From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=2a00:1450:400c:c09::22d; helo=mail-wm0-x22d.google.com; envelope-from=leif.lindholm@linaro.org; receiver=edk2-devel@lists.01.org Received: from mail-wm0-x22d.google.com (mail-wm0-x22d.google.com [IPv6:2a00:1450:400c:c09::22d]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id ED569203525EE for ; Thu, 26 Oct 2017 08:02:41 -0700 (PDT) Received: by mail-wm0-x22d.google.com with SMTP id t139so8974773wmt.1 for ; Thu, 26 Oct 2017 08:06:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=ZqOQM8Dbnq3auDJZZmxilEipll7hKfQDIjm+CBQMIQg=; b=FQj/IulmJY+QST9jfYulDdqkqy8dRhTE87TEAf1nkUZwDEUJVfz4+23qqdUEXRqTzV FWUt05CyEWguhAT5GpH8Wn6VTurUvlrNkl3y1U6GaJPkyGcwSXrHzJAGrzETlQY1gfq0 UdG1KTAppwZf5/IhfoX0vefXEyI9k4eZQEhWY= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=ZqOQM8Dbnq3auDJZZmxilEipll7hKfQDIjm+CBQMIQg=; b=BRZOY2rV4tg5Jyn6bp3hweyFe+99dU1UIRMOUZatred4xWhui4mHlcE8ZVtIFtgdlX RRdU1gYKqIVdhOUOneCWgLYj092jzurw076TsPblzi6jmaxHK1LZyiUXbwM+34spF6Ej GV67uatsK4QTpbUWRT6nXcHbZKb00atbNaOncz9EDT/PspesjwmFe63SQPeavRU1q29F P+2Yc1VjXgh7b/9cDqEAYq4Q9C0Y5q7m+XXx87tcXdauJa7ZmR8g7ozmLkxvJ9eznEzE 30Dk2triA8UhG0OyU2KE/z/kJ+1WhAmQhp2qZGHpeSPX6CM0u8mMEHW/4SttPRU0vaxO 5t5w== X-Gm-Message-State: AMCzsaXyZGMeBO6/vyfSE585T7+i6pZ+uS8UQjpbL9AMHmkPFxsGa2DC 3RHMhilb1iuKMsleGKl3tNO5Y0GoZYs= X-Google-Smtp-Source: ABhQp+Q1be/+gEWoSlCHF/i6dNc73NwMF1bDqbBLuobidi8sh9HDOn9F2HWCCO9wLN7JXU3V/2yJIQ== X-Received: by 10.28.109.23 with SMTP id i23mr1790222wmc.32.1509030386906; Thu, 26 Oct 2017 08:06:26 -0700 (PDT) Received: from bivouac.eciton.net (bivouac.eciton.net. [2a00:1098:0:86:1000:23:0:2]) by smtp.gmail.com with ESMTPSA id q4sm1282029wmd.19.2017.10.26.08.06.25 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 26 Oct 2017 08:06:25 -0700 (PDT) Date: Thu, 26 Oct 2017 16:06:24 +0100 From: Leif Lindholm To: Ard Biesheuvel Cc: edk2-devel@lists.01.org, daniel.thompson@linaro.org, masami.hiramatsu@linaro.org Message-ID: <20171026150624.r34vms62b2w7ggbj@bivouac.eciton.net> References: <20171025175947.22798-1-ard.biesheuvel@linaro.org> <20171025175947.22798-6-ard.biesheuvel@linaro.org> MIME-Version: 1.0 In-Reply-To: <20171025175947.22798-6-ard.biesheuvel@linaro.org> User-Agent: NeoMutt/20170113 (1.7.2) Subject: Re: [PATCH edk2-platforms v2 05/23] Silicon/SynQuacer: implement PciSegmentLib to support dual RCs X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 26 Oct 2017 15:02:42 -0000 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, Oct 25, 2017 at 06:59:29PM +0100, Ard Biesheuvel wrote: > Having two distinct root complexes is not supported by the standard > set of PciLib/PciExpressLib/PciSegmentLib, so let's reimplement one > of the latter specifically for this platform (and forget about the > others). > > This also allows us to implement the Synopsys Designware PCIe specific > workaround for PCI config space accesses to devices 1 and up on bus 0. > > Contributed-under: TianoCore Contribution Agreement 1.1 > Signed-off-by: Ard Biesheuvel Reviewed-by: Leif Lindholm / Leif