From patchwork Tue Apr 23 09:28:18 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manikanta Maddireddy X-Patchwork-Id: 1089263 X-Patchwork-Delegate: lorenzo.pieralisi@arm.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-pci-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=nvidia.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=nvidia.com header.i=@nvidia.com header.b="qKwboEOT"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 44pJ8s5Lc2z9sNf for ; Tue, 23 Apr 2019 19:30:53 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726790AbfDWJaw (ORCPT ); Tue, 23 Apr 2019 05:30:52 -0400 Received: from hqemgate16.nvidia.com ([216.228.121.65]:7708 "EHLO hqemgate16.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726304AbfDWJav (ORCPT ); Tue, 23 Apr 2019 05:30:51 -0400 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate16.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Tue, 23 Apr 2019 02:30:48 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Tue, 23 Apr 2019 02:30:51 -0700 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Tue, 23 Apr 2019 02:30:51 -0700 Received: from HQMAIL110.nvidia.com (172.18.146.15) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 23 Apr 2019 09:30:50 +0000 Received: from HQMAIL103.nvidia.com (172.20.187.11) by hqmail110.nvidia.com (172.18.146.15) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 23 Apr 2019 09:29:58 +0000 Received: from manikanta-bm2.nvidia.com (172.20.13.39) by HQMAIL.nvidia.com (172.20.187.11) with Microsoft SMTP Server id 15.0.1473.3 via Frontend Transport; Tue, 23 Apr 2019 09:29:55 +0000 From: Manikanta Maddireddy To: , , , , , , CC: , , , Manikanta Maddireddy Subject: [PATCH V2 21/28] PCI: tegra: Add AFI_PEX2_CTRL reg offset as part of soc struct Date: Tue, 23 Apr 2019 14:58:18 +0530 Message-ID: <20190423092825.759-22-mmaddireddy@nvidia.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190423092825.759-1-mmaddireddy@nvidia.com> References: <20190423092825.759-1-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=1556011848; bh=ju18WHw3xVsg/30QzNuX+mWoHrUqOjZ/soNF2NO1yeo=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:X-NVConfidentiality:MIME-Version: Content-Type; b=qKwboEOTjNLka7bXfqlj4FtLJL1w1njeetKu9J+czS/l+UB52DMPqTS8hFemap2LF Nh+kqnz+PSENu9T4TIAz340xkBBxokMww+d+WpDHZHqyTMiu8RVOm34MnQZIw7/4E8 N8VdqdbqacR/rOHHOJEpjKko/n6DVggwV92UBftZRFYV5IBXCxwOON/bnfwKE9K3fl Q+8jHwenw/Ha+65qU55u63FFixKXHym2/ohDwVeDeav5Hm+i27wyCq2nSblK2Uh5Y2 5+aSRjCEByieE71L/xc7BffBc9QSjQDTUWmVx3c43SU5uKIz4OTB7wBumsFguXMZrT tZ33eCqZDoafA== Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org 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 --- 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 edc6a0f27397..8ba71e314b1b 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; } @@ -2432,6 +2433,7 @@ 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, @@ -2545,6 +2547,7 @@ 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,