From patchwork Fri Sep 30 09:59:13 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yongqiang Niu X-Patchwork-Id: 12995226 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 3492EC433FE for ; Fri, 30 Sep 2022 10:30:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding: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=OPkDtzEKMc44Gee321IZuVadohuiA7avmD+GueB2S78=; b=JLbBBt8ruqOlwlYWydtfENzIud RMhg6cAH/aiwKs4F1UoT86UbFUI05IHnGyTk3I0F99F/bQzY328d8sFdVPSmB6lN1vGEbJ8gvB48R SbKFqer6Gl7iH3djBg3Q0vsKa5eV6Z8V0QShZtkTIxFUqRI6fzGkNp2uX3u1kSxrHNfI+5tNx7Lp1 W32ZKo82IaWaKYKckeTImCcTF+KtOSlc8RZ5XXDWW/VEuipeYz3QRX4peCF2cKZhoN7UChB8TYJ1K 4+UZJ8jzOFSPCeLEPtXUrxuGWEjTyLTgYt7VX7mYmCMwhrlEs4YMbfeCZNpkwzG63L49oIjaX7wa6 +6hKRtVQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oeDHt-008bAH-7f; Fri, 30 Sep 2022 10:30:33 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oeDHq-008b9E-KG; Fri, 30 Sep 2022 10:30:32 +0000 X-UUID: 34ccb81f49dc4177a21397a449fc3f96-20220930 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=OPkDtzEKMc44Gee321IZuVadohuiA7avmD+GueB2S78=; b=igWghUbfGFwIsiTVFXR6YSxxSBy/neK59Jsh62JPDmu/+3fjh1MqzTu5iv3ZY2kGAw8FfDZpx2b8FL5CrpuMGrvm83vhrzTatGf0GYF0CZybTbc/oLL92ZVLcXXaLKYj9kT+iD9iy2vRW+8ziUFGsXeTEKTKS7aSY5c2V2V4sRk=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.11,REQID:c0ca10c9-2abf-4019-9ed7-6886d0036370,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:39a5ff1,CLOUDID:d5ea9307-1cee-4c38-b21b-a45f9682fdc0,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0 X-UUID: 34ccb81f49dc4177a21397a449fc3f96-20220930 Received: from mtkmbs11n1.mediatek.inc [(172.21.101.185)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1467041668; Fri, 30 Sep 2022 03:30:24 -0700 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.15; Fri, 30 Sep 2022 17:59:18 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Fri, 30 Sep 2022 17:59:17 +0800 From: Yongqiang Niu To: CK Hu , Chun-Kuang Hu CC: Jassi Brar , Matthias Brugger , , , , , Hsin-Yi Wang , Yongqiang Niu Subject: [PATCH v7, 1/3] mailbox: mtk-cmdq: add gce software ddr enable private data Date: Fri, 30 Sep 2022 17:59:13 +0800 Message-ID: <20220930095915.13684-2-yongqiang.niu@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220930095915.13684-1-yongqiang.niu@mediatek.com> References: <20220930095915.13684-1-yongqiang.niu@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-20220930_033030_971678_C1638F84 X-CRM114-Status: GOOD ( 13.24 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org if gce work control by software, we need set software enable for MT8186 Soc there is a handshake flow between gce and ddr hardware, if not set ddr enable flag of gce, ddr will fall into idle mode, then gce instructions will not process done. we need set this flag of gce to tell ddr when gce is idle or busy controlled by software flow. Signed-off-by: Yongqiang Niu --- drivers/mailbox/mtk-cmdq-mailbox.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/mailbox/mtk-cmdq-mailbox.c b/drivers/mailbox/mtk-cmdq-mailbox.c index 9465f9081515..04eb44d89119 100644 --- a/drivers/mailbox/mtk-cmdq-mailbox.c +++ b/drivers/mailbox/mtk-cmdq-mailbox.c @@ -38,6 +38,8 @@ #define CMDQ_THR_PRIORITY 0x40 #define GCE_GCTL_VALUE 0x48 +#define GCE_CTRL_BY_SW GENMASK(2, 0) +#define GCE_DDR_EN GENMASK(18, 16) #define CMDQ_THR_ACTIVE_SLOT_CYCLES 0x3200 #define CMDQ_THR_ENABLED 0x1 @@ -80,6 +82,7 @@ struct cmdq { bool suspended; u8 shift_pa; bool control_by_sw; + bool sw_ddr_en; u32 gce_num; }; @@ -87,6 +90,7 @@ struct gce_plat { u32 thread_nr; u8 shift; bool control_by_sw; + bool sw_ddr_en; u32 gce_num; }; @@ -129,7 +133,11 @@ static void cmdq_init(struct cmdq *cmdq) WARN_ON(clk_bulk_enable(cmdq->gce_num, cmdq->clocks)); if (cmdq->control_by_sw) - writel(0x7, cmdq->base + GCE_GCTL_VALUE); + writel(GCE_CTRL_BY_SW, cmdq->base + GCE_GCTL_VALUE); + + if (cmdq->sw_ddr_en) + writel(GCE_DDR_EN | GCE_CTRL_BY_SW, cmdq->base + GCE_GCTL_VALUE); + writel(CMDQ_THR_ACTIVE_SLOT_CYCLES, cmdq->base + CMDQ_THR_SLOT_CYCLES); for (i = 0; i <= CMDQ_MAX_EVENT; i++) writel(i, cmdq->base + CMDQ_SYNC_TOKEN_UPDATE); @@ -543,6 +551,7 @@ static int cmdq_probe(struct platform_device *pdev) cmdq->thread_nr = plat_data->thread_nr; cmdq->shift_pa = plat_data->shift; cmdq->control_by_sw = plat_data->control_by_sw; + cmdq->sw_ddr_en = plat_data->sw_ddr_en; cmdq->gce_num = plat_data->gce_num; cmdq->irq_mask = GENMASK(cmdq->thread_nr - 1, 0); err = devm_request_irq(dev, cmdq->irq, cmdq_irq_handler, IRQF_SHARED,