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[U-Boot,20/20] x86: Enable multi-core init for Minnowboard MAX

Message ID 1430174911-27538-21-git-send-email-sjg@chromium.org
State Superseded
Delegated to: Simon Glass
Headers show

Commit Message

Simon Glass April 27, 2015, 10:48 p.m. UTC 
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>
---

 arch/x86/dts/minnowmax.dts  | 20 ++++++++++++++++++++
 configs/minnowmax_defconfig |  4 ++++
 2 files changed, 24 insertions(+)
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Patch

diff --git a/arch/x86/dts/minnowmax.dts b/arch/x86/dts/minnowmax.dts
index ecd4a89..1d08e8c 100644
--- a/arch/x86/dts/minnowmax.dts
+++ b/arch/x86/dts/minnowmax.dts
@@ -26,6 +26,26 @@ 
 		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 d1add19..6b70de2 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_SFI=y
+CONFIG_CPU=y
+CONFIG_CMD_CPU=y
+CONFIG_SMP=y