From patchwork Wed Feb 10 09:48:08 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Chulski X-Patchwork-Id: 380741 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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, 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 CCBB3C433DB for ; Wed, 10 Feb 2021 09:52:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7F49864E40 for ; Wed, 10 Feb 2021 09:52:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230091AbhBJJwS (ORCPT ); Wed, 10 Feb 2021 04:52:18 -0500 Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]:26020 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229610AbhBJJue (ORCPT ); Wed, 10 Feb 2021 04:50:34 -0500 Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 11A9e0h0008644; Wed, 10 Feb 2021 01:49:43 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=pfpt0220; bh=Lq1Smx+DEUnTfoNBQY/9X6EAfU0RZJZUvRTCbzNEoAk=; b=Mp1hf4EDWly53teZotxuNYxhJSRb1RaQPQu3TBWC8Kbf+J73wDbhq7AvanV0Acd1kybU kBDooyRrj38Ppz5hlFgBzGzciN6w/c6GbC0fDH9N+DwlrFWMqPKTtfXl6BD6rv80lUpz U1P54frZ8LR15RaXplA7QLuj4rIcvsFO/ot6ku8lsiMN6X3PHj8dC96qt46q+gaNxUFq tH3gP7DpCrBjd42iN3I8yPEzCxphnlBzNBLBnGyi90/WtIYt15x75eaJD1XL9MtK5Ada jF8BYqp/HvKe+qIb/4MdvLMMUqPZLMR7DLUorC9HsAxJeZqFKrq3AkmaECiiGQB1I9He Qw== Received: from dc5-exch02.marvell.com ([199.233.59.182]) by mx0b-0016f401.pphosted.com with ESMTP id 36hugqb93b-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Wed, 10 Feb 2021 01:49:43 -0800 Received: from SC-EXCH01.marvell.com (10.93.176.81) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 10 Feb 2021 01:49:41 -0800 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by SC-EXCH01.marvell.com (10.93.176.81) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 10 Feb 2021 01:49:40 -0800 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 10 Feb 2021 01:49:40 -0800 Received: from stefan-pc.marvell.com (stefan-pc.marvell.com [10.5.25.21]) by maili.marvell.com (Postfix) with ESMTP id A9ED43F703F; Wed, 10 Feb 2021 01:49:36 -0800 (PST) From: To: CC: , , , , , , , , , , , , , , , , Subject: [PATCH v12 net-next 03/15] net: mvpp2: add CM3 SRAM memory map Date: Wed, 10 Feb 2021 11:48:08 +0200 Message-ID: <1612950500-9682-4-git-send-email-stefanc@marvell.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1612950500-9682-1-git-send-email-stefanc@marvell.com> References: <1612950500-9682-1-git-send-email-stefanc@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369, 18.0.737 definitions=2021-02-10_03:2021-02-09,2021-02-10 signatures=0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Stefan Chulski This patch adds CM3 memory map. Signed-off-by: Stefan Chulski Reviewed-by: Andrew Lunn Acked-by: Marcin Wojtas --- drivers/net/ethernet/marvell/mvpp2/mvpp2.h | 1 + drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 26 ++++++++++++++++++++ 2 files changed, 27 insertions(+) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h index 6bd7e40..56e90ab 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h @@ -925,6 +925,7 @@ struct mvpp2 { /* Shared registers' base addresses */ void __iomem *lms_base; void __iomem *iface_base; + void __iomem *cm3_base; /* On PPv2.2, each "software thread" can access the base * register through a separate address space, each 64 KB apart diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index a07cf60..eec3796 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -6846,6 +6846,27 @@ static int mvpp2_init(struct platform_device *pdev, struct mvpp2 *priv) return 0; } +static int mvpp2_get_sram(struct platform_device *pdev, + struct mvpp2 *priv) +{ + struct resource *res; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 2); + if (!res) { + if (has_acpi_companion(&pdev->dev)) + dev_warn(&pdev->dev, "ACPI is too old, Flow control not supported\n"); + else + dev_warn(&pdev->dev, "DT is too old, Flow control not supported\n"); + return 0; + } + + priv->cm3_base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(priv->cm3_base)) + return PTR_ERR(priv->cm3_base); + + return 0; +} + static int mvpp2_probe(struct platform_device *pdev) { const struct acpi_device_id *acpi_id; @@ -6902,6 +6923,11 @@ static int mvpp2_probe(struct platform_device *pdev) priv->iface_base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(priv->iface_base)) return PTR_ERR(priv->iface_base); + + /* Map CM3 SRAM */ + err = mvpp2_get_sram(pdev, priv); + if (err) + dev_warn(&pdev->dev, "Fail to alloc CM3 SRAM\n"); } if (priv->hw_version == MVPP22 && dev_of_node(&pdev->dev)) {