Files
system76-coreboot/src/soc/intel/elkhartlake/smihandler.c
Subrata Banik 6fb126773f soc/intel/ehl: Replace dt HeciEnabled by HECI1 disable config
The only option to make HECI1 function disable on Elkhart Lake SoC
platform is using SBI under SMM mode.

List of changes:
1. Drop `HeciEnabled` from dt and dt chip configuration.
2. Replace all logic that disables HECI1 based on the `HeciEnabled`
chip config with `DISABLE_HECI1_AT_PRE_BOOT` config.

Mainboards that choose to make HECI1 enable during boot don't override
`heci1 disable` config.

Signed-off-by: Subrata Banik <subratabanik@google.com>
Change-Id: I76c625e6221fdef1343599e7dbc7739caa91bf98
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60727
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Sheng Lean Tan <sheng.tan@9elements.com>
2022-01-21 16:02:34 +00:00

37 lines
1.2 KiB
C

/* 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 MCC chipset. Hence create SMI Handler to
* perform CSME function disabling logic during SMM mode.
*/
void smihandler_soc_at_finalize(void)
{
if (CONFIG(DISABLE_HECI1_AT_PRE_BOOT))
heci_disable();
}
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,
};