From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 0B21CC3F2D1 for ; Tue, 3 Mar 2020 15:55:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DCAE72146E for ; Tue, 3 Mar 2020 15:55:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730263AbgCCPzt (ORCPT ); Tue, 3 Mar 2020 10:55:49 -0500 Received: from inva021.nxp.com ([92.121.34.21]:33894 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729968AbgCCPzs (ORCPT ); Tue, 3 Mar 2020 10:55:48 -0500 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 3728520146B; Tue, 3 Mar 2020 16:55:46 +0100 (CET) Received: from inva024.eu-rdc02.nxp.com (inva024.eu-rdc02.nxp.com [134.27.226.22]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 2A2E420146A; Tue, 3 Mar 2020 16:55:46 +0100 (CET) Received: from fsr-fed2164-101.ea.freescale.net (fsr-fed2164-101.ea.freescale.net [10.171.82.91]) by inva024.eu-rdc02.nxp.com (Postfix) with ESMTP id 8809A20414; Tue, 3 Mar 2020 16:55:45 +0100 (CET) From: Madalin Bucur To: davem@davemloft.net Cc: netdev@vger.kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, leoyang.li@nxp.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Madalin Bucur Subject: [PATCH net 3/4] fsl/fman: detect FMan erratum A050385 Date: Tue, 3 Mar 2020 17:55:38 +0200 Message-Id: <1583250939-24645-4-git-send-email-madalin.bucur@oss.nxp.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1583250939-24645-1-git-send-email-madalin.bucur@oss.nxp.com> References: <1583250939-24645-1-git-send-email-madalin.bucur@oss.nxp.com> Content-Type: text/plain; charset="us-ascii" Reply-to: madalin.bucur@oss.nxp.com X-Virus-Scanned: ClamAV using ClamSMTP Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Madalin Bucur Detect the presence of the A050385 erratum. Signed-off-by: Madalin Bucur --- drivers/net/ethernet/freescale/fman/fman.c | 18 ++++++++++++++++++ drivers/net/ethernet/freescale/fman/fman.h | 10 ++++++++++ 2 files changed, 28 insertions(+) diff --git a/drivers/net/ethernet/freescale/fman/fman.c b/drivers/net/ethernet/freescale/fman/fman.c index 934111def0be..a673917b7411 100644 --- a/drivers/net/ethernet/freescale/fman/fman.c +++ b/drivers/net/ethernet/freescale/fman/fman.c @@ -1,5 +1,6 @@ /* * Copyright 2008-2015 Freescale Semiconductor Inc. + * Copyright 2020 NXP * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: @@ -566,6 +567,10 @@ struct fman_cfg { u32 qmi_def_tnums_thresh; }; +#ifdef DPAA_FMAN_ERRATUM_A050385 +static bool fman_has_err_a050385; +#endif + static irqreturn_t fman_exceptions(struct fman *fman, enum fman_exceptions exception) { @@ -2518,6 +2523,14 @@ struct fman *fman_bind(struct device *fm_dev) } EXPORT_SYMBOL(fman_bind); +#ifdef DPAA_FMAN_ERRATUM_A050385 +bool fman_has_errata_a050385(void) +{ + return fman_has_err_a050385; +} +EXPORT_SYMBOL(fman_has_errata_a050385); +#endif + static irqreturn_t fman_err_irq(int irq, void *handle) { struct fman *fman = (struct fman *)handle; @@ -2845,6 +2858,11 @@ static struct fman *read_dts_node(struct platform_device *of_dev) goto fman_free; } +#ifdef DPAA_FMAN_ERRATUM_A050385 + fman_has_err_a050385 = + of_property_read_bool(fm_node, "fsl,erratum-a050385"); +#endif + return fman; fman_node_put: diff --git a/drivers/net/ethernet/freescale/fman/fman.h b/drivers/net/ethernet/freescale/fman/fman.h index 935c317fa696..7b14ef4c306d 100644 --- a/drivers/net/ethernet/freescale/fman/fman.h +++ b/drivers/net/ethernet/freescale/fman/fman.h @@ -1,5 +1,6 @@ /* * Copyright 2008-2015 Freescale Semiconductor Inc. + * Copyright 2020 NXP * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: @@ -37,6 +38,11 @@ #include #include +#ifdef CONFIG_ARM64 +/* only some ARM64 platforms are affected */ +#define DPAA_FMAN_ERRATUM_A050385 1 +#endif + /* FM Frame descriptor macros */ /* Frame queue Context Override */ #define FM_FD_CMD_FCO 0x80000000 @@ -398,6 +404,10 @@ u16 fman_get_max_frm(void); int fman_get_rx_extra_headroom(void); +#ifdef DPAA_FMAN_ERRATUM_A050385 +bool fman_has_errata_a050385(void); +#endif + struct fman *fman_bind(struct device *dev); #endif /* __FM_H */ -- 2.1.0