| /* 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); |
| } |