From patchwork Fri Sep 30 16:06:35 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yongqiang Niu X-Patchwork-Id: 12995782 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 B3D53C433FE for ; Fri, 30 Sep 2022 16:48:40 +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=6ki3Jx30+ZCeQ+pT6IeBH+TEt9IvIvBpTQBD8hi4o28=; b=SlvHXbiby+JCBX CPbEygBbynwKCSlFq5vqyzPUbnK214tQpiFCXahsNRIO+GONQa7snqTFUG+Lgc9jGFn2mJCLroEmz X43vov4VFX9VtQ+xl2qG6seyxxwOD4d582H1MFFIQd7ar065qSuCFQ0p8ebthIBoU7XZIDw4H5hac K5kWjqmdRdce2ob1nu9nhvF5720b340WnxpzDIslEo1xARp819BpFkhu5IOVTBBK+4OJ7beJ4C8B5 xn+ynRg+kydlsO7/PkvFVj7U53RojJhYFAOV7czQQ2+2bCLMn4JK4pM3upHEDaUWjyUbkaEA4AtY7 9hvFOlIpsStgXLZXojoQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oeJAd-00AewU-GY; Fri, 30 Sep 2022 16:47:27 +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 1oeJAZ-00AetX-Ek; Fri, 30 Sep 2022 16:47:24 +0000 X-UUID: 1e0c91eec4e54fe5bc2ca57877076910-20220930 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=Yjl+Bzl2sRx8O3JnLZlmYNW0isbqNQocd4L3f9Rikao=; b=sSuU7RQMZdcwC22xUxMCOanqLbnIxdSfZ4RXhABLhj3cHDcV77xWtUFuXppKD47hgtlEddPxOt2A6v7HTOMRD+vYz3lrLbuSrv+s6YuLJ0+QnyyjEXpT6hcwfrm8I+sh7SdT4ZR7H+NsQXRKwhs35jbGSsC64zkWc/dMWK+vHCo=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.11,REQID:0f02ae0b-4555-4d11-a540-cdeca2b732c9,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:eeddcee4-87f9-4bb0-97b6-34957dc0fbbe,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: 1e0c91eec4e54fe5bc2ca57877076910-20220930 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 1071491184; Fri, 30 Sep 2022 09:47:18 -0700 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) 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; Sat, 1 Oct 2022 00:06:41 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Sat, 1 Oct 2022 00:06:40 +0800 From: Yongqiang Niu To: CK Hu , Chun-Kuang Hu CC: Jassi Brar , Matthias Brugger , , , , , Hsin-Yi Wang , Yongqiang Niu Subject: [PATCH v8, 1/4] mailbox: mtk-cmdq: add gce software ddr enable private data Date: Sat, 1 Oct 2022 00:06:35 +0800 Message-ID: <20220930160638.7588-2-yongqiang.niu@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220930160638.7588-1-yongqiang.niu@mediatek.com> References: <20220930160638.7588-1-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_094723_537431_0E819E7C X-CRM114-Status: GOOD ( 12.30 ) 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 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 | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/mailbox/mtk-cmdq-mailbox.c b/drivers/mailbox/mtk-cmdq-mailbox.c index 9465f9081515..88db6b4642db 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; }; @@ -130,6 +134,10 @@ 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); + + 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,