From patchwork Wed Sep 16 00:39:20 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ray Jui X-Patchwork-Id: 7190191 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id A6E3B9F380 for ; Wed, 16 Sep 2015 00:42:18 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id B7E962084E for ; Wed, 16 Sep 2015 00:42:17 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B3DE52084B for ; Wed, 16 Sep 2015 00:42:16 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Zc0m2-0000ay-F0; Wed, 16 Sep 2015 00:40:34 +0000 Received: from mail-gw3-out.broadcom.com ([216.31.210.64]) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Zc0l6-0007Q1-HE for linux-arm-kernel@lists.infradead.org; Wed, 16 Sep 2015 00:39:37 +0000 X-IronPort-AV: E=Sophos;i="5.17,537,1437462000"; d="scan'208";a="75064358" Received: from irvexchcas08.broadcom.com (HELO IRVEXCHCAS08.corp.ad.broadcom.com) ([10.9.208.57]) by mail-gw3-out.broadcom.com with ESMTP; 15 Sep 2015 18:03:14 -0700 Received: from IRVEXCHSMTP3.corp.ad.broadcom.com (10.9.207.53) by IRVEXCHCAS08.corp.ad.broadcom.com (10.9.208.57) with Microsoft SMTP Server (TLS) id 14.3.235.1; Tue, 15 Sep 2015 17:39:15 -0700 Received: from mail-irva-13.broadcom.com (10.10.10.20) by IRVEXCHSMTP3.corp.ad.broadcom.com (10.9.207.53) with Microsoft SMTP Server id 14.3.235.1; Tue, 15 Sep 2015 17:39:15 -0700 Received: from mail.broadcom.com (unknown [10.136.8.49]) by mail-irva-13.broadcom.com (Postfix) with ESMTP id 4F8EE40FE5; Tue, 15 Sep 2015 17:36:36 -0700 (PDT) From: Ray Jui To: Bjorn Helgaas Subject: [PATCH 6/8] PCI: iproc: Update iProc PCIe device tree bindings Date: Tue, 15 Sep 2015 17:39:20 -0700 Message-ID: <1442363962-29805-7-git-send-email-rjui@broadcom.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1442363962-29805-1-git-send-email-rjui@broadcom.com> References: <1442363962-29805-1-git-send-email-rjui@broadcom.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150915_173936_659664_DAFA51D6 X-CRM114-Status: UNSURE ( 9.57 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -4.2 (----) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Hauke Mehrtens , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, Ray Jui , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch updates the iProc PCIe device tree bindings with added support for outbound mapping configurations Signed-off-by: Ray Jui --- .../devicetree/bindings/pci/brcm,iproc-pcie.txt | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt b/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt index f7ce50e..45c2a80 100644 --- a/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt +++ b/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt @@ -17,6 +17,21 @@ Optional properties: - phys: phandle of the PCIe PHY device - phy-names: must be "pcie-phy" +- brcm,pcie-ob: Some iProc SoCs do not have the outbound address mapping done +by the ASIC after power on reset. In this case, SW needs to configure it + +If the brcm,pcie-ob property is present, the following properties become +effective: + +Required: +- brcm,pcie-ob-axi-offset: The offset from the AXI address to the internal +address used by the iProc PCIe core (not the PCIe address) +- brcm,pcie-ob-window-size: The outbound address mapping window size (in MB) + +Optional: +- brcm,pcie-ob-oarr-size: Some iProc SoCs need the OARR size bit to be set to +increase the outbound window size + Example: pcie0: pcie@18012000 { compatible = "brcm,iproc-pcie"; @@ -38,6 +53,11 @@ Example: phys = <&phy 0 5>; phy-names = "pcie-phy"; + + brcm,pcie-ob; + brcm,pcie-ob-oarr-size; + brcm,pcie-ob-axi-offset = <0x00000000>; + brcm,pcie-ob-window-size = <256>; }; pcie1: pcie@18013000 {