From: Bin Meng <bmeng.cn@gmail.com>
Date: Fri, 10 Aug 2018 09:39:37 +0000 (-0700)
Subject: x86: coreboot: Add default TSC frequency in the device tree
X-Git-Tag: v2018.09-rc3~35^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=864915561b3273a4f8894804146d6739e8e49ab2;p=pandora-u-boot.git

x86: coreboot: Add default TSC frequency in the device tree

It was observed sometimes U-Boot as the coreboot payload fails to
boot on QEMU. This is because TSC calibration fails with no valid
frequency. This adds default TSC frequency in the device tree.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
---

diff --git a/arch/x86/dts/coreboot.dts b/arch/x86/dts/coreboot.dts
index a94f7818331..e212f3dc7db 100644
--- a/arch/x86/dts/coreboot.dts
+++ b/arch/x86/dts/coreboot.dts
@@ -30,6 +30,10 @@
 		stdout-path = "/serial";
 	};
 
+	tsc-timer {
+		clock-frequency = <1000000000>;
+	};
+
 	pci {
 		compatible = "pci-x86";
 		u-boot,dm-pre-reloc;