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@chromium.org>
@@ -1017,4 +1017,10 @@ 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
@@ -17,6 +17,7 @@ config INTEL_APOLLOLAKE
select PCH_SUPPORT
select P2SB
select SMP_AP_WORK
+ select INTEL_GMA_SWSMISCI
select ACPI_GNVS_EXTERNAL
imply ENABLE_MRC_CACHE
imply AHCI_PCI