bootblock.c

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/* SPDX-License-Identifier: GPL-2.0-or-later */
 
#include <bootblock_common.h>
#include <superio/ite/it8772f/it8772f.h>
#include <superio/ite/common/ite.h>
 
#define GPIO_DEV PNP_DEV(0x2e, IT8772F_GPIO)
#define UART_DEV PNP_DEV(0x2e, IT8772F_SP1)
 
void bootblock_mainboard_early_init(void)
{
        ite_conf_clkin(GPIO_DEV, ITE_UART_CLK_PREDIVIDE_24);
        ite_enable_3vsbsw(GPIO_DEV);
        ite_kill_watchdog(GPIO_DEV);
        ite_enable_serial(UART_DEV, CONFIG_TTYS0_BASE);
}