diff options
Diffstat (limited to 'target/linux/generic/pending-5.15/775-net-dsa-b53-add-BCM63268-RGMII-configuration.patch')
| -rw-r--r-- | target/linux/generic/pending-5.15/775-net-dsa-b53-add-BCM63268-RGMII-configuration.patch | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/target/linux/generic/pending-5.15/775-net-dsa-b53-add-BCM63268-RGMII-configuration.patch b/target/linux/generic/pending-5.15/775-net-dsa-b53-add-BCM63268-RGMII-configuration.patch new file mode 100644 index 0000000000..213357bfc5 --- /dev/null +++ b/target/linux/generic/pending-5.15/775-net-dsa-b53-add-BCM63268-RGMII-configuration.patch @@ -0,0 +1,117 @@ +From patchwork Mon Mar 20 15:50:24 2023 +Content-Type: text/plain; charset="utf-8" +MIME-Version: 1.0 +Content-Transfer-Encoding: 8bit +X-Patchwork-Submitter: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= + <noltari@gmail.com> +X-Patchwork-Id: 13181526 +X-Patchwork-Delegate: kuba@kernel.org +Return-Path: <netdev-owner@vger.kernel.org> +X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on + aws-us-west-2-korg-lkml-1.web.codeaurora.org +Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) + by smtp.lore.kernel.org (Postfix) with ESMTP id 93F5BC6FD1D + for <netdev@archiver.kernel.org>; Mon, 20 Mar 2023 16:00:57 +0000 (UTC) +Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand + id S233333AbjCTQAy (ORCPT <rfc822;netdev@archiver.kernel.org>); 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+ Mon, 20 Mar 2023 08:50:33 -0700 (PDT) +Received: from atlantis.lan (255.red-79-146-124.dynamicip.rima-tde.net. + [79.146.124.255]) + by smtp.gmail.com with ESMTPSA id + 3-20020a05600c020300b003eddefd8792sm4812333wmi.14.2023.03.20.08.50.32 + (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); + Mon, 20 Mar 2023 08:50:32 -0700 (PDT) +From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari@gmail.com> +To: f.fainelli@gmail.com, andrew@lunn.ch, olteanv@gmail.com, + davem@davemloft.net, edumazet@google.com, kuba@kernel.org, + pabeni@redhat.com, robh+dt@kernel.org, + krzysztof.kozlowski+dt@linaro.org, netdev@vger.kernel.org, + devicetree@vger.kernel.org, linux-kernel@vger.kernel.org +Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari@gmail.com> +Subject: [PATCH 4/4] net: dsa: b53: add BCM63268 RGMII configuration +Date: Mon, 20 Mar 2023 16:50:24 +0100 +Message-Id: <20230320155024.164523-5-noltari@gmail.com> +X-Mailer: git-send-email 2.30.2 +In-Reply-To: <20230320155024.164523-1-noltari@gmail.com> +References: <20230320155024.164523-1-noltari@gmail.com> +MIME-Version: 1.0 +Precedence: bulk +List-ID: <netdev.vger.kernel.org> +X-Mailing-List: netdev@vger.kernel.org +X-Patchwork-Delegate: kuba@kernel.org + +BCM63268 requires special RGMII configuration to work. + +Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com> +--- + drivers/net/dsa/b53/b53_common.c | 6 +++++- + drivers/net/dsa/b53/b53_regs.h | 1 + + 2 files changed, 6 insertions(+), 1 deletion(-) + +--- a/drivers/net/dsa/b53/b53_common.c ++++ b/drivers/net/dsa/b53/b53_common.c +@@ -1240,8 +1240,12 @@ static void b53_adjust_63xx_rgmii(struct + break; + } + +- if (port != dev->imp_port) ++ if (port != dev->imp_port) { ++ if (is63268(dev)) ++ rgmii_ctrl |= RGMII_CTRL_MII_OVERRIDE; ++ + rgmii_ctrl |= RGMII_CTRL_ENABLE_GMII; ++ } + + b53_write8(dev, B53_CTRL_PAGE, off, rgmii_ctrl); + +--- a/drivers/net/dsa/b53/b53_regs.h ++++ b/drivers/net/dsa/b53/b53_regs.h +@@ -138,6 +138,7 @@ + + #define B53_RGMII_CTRL_IMP 0x60 + #define RGMII_CTRL_ENABLE_GMII BIT(7) ++#define RGMII_CTRL_MII_OVERRIDE BIT(6) + #define RGMII_CTRL_TIMING_SEL BIT(2) + #define RGMII_CTRL_DLL_RXC BIT(1) + #define RGMII_CTRL_DLL_TXC BIT(0) |