From patchwork Mon Mar 6 23:12:00 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Melody Olvera X-Patchwork-Id: 659461 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 B3A4CC76186 for ; Mon, 6 Mar 2023 23:12:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230186AbjCFXMc (ORCPT ); Mon, 6 Mar 2023 18:12:32 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54320 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230157AbjCFXM3 (ORCPT ); Mon, 6 Mar 2023 18:12:29 -0500 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 15E7F6BDED; Mon, 6 Mar 2023 15:12:28 -0800 (PST) Received: from pps.filterd (m0279866.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 326M0Q1U011331; Mon, 6 Mar 2023 23:12:24 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-transfer-encoding : content-type; s=qcppdkim1; bh=bioW/gDMtzyPy8t6XnD7ivoEwoVwagFU1ZBUDiMg2Ro=; b=hGds6MkTmanbJJ1UZhjFQ115VuuCYmR+scqeuNcWC+KHiBZNyH/YpCKU5tUErgSMjghf 7+l8kBn/Hzq5rwG/2uXa+6RDE+4BqnL5wAkHVc583uo7kPyowWMKI7xC41pvmEtXWIpM R+FjkjfBz1emA1zo2loohjL0zcCZzpNnvKprXcFB8ADgCFtyUrjqx4IcD4veklOdHmTe a7HaPN3wIBbgl3XMhpEuaxZYpGKLX4iLtSb3rIKHbYhazRbG+6jwZp09PTN9m3ql5HOo FlNr/28F2oC5CJR26ZrWowyaoO1IJPvE4MSlhxRxH8S4O2EJz2Ox3D7e0GjSyNbcv2Qm Qw== Received: from nasanppmta04.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3p419169fw-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 06 Mar 2023 23:12:24 +0000 Received: from nasanex01b.na.qualcomm.com (nasanex01b.na.qualcomm.com [10.46.141.250]) by NASANPPMTA04.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 326NCN4j016431 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 6 Mar 2023 23:12:23 GMT Received: from hu-molvera-lv.qualcomm.com (10.49.16.6) by nasanex01b.na.qualcomm.com (10.46.141.250) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.41; Mon, 6 Mar 2023 15:12:23 -0800 From: Melody Olvera To: Andy Gross , Bjorn Andersson , Rob Herring , Krzysztof Kozlowski , Jassi Brar , Mathieu Poirier , Robert Marko , Guru Das Srinagesh CC: Konrad Dybcio , Manivannan Sadhasivam , Melody Olvera , , , , Subject: [PATCH v2 5/7] remoteproc: qcom: q6v5: Add support for q6 rmb registers Date: Mon, 6 Mar 2023 15:12:00 -0800 Message-ID: <20230306231202.12223-6-quic_molvera@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230306231202.12223-1-quic_molvera@quicinc.com> References: <20230306231202.12223-1-quic_molvera@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01a.na.qualcomm.com (10.47.209.196) To nasanex01b.na.qualcomm.com (10.46.141.250) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: axJPqk7BDoTW6-HvcF44iy4QkJD40j5s X-Proofpoint-GUID: axJPqk7BDoTW6-HvcF44iy4QkJD40j5s X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-03-06_14,2023-03-06_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 lowpriorityscore=0 malwarescore=0 priorityscore=1501 mlxlogscore=791 clxscore=1015 impostorscore=0 bulkscore=0 spamscore=0 phishscore=0 suspectscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2303060202 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org When attaching a running Q6, the remoteproc driver needs a way to communicate with the Q6 using rmb registers, so allow the rmb register to be gotten from the device tree if present. Signed-off-by: Melody Olvera --- drivers/remoteproc/qcom_q6v5.c | 9 +++++++++ drivers/remoteproc/qcom_q6v5.h | 8 ++++++++ 2 files changed, 17 insertions(+) diff --git a/drivers/remoteproc/qcom_q6v5.c b/drivers/remoteproc/qcom_q6v5.c index 192c7aa0e39e..e8c6be70ebfd 100644 --- a/drivers/remoteproc/qcom_q6v5.c +++ b/drivers/remoteproc/qcom_q6v5.c @@ -254,6 +254,7 @@ int qcom_q6v5_init(struct qcom_q6v5 *q6v5, struct platform_device *pdev, void (*handover)(struct qcom_q6v5 *q6v5)) { int ret; + struct resource *res; q6v5->rproc = rproc; q6v5->dev = &pdev->dev; @@ -263,6 +264,14 @@ int qcom_q6v5_init(struct qcom_q6v5 *q6v5, struct platform_device *pdev, init_completion(&q6v5->start_done); init_completion(&q6v5->stop_done); + res = platform_get_resource(pdev, IORESOURCE_MEM, 1); + if (res) { + q6v5->rmb_base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(q6v5->rmb_base)) + q6v5->rmb_base = NULL; + } else + q6v5->rmb_base = NULL; + q6v5->wdog_irq = platform_get_irq_byname(pdev, "wdog"); if (q6v5->wdog_irq < 0) return q6v5->wdog_irq; diff --git a/drivers/remoteproc/qcom_q6v5.h b/drivers/remoteproc/qcom_q6v5.h index 5a859c41896e..95824d5b64ce 100644 --- a/drivers/remoteproc/qcom_q6v5.h +++ b/drivers/remoteproc/qcom_q6v5.h @@ -7,6 +7,12 @@ #include #include +#define RMB_BOOT_WAIT_REG 0x8 +#define RMB_BOOT_CONT_REG 0xC +#define RMB_Q6_BOOT_STATUS_REG 0x10 + +#define RMB_POLL_MAX_TIMES 250 + struct icc_path; struct rproc; struct qcom_smem_state; @@ -16,6 +22,8 @@ struct qcom_q6v5 { struct device *dev; struct rproc *rproc; + void __iomem *rmb_base; + struct qcom_smem_state *state; struct qmp *qmp;