From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from foss.arm.com ([217.140.101.70]:59135 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933869AbcCNMNO (ORCPT ); Mon, 14 Mar 2016 08:13:14 -0400 Date: Mon, 14 Mar 2016 12:15:38 +0000 From: Lorenzo Pieralisi To: Bjorn Helgaas Cc: Joao Pinto , Liviu Dudau , catalin.marinas@arm.com, linux-pci@vger.kernel.org Subject: Re: Request for Info: Designware PCIe Root Complex support in ARM64 Message-ID: <20160314121538.GB6629@red-moon> References: <56E2ACF8.6030503@synopsys.com> <20160311194600.GA16257@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20160311194600.GA16257@localhost> Sender: linux-pci-owner@vger.kernel.org List-ID: On Fri, Mar 11, 2016 at 01:46:00PM -0600, Bjorn Helgaas wrote: > [+cc Lorenzo] > > On Fri, Mar 11, 2016 at 11:33:12AM +0000, Joao Pinto wrote: > > Hi Liviu, Catalin and Bjorn, > > > > I am currently working on the PCIe Root Complex based on the Designware Core > > (/pci/host/pcie-desigware.c). I have noticed that currently building a solution > > based on the previous for an ARM64 CPU is problematic and demands some tweaking > > in the ARM64 arch (like adding some functions in the pcibios, etc.). > > If I understand you correctly, you're saying that pcie-designware.c > doesn't build on arm64. It would be helpful to know exactly what > problem you're seeing (what kernel version, what config, what the > error are, etc.) Yes, I am not sure I understand what Joao is referring to so I would be grateful if he can provide us with additional details. Thanks, Lorenzo