From patchwork Fri Jul 28 02:39:51 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tinghan Shen X-Patchwork-Id: 13331072 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EAD11C04A6A for ; Fri, 28 Jul 2023 02:40:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=hZGa8Tzsw43uYnLXji8VkrgvYZGbPyGs8msbIZoLA3w=; b=CSTnjT1+YLMyNY EqFPDANHzl9OzIE1ynDwUjtwp5/rmBRcqf8IkIvmHSSr8jRDL5p1BD9Bim5xcTHlNa3sVdOgv3KC0 Kwfky9u5XENRNGt86G0vBA0XzMEVt2EEU5E2CmjWtMb6tGEOLqB7PszLaORPHPxuOCcyQ0BsCbOIQ 4iLivXmjdxg09iS4RQtSvQ0PcOLWvWLKiJUDHZjlgaKi3fSEVMr9UoKpWXbCwFuriZkXMV2s/YVbC rao+4zxkPmvLASQ/SW3wjn8SdHiST4Ht1qe58pRtF3rHvGfgsoO+nLxF4m/Ga5/qTJwfl3j39v7Aq +HL3PCXl+K4CoWrfwoYg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qPDPA-001KIZ-0B; Fri, 28 Jul 2023 02:40:36 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qPDOm-001KA3-1u; Fri, 28 Jul 2023 02:40:15 +0000 X-UUID: 0f0865ee2cf011ee912e1518a6540028-20230727 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=3pZFqE2y9D9PRaM6rQ4fkTK3Ruxj+t8ui38IWeqFk8Y=; b=FGv61PCu9JAI3s4l3Y2kWtXjoq1U/lUAGSIdwRhgZB2ubgijTurNAt8nvmRoj9WBPizvtezm98KppPkmYFfaIfqGcUtk7xqMwzg2EufBD8SjkSQekD7R/luvS55lXsYRjk2bcrmKnsHWCNMNgGfgYxaym8JIctEN9NSS9Qy3vX8=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.30,REQID:661e0bec-dc2d-4506-a7df-d80c159cc32d,IP:0,U RL:0,TC:0,Content:-5,EDM:0,RT:0,SF:95,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:90 X-CID-INFO: VERSION:1.1.30,REQID:661e0bec-dc2d-4506-a7df-d80c159cc32d,IP:0,URL :0,TC:0,Content:-5,EDM:0,RT:0,SF:95,FILE:0,BULK:0,RULE:Spam_GS981B3D,ACTIO N:quarantine,TS:90 X-CID-META: VersionHash:1fcc6f8,CLOUDID:0b769ea0-0933-4333-8d4f-6c3c53ebd55b,B ulkID:230728104007O7TMST7I,BulkQuantity:0,Recheck:0,SF:38|29|28|17|19|48,T C:nil,Content:0,EDM:-3,IP:nil,URL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0 ,OSI:0,OSA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SDM,TF_CID_SPAM_ASC,TF_CID_SPAM_FAS,TF_CID_SPAM_FSD, TF_CID_SPAM_SNR X-UUID: 0f0865ee2cf011ee912e1518a6540028-20230727 Received: from mtkmbs14n2.mediatek.inc [(172.21.101.76)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 286164391; Thu, 27 Jul 2023 19:40:05 -0700 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs11n1.mediatek.inc (172.21.101.185) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Fri, 28 Jul 2023 10:40:01 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Fri, 28 Jul 2023 10:40:01 +0800 From: Tinghan Shen To: Bjorn Andersson , Mathieu Poirier , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Tinghan Shen CC: , , , , , Subject: [PATCH v16 06/14] remoteproc: mediatek: Revise SCP rproc initialization flow for multi-core SCP Date: Fri, 28 Jul 2023 10:39:51 +0800 Message-ID: <20230728023959.12293-7-tinghan.shen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230728023959.12293-1-tinghan.shen@mediatek.com> References: <20230728023959.12293-1-tinghan.shen@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230727_194012_633748_B3C36821 X-CRM114-Status: GOOD ( 17.83 ) 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 This is the 2nd preliminary step for probing multi-core SCP. Initialization of configuration and L1TCM registers is extracted to only performed once on multi-core SCP. The rest of remoteproc initialization procedure is similar for both single and multi-core SCP and is applied to each core. Signed-off-by: Tinghan Shen --- drivers/remoteproc/mtk_scp.c | 63 ++++++++++++++++++++++-------------- 1 file changed, 39 insertions(+), 24 deletions(-) diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c index f88e60e4bc21..7a2ba1e1e95a 100644 --- a/drivers/remoteproc/mtk_scp.c +++ b/drivers/remoteproc/mtk_scp.c @@ -854,21 +854,17 @@ static void scp_remove_rpmsg_subdev(struct mtk_scp *scp) } } -static int scp_probe(struct platform_device *pdev) +static int scp_rproc_init(struct platform_device *pdev, + struct mtk_scp_of_cluster *scp_cluster) { struct device *dev = &pdev->dev; struct device_node *np = dev->of_node; struct mtk_scp *scp; - struct mtk_scp_of_cluster *scp_cluster; struct rproc *rproc; struct resource *res; const char *fw_name = "scp.img"; int ret, i; - scp_cluster = devm_kzalloc(dev, sizeof(*scp_cluster), GFP_KERNEL); - if (!scp_cluster) - return -ENOMEM; - ret = rproc_of_parse_firmware(dev, 0, &fw_name); if (ret < 0 && ret != -EINVAL) return ret; @@ -893,24 +889,6 @@ static int scp_probe(struct platform_device *pdev) scp->sram_size = resource_size(res); scp->sram_phys = res->start; - /* l1tcm is an optional memory region */ - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "l1tcm"); - scp->cluster->l1tcm_base = devm_ioremap_resource(dev, res); - if (IS_ERR(scp->cluster->l1tcm_base)) { - ret = PTR_ERR(scp->cluster->l1tcm_base); - if (ret != -EINVAL) { - return dev_err_probe(dev, ret, "Failed to map l1tcm memory\n"); - } - } else { - scp->cluster->l1tcm_size = resource_size(res); - scp->cluster->l1tcm_phys = res->start; - } - - scp->cluster->reg_base = devm_platform_ioremap_resource_byname(pdev, "cfg"); - if (IS_ERR(scp->cluster->reg_base)) - return dev_err_probe(dev, PTR_ERR(scp->cluster->reg_base), - "Failed to parse and map cfg memory\n"); - ret = scp->data->scp_clk_get(scp); if (ret) return ret; @@ -962,6 +940,43 @@ static int scp_probe(struct platform_device *pdev) return ret; } +static int scp_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct mtk_scp_of_cluster *scp_cluster; + struct resource *res; + int ret; + + scp_cluster = devm_kzalloc(dev, sizeof(*scp_cluster), GFP_KERNEL); + if (!scp_cluster) + return -ENOMEM; + + scp_cluster->reg_base = devm_platform_ioremap_resource_byname(pdev, "cfg"); + if (IS_ERR(scp_cluster->reg_base)) + return dev_err_probe(dev, PTR_ERR(scp_cluster->reg_base), + "Failed to parse and map cfg memory\n"); + + /* l1tcm is an optional memory region */ + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "l1tcm"); + scp_cluster->l1tcm_base = devm_ioremap_resource(dev, res); + if (IS_ERR(scp_cluster->l1tcm_base)) { + ret = PTR_ERR(scp_cluster->l1tcm_base); + if (ret != -EINVAL) + return dev_err_probe(dev, ret, "Failed to map l1tcm memory\n"); + + scp_cluster->l1tcm_base = NULL; + } else { + scp_cluster->l1tcm_size = resource_size(res); + scp_cluster->l1tcm_phys = res->start; + } + + ret = scp_rproc_init(pdev, scp_cluster); + if (ret) + return ret; + + return 0; +} + static void scp_remove(struct platform_device *pdev) { struct mtk_scp *scp = platform_get_drvdata(pdev);