From patchwork Mon Apr 15 08:11:31 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yoshihiro Shimoda X-Patchwork-Id: 1923628 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2604:1380:4601:e00::3; helo=am.mirrors.kernel.org; envelope-from=linux-pci+bounces-6238-incoming=patchwork.ozlabs.org@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from am.mirrors.kernel.org (am.mirrors.kernel.org [IPv6:2604:1380:4601:e00::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4VJ0JP6vJJz1yZ2 for ; Mon, 15 Apr 2024 18:12:05 +1000 (AEST) Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by am.mirrors.kernel.org (Postfix) with ESMTPS id BB51F1F246BF for ; Mon, 15 Apr 2024 08:12:02 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 563B3376E0; Mon, 15 Apr 2024 08:11:48 +0000 (UTC) X-Original-To: linux-pci@vger.kernel.org Received: from relmlie6.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 87DD72D05E; Mon, 15 Apr 2024 08:11:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.160.252.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713168708; cv=none; b=VkwyYWh4768Ryp0YDfpcFd1mr+yl+6IiGMKAF3zIUaXkaVAfz93+2XhfiPyS2B4K1m0sa/jy/U+xx6QXa324PMtnB0yPGhJ4N+eZyrjiC5n8nlCIkN6EVXgGOvBYKFLW0ITcEA03gT3SUM9W9T7/wamNw0E/27wUcnAYArQfv68= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713168708; c=relaxed/simple; bh=Wus5ztxg2Fes61KWp+gSdjO9QTU7mb8kYvG/fmzgTVc=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=mA6L+OWt+vkw7tDzY4KayDq+sYjVQ1Ywck0mYddiJIAW0FHspPS9C2hZGHNx6+6zNBf1WcEzN2q0hz6WMabWyLr4tsYqsj5/lodIL/qBFk3NXqq6Q0MP7eDebhtiNNTBtNhcydNBTZO6/++o4fH/67U1oXOvNImiPzZ+HC9wSUw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=renesas.com; spf=pass smtp.mailfrom=renesas.com; arc=none smtp.client-ip=210.160.252.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=renesas.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=renesas.com X-IronPort-AV: E=Sophos;i="6.07,202,1708354800"; d="scan'208";a="205421241" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie6.idc.renesas.com with ESMTP; 15 Apr 2024 17:11:41 +0900 Received: from localhost.localdomain (unknown [10.166.13.99]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id A4BDC400296C; Mon, 15 Apr 2024 17:11:41 +0900 (JST) From: Yoshihiro Shimoda To: lpieralisi@kernel.org, kw@linux.com, robh@kernel.org, bhelgaas@google.com, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, jingoohan1@gmail.com, mani@kernel.org Cc: marek.vasut+renesas@gmail.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Yoshihiro Shimoda , Manivannan Sadhasivam Subject: [PATCH v7 3/7] PCI: dwc: Add PCIE_PORT_{FORCE,LANE_SKEW} macros Date: Mon, 15 Apr 2024 17:11:31 +0900 Message-Id: <20240415081135.3814373-4-yoshihiro.shimoda.uh@renesas.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240415081135.3814373-1-yoshihiro.shimoda.uh@renesas.com> References: <20240415081135.3814373-1-yoshihiro.shimoda.uh@renesas.com> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 R-Car Gen4 PCIe controller needs to use the Synopsys-specific PCIe configuration registers. So, add the macros. Signed-off-by: Yoshihiro Shimoda Reviewed-by: Manivannan Sadhasivam --- drivers/pci/controller/dwc/pcie-designware.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h index 26dae4837462..aa4db6eaf02a 100644 --- a/drivers/pci/controller/dwc/pcie-designware.h +++ b/drivers/pci/controller/dwc/pcie-designware.h @@ -71,6 +71,9 @@ #define LINK_WAIT_IATU 9 /* Synopsys-specific PCIe configuration registers */ +#define PCIE_PORT_FORCE 0x708 +#define PORT_FORCE_DO_DESKEW_FOR_SRIS BIT(23) + #define PCIE_PORT_AFR 0x70C #define PORT_AFR_N_FTS_MASK GENMASK(15, 8) #define PORT_AFR_N_FTS(n) FIELD_PREP(PORT_AFR_N_FTS_MASK, n) @@ -92,6 +95,9 @@ #define PORT_LINK_MODE_4_LANES PORT_LINK_MODE(0x7) #define PORT_LINK_MODE_8_LANES PORT_LINK_MODE(0xf) +#define PCIE_PORT_LANE_SKEW 0x714 +#define PORT_LANE_SKEW_INSERT_MASK GENMASK(23, 0) + #define PCIE_PORT_DEBUG0 0x728 #define PORT_LOGIC_LTSSM_STATE_MASK 0x1f #define PORT_LOGIC_LTSSM_STATE_L0 0x11