Enable the CPU uclass and Simple Firmware interface for Minnowbaord MAX. This enables multi-core support in Linux.
Signed-off-by: Simon Glass sjg@chromium.org Reviewed-by: Bin Meng bmeng.cn@gmail.com ---
Changes in v3: None Changes in v2: None
arch/x86/dts/minnowmax.dts | 20 ++++++++++++++++++++ configs/minnowmax_defconfig | 4 ++++ 2 files changed, 24 insertions(+)
diff --git a/arch/x86/dts/minnowmax.dts b/arch/x86/dts/minnowmax.dts index 0233f61..7103bc5 100644 --- a/arch/x86/dts/minnowmax.dts +++ b/arch/x86/dts/minnowmax.dts @@ -68,6 +68,26 @@ stdout-path = "/serial"; };
+ cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + device_type = "cpu"; + compatible = "intel,baytrail-cpu"; + reg = <0>; + intel,apic-id = <0>; + }; + + cpu@1 { + device_type = "cpu"; + compatible = "intel,baytrail-cpu"; + reg = <1>; + intel,apic-id = <4>; + }; + + }; + spi { #address-cells = <1>; #size-cells = <0>; diff --git a/configs/minnowmax_defconfig b/configs/minnowmax_defconfig index c59f4ac..426fb52 100644 --- a/configs/minnowmax_defconfig +++ b/configs/minnowmax_defconfig @@ -8,3 +8,7 @@ CONFIG_FRAMEBUFFER_SET_VESA_MODE=y CONFIG_FRAMEBUFFER_VESA_MODE_11A=y CONFIG_MMCONF_BASE_ADDRESS=0xe0000000 CONFIG_HAVE_INTEL_ME=y +CONFIG_GENERATE_SFI_TABLE=y +CONFIG_CPU=y +CONFIG_CMD_CPU=y +CONFIG_SMP=y