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Fri, 07 Feb 2025 18:21:34 +0000 (GMT) Received: from nasanex01a.na.qualcomm.com (nasanex01a.na.qualcomm.com [10.52.223.231]) by NASANPPMTA04.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 517ILXDi023451 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 7 Feb 2025 18:21:33 GMT Received: from [10.110.91.228] (10.80.80.8) by nasanex01a.na.qualcomm.com (10.52.223.231) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Fri, 7 Feb 2025 10:21:32 -0800 Message-ID: <67919001-1cb7-4e9b-9992-5b3dd9b03406@quicinc.com> Date: Fri, 7 Feb 2025 10:21:25 -0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net-next v6 0/5] net: stmmac: Add PCI driver support for BCM8958x To: Jitendra Vegiraju , CC: , , , , , , , , , , , , , , , , , , , , , , , , , , References: <20241018205332.525595-1-jitendra.vegiraju@broadcom.com> Content-Language: en-US From: "Abhishek Chauhan (ABC)" In-Reply-To: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nasanex01a.na.qualcomm.com (10.52.223.231) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: OOmFY7SmVHmL41lJG0u5sLFBwJ4eloTj X-Proofpoint-GUID: OOmFY7SmVHmL41lJG0u5sLFBwJ4eloTj X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1057,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-02-07_08,2025-02-07_03,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 impostorscore=0 bulkscore=0 mlxscore=0 lowpriorityscore=0 priorityscore=1501 phishscore=0 suspectscore=0 clxscore=1011 mlxlogscore=832 spamscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2501170000 definitions=main-2502070137 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250207_102417_508377_F149136F X-CRM114-Status: GOOD ( 18.61 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 11/5/2024 8:12 AM, Jitendra Vegiraju wrote: > Hi netdev team, > > On Fri, Oct 18, 2024 at 1:53 PM wrote: >> >> From: Jitendra Vegiraju >> >> This patchset adds basic PCI ethernet device driver support for Broadcom >> BCM8958x Automotive Ethernet switch SoC devices. >> >> This SoC device has PCIe ethernet MAC attached to an integrated ethernet >> switch using XGMII interface. The PCIe ethernet controller is presented to >> the Linux host as PCI network device. >> >> The following block diagram gives an overview of the application. >> +=================================+ >> | Host CPU/Linux | >> +=================================+ >> || PCIe >> || >> +==========================================+ >> | +--------------+ | >> | | PCIE Endpoint| | >> | | Ethernet | | >> | | Controller | | >> | | DMA | | >> | +--------------+ | >> | | MAC | BCM8958X | >> | +--------------+ SoC | >> | || XGMII | >> | || | >> | +--------------+ | >> | | Ethernet | | >> | | switch | | >> | +--------------+ | >> | || || || || | >> +==========================================+ >> || || || || More external interfaces >> >> The MAC block on BCM8958x is based on Synopsis XGMAC 4.00a core. This >> MAC IP introduces new DMA architecture called Hyper-DMA for virtualization >> scalability. >> >> Driver functionality specific to new MAC (DW25GMAC) is implemented in >> new file dw25gmac.c. >> >> Management of integrated ethernet switch on this SoC is not handled by >> the PCIe interface. >> This SoC device has PCIe ethernet MAC directly attached to an integrated >> ethernet switch using XGMII interface. >> >> v5->v6: >> Change summary to address comments/suggestions by Serge Semin. >> Patch1: >> Removed the comlexity of hdma mapping in previous patch series and >> use static DMA mapping. >> Renamed plat_stmmacenet_data::snps_dev_id as dev_id and moved to >> the beginning of the struct. >> Patch2: >> Added dw25gmac_get_hw_feature() for dw25gmac. >> Use static one-to-one VDMA-TC-PDMA mapping. >> Patch4: >> Remove usage of plat_stmmacenet_data::msi_*_vec variables for >> interrupt vector initialization. >> Change phy_interface type to XGMII. >> Cleanup unused macros. >> > > I would like to seek your guidance on how to take this patch series forward. > Thanks to your feedback and Serge's suggestions, we made some forward > progress on this patch series. > Please make any suggestions to enable us to upstream driver support > for BCM8958x. Jitendra, Have we resent this patch or got it approved ? I dont see any updates after this patch. > Thanks, > Jitendra