From patchwork Fri Aug 10 09:39:37 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bin Meng X-Patchwork-Id: 956166 X-Patchwork-Delegate: bmeng.cn@gmail.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.denx.de (client-ip=81.169.180.215; helo=lists.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="WDkcxdzu"; dkim-atps=neutral Received: from lists.denx.de (dione.denx.de [81.169.180.215]) by ozlabs.org (Postfix) with ESMTP id 41n0Sp5Dxnz9s7Q for ; Fri, 10 Aug 2018 19:39:22 +1000 (AEST) Received: by lists.denx.de (Postfix, from userid 105) id 65F23C21DC1; Fri, 10 Aug 2018 09:38:10 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de X-Spam-Level: X-Spam-Status: No, score=-0.0 required=5.0 tests=FREEMAIL_FROM, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, T_DKIM_INVALID autolearn=unavailable autolearn_force=no version=3.4.0 Received: from lists.denx.de (localhost [IPv6:::1]) by lists.denx.de (Postfix) with ESMTP id 6DD7DC21D74; Fri, 10 Aug 2018 09:37:16 +0000 (UTC) Received: by lists.denx.de (Postfix, from userid 105) id 6D943C21DF8; Fri, 10 Aug 2018 09:37:12 +0000 (UTC) Received: from mail-pg1-f196.google.com (mail-pg1-f196.google.com [209.85.215.196]) by lists.denx.de (Postfix) with ESMTPS id 2726DC21DCA for ; Fri, 10 Aug 2018 09:37:05 +0000 (UTC) Received: by mail-pg1-f196.google.com with SMTP id z8-v6so4142549pgu.8 for ; Fri, 10 Aug 2018 02:37:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:in-reply-to:references; bh=2VOSB+N1WF0cBWOAB3Gqa82TLziYqSMbSyg2sxernig=; b=WDkcxdzu79r33mvoZ0IjPkTD+6X3ggb9lvrLdqm6YAnXPg1M51hHw4/yrlc6d4sr0I nS+Aqd9d2ZcCbsN8B8HlnpCG8d1W1rG2vmkPd3G50/AMidUE3JeTuavdhLHtgNDW88W+ Bm8Pv8P/JHtJCNOdtJAWrFWetdl0c86J79m18yoGxcMSkalmULPOLHKc46Pqm4QUijOx 9PgK8qWiNhQdCLFiJAOzVFQkLFkUFrgt0yquwGT3LygugBwhOoKx2yVN/cmfS8ufEVAl ApPXrINQdjD8ucc96ZrH3O/sCeizPRaDG8vogFseSu7JNh6AL4MtF/Lwedh7QIe++4XZ gtEQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references; bh=2VOSB+N1WF0cBWOAB3Gqa82TLziYqSMbSyg2sxernig=; b=lzAPex8c+zHY+dVIh1LbXBGayfJ2ixYd4xjmF0xQJXRxW1enLXn8jIXzN92TT/UGub clnyDI1J2kv7XyePOLyZn3oZkynJs7ihg12vVrPa/IRClxABIS1nj0DffV730qrh5jCs ef+/HfOrHycQqnxo4o+HYG2WXrAZERv1q988JLBnpOuMYbSkcS9b9md9Ye/Hj+eqpYHA aWHb0a5fNUcc6G9rorQMh/3cWQ8mrYsmy9W5ea0O1jYEGRQGEDULDcy/fZQ9UBCxeyYN WHgRycAmromSKPF+J+/Edej5fIcggwp8TjJl3iV+NWR6DsJ1xOn5wajE/DWVLBwAcImf KVsg== X-Gm-Message-State: AOUpUlHVTUVHwVtaYplPyMXpJEGrdrYaroO/fiIjgYx/+IRnqmMQmH4i goSY77q2hMK+Ilp1ZG3naTE= X-Google-Smtp-Source: AA+uWPyjkXgEASJzzcKrfiyoolVQf7EmHfvlheIN0Ob+15q359MZOVwVBbHzVe4e11tSTvQ3bnvxwQ== X-Received: by 2002:a62:5b85:: with SMTP id p127-v6mr6395207pfb.33.1533893823864; Fri, 10 Aug 2018 02:37:03 -0700 (PDT) Received: from ala-d2121-lx1.wrs.com (unknown-156-139.windriver.com. [147.11.156.139]) by smtp.gmail.com with ESMTPSA id u71-v6sm30416717pfk.174.2018.08.10.02.37.02 (version=TLS1_1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 10 Aug 2018 02:37:02 -0700 (PDT) From: Bin Meng To: Simon Glass , George McCollister , U-Boot Mailing List Date: Fri, 10 Aug 2018 02:39:37 -0700 Message-Id: <1533893978-12838-5-git-send-email-bmeng.cn@gmail.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1533893978-12838-1-git-send-email-bmeng.cn@gmail.com> References: <1533893978-12838-1-git-send-email-bmeng.cn@gmail.com> Subject: [U-Boot] [PATCH 5/6] x86: coreboot: Add default TSC frequency in the device tree X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" 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 Reviewed-by: Christian Gmeiner --- arch/x86/dts/coreboot.dts | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/x86/dts/coreboot.dts b/arch/x86/dts/coreboot.dts index a94f781..e212f3d 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;