From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752868AbbIPAkq (ORCPT ); Tue, 15 Sep 2015 20:40:46 -0400 Received: from mail-gw3-out.broadcom.com ([216.31.210.64]:36175 "EHLO mail-gw3-out.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751811AbbIPAjQ (ORCPT ); Tue, 15 Sep 2015 20:39:16 -0400 X-IronPort-AV: E=Sophos;i="5.17,537,1437462000"; d="scan'208";a="75064358" From: Ray Jui To: Bjorn Helgaas CC: Hauke Mehrtens , , , , , Ray Jui 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 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 { -- 1.9.1