x6x/pch.h>
#include <superio/ite/common/ite.h>
#include <superio/ite/it8728f/it8728f.h>
#define SUPERIO_GPIO PNP_DEV(0x2e, IT8728F_GPIO)
#define SERIAL_DEV PNP_DEV(0x2e, 0x01)
void bootblock_mainboard_early_init(void)
{
if (!CONFIG(NO_UART_ON_SUPERIO)) {
/* Enable serial port */
ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
}
/* Disable SIO WDT which kicks in DualBIOS */
ite_reg_write(SUPERIO_GPIO, 0xEF, 0x7E);
}
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