From 281239ad9dc2a695a53ab34dda44cdbe31c69122 Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Wed, 29 Apr 2015 22:26:03 -0600
Subject: [PATCH] x86: Enable multi-core init for Minnowboard MAX
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>
---
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 0233f614172..7103bc50777 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 c59f4ace1ef..426fb527c73 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
--
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