From patchwork Sat Dec 29 14:35:55 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin Blumenstingl X-Patchwork-Id: 10744911 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8A3BD13B5 for ; Sat, 29 Dec 2018 14:36:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 77F3D28A75 for ; Sat, 29 Dec 2018 14:36:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6BC5A28A9C; Sat, 29 Dec 2018 14:36:51 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id EDE8928A75 for ; Sat, 29 Dec 2018 14:36:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=mQh2Qa2ZE5AbZUaVzf/fLrcGkqd2uDhmIeN6NyPi0Lo=; b=sQvhBJmpsjWBdo NrVvf15Xw2COUPSUkemgmQDkfgkkBPzrjyAiThFuNclQ7iabOBpjbRwKs0DJL6PzpALNP3JLe8Tbs 1oJxTS4fhzMQYoujB68W2IITxRH48kYhFRdAB3FEhm6qd8d5rdDO6IT3JkB/oTi4hm0Zttv2PgQ92 KBq2NZfawcvGdNd8j7N2R24DPdSZ5yCOqihIATCksJyyQxFWehqgNgKiyBQKpDK9+t2V7QwrDyjVp ibaN+dYk/oK8QURbIGaiLr6f1SBRqstNrBARuLk0zZgycwfMjtFHcYkcUBNdHX3P0Gs4maqTxc5DY SXJND/fvUSl7xY//f//g==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gdFjM-0003mQ-UG; Sat, 29 Dec 2018 14:36:48 +0000 Received: from mail-wr1-x443.google.com ([2a00:1450:4864:20::443]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gdFj5-0003XX-Ur; Sat, 29 Dec 2018 14:36:33 +0000 Received: by mail-wr1-x443.google.com with SMTP id r10so23186984wrs.10; Sat, 29 Dec 2018 06:36:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=ziFHL1MlO5nT5PAlUJWhLo9xWwurPRPDvozoMIR0akg=; b=tnuuDwY3NmRiQkLhcajbW7K9BDTQpqxyNEMIvK6vq5YSHla98DD9fH7VogQeK2+RC4 pajjEU+5gXLvEk5BGR7W3ds6sntN8fQKl2On80xOXIq0kadwS5djFN6mztjK11dZ8yYd Mc0neJfP6A7QCiRpi5ia2mDUyUmQjg4YGobzMFj7yGsi+Q/iAzaSMAbbdEJDKm1PMdwl xyM2dUoCWSCEQCnyJa/rXuTzO6ahvvBB1L1RbBUdaVK8SDqMaLbYaKmx/mUZAsTxcJBH dWTO5wweSgvTdaoDSgbSpH+CHEsTieS8b227ivTtxFDz9L8hUWsXjy9pPjj1TvMmC8zj L3jA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=ziFHL1MlO5nT5PAlUJWhLo9xWwurPRPDvozoMIR0akg=; b=TU3+bzDuYyHIwRlcuHgOvRdwP5/yCvpE+R6yj8kq/LtyXv7dzbW29q4z7R4/MfYh79 OhOuuyoCyNX6cis8FFJJzkMtEBEqencHrMDMtdM4EdsYbdRMLAEa6jYGSw+VHUHW3Vzp kp3dHKVsRRJSdQ7Rd9UxbXLtwmuLkmr76HEiHzqZiv2j/mX9N1N9U7wTnnBNwWBf/h2/ HWPnU04/ed3XjbpNPQlKMo3Xm9W1NYL50u86laLTDWpUFoNTN/OvScRUuSch8fYBABJx dy3ClED110FygHXY/f44DnbMAnuImUTB2CUmc6octcCv7lkngvCACdAFJJ7MYCUn3vGg CAuA== X-Gm-Message-State: AJcUukfCL7sRfYirNvtX7KJbKH4x3+XEOUwvu/aSnNJJbtyynJP0w0l2 ED3ZM0GUkDygebF8HAOX5HsxS9Qg X-Google-Smtp-Source: ALg8bN72bJOyFj/FAepVZAYI/ZAYPsCYwP409S71LoXLgLZ1IJIBrG5QjhiRzAGjI5Ws6c/se4QBMQ== X-Received: by 2002:adf:be0f:: with SMTP id n15mr29388939wrh.267.1546094179900; Sat, 29 Dec 2018 06:36:19 -0800 (PST) Received: from blackbox.darklights.net (p200300DCD7294600914F24DE1716D3FC.dip0.t-ipconnect.de. [2003:dc:d729:4600:914f:24de:1716:d3fc]) by smtp.googlemail.com with ESMTPSA id k135sm53626412wmd.42.2018.12.29.06.36.18 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 29 Dec 2018 06:36:19 -0800 (PST) From: Martin Blumenstingl To: linux-amlogic@lists.infradead.org, khilman@baylibre.com, ingrassia@epigenesys.com Subject: [PATCH v3 1/2] pinctrl: meson: meson8b: add the eth_rxd2 and eth_rxd3 pins Date: Sat, 29 Dec 2018 15:35:55 +0100 Message-Id: <20181229143556.27339-2-martin.blumenstingl@googlemail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20181229143556.27339-1-martin.blumenstingl@googlemail.com> References: <20181229143556.27339-1-martin.blumenstingl@googlemail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181229_063631_993262_431A5E93 X-CRM114-Status: GOOD ( 13.94 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Martin Blumenstingl , linux-arm-kernel@lists.infradead.org, jianxin.pan@amlogic.com, linus.luessing@c0d3.blue Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Gigabit Ethernet requires the Ethernet TXD0..3 and RXD0..3 data lines. Add the missing eth_rxd2 and eth_rxd3 definitions so we don't have to rely on the bootloader to set them up correctly. The vendor u-boot sources for Odroid-C1 use the following Ethernet pinmux configuration: SET_CBUS_REG_MASK(PERIPHS_PIN_MUX_6, 0x3f4f); SET_CBUS_REG_MASK(PERIPHS_PIN_MUX_7, 0xf00000); This translates to the following pin groups in the mainline kernel: - register 6 bit 0: eth_rxd1 (DIF_0_P) - register 6 bit 1: eth_rxd0 (DIF_0_N) - register 6 bit 2: eth_rx_dv (DIF_1_P) - register 6 bit 3: eth_rx_clk (DIF_1_N) - register 6 bit 6: eth_tx_en (DIF_3_P) - register 6 bit 8: eth_ref_clk (DIF_3_N) - register 6 bit 9: eth_mdc (DIF_4_P) - register 6 bit 10: eth_mdio_en (DIF_4_N) - register 6 bit 11: eth_tx_clk (GPIOH_9) - register 6 bit 12: eth_txd2 (GPIOH_8) - register 6 bit 13: eth_txd3 (GPIOH_7) - register 7 bit 20: eth_txd0_0 (GPIOH_6) - register 7 bit 21: eth_txd1_0 (GPIOH_5) - register 7 bit 22: eth_rxd3 (DIF_2_P) - register 7 bit 23: eth_rxd2 (DIF_2_N) All functions except eth_rxd2 and eth_rxd3 are already supported by the pinctrl-meson8b driver. Suggested-by: Jianxin Pan Signed-off-by: Martin Blumenstingl Reviewed-by: Kevin Hilman Tested-by: Emiliano Ingrassia Reviewed-by: Emiliano Ingrassia --- drivers/pinctrl/meson/pinctrl-meson8b.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/pinctrl/meson/pinctrl-meson8b.c b/drivers/pinctrl/meson/pinctrl-meson8b.c index c69ca95b1ad5..84938bd73ac2 100644 --- a/drivers/pinctrl/meson/pinctrl-meson8b.c +++ b/drivers/pinctrl/meson/pinctrl-meson8b.c @@ -346,6 +346,8 @@ static const unsigned int eth_rx_dv_pins[] = { DIF_1_P }; static const unsigned int eth_rx_clk_pins[] = { DIF_1_N }; static const unsigned int eth_txd0_1_pins[] = { DIF_2_P }; static const unsigned int eth_txd1_1_pins[] = { DIF_2_N }; +static const unsigned int eth_rxd3_pins[] = { DIF_2_P }; +static const unsigned int eth_rxd2_pins[] = { DIF_2_N }; static const unsigned int eth_tx_en_pins[] = { DIF_3_P }; static const unsigned int eth_ref_clk_pins[] = { DIF_3_N }; static const unsigned int eth_mdc_pins[] = { DIF_4_P }; @@ -599,6 +601,8 @@ static struct meson_pmx_group meson8b_cbus_groups[] = { GROUP(eth_ref_clk, 6, 8), GROUP(eth_mdc, 6, 9), GROUP(eth_mdio_en, 6, 10), + GROUP(eth_rxd3, 7, 22), + GROUP(eth_rxd2, 7, 23), }; static struct meson_pmx_group meson8b_aobus_groups[] = { @@ -748,7 +752,7 @@ static const char * const ethernet_groups[] = { "eth_tx_clk", "eth_tx_en", "eth_txd1_0", "eth_txd1_1", "eth_txd0_0", "eth_txd0_1", "eth_rx_clk", "eth_rx_dv", "eth_rxd1", "eth_rxd0", "eth_mdio_en", "eth_mdc", "eth_ref_clk", - "eth_txd2", "eth_txd3" + "eth_txd2", "eth_txd3", "eth_rxd3", "eth_rxd2" }; static const char * const i2c_a_groups[] = { From patchwork Sat Dec 29 14:35:56 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Martin Blumenstingl X-Patchwork-Id: 10744915 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1CA7614E2 for ; 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[2003:dc:d729:4600:914f:24de:1716:d3fc]) by smtp.googlemail.com with ESMTPSA id k135sm53626412wmd.42.2018.12.29.06.36.19 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 29 Dec 2018 06:36:20 -0800 (PST) From: Martin Blumenstingl To: linux-amlogic@lists.infradead.org, khilman@baylibre.com, ingrassia@epigenesys.com Subject: [PATCH v3 2/2] ARM: dts: meson8b: fix the Ethernet data line signals in eth_rgmii_pins Date: Sat, 29 Dec 2018 15:35:56 +0100 Message-Id: <20181229143556.27339-3-martin.blumenstingl@googlemail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20181229143556.27339-1-martin.blumenstingl@googlemail.com> References: <20181229143556.27339-1-martin.blumenstingl@googlemail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181229_063631_993175_AED4EA9B X-CRM114-Status: GOOD ( 16.63 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Martin Blumenstingl , linux-arm-kernel@lists.infradead.org, jianxin.pan@amlogic.com, linus.luessing@c0d3.blue Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP According to the Odroid-C1+ schematics the Ethernet TXD1 signal is routed to GPIOH_5 and the TXD0 signal is routed to GPIOH_6. The public S805 datasheet shows that TXD0 can be routed to DIF_2_P and TXD1 can be routed to DIF_2_N instead. The pin groups eth_txd0_0 (GPIOH_6) and eth_txd0_1 (DIF_2_P) are both configured as Ethernet TXD0 and TXD1 data lines in meson8b.dtsi. At the same time eth_txd1_0 (GPIOH_5) and eth_txd1_1 (DIF_2_N) are configured as TXD0 and TXD1 data lines as well. This results in a bad Ethernet receive performance. Presumably this is due to the eth_txd0 and eth_txd1 signal being routed to the wrong pins. As a result of that data can only be transmitted on eth_txd2 and eth_txd3. However, I have no scope to fully confirm this assumption. The vendor u-boot sources for Odroid-C1 use the following Ethernet pinmux configuration: SET_CBUS_REG_MASK(PERIPHS_PIN_MUX_6, 0x3f4f); SET_CBUS_REG_MASK(PERIPHS_PIN_MUX_7, 0xf00000); This translates to the following pin groups in the mainline kernel: - register 6 bit 0: eth_rxd1 (DIF_0_P) - register 6 bit 1: eth_rxd0 (DIF_0_N) - register 6 bit 2: eth_rx_dv (DIF_1_P) - register 6 bit 3: eth_rx_clk (DIF_1_N) - register 6 bit 6: eth_tx_en (DIF_3_P) - register 6 bit 8: eth_ref_clk (DIF_3_N) - register 6 bit 9: eth_mdc (DIF_4_P) - register 6 bit 10: eth_mdio_en (DIF_4_N) - register 6 bit 11: eth_tx_clk (GPIOH_9) - register 6 bit 12: eth_txd2 (GPIOH_8) - register 6 bit 13: eth_txd3 (GPIOH_7) - register 7 bit 20: eth_txd0_0 (GPIOH_6) - register 7 bit 21: eth_txd1_0 (GPIOH_5) - register 7 bit 22: eth_rxd3 (DIF_2_P) - register 7 bit 23: eth_rxd2 (DIF_2_N) Drop the eth_txd0_1 and eth_txd1_1 groups from eth_rgmii_pins to fix the Ethernet transmit performance on Odroid-C1. Also add the eth_rxd2 and eth_rxd3 groups so we don't rely on the bootloader to set them up. iperf3 statistics before this change: - transmitting from Odroid-C1: 741 Mbits/sec (0 retries) - receiving on Odroid-C1: 199 Mbits/sec (1713 retries) iperf3 statistics after this change: - transmitting from Odroid-C1: 667 Mbits/sec (0 retries) - receiving on Odroid-C1: 750 Mbits/sec (0 retries) Fixes: b96446541d8390 ("ARM: dts: meson8b: extend ethernet controller description") Signed-off-by: Martin Blumenstingl Cc: Emiliano Ingrassia Cc: Linus Lüssing Tested-by: Emiliano Ingrassia Reviewed-by: Emiliano Ingrassia --- arch/arm/boot/dts/meson8b.dtsi | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm/boot/dts/meson8b.dtsi b/arch/arm/boot/dts/meson8b.dtsi index 22d775460767..dc125769fe85 100644 --- a/arch/arm/boot/dts/meson8b.dtsi +++ b/arch/arm/boot/dts/meson8b.dtsi @@ -270,9 +270,7 @@ groups = "eth_tx_clk", "eth_tx_en", "eth_txd1_0", - "eth_txd1_1", "eth_txd0_0", - "eth_txd0_1", "eth_rx_clk", "eth_rx_dv", "eth_rxd1", @@ -281,7 +279,9 @@ "eth_mdc", "eth_ref_clk", "eth_txd2", - "eth_txd3"; + "eth_txd3", + "eth_rxd3", + "eth_rxd2"; function = "ethernet"; bias-disable; };