diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 61b6b48b81..930efc66cf 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -984,4 +984,10 @@ config INTEL_GENERIC_WIFI network functionality. It is only here to generate the ACPI tables required by Linux. +config INTEL_GMA_SWSMISCI + bool + help + Select this option for Atom-based platforms which use the SWSMISCI + register (0xe0) rather than the SWSCI register (0xe8). + endmenu diff --git a/arch/x86/cpu/apollolake/Kconfig b/arch/x86/cpu/apollolake/Kconfig index 6c62da04f0..e8a9a75112 100644 --- a/arch/x86/cpu/apollolake/Kconfig +++ b/arch/x86/cpu/apollolake/Kconfig @@ -16,6 +16,7 @@ config INTEL_APOLLOLAKE select PCIEX_LENGTH_256MB select PCH_SUPPORT select P2SB + select INTEL_GMA_SWSMISCI select ACPI_GNVS_EXTERNAL imply ENABLE_MRC_CACHE imply AHCI_PCI
Some Atom SoCs use SWSMISCI for SMI control. Add a Kconfig to select this. It is used on Apollo Lake. Signed-off-by: Simon Glass <sjg at chromium.org> --- arch/x86/Kconfig | 6 ++++++ arch/x86/cpu/apollolake/Kconfig | 1 + 2 files changed, 7 insertions(+)