/* 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); }