From patchwork Wed Jul 7 09:40:30 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aisheng Dong X-Patchwork-Id: 12362361 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EC3A9C07E95 for ; Wed, 7 Jul 2021 10:21:32 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id B26186008E for ; Wed, 7 Jul 2021 10:21:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B26186008E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nxp.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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=x+pAmflIOWQkjgPLy202fCR4UqYj64u6eIIok31o1n0=; b=0zF0zxczFbVIOy l0fK6nrH3+4D0z8HZPbbkBJpzVvtpHbEmIX63vWRPvv5Rv/+WUnwbMFYJZA5wh8x/ONje3/ngKZd9 Urqpa3ZjkeokbSGLwKOHSkcnzuj+19U5DyjLQaxgDlgZWtK/noBxi3HqCQtMoSaRx5AHkKMzNfH2S VJ52Y8TUAhVkxRYS0s7yg5CvhqW4MPFoU+dj4qrgw9CuVOUSmmr2OxLc9u9TCiDoF8Jlt+PxbOW6e 1K8PnO4VGZ5oQJVNetY4XGnvfqzQa7+WAGWk4J2/G4MvIjVQ4E5EMrpsJV9DHfU2+URHzKFrCJK2S inv88DzDwmigyvBdlzAg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m14dB-00ERro-FS; Wed, 07 Jul 2021 10:18:16 +0000 Received: from mail-am6eur05on2065.outbound.protection.outlook.com ([40.107.22.65] helo=EUR05-AM6-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1m143i-00EIHm-Ok for linux-arm-kernel@lists.infradead.org; Wed, 07 Jul 2021 09:41:36 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=MD+2mWxl8svukDVtrXu9pcayVE5mCHPlUgqOLLuNZj7UtfhCIrMabwe5NBvr4ECG5YrLL8W2Rxfe7YPHT8O/5Ki2YeHtg407v8YZcHlg4zzI8TSlBBzQxEWr/B++SIuC7PqZV1341hFLsRFfnf/23V6f0umrENDFaAtyaQm6VdaA/fpuh1rdaZJMXe5nWzsPqkG0JZf5Q2qRvhp/qSurAsvquO+Q/I3bEiz/xPZEGumeTkls78b0Q8fh2Nxs64kB2rE1pNn2TLVbdEJTGr8yhBXJOhmMdB2Dxrs1d0ZFZpkDzu0NuWNiMiPYfJVv+zghQjzWBq/y+ztAXCwgRs9clg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=PWQDcF5O+cEIYybOy1SEcSLOpdhIOMyGfjGsYKhZrBU=; b=K8CAPPmqbKnFZJQYIB4UcwQ2MWWvjRPbFxg/BarrDMqOzHYIPGNQdrvOXMTFcqmThNW3S/0la3pUyqDs4iyGxP005xQdy5I1znK9uw/wPHPAiKia4WwR34sSgS/9rx1o/0TBumPY0ZgupH07Z7A7j6EK6lVX+8xu6Vz7hzbvCet2tybiuTWa7+6AxspiOdeGZCCQLndkH4Lxdvz7VgrLpsvU7jeJsrl52aqdij6cm2ZGCt2N8UvB/IVBHGO0bRRDFE48SN7XYAT+1capU7+mgF/xrLAPHAL4HIBlpZoULczSet3mICgxVutDtdUfPDLPXHwmKHb9je/DgnZhPNJeog== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=PWQDcF5O+cEIYybOy1SEcSLOpdhIOMyGfjGsYKhZrBU=; b=pNPmCsLg/u5QEQN6/jVpI2WoPkts78KQWcq1GVRUkMAFLJrtgXCWpwHKGSKhbjG+4g0T0dB9jvl1j+1w8dkcIMvDeU1yyYE8A1bTqFxoBI1uEPrpUokO8tOTQ4gTK34fTLxcThGqvzFQUShYoAKoOxqgeYQyR7WiA7A7OaK2vzA= Authentication-Results: vger.kernel.org; dkim=none (message not signed) header.d=none;vger.kernel.org; dmarc=none action=none header.from=nxp.com; Received: from DB9PR04MB8477.eurprd04.prod.outlook.com (2603:10a6:10:2c3::11) by DU2PR04MB8824.eurprd04.prod.outlook.com (2603:10a6:10:2e3::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4287.23; Wed, 7 Jul 2021 09:41:31 +0000 Received: from DB9PR04MB8477.eurprd04.prod.outlook.com ([fe80::9daa:ab21:f749:36d2]) by DB9PR04MB8477.eurprd04.prod.outlook.com ([fe80::9daa:ab21:f749:36d2%9]) with mapi id 15.20.4308.021; Wed, 7 Jul 2021 09:41:31 +0000 From: Dong Aisheng To: linux-remoteproc@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, ohad@wizery.com, dongas86@gmail.com, bjorn.andersson@linaro.org, mathieu.poirier@linaro.org, Dong Aisheng , Peng Fan Subject: [PATCH V2 2/5] remoteproc: imx_rproc: fix TCM io memory type Date: Wed, 7 Jul 2021 17:40:30 +0800 Message-Id: <20210707094033.1959752-2-aisheng.dong@nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210707094033.1959752-1-aisheng.dong@nxp.com> References: <20210707094033.1959752-1-aisheng.dong@nxp.com> X-ClientProxiedBy: SG2PR03CA0112.apcprd03.prod.outlook.com (2603:1096:4:91::16) To DB9PR04MB8477.eurprd04.prod.outlook.com (2603:10a6:10:2c3::11) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.66) by SG2PR03CA0112.apcprd03.prod.outlook.com (2603:1096:4:91::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4308.8 via Frontend Transport; Wed, 7 Jul 2021 09:41:28 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: fbd5a01b-b21f-46db-c7a1-08d9412b66be X-MS-TrafficTypeDiagnostic: DU2PR04MB8824: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:469; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:DB9PR04MB8477.eurprd04.prod.outlook.com; PTR:; CAT:NONE; SFS:(4636009)(396003)(39860400002)(346002)(136003)(366004)(376002)(5660300002)(316002)(66556008)(186003)(66476007)(8936002)(66946007)(6666004)(36756003)(54906003)(6506007)(478600001)(86362001)(4326008)(83380400001)(2616005)(52116002)(26005)(6916009)(38100700002)(2906002)(38350700002)(1076003)(6486002)(8676002)(956004)(6512007); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: fbd5a01b-b21f-46db-c7a1-08d9412b66be X-MS-Exchange-CrossTenant-AuthSource: DB9PR04MB8477.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Jul 2021 09:41:31.4874 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: Y8Ns/AKk++mSu+6Y3o80Kzva9jkigPyV/cHei4k8ZKOkFCPujqHF8Rt1EOvyK8638kl3VW893m7AO8ETMesAoA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DU2PR04MB8824 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210707_024134_856518_53B5CC18 X-CRM114-Status: GOOD ( 18.30 ) 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 is_iomem was introduced in the commit 40df0a91b2a5 ("remoteproc: add is_iomem to da_to_va"), but the driver seemed missed to provide the io type correctly. This patch updates remoteproc driver to indicate the TCM on IMX are io memories. Without the change, remoteroc kick will fail. Cc: Bjorn Andersson Cc: Mathieu Poirier Cc: Peng Fan Fixes: d59eedc0e408 ("remoteproc: imx_rproc: support i.MX8ULP") Fixes: 79806d32d5aa ("remoteproc: imx_rproc: support i.MX8MN/P") Signed-off-by: Dong Aisheng Reviewed-by: Peng Fan --- ChangeLog: v1->v2: * using ioremap_wc for non TCM memory --- drivers/remoteproc/imx_rproc.c | 35 ++++++++++++++++++++-------------- 1 file changed, 21 insertions(+), 14 deletions(-) diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c index d88f76f5305e..71dcc6dd32e4 100644 --- a/drivers/remoteproc/imx_rproc.c +++ b/drivers/remoteproc/imx_rproc.c @@ -71,6 +71,7 @@ struct imx_rproc_mem { /* att flags */ /* M4 own area. Can be mapped at probe */ #define ATT_OWN BIT(1) +#define ATT_IOMEM BIT(2) /* address translation table */ struct imx_rproc_att { @@ -117,7 +118,7 @@ struct imx_rproc { static const struct imx_rproc_att imx_rproc_att_imx8mn[] = { /* dev addr , sys addr , size , flags */ /* ITCM */ - { 0x00000000, 0x007E0000, 0x00020000, ATT_OWN }, + { 0x00000000, 0x007E0000, 0x00020000, ATT_OWN | ATT_IOMEM }, /* OCRAM_S */ { 0x00180000, 0x00180000, 0x00009000, 0 }, /* OCRAM */ @@ -131,7 +132,7 @@ static const struct imx_rproc_att imx_rproc_att_imx8mn[] = { /* DDR (Code) - alias */ { 0x10000000, 0x40000000, 0x0FFE0000, 0 }, /* DTCM */ - { 0x20000000, 0x00800000, 0x00020000, ATT_OWN }, + { 0x20000000, 0x00800000, 0x00020000, ATT_OWN | ATT_IOMEM }, /* OCRAM_S - alias */ { 0x20180000, 0x00180000, 0x00008000, ATT_OWN }, /* OCRAM */ @@ -147,7 +148,7 @@ static const struct imx_rproc_att imx_rproc_att_imx8mn[] = { static const struct imx_rproc_att imx_rproc_att_imx8mq[] = { /* dev addr , sys addr , size , flags */ /* TCML - alias */ - { 0x00000000, 0x007e0000, 0x00020000, 0 }, + { 0x00000000, 0x007e0000, 0x00020000, ATT_IOMEM}, /* OCRAM_S */ { 0x00180000, 0x00180000, 0x00008000, 0 }, /* OCRAM */ @@ -159,9 +160,9 @@ static const struct imx_rproc_att imx_rproc_att_imx8mq[] = { /* DDR (Code) - alias */ { 0x10000000, 0x80000000, 0x0FFE0000, 0 }, /* TCML */ - { 0x1FFE0000, 0x007E0000, 0x00020000, ATT_OWN }, + { 0x1FFE0000, 0x007E0000, 0x00020000, ATT_OWN | ATT_IOMEM}, /* TCMU */ - { 0x20000000, 0x00800000, 0x00020000, ATT_OWN }, + { 0x20000000, 0x00800000, 0x00020000, ATT_OWN | ATT_IOMEM}, /* OCRAM_S */ { 0x20180000, 0x00180000, 0x00008000, ATT_OWN }, /* OCRAM */ @@ -199,12 +200,12 @@ static const struct imx_rproc_att imx_rproc_att_imx7d[] = { /* OCRAM_PXP (Code) - alias */ { 0x00940000, 0x00940000, 0x00008000, 0 }, /* TCML (Code) */ - { 0x1FFF8000, 0x007F8000, 0x00008000, ATT_OWN }, + { 0x1FFF8000, 0x007F8000, 0x00008000, ATT_OWN | ATT_IOMEM }, /* DDR (Code) - alias, first part of DDR (Data) */ { 0x10000000, 0x80000000, 0x0FFF0000, 0 }, /* TCMU (Data) */ - { 0x20000000, 0x00800000, 0x00008000, ATT_OWN }, + { 0x20000000, 0x00800000, 0x00008000, ATT_OWN | ATT_IOMEM }, /* OCRAM (Data) */ { 0x20200000, 0x00900000, 0x00020000, 0 }, /* OCRAM_EPDC (Data) */ @@ -218,18 +219,18 @@ static const struct imx_rproc_att imx_rproc_att_imx7d[] = { static const struct imx_rproc_att imx_rproc_att_imx6sx[] = { /* dev addr , sys addr , size , flags */ /* TCML (M4 Boot Code) - alias */ - { 0x00000000, 0x007F8000, 0x00008000, 0 }, + { 0x00000000, 0x007F8000, 0x00008000, ATT_IOMEM }, /* OCRAM_S (Code) */ { 0x00180000, 0x008F8000, 0x00004000, 0 }, /* OCRAM_S (Code) - alias */ { 0x00180000, 0x008FC000, 0x00004000, 0 }, /* TCML (Code) */ - { 0x1FFF8000, 0x007F8000, 0x00008000, ATT_OWN }, + { 0x1FFF8000, 0x007F8000, 0x00008000, ATT_OWN | ATT_IOMEM }, /* DDR (Code) - alias, first part of DDR (Data) */ { 0x10000000, 0x80000000, 0x0FFF8000, 0 }, /* TCMU (Data) */ - { 0x20000000, 0x00800000, 0x00008000, ATT_OWN }, + { 0x20000000, 0x00800000, 0x00008000, ATT_OWN | ATT_IOMEM }, /* OCRAM_S (Data) - alias? */ { 0x208F8000, 0x008F8000, 0x00004000, 0 }, /* DDR (Data) */ @@ -341,7 +342,7 @@ static int imx_rproc_stop(struct rproc *rproc) } static int imx_rproc_da_to_sys(struct imx_rproc *priv, u64 da, - size_t len, u64 *sys) + size_t len, u64 *sys, bool *is_iomem) { const struct imx_rproc_dcfg *dcfg = priv->dcfg; int i; @@ -354,6 +355,8 @@ static int imx_rproc_da_to_sys(struct imx_rproc *priv, u64 da, unsigned int offset = da - att->da; *sys = att->sa + offset; + if (is_iomem) + *is_iomem = att->flags & ATT_IOMEM; return 0; } } @@ -377,7 +380,7 @@ static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *i * On device side we have many aliases, so we need to convert device * address (M4) to system bus address first. */ - if (imx_rproc_da_to_sys(priv, da, len, &sys)) + if (imx_rproc_da_to_sys(priv, da, len, &sys, is_iomem)) return NULL; for (i = 0; i < IMX_RPROC_MEM_MAX; i++) { @@ -553,8 +556,12 @@ static int imx_rproc_addr_init(struct imx_rproc *priv, if (b >= IMX_RPROC_MEM_MAX) break; - priv->mem[b].cpu_addr = devm_ioremap(&pdev->dev, - att->sa, att->size); + if (att->flags & ATT_IOMEM) + priv->mem[b].cpu_addr = devm_ioremap(&pdev->dev, + att->sa, att->size); + else + priv->mem[b].cpu_addr = devm_ioremap_wc(&pdev->dev, + att->sa, att->size); if (!priv->mem[b].cpu_addr) { dev_err(dev, "failed to remap %#x bytes from %#x\n", att->size, att->sa); return -ENOMEM;