From 5e21a96efc8be35033cc8f8ea0c929bb43edb3c6 Mon Sep 17 00:00:00 2001 From: Jamie Chen Date: Fri, 12 Jul 2024 11:19:48 +0800 Subject: soc/intel/alderlake: Fix system hang by enabling SMI handling Issue: System hang occurred due to unhandled SPI synchronous SMI, triggered by LOCK_ENABLE bit and WPD assertion. Solution: Enabled SOC_INTEL_COMMON_BLOCK_SMM_TCO_ENABLE configuration to allow the system to handle and clear SPI synchronous SMI. BUG=b:350623902 TEST=reboot test on 40 google/xol by ODM, all passed w/o hang. Change-Id: I4c14b1e3d537e46e671e950c91c9d0042fe26836 Signed-off-by: Jamie Chen Reviewed-on: https://review.coreboot.org/c/coreboot/+/83432 Reviewed-by: Subrata Banik Tested-by: build bot (Jenkins) Reviewed-by: SH Kim Reviewed-by: Edward Doan --- src/soc/intel/alderlake/Kconfig | 1 + 1 file changed, 1 insertion(+) (limited to 'src') diff --git a/src/soc/intel/alderlake/Kconfig b/src/soc/intel/alderlake/Kconfig index 9b6e16135e..470dbf4d8e 100644 --- a/src/soc/intel/alderlake/Kconfig +++ b/src/soc/intel/alderlake/Kconfig @@ -76,6 +76,7 @@ config SOC_INTEL_ALDERLAKE select SOC_INTEL_COMMON_BLOCK_SA select SOC_INTEL_COMMON_BLOCK_SMM select SOC_INTEL_COMMON_BLOCK_SMM_IO_TRAP + select SOC_INTEL_COMMON_BLOCK_SMM_TCO_ENABLE select SOC_INTEL_COMMON_BLOCK_THERMAL_BEHIND_PMC select SOC_INTEL_COMMON_BLOCK_VTD select SOC_INTEL_COMMON_BLOCK_XHCI -- cgit v1.2.3