romstage.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <amdblocks/acpimmio.h>
#include <console/console.h>
#include <northbridge/amd/agesa/state_machine.h>
#include <southbridge/amd/agesa/hudson/smbus.h>
 
static void smbus_setup(void)
{
        post_code(0x30);
 
        /* turn on secondary smbus at b20 */
        pm_write8(0x28, pm_read8(0x28) | 0x01);
}
 
void board_BeforeAgesa(struct sysinfo *cb)
{
        smbus_setup();
}