From patchwork Tue Jan 22 06:33:25 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaowei Bao X-Patchwork-Id: 10774917 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7AF9213B5 for ; Tue, 22 Jan 2019 06:39:22 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 68AB92ACF6 for ; Tue, 22 Jan 2019 06:39:20 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 57D252AD4B; Tue, 22 Jan 2019 06:39:20 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id D15932ACF6 for ; Tue, 22 Jan 2019 06:39:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Owner; bh=Ui7uQfYCz8g35hNVkSeTIccj+0ASAmqXX/xvx9KgWh8=; b=m41 vN2LYFhh0CFf0rSfDWngFk2esBguxZh6MFEGbwNBpmoOGEFKY2FFP/tR6aukv2/VuuOzrWb8ij85j aRLsQcNb5ADoHMOEXVg0ls1i38H8zRcYznQDDveZA7xQ4rqCG7JfZsoyonyWgBkY0yuEn7RaI++Z8 FygE2LRfW+bUE9WjItQ1ulhpBqy721FarB4K4VqZzKdv4viBMrkr/2f95XUxB2cPLeA9My9KzwLw5 a6nA45GaKuY/QS5O/5Moa6zbsMQuD8pEuAHVKoc9MiUOSIZk+RHvFjUsNRqrgD5VacMGv55+fDtC4 Jwc8cVOhWsOeR6eLrNrzD5kwhva6O7Q==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1glpiP-0001j7-Ii; Tue, 22 Jan 2019 06:39:17 +0000 Received: from inva020.nxp.com ([92.121.34.13]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1glpiL-0001iV-MU for linux-arm-kernel@lists.infradead.org; Tue, 22 Jan 2019 06:39:15 +0000 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id C13111A01FD; Tue, 22 Jan 2019 07:39:11 +0100 (CET) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 375CC1A00A7; Tue, 22 Jan 2019 07:39:02 +0100 (CET) Received: from titan.ap.freescale.net (TITAN.ap.freescale.net [10.192.208.233]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 73486402A6; Tue, 22 Jan 2019 14:38:50 +0800 (SGT) From: Xiaowei Bao To: bhelgaas@google.com, robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, leoyang.li@nxp.com, kishon@ti.com, lorenzo.pieralisi@arm.com, arnd@arndb.de, gregkh@linuxfoundation.org, minghuan.Lian@nxp.com, mingkai.hu@nxp.com, roy.zang@nxp.com, kstewart@linuxfoundation.org, cyrille.pitchen@free-electrons.com, pombredanne@nexb.com, shawn.lin@rock-chips.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCHv6 1/4] dt-bindings: add DT binding for the layerscape PCIe controller with EP mode Date: Tue, 22 Jan 2019 14:33:25 +0800 Message-Id: <20190122063328.25228-1-xiaowei.bao@nxp.com> X-Mailer: git-send-email 2.14.1 X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190121_223913_873624_A39D0BDC X-CRM114-Status: UNSURE ( 7.01 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Xiaowei Bao MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Add the documentation for the Device Tree binding for the layerscape PCIe controller with EP mode. Signed-off-by: Xiaowei Bao Reviewed-by: Minghuan Lian Reviewed-by: Zhiqiang Hou Reviewed-by: Rob Herring --- v2: - Add the SoC specific compatibles. v3: - modify the commit message. v4: - no change. v5: - no change. v6: - no change. .../devicetree/bindings/pci/layerscape-pci.txt | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/Documentation/devicetree/bindings/pci/layerscape-pci.txt b/Documentation/devicetree/bindings/pci/layerscape-pci.txt index 9b2b8d6..e20ceaa 100644 --- a/Documentation/devicetree/bindings/pci/layerscape-pci.txt +++ b/Documentation/devicetree/bindings/pci/layerscape-pci.txt @@ -13,6 +13,7 @@ information. Required properties: - compatible: should contain the platform identifier such as: + RC mode: "fsl,ls1021a-pcie" "fsl,ls2080a-pcie", "fsl,ls2085a-pcie" "fsl,ls2088a-pcie" @@ -20,6 +21,8 @@ Required properties: "fsl,ls1046a-pcie" "fsl,ls1043a-pcie" "fsl,ls1012a-pcie" + EP mode: + "fsl,ls1046a-pcie-ep", "fsl,ls-pcie-ep" - reg: base addresses and lengths of the PCIe controller register blocks. - interrupts: A list of interrupt outputs of the controller. Must contain an entry for each entry in the interrupt-names property. From patchwork Tue Jan 22 06:33:26 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaowei Bao X-Patchwork-Id: 10774927 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id F315C13B5 for ; Tue, 22 Jan 2019 06:39:57 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CA39229CF4 for ; Tue, 22 Jan 2019 06:39:41 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BDA8F2AD67; Tue, 22 Jan 2019 06:39:41 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 7276029CF4 for ; Tue, 22 Jan 2019 06:39:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=kXkw7439QySsGA5p4BnLSxVFYCqXGpsz/uwJTPEXsvs=; b=rxIf8R5eskTfISFK+3XN3Wn8uu a4QLSAld6eOIRJOl4yaK7+6eVZSuByNT7oIYh+WttZkm4OPHd8ZgzZv42w1UrrILOIi2JkMuf6My3 1XmqszD0dduzSDRFzIAmgQIB2aTG27XBabvVWnmwABsKjuMVtw8YdPtj0m61av6zh3GoaSwb4y0vl OPTQXKaCCZ8q/t6Tl86sKR4HbLVKTRAnHMP88m1H31U89nzp1KeVauhbkloFqicEfW3s7Lg9NoiIi osBFGzwgEprzkIB49G4xrwG3lFaO2fI0blYkD0ENMoEviIgJxuCBUKqMH6m8Ot27MvwJNEXN5xphk OmQ44a7A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1glpik-0001yr-Fj; Tue, 22 Jan 2019 06:39:38 +0000 Received: from inva021.nxp.com ([92.121.34.21]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1glpiN-0001ih-9c for linux-arm-kernel@lists.infradead.org; Tue, 22 Jan 2019 06:39:16 +0000 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 9D95C2003C6; Tue, 22 Jan 2019 07:39:13 +0100 (CET) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 132322001FA; Tue, 22 Jan 2019 07:39:04 +0100 (CET) Received: from titan.ap.freescale.net (TITAN.ap.freescale.net [10.192.208.233]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 532DE402A9; Tue, 22 Jan 2019 14:38:52 +0800 (SGT) From: Xiaowei Bao To: bhelgaas@google.com, robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, leoyang.li@nxp.com, kishon@ti.com, lorenzo.pieralisi@arm.com, arnd@arndb.de, gregkh@linuxfoundation.org, minghuan.Lian@nxp.com, mingkai.hu@nxp.com, roy.zang@nxp.com, kstewart@linuxfoundation.org, cyrille.pitchen@free-electrons.com, pombredanne@nexb.com, shawn.lin@rock-chips.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCHv6 2/4] arm64: dts: Add the PCIE EP node in dts Date: Tue, 22 Jan 2019 14:33:26 +0800 Message-Id: <20190122063328.25228-2-xiaowei.bao@nxp.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20190122063328.25228-1-xiaowei.bao@nxp.com> References: <20190122063328.25228-1-xiaowei.bao@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190121_223915_473750_D63C5CF5 X-CRM114-Status: UNSURE ( 8.26 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Xiaowei Bao MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Add the PCIE EP node in dts for ls1046a. Signed-off-by: Xiaowei Bao Reviewed-by: Minghuan Lian Reviewed-by: Zhiqiang Hou Reviewed-by: Rob Herring --- v2: - Add the SoC specific compatibles. v3: - no change v4: - no change v5: - change the OB win number due to the RM update. v6: - no change arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi | 34 +++++++++++++++++++++++- 1 files changed, 33 insertions(+), 1 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi index 0e762ca..cb71850 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi @@ -666,6 +666,17 @@ status = "disabled"; }; + pcie_ep@3400000 { + compatible = "fsl,ls1046a-pcie-ep","fsl,ls-pcie-ep"; + reg = <0x00 0x03400000 0x0 0x00100000 + 0x40 0x00000000 0x8 0x00000000>; + reg-names = "regs", "addr_space"; + num-ib-windows = <6>; + num-ob-windows = <8>; + num-lanes = <2>; + status = "disabled"; + }; + pcie@3500000 { compatible = "fsl,ls1046a-pcie"; reg = <0x00 0x03500000 0x0 0x00100000 /* controller registers */ @@ -693,6 +704,17 @@ status = "disabled"; }; + pcie_ep@3500000 { + compatible = "fsl,ls1046a-pcie-ep","fsl,ls-pcie-ep"; + reg = <0x00 0x03500000 0x0 0x00100000 + 0x48 0x00000000 0x8 0x00000000>; + reg-names = "regs", "addr_space"; + num-ib-windows = <6>; + num-ob-windows = <8>; + num-lanes = <2>; + status = "disabled"; + }; + pcie@3600000 { compatible = "fsl,ls1046a-pcie"; reg = <0x00 0x03600000 0x0 0x00100000 /* controller registers */ @@ -720,6 +742,17 @@ status = "disabled"; }; + pcie_ep@3600000 { + compatible = "fsl,ls1046a-pcie-ep", "fsl,ls-pcie-ep"; + reg = <0x00 0x03600000 0x0 0x00100000 + 0x50 0x00000000 0x8 0x00000000>; + reg-names = "regs", "addr_space"; + num-ib-windows = <6>; + num-ob-windows = <8>; + num-lanes = <2>; + status = "disabled"; + }; + qdma: dma-controller@8380000 { compatible = "fsl,ls1046a-qdma", "fsl,ls1021a-qdma"; reg = <0x0 0x8380000 0x0 0x1000>, /* Controller regs */ @@ -740,7 +773,6 @@ queue-sizes = <64 64>; big-endian; }; - }; reserved-memory { From patchwork Tue Jan 22 06:33:27 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaowei Bao X-Patchwork-Id: 10774931 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id DBF8113B5 for ; Tue, 22 Jan 2019 06:40:19 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C7B9F2ACF6 for ; Tue, 22 Jan 2019 06:40:19 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B7C722AED7; Tue, 22 Jan 2019 06:40:19 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 0374C2AEBA for ; 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Tue, 22 Jan 2019 06:40:14 +0000 Received: from inva021.nxp.com ([92.121.34.21]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1glpiQ-0001jT-Ru for linux-arm-kernel@lists.infradead.org; Tue, 22 Jan 2019 06:39:21 +0000 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id A673F200211; Tue, 22 Jan 2019 07:39:17 +0100 (CET) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id AE1D42001F2; Tue, 22 Jan 2019 07:39:07 +0100 (CET) Received: from titan.ap.freescale.net (TITAN.ap.freescale.net [10.192.208.233]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 34A84402B5; Tue, 22 Jan 2019 14:38:54 +0800 (SGT) From: Xiaowei Bao To: bhelgaas@google.com, robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, leoyang.li@nxp.com, kishon@ti.com, lorenzo.pieralisi@arm.com, arnd@arndb.de, gregkh@linuxfoundation.org, minghuan.Lian@nxp.com, mingkai.hu@nxp.com, roy.zang@nxp.com, kstewart@linuxfoundation.org, cyrille.pitchen@free-electrons.com, pombredanne@nexb.com, shawn.lin@rock-chips.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCHv6 3/4] pci: layerscape: Add the EP mode support. Date: Tue, 22 Jan 2019 14:33:27 +0800 Message-Id: <20190122063328.25228-3-xiaowei.bao@nxp.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20190122063328.25228-1-xiaowei.bao@nxp.com> References: <20190122063328.25228-1-xiaowei.bao@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190121_223919_514864_F4812E7D X-CRM114-Status: GOOD ( 14.45 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Xiaowei Bao MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Add the PCIe EP mode support for layerscape platform. Signed-off-by: Xiaowei Bao Reviewed-by: Minghuan Lian Reviewed-by: Zhiqiang Hou Reviewed-by: Kishon Vijay Abraham I --- depends on: https://patchwork.kernel.org/project/linux-pci/list/?series=66177 v2: - remove the EP mode check function. v3: - modif the return value when enter default case. v4: - no change. v5: - no change. v6: - modify the code base on the submit patch of the EP framework. drivers/pci/controller/dwc/Makefile | 2 +- drivers/pci/controller/dwc/pci-layerscape-ep.c | 157 ++++++++++++++++++++++++ 2 files changed, 158 insertions(+), 1 deletions(-) create mode 100644 drivers/pci/controller/dwc/pci-layerscape-ep.c diff --git a/drivers/pci/controller/dwc/Makefile b/drivers/pci/controller/dwc/Makefile index 7bcdcdf..b5f3b83 100644 --- a/drivers/pci/controller/dwc/Makefile +++ b/drivers/pci/controller/dwc/Makefile @@ -8,7 +8,7 @@ obj-$(CONFIG_PCI_EXYNOS) += pci-exynos.o obj-$(CONFIG_PCI_IMX6) += pci-imx6.o obj-$(CONFIG_PCIE_SPEAR13XX) += pcie-spear13xx.o obj-$(CONFIG_PCI_KEYSTONE) += pci-keystone.o -obj-$(CONFIG_PCI_LAYERSCAPE) += pci-layerscape.o +obj-$(CONFIG_PCI_LAYERSCAPE) += pci-layerscape.o pci-layerscape-ep.o obj-$(CONFIG_PCIE_QCOM) += pcie-qcom.o obj-$(CONFIG_PCIE_ARMADA_8K) += pcie-armada8k.o obj-$(CONFIG_PCIE_ARTPEC6) += pcie-artpec6.o diff --git a/drivers/pci/controller/dwc/pci-layerscape-ep.c b/drivers/pci/controller/dwc/pci-layerscape-ep.c new file mode 100644 index 0000000..ddc2dbb --- /dev/null +++ b/drivers/pci/controller/dwc/pci-layerscape-ep.c @@ -0,0 +1,157 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * PCIe controller EP driver for Freescale Layerscape SoCs + * + * Copyright (C) 2018 NXP Semiconductor. + * + * Author: Xiaowei Bao + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "pcie-designware.h" + +#define PCIE_DBI2_OFFSET 0x1000 /* DBI2 base address*/ + +struct ls_pcie_ep { + struct dw_pcie *pci; +}; + +#define to_ls_pcie_ep(x) dev_get_drvdata((x)->dev) + +static int ls_pcie_establish_link(struct dw_pcie *pci) +{ + return 0; +} + +static const struct dw_pcie_ops ls_pcie_ep_ops = { + .start_link = ls_pcie_establish_link, +}; + +static const struct of_device_id ls_pcie_ep_of_match[] = { + { .compatible = "fsl,ls-pcie-ep",}, + { }, +}; + +static const struct pci_epc_features ls_pcie_epc_features = { + .linkup_notifier = false, + .msi_capable = true, + .msix_capable = false, +}; + +static const struct pci_epc_features* +ls_pcie_ep_get_features(struct dw_pcie_ep *ep) +{ + return &ls_pcie_epc_features; +} + +static void ls_pcie_ep_init(struct dw_pcie_ep *ep) +{ + struct dw_pcie *pci = to_dw_pcie_from_ep(ep); + struct pci_epc *epc = ep->epc; + enum pci_barno bar; + + for (bar = BAR_0; bar <= BAR_5; bar++) + dw_pcie_ep_reset_bar(pci, bar); +} + +static int ls_pcie_ep_raise_irq(struct dw_pcie_ep *ep, u8 func_no, + enum pci_epc_irq_type type, u16 interrupt_num) +{ + struct dw_pcie *pci = to_dw_pcie_from_ep(ep); + + switch (type) { + case PCI_EPC_IRQ_LEGACY: + return dw_pcie_ep_raise_legacy_irq(ep, func_no); + case PCI_EPC_IRQ_MSI: + return dw_pcie_ep_raise_msi_irq(ep, func_no, interrupt_num); + case PCI_EPC_IRQ_MSIX: + return dw_pcie_ep_raise_msix_irq(ep, func_no, interrupt_num); + default: + dev_err(pci->dev, "UNKNOWN IRQ type\n"); + return -EINVAL; + } +} + +static struct dw_pcie_ep_ops pcie_ep_ops = { + .ep_init = ls_pcie_ep_init, + .raise_irq = ls_pcie_ep_raise_irq, + .get_features = ls_pcie_ep_get_features, +}; + +static int __init ls_add_pcie_ep(struct ls_pcie_ep *pcie, + struct platform_device *pdev) +{ + struct dw_pcie *pci = pcie->pci; + struct device *dev = pci->dev; + struct dw_pcie_ep *ep; + struct resource *res; + int ret; + + ep = &pci->ep; + ep->ops = &pcie_ep_ops; + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "addr_space"); + if (!res) + return -EINVAL; + + ep->phys_base = res->start; + ep->addr_size = resource_size(res); + + ret = dw_pcie_ep_init(ep); + if (ret) { + dev_err(dev, "failed to initialize endpoint\n"); + return ret; + } + + return 0; +} + +static int __init ls_pcie_ep_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct dw_pcie *pci; + struct ls_pcie_ep *pcie; + struct resource *dbi_base; + int ret; + + pcie = devm_kzalloc(dev, sizeof(*pcie), GFP_KERNEL); + if (!pcie) + return -ENOMEM; + + pci = devm_kzalloc(dev, sizeof(*pci), GFP_KERNEL); + if (!pci) + return -ENOMEM; + + dbi_base = platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs"); + pci->dbi_base = devm_pci_remap_cfg_resource(dev, dbi_base); + if (IS_ERR(pci->dbi_base)) + return PTR_ERR(pci->dbi_base); + + pci->dbi_base2 = pci->dbi_base + PCIE_DBI2_OFFSET; + pci->dev = dev; + pci->ops = &ls_pcie_ep_ops; + pcie->pci = pci; + + platform_set_drvdata(pdev, pcie); + + ret = ls_add_pcie_ep(pcie, pdev); + + return ret; +} + +static struct platform_driver ls_pcie_ep_driver = { + .driver = { + .name = "layerscape-pcie-ep", + .of_match_table = ls_pcie_ep_of_match, + .suppress_bind_attrs = true, + }, +}; +builtin_platform_driver_probe(ls_pcie_ep_driver, ls_pcie_ep_probe); From patchwork Tue Jan 22 06:33:28 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaowei Bao X-Patchwork-Id: 10774929 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6D39713B5 for ; Tue, 22 Jan 2019 06:40:05 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6814129CF4 for ; Tue, 22 Jan 2019 06:39:59 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5B2222AD67; Tue, 22 Jan 2019 06:39:59 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 0D44A29CF4 for ; 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Tue, 22 Jan 2019 06:39:58 +0000 Received: from inva021.nxp.com ([92.121.34.21]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1glpiQ-0001jM-LB for linux-arm-kernel@lists.infradead.org; Tue, 22 Jan 2019 06:39:20 +0000 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 6453A20021F; Tue, 22 Jan 2019 07:39:17 +0100 (CET) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id D0349200211; Tue, 22 Jan 2019 07:39:07 +0100 (CET) Received: from titan.ap.freescale.net (TITAN.ap.freescale.net [10.192.208.233]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 137E5402FF; Tue, 22 Jan 2019 14:38:56 +0800 (SGT) From: Xiaowei Bao To: bhelgaas@google.com, robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, leoyang.li@nxp.com, kishon@ti.com, lorenzo.pieralisi@arm.com, arnd@arndb.de, gregkh@linuxfoundation.org, minghuan.Lian@nxp.com, mingkai.hu@nxp.com, roy.zang@nxp.com, kstewart@linuxfoundation.org, cyrille.pitchen@free-electrons.com, pombredanne@nexb.com, shawn.lin@rock-chips.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCHv6 4/4] misc: pci_endpoint_test: Add the layerscape EP device support Date: Tue, 22 Jan 2019 14:33:28 +0800 Message-Id: <20190122063328.25228-4-xiaowei.bao@nxp.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20190122063328.25228-1-xiaowei.bao@nxp.com> References: <20190122063328.25228-1-xiaowei.bao@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190121_223919_041438_CFAA9358 X-CRM114-Status: UNSURE ( 8.54 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Xiaowei Bao MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Add the layerscape EP device support in pci_endpoint_test driver. Signed-off-by: Xiaowei Bao Reviewed-by: Minghuan Lian Reviewed-by: Zhiqiang Hou Reviewed-by: Greg KH --- v2: - no change v3: - no change v4: - delate the comments. v5: - no change. v6: - no change. drivers/misc/pci_endpoint_test.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/misc/pci_endpoint_test.c b/drivers/misc/pci_endpoint_test.c index 896e2df..29582fe 100644 --- a/drivers/misc/pci_endpoint_test.c +++ b/drivers/misc/pci_endpoint_test.c @@ -788,6 +788,7 @@ static void pci_endpoint_test_remove(struct pci_dev *pdev) static const struct pci_device_id pci_endpoint_test_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_DRA74x) }, { PCI_DEVICE(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_DRA72x) }, + { PCI_DEVICE(PCI_VENDOR_ID_FREESCALE, 0x81c0) }, { PCI_DEVICE(PCI_VENDOR_ID_SYNOPSYS, 0xedda) }, { } };