bootblock.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <amdblocks/acpimmio.h>
#include <arch/io.h>
#include <bootblock_common.h>
 
void bootblock_mainboard_early_init(void)
{
        int i;
        u32 val;
 
        /* Disable PCI-PCI bridge and release GPIO32/33 for other uses. */
        pm_write8(0xea, 0x1);
 
        /* On Larne, after LpcClkDrvSth is set, it needs some time to be stable, because of the buffer ICS551M */
        for (i = 0; i < 200000; i++)
                val = inb(0xcd6);
}