From patchwork Tue Jan 24 03:52:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Souradeep Chowdhury X-Patchwork-Id: 13113400 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D509EC25B4E for ; Tue, 24 Jan 2023 03:53:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231803AbjAXDxw (ORCPT ); Mon, 23 Jan 2023 22:53:52 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34600 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231510AbjAXDxw (ORCPT ); Mon, 23 Jan 2023 22:53:52 -0500 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D0F031164D; Mon, 23 Jan 2023 19:53:50 -0800 (PST) Received: from pps.filterd (m0279870.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 30O3Wh8w025801; Tue, 24 Jan 2023 03:53:37 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : mime-version : content-type; s=qcppdkim1; bh=ohPhfVqIZ7sR/2JraqPEi4V7O9ZxNUcspAjodZyARxM=; b=JPbSI0OQb5QkJu/0O5IudO44ewYGeD3gLKw3iyv38ANpqNhwOuKAponypgcet+fP1JXm N+Z8TcqNP2GosaZH1pdn0/I0kaBNYRF6M9b/Am6ATnPuDEqfFEG3L2PqHAxyFcj1y7lp eIcb/yqJ3WZu7NhnPm0zpBH1Xj9Azg0gkBUuAJvdgQyha7InA5iOjl+dpxwCmKm6fyv1 i9QY/K2F8JT+q6VCZ8UZ45I1O0MNXLCwCRXrrgHJbF1UOtxtXdpROsaDrDbe9LrUah3V e51Rjvp8eiGMkgCP/45G5/c3Am+ESEI8m5bmRFU3az8NNO4n4Uj7GWXtdipdcCQfgCdI nw== Received: from nalasppmta02.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3n89pwcb1x-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 24 Jan 2023 03:53:37 +0000 Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 30O3raeK012381 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 24 Jan 2023 03:53:36 GMT Received: from blr-ubuntu-525.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.36; Mon, 23 Jan 2023 19:53:32 -0800 From: Souradeep Chowdhury To: Andy Gross , Konrad Dybcio , Bjorn Andersson , "Alex Elder" CC: , , , Sai Prakash Ranjan , Sibi Sankar , "Rajendra Nayak" , , Souradeep Chowdhury Subject: [PATCH V2 0/3] Add QAD, Cti-trigger and Bootconfig support for Data Capture and Compare(DCC) Date: Tue, 24 Jan 2023 09:22:34 +0530 Message-ID: X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: lt0WCMNsHpz2dvY9LvqILzSCgAAlziiR X-Proofpoint-GUID: lt0WCMNsHpz2dvY9LvqILzSCgAAlziiR X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.930,Hydra:6.0.562,FMLib:17.11.122.1 definitions=2023-01-23_12,2023-01-23_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 phishscore=0 clxscore=1011 impostorscore=0 suspectscore=0 bulkscore=0 adultscore=0 spamscore=0 mlxscore=0 mlxlogscore=998 lowpriorityscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2301240032 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org This patch adds the Bootconfig, QAD and CTI-Trigger support for DCC. 1.Bootconfig Bootconfig parser has been added to DCC driver so that the register addresses can be configured during boot-time. This is used to debug crashes that can happen during boot-time. The expected format of a bootconfig is as follows:- dcc_config { link_list_ { id = items =
, } } Example: dcc_config { link_list_6 { id = 6 items = R_0x1781005c_1_apb, R_0x1782005c_1_apb } link_list_5 { id = 5 items = R_0x1784005c_1_apb } } 2.QAD QAD can be enabled as a part of debugfs file under each individual list folder. QAD is used to specify the access control for DCC configurations, on enabling it the access control to dcc configuration space is restricted. On setting the QAD value, the list gets locked out for a particular component and cannot be used by the rest. 3.CTI-trigger CTI trigger is used to enable the Cross trigger interface for DCC. On enabling CTI trigger the dcc software trigger can be done by writing to CTI trig-out. Also the hwtrigger debugfs file is created which needs to be disabled for enabling CTI-trigger. Hwtrigger needs to be disabled for components to be able to write to CTI-trig-out. Souradeep Chowdhury (3): soc: qcom: dcc: Add bootconfig support for DCC soc: qcom: dcc: Add CTI-trigger support for DCC soc: qcom: dcc: Add QAD support for DCC Documentation/ABI/testing/debugfs-driver-dcc | 24 +++ drivers/soc/qcom/Kconfig | 1 + drivers/soc/qcom/dcc.c | 290 ++++++++++++++++++++++++++- 3 files changed, 308 insertions(+), 7 deletions(-) --- 2.7.4