From patchwork Sun May 21 22:28:47 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manikanta Mylavarapu X-Patchwork-Id: 13249636 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 50448C77B7C for ; Sun, 21 May 2023 22:30:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231372AbjEUWav (ORCPT ); Sun, 21 May 2023 18:30:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40896 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231374AbjEUWat (ORCPT ); Sun, 21 May 2023 18:30:49 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ED71B106; Sun, 21 May 2023 15:30:33 -0700 (PDT) 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 34LMMJ4m023140; Sun, 21 May 2023 22:30:15 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=wnTfdqfN1wkN74stgMXwZ2w/Xvja+10t8dNRWHknvn0=; b=CVSZusGKaLFonT6LLR2tno/ytWxeJKAEgsZWtEP5GbttIQ5R0w1tKdzCwwk0G/dyXhOG eJFnGh+U7AlQ9LZRZwtB83lgecx88VU7Jusu6IQupmeDflFkjuYLFYzm/qerUMmktF4S xJxTddcEgaag4JxL71oRZf0L0U3zRaoKz+LKZ83FxGYIVfLBliTTTKKvzcLSYRrpcgT2 Mm9ct/z6X43RB+JsoJ2OUN0wsUcjg1qxCc8FutXvhZgrEC0CmVp3mgIghhaZPKbpZ7JE ejv4xYPI+P1ATlrM48p9X0QZzac9x/nVtHtWs9aKZXtAlVizyxPkblv0x7VqsFca4IeA ng== Received: from nalasppmta02.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3qpqgf26f4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sun, 21 May 2023 22:30:15 +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 34LMUFOA000953 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sun, 21 May 2023 22:30:15 GMT Received: from mmanikan-linux.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 15.2.986.42; Sun, 21 May 2023 15:30:07 -0700 From: Manikanta Mylavarapu To: , , , , , , , , , , , , , , , , , , , CC: , , , , , , Subject: [PATCH V2 08/13] firmware: qcom_scm: ipq5018: Add WCSS AHB pd support Date: Mon, 22 May 2023 03:58:47 +0530 Message-ID: <20230521222852.5740-9-quic_mmanikan@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230521222852.5740-1-quic_mmanikan@quicinc.com> References: <20230521222852.5740-1-quic_mmanikan@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) 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: _Y6t_qYZjboKxdPhmdHXt2gNOWXIidGy X-Proofpoint-GUID: _Y6t_qYZjboKxdPhmdHXt2gNOWXIidGy X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-05-21_17,2023-05-17_02,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 clxscore=1015 suspectscore=0 malwarescore=0 priorityscore=1501 impostorscore=0 phishscore=0 mlxscore=0 bulkscore=0 mlxlogscore=999 lowpriorityscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2304280000 definitions=main-2305210203 Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Add support to power up, down & load userpd firmware. Signed-off-by: Manikanta Mylavarapu --- Changes in V2: - This patch is generated by Strip off SCM code changes from here https://lore.kernel.org/linux-arm-msm/1678164097-13247-9-git-send-email-quic_mmanikan@quicinc.com/ drivers/firmware/qcom_scm.c | 114 +++++++++++++++++++++++++ drivers/firmware/qcom_scm.h | 6 ++ include/linux/firmware/qcom/qcom_scm.h | 3 + 3 files changed, 123 insertions(+) -- 2.17.1 diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c index fde33acd46b7..c617e9e671ec 100644 --- a/drivers/firmware/qcom_scm.c +++ b/drivers/firmware/qcom_scm.c @@ -643,6 +643,120 @@ int qcom_scm_pas_shutdown(u32 peripheral) } EXPORT_SYMBOL(qcom_scm_pas_shutdown); +/** + * qti_scm_int_radio_powerup - Bring up WCSS AHB userpd + * + * @peripheral: peripheral id + * + * Return 0 on success. + */ +int qti_scm_int_radio_powerup(u32 peripheral) +{ + int ret; + struct qcom_scm_desc desc = { + .svc = QCOM_SCM_PD_LOAD_SVC_ID, + .cmd = QCOM_SCM_INT_RAD_PWR_UP_CMD_ID, + .arginfo = QCOM_SCM_ARGS(1), + .args[0] = peripheral, + .owner = ARM_SMCCC_OWNER_SIP, + }; + struct qcom_scm_res res; + + ret = qcom_scm_clk_enable(); + if (ret) + return ret; + + ret = qcom_scm_bw_enable(); + if (ret) + return ret; + + ret = qcom_scm_call(__scm->dev, &desc, &res); + qcom_scm_bw_disable(); + qcom_scm_clk_disable(); + + return ret ? : res.result[0]; +} +EXPORT_SYMBOL(qti_scm_int_radio_powerup); + +/** + * qti_scm_int_radio_powerdown() - Shut down WCSS AHB userpd + * + * @peripheral: peripheral id + * + * Returns 0 on success. + */ +int qti_scm_int_radio_powerdown(u32 peripheral) +{ + int ret; + struct qcom_scm_desc desc = { + .svc = QCOM_SCM_PD_LOAD_SVC_ID, + .cmd = QCOM_SCM_INT_RAD_PWR_DN_CMD_ID, + .arginfo = QCOM_SCM_ARGS(1), + .args[0] = peripheral, + .owner = ARM_SMCCC_OWNER_SIP, + }; + struct qcom_scm_res res; + + ret = qcom_scm_clk_enable(); + if (ret) + return ret; + + ret = qcom_scm_bw_enable(); + if (ret) + return ret; + + ret = qcom_scm_call(__scm->dev, &desc, &res); + qcom_scm_bw_disable(); + qcom_scm_clk_disable(); + + return ret ? : res.result[0]; +} +EXPORT_SYMBOL(qti_scm_int_radio_powerdown); + +/** + * qti_scm_pdseg_memcpy_v2() - copy userpd PIL segments data to dma blocks + * + * @peripheral: peripheral id + * @phno: program header no + * @dma: handle of dma region + * @seg_cnt: no of dma blocks + * + * Returns 0 if trustzone successfully loads userpd PIL segments from dma + * blocks to DDR + */ +int qti_scm_pdseg_memcpy_v2(u32 peripheral, int phno, dma_addr_t dma, + int seg_cnt) +{ + int ret; + struct qcom_scm_desc desc = { + .svc = QCOM_SCM_PD_LOAD_SVC_ID, + .cmd = QCOM_SCM_PD_LOAD_V2_CMD_ID, + .arginfo = QCOM_SCM_ARGS(4, QCOM_SCM_VAL, QCOM_SCM_VAL, + QCOM_SCM_RW, QCOM_SCM_VAL), + .args[0] = peripheral, + .args[1] = phno, + .args[2] = dma, + .args[3] = seg_cnt, + .owner = ARM_SMCCC_OWNER_SIP, + }; + struct qcom_scm_res res; + + ret = qcom_scm_clk_enable(); + if (ret) + return ret; + + ret = qcom_scm_bw_enable(); + if (ret) + return ret; + + ret = qcom_scm_call(__scm->dev, &desc, &res); + qcom_scm_bw_disable(); + qcom_scm_clk_disable(); + + return ret ? : res.result[0]; +} +EXPORT_SYMBOL(qti_scm_pdseg_memcpy_v2); + /** * qcom_scm_pas_supported() - Check if the peripheral authentication service is * available for the given peripherial diff --git a/drivers/firmware/qcom_scm.h b/drivers/firmware/qcom_scm.h index e6e512bd57d1..99e3ab2f1986 100644 --- a/drivers/firmware/qcom_scm.h +++ b/drivers/firmware/qcom_scm.h @@ -132,6 +132,12 @@ extern int scm_legacy_call(struct device *dev, const struct qcom_scm_desc *desc, #define QCOM_SCM_SMMU_CONFIG_ERRATA1 0x03 #define QCOM_SCM_SMMU_CONFIG_ERRATA1_CLIENT_ALL 0x02 +#define QCOM_SCM_PD_LOAD_SVC_ID 0x2 +#define QCOM_SCM_PD_LOAD_CMD_ID 0x16 +#define QCOM_SCM_PD_LOAD_V2_CMD_ID 0x19 +#define QCOM_SCM_INT_RAD_PWR_UP_CMD_ID 0x17 +#define QCOM_SCM_INT_RAD_PWR_DN_CMD_ID 0x18 + #define QCOM_SCM_SVC_WAITQ 0x24 #define QCOM_SCM_WAITQ_RESUME 0x02 #define QCOM_SCM_WAITQ_GET_WQ_CTX 0x03 diff --git a/include/linux/firmware/qcom/qcom_scm.h b/include/linux/firmware/qcom/qcom_scm.h index 250ea4efb7cb..488d6eccb5a4 100644 --- a/include/linux/firmware/qcom/qcom_scm.h +++ b/include/linux/firmware/qcom/qcom_scm.h @@ -81,6 +81,9 @@ extern int qcom_scm_pas_mem_setup(u32 peripheral, phys_addr_t addr, extern int qcom_scm_pas_auth_and_reset(u32 peripheral); extern int qcom_scm_pas_shutdown(u32 peripheral); extern bool qcom_scm_pas_supported(u32 peripheral); +int qti_scm_int_radio_powerup(u32 peripheral); +int qti_scm_int_radio_powerdown(u32 peripheral); +int qti_scm_pdseg_memcpy_v2(u32 peripheral, int phno, dma_addr_t dma, int seg_cnt); extern int qcom_scm_io_readl(phys_addr_t addr, unsigned int *val); extern int qcom_scm_io_writel(phys_addr_t addr, unsigned int val);