From patchwork Tue Mar 26 02:45:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yoshihiro Shimoda X-Patchwork-Id: 13603296 X-Patchwork-Delegate: geert@linux-m68k.org Received: from relmlie5.idc.renesas.com (relmlor1.renesas.com [210.160.252.171]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 6043F128811; Tue, 26 Mar 2024 02:51:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.160.252.171 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711421472; cv=none; b=fGdjwDyEM1qAShmxeGQqVrGitjjYWBjvAPNty8Wg/uruPIuHDF3DNozdrMEFSkwbdUFlqUqrdcFI/HjdPFcigbcWXBoRWEPOZIrmKkkGtVbx5QMs8oL/80kUbNJwCrOb8kouGWmoZWT5JZJ9XJjHO9cXcQet5mjJ5eU2GOef5Ao= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711421472; c=relaxed/simple; bh=he+6NGrhJHI5YonJXCPkU2iB/F89fg/iVTKIZyLwyDs=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=AEfB/i1clOpZxOrPk21vhyIggvwTh8iZ4XLFJ1swm61QF/o1vdUo6fr6u8GgtSwv2OB6W7g/wv9/8euYy2Y1Zq2ID8UaSmJhZbdgaVdxCh3Ss37pyX9RIKYEcKZmqiZMwsf+jeF61D/RHjxYwJY+Re5xqOyXrII0C0H6avuw4Ss= 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=210.160.252.171 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="6.07,154,1708354800"; d="scan'208";a="199248031" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie5.idc.renesas.com with ESMTP; 26 Mar 2024 11:45:58 +0900 Received: from localhost.localdomain (unknown [10.166.13.99]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id E9E12415DFB8; Tue, 26 Mar 2024 11:45:57 +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, gustavo.pimentel@synopsys.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 Subject: [PATCH v2 3/6] PCI: dwc: Add PCIE_PORT_{FORCE,LANE_SKEW} macros Date: Tue, 26 Mar 2024 11:45:37 +0900 Message-Id: <20240326024540.2336155-4-yoshihiro.shimoda.uh@renesas.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240326024540.2336155-1-yoshihiro.shimoda.uh@renesas.com> References: <20240326024540.2336155-1-yoshihiro.shimoda.uh@renesas.com> Precedence: bulk X-Mailing-List: linux-renesas-soc@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 --- 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