diff options
| author | Simon Glass | 2020-09-22 12:45:15 -0600 |
|---|---|---|
| committer | Bin Meng | 2020-09-25 11:27:18 +0800 |
| commit | b98b91b6a98bbc9b43c70896c7ef89bd55c430bc (patch) | |
| tree | a654da59b9575f0ca1013b7d1e96027a12441c9b | |
| parent | 9b3e6d4c1f86b27f320ef9c5857a9ef223b2b356 (diff) | |
x86: Support Atom SoCs using SWSMISCI rather than the SWSCI
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>
| -rw-r--r-- | arch/x86/Kconfig | 6 | ||||
| -rw-r--r-- | arch/x86/cpu/apollolake/Kconfig | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 495629d32ed..eddf2a774ef 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -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 diff --git a/arch/x86/cpu/apollolake/Kconfig b/arch/x86/cpu/apollolake/Kconfig index 319f12684b7..35a425cd1bc 100644 --- a/arch/x86/cpu/apollolake/Kconfig +++ b/arch/x86/cpu/apollolake/Kconfig @@ -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 |