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/* SPDX-License-Identifier: GPL-2.0-only */
#include <stdint.h>
#include <amdblocks/acpimmio.h>
#include <amdblocks/smbus.h>
#include <soc/southbridge.h>
void fch_smbus_init(void)
{
/* 400 kHz smbus speed. */
const uint8_t smbus_speed = (66000000 / (400000 * 4));
pm_write8(SMB_ASF_IO_BASE, SMB_BASE_ADDR >> 8);
smbus_write8(SMBTIMING, smbus_speed);
/* Clear all SMBUS status bits */
smbus_write8(SMBHSTSTAT, SMBHST_STAT_CLEAR);
smbus_write8(SMBSLVSTAT, SMBSLV_STAT_CLEAR);
asf_write8(SMBHSTSTAT, SMBHST_STAT_CLEAR);
asf_write8(SMBSLVSTAT, SMBSLV_STAT_CLEAR);
}
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