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/* SPDX-License-Identifier: GPL-2.0-only */
#include <device/pci_def.h>
#include <intelblocks/cse.h>
#include <intelblocks/smihandler.h>
#include <soc/soc_chip.h>
#include <soc/pci_devs.h>
#include <soc/pm.h>
/*
* Specific SOC SMI handler during ramstage finalize phase
*
* BIOS can't make CSME function disable as is due to POSTBOOT_SAI
* restriction in place from TGP chipset. Hence create SMI Handler to
* perform CSME function disabling logic during SMM mode.
*/
void smihandler_soc_at_finalize(void)
{
const struct soc_intel_tigerlake_config *config;
config = config_of_soc();
if (!config->HeciEnabled && CONFIG(HECI_DISABLE_USING_SMM))
heci_disable();
}
int smihandler_soc_disable_busmaster(pci_devfn_t dev)
{
/* Skip disabling PMC bus master to keep IO decode enabled */
if (dev == PCH_DEV_PMC)
return 0;
return 1;
}
const smi_handler_t southbridge_smi[SMI_STS_BITS] = {
[SMI_ON_SLP_EN_STS_BIT] = smihandler_southbridge_sleep,
[APM_STS_BIT] = smihandler_southbridge_apmc,
[PM1_STS_BIT] = smihandler_southbridge_pm1,
[GPE0_STS_BIT] = smihandler_southbridge_gpe0,
[GPIO_STS_BIT] = smihandler_southbridge_gpi,
[ESPI_SMI_STS_BIT] = smihandler_southbridge_espi,
[MCSMI_STS_BIT] = smihandler_southbridge_mc,
#if CONFIG(SOC_INTEL_COMMON_BLOCK_SMM_TCO_ENABLE)
[TCO_STS_BIT] = smihandler_southbridge_tco,
#endif
[PERIODIC_STS_BIT] = smihandler_southbridge_periodic,
[MONITOR_STS_BIT] = smihandler_southbridge_monitor,
};
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