bootblock.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <amdblocks/acpimmio.h>
#include <bootblock_common.h>
#include <superio/fintek/common/fintek.h>
#include <superio/fintek/f81866d/f81866d.h>
 
#define SERIAL_DEV1 PNP_DEV(0x4e, F81866D_SP1)
 
void bootblock_mainboard_early_init(void)
{
        /* Disable PCI-PCI bridge and release GPIO32/33 for other uses. */
        pm_write8(0xea, 0x1);
 
        fintek_enable_serial(SERIAL_DEV1, CONFIG_TTYS0_BASE);
}