From patchwork Mon May 13 18:07:36 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manikanta Maddireddy X-Patchwork-Id: 10941501 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 024BE933 for ; Mon, 13 May 2019 18:09:20 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E9B4E283A8 for ; Mon, 13 May 2019 18:09:19 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DB642283C9; Mon, 13 May 2019 18:09:19 +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=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 84719283A8 for ; Mon, 13 May 2019 18:09:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732327AbfEMSJT (ORCPT ); Mon, 13 May 2019 14:09:19 -0400 Received: from hqemgate14.nvidia.com ([216.228.121.143]:18150 "EHLO hqemgate14.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732296AbfEMSJS (ORCPT ); Mon, 13 May 2019 14:09:18 -0400 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate14.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Mon, 13 May 2019 11:09:24 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Mon, 13 May 2019 11:09:17 -0700 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Mon, 13 May 2019 11:09:17 -0700 Received: from HQMAIL111.nvidia.com (172.20.187.18) by HQMAIL106.nvidia.com (172.18.146.12) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Mon, 13 May 2019 18:09:17 +0000 Received: from HQMAIL107.nvidia.com (172.20.187.13) by HQMAIL111.nvidia.com (172.20.187.18) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Mon, 13 May 2019 18:09:17 +0000 Received: from manikanta-bm2.nvidia.com (172.20.13.39) by HQMAIL.nvidia.com (172.20.187.13) with Microsoft SMTP Server id 15.0.1473.3 via Frontend Transport; Mon, 13 May 2019 18:09:13 +0000 From: Manikanta Maddireddy To: , , , , , , CC: , , , Manikanta Maddireddy Subject: [PATCH V3 21/29] PCI: tegra: Add AFI_PEX2_CTRL reg offset as part of soc struct Date: Mon, 13 May 2019 23:37:36 +0530 Message-ID: <20190513180744.16493-22-mmaddireddy@nvidia.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190513180744.16493-1-mmaddireddy@nvidia.com> References: <20190513180744.16493-1-mmaddireddy@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1557770964; bh=cdRhgBE4P44ABJoi6ClkYc+pZNdPwwPQiKRPehy/oVc=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:X-NVConfidentiality:MIME-Version: Content-Type; b=hOixEYXmScLBOGXYLqkRtXqItTj87HY3fJOJ5XU5Hip8q201Kdm7UROWL9ucIyJAV 7LieHB5E4SuUbQL9cGEMm0DE3zb/gfGCqf7erZYI27MqVMLDqmQ8C0SIQx6cloNgQB Yy/7YHlJQN6rWLqBcYD1RJsK29pMvhwfy44qOADqrcgSNfTarwLhoh0nc9dD1/4UqW IR8GuFjnFmriYkukX40i2qch4AXTNyHQ15ouqt7D7ZQWc2I+8DuYVBCqO6nxYm1JeI iAVhxZ3EYhw2UhaT3W4k2mh9Ghzzi7+XfvvTocWE27ygXZPMfWFmQMzi8C25EjfKNd GQON9b6nrJw1A== Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Tegra186 and Tegra30 have three PCIe root ports. AFI_PEX2_CTRL register is defined for third root port. Offset of this register in Tegra186 is different from Tegra30, so add offset as part of soc data structure. Signed-off-by: Manikanta Maddireddy Acked-by: Thierry Reding --- V3: No change V2: No change drivers/pci/controller/pci-tegra.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/pci/controller/pci-tegra.c b/drivers/pci/controller/pci-tegra.c index 0024bc42b400..d20c88a79e00 100644 --- a/drivers/pci/controller/pci-tegra.c +++ b/drivers/pci/controller/pci-tegra.c @@ -169,7 +169,6 @@ #define AFI_PEX0_CTRL 0x110 #define AFI_PEX1_CTRL 0x118 -#define AFI_PEX2_CTRL 0x128 #define AFI_PEX_CTRL_RST (1 << 0) #define AFI_PEX_CTRL_CLKREQ_EN (1 << 1) #define AFI_PEX_CTRL_REFCLK_EN (1 << 3) @@ -308,6 +307,7 @@ struct tegra_pcie_soc { unsigned int num_ports; const struct tegra_pcie_port_soc *ports; unsigned int msi_base_shift; + unsigned long afi_pex2_ctrl; u32 pads_pll_ctl; u32 tx_ref_sel; u32 pads_refclk_cfg0; @@ -518,6 +518,7 @@ static struct pci_ops tegra_pcie_ops = { static unsigned long tegra_pcie_port_get_pex_ctrl(struct tegra_pcie_port *port) { + const struct tegra_pcie_soc *soc = port->pcie->soc; unsigned long ret = 0; switch (port->index) { @@ -530,7 +531,7 @@ static unsigned long tegra_pcie_port_get_pex_ctrl(struct tegra_pcie_port *port) break; case 2: - ret = AFI_PEX2_CTRL; + ret = soc->afi_pex2_ctrl; break; } @@ -2431,6 +2432,7 @@ static const struct tegra_pcie_soc tegra20_pcie = { .num_ports = 2, .ports = tegra20_pcie_ports, .msi_base_shift = 0, + .afi_pex2_ctrl = 0x128, .pads_pll_ctl = PADS_PLL_CTL_TEGRA20, .tx_ref_sel = PADS_PLL_CTL_TXCLKREF_DIV10, .pads_refclk_cfg0 = 0xfa5cfa5c, @@ -2548,6 +2550,7 @@ static const struct tegra_pcie_soc tegra186_pcie = { .num_ports = 3, .ports = tegra186_pcie_ports, .msi_base_shift = 8, + .afi_pex2_ctrl = 0x19c, .pads_pll_ctl = PADS_PLL_CTL_TEGRA30, .tx_ref_sel = PADS_PLL_CTL_TXCLKREF_BUF_EN, .pads_refclk_cfg0 = 0x80b880b8,