From patchwork Fri Nov 11 03:25:08 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bjorn Andersson X-Patchwork-Id: 13039560 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 6B3A9C4167D for ; Fri, 11 Nov 2022 03:25:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232671AbiKKDZi (ORCPT ); Thu, 10 Nov 2022 22:25:38 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57204 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230075AbiKKDZg (ORCPT ); Thu, 10 Nov 2022 22:25:36 -0500 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 71E3B5986F; Thu, 10 Nov 2022 19:25:35 -0800 (PST) Received: from pps.filterd (m0279862.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 2AB30IBR026295; Fri, 11 Nov 2022 03:25:23 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=qcppdkim1; bh=21gznBidJgOp+lY7dRKxNVqo8NnKeDXbJ2Zba5+03ws=; b=PZGU8EAE+VkTC6sUkd8K4u8Vwek7CsVZLxf0urTYKQ1u9OMdH5aV/5/dWCvGT+jqf04N Q1+o3nzyD05T51qqXDmonwVpk/l55CRdfVzStZqzaZO8/G1deauuzTnXp5UU3jzRpmiC sEbBW8l2wBRgc7R1Yvs8V10YcKeOYRbHBE53APq1/04MLx0Ny277A4dCuDiqRVh7SnU2 QFdxn8V38Z1Ay7sCPB/xlDeBND5xvJHhUK2GmWmYEku4vHGjvqerGqB3e6iIAqyeLnlT wAg9jAbwHf9t/LiD81kZmHtEKK11x4v6R9d0IO2gH3UfMxIzatO9wRi6W6czyoi7OvWo nQ== Received: from nalasppmta05.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3ksah3rfq2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 11 Nov 2022 03:25:23 +0000 Received: from nalasex01c.na.qualcomm.com (nalasex01c.na.qualcomm.com [10.47.97.35]) by NALASPPMTA05.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 2AB3PMfm014382 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 11 Nov 2022 03:25:22 GMT Received: from th-lint-050.qualcomm.com (10.80.80.8) by nalasex01c.na.qualcomm.com (10.47.97.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.29; Thu, 10 Nov 2022 19:25:22 -0800 From: Bjorn Andersson To: Georgi Djakov , Sibi Sankar CC: Krzysztof Kozlowski , Bjorn Andersson , Konrad Dybcio , "Rob Herring" , Mike Tipton , "Johan Hovold" , , , , Subject: [PATCH v2 03/10] interconnect: qcom: osm-l3: Add per-core EPSS L3 support Date: Thu, 10 Nov 2022 19:25:08 -0800 Message-ID: <20221111032515.3460-4-quic_bjorande@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20221111032515.3460-1-quic_bjorande@quicinc.com> References: <20221111032515.3460-1-quic_bjorande@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: w_XU5dY0tTApx7XTHDpBGyjJaJ3FLrA0 X-Proofpoint-ORIG-GUID: w_XU5dY0tTApx7XTHDpBGyjJaJ3FLrA0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.895,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-11-10_14,2022-11-09_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 mlxlogscore=999 suspectscore=0 impostorscore=0 priorityscore=1501 malwarescore=0 adultscore=0 clxscore=1015 mlxscore=0 spamscore=0 bulkscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2210170000 definitions=main-2211110021 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org The EPSS instance in e.g. SM8350 and SC8280XP has per-core L3 voting enabled. In this configuration, the "shared" vote is done using the REG_L3_VOTE register instead of PERF_STATE. Rename epss_l3 to clarify that it's affecting the PERF_STATE register and add a new L3_VOTE description. Given platform lineage it's assumed that the L3_VOTE-based case will be the predominant one, so use this for a new generic qcom,epss-l3 compatible. While adding the EPSS generic, also add qcom,osm-l3. Signed-off-by: Bjorn Andersson Tested-by: Steev Klimaszewski Reviewed-by: Sibi Sankar --- Changes since v1: - None drivers/interconnect/qcom/osm-l3.c | 17 ++++++++++++++--- 1 file changed, 14 insertions(+), 3 deletions(-) diff --git a/drivers/interconnect/qcom/osm-l3.c b/drivers/interconnect/qcom/osm-l3.c index 7d6844253241..469be732a00b 100644 --- a/drivers/interconnect/qcom/osm-l3.c +++ b/drivers/interconnect/qcom/osm-l3.c @@ -34,6 +34,7 @@ /* EPSS Register offsets */ #define EPSS_LUT_ROW_SIZE 4 +#define EPSS_REG_L3_VOTE 0x90 #define EPSS_REG_FREQ_LUT 0x100 #define EPSS_REG_PERF_STATE 0x320 @@ -112,7 +113,7 @@ static const struct qcom_osm_l3_desc osm_l3 = { .reg_perf_state = OSM_REG_PERF_STATE, }; -static const struct qcom_osm_l3_desc epss_l3 = { +static const struct qcom_osm_l3_desc epss_l3_perf_state = { .nodes = epss_l3_nodes, .num_nodes = ARRAY_SIZE(epss_l3_nodes), .lut_row_size = EPSS_LUT_ROW_SIZE, @@ -120,6 +121,14 @@ static const struct qcom_osm_l3_desc epss_l3 = { .reg_perf_state = EPSS_REG_PERF_STATE, }; +static const struct qcom_osm_l3_desc epss_l3_l3_vote = { + .nodes = epss_l3_nodes, + .num_nodes = ARRAY_SIZE(epss_l3_nodes), + .lut_row_size = EPSS_LUT_ROW_SIZE, + .reg_freq_lut = EPSS_REG_FREQ_LUT, + .reg_perf_state = EPSS_REG_L3_VOTE, +}; + static int qcom_osm_l3_set(struct icc_node *src, struct icc_node *dst) { struct qcom_osm_l3_icc_provider *qp; @@ -285,12 +294,14 @@ static int qcom_osm_l3_probe(struct platform_device *pdev) } static const struct of_device_id osm_l3_of_match[] = { + { .compatible = "qcom,epss-l3", .data = &epss_l3_l3_vote }, + { .compatible = "qcom,osm-l3", .data = &osm_l3 }, { .compatible = "qcom,sc7180-osm-l3", .data = &osm_l3 }, - { .compatible = "qcom,sc7280-epss-l3", .data = &epss_l3 }, + { .compatible = "qcom,sc7280-epss-l3", .data = &epss_l3_perf_state }, { .compatible = "qcom,sdm845-osm-l3", .data = &osm_l3 }, { .compatible = "qcom,sm8150-osm-l3", .data = &osm_l3 }, { .compatible = "qcom,sc8180x-osm-l3", .data = &osm_l3 }, - { .compatible = "qcom,sm8250-epss-l3", .data = &epss_l3 }, + { .compatible = "qcom,sm8250-epss-l3", .data = &epss_l3_perf_state }, { } }; MODULE_DEVICE_TABLE(of, osm_l3_of_match);