From nobody Tue Sep 9 01:21:08 2025 Return-Path: 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 777A8EB64DD for ; Fri, 21 Jul 2023 06:00:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229552AbjGUGAv (ORCPT ); Fri, 21 Jul 2023 02:00:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40928 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229818AbjGUGAp (ORCPT ); Fri, 21 Jul 2023 02:00:45 -0400 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.153.233]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9DF30E62; Thu, 20 Jul 2023 23:00:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1689919245; x=1721455245; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=pDx+xIc1pKw69N9rcGWkTVyLaxLMsH85HpuhblKYyE4=; b=p6MmXsC8fVtcYPzIIwpmdiHfoBu+92jb+l4ppVMeZXDcaiUkpiqLJaj+ 4nBkdcFewSTqQTb12vomUMXdP4DgkQ4khU2ILkHRrukHcZNguBFIO/wb5 zran0cThTWzfWMPXzfxM9QWFqirtjmIC0cDeffHSjol4euM4Y3V0v5BkJ NBryNKvi5pIBXCwbjksUXC15gFtiDzwaV1O87DVSWwnKoXcgG7EQhYldz LhXXEBPPWg/yc1WPOOKy63aQyEYMeebpj3SSafXSc4XfJkTHzy4Qnb0mQ wDFBIO51U4q/dxFqHm1MpggRzIeDyn/ZXBc2DcwiNAsksHBW4W4/Dli/K A==; X-IronPort-AV: E=Sophos;i="6.01,220,1684825200"; d="scan'208";a="225102735" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa5.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 20 Jul 2023 23:00:44 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Thu, 20 Jul 2023 23:00:43 -0700 Received: from localhost.localdomain (10.10.115.15) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.2507.21 via Frontend Transport; Thu, 20 Jul 2023 23:00:41 -0700 From: Raju Lakkaraju To: CC: , , , , , , Subject: [PATCH net-next 3/7] net: lan743x: Add SFP support check flag Date: Fri, 21 Jul 2023 11:30:15 +0530 Message-ID: <20230721060019.2737-4-Raju.Lakkaraju@microchip.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230721060019.2737-1-Raju.Lakkaraju@microchip.com> References: <20230721060019.2737-1-Raju.Lakkaraju@microchip.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" PCI11x1x chip support the Pluggable module (SFP) depend on Board requiremen= t. SFP support information programmed in EEPROM. Flag "is_sfp_support_en" update on "STRAP" register. Signed-off-by: Raju Lakkaraju --- drivers/net/ethernet/microchip/lan743x_main.c | 10 ++++++++++ drivers/net/ethernet/microchip/lan743x_main.h | 3 +++ 2 files changed, 13 insertions(+) diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/et= hernet/microchip/lan743x_main.c index e8dd272a591a..822576b088a9 100644 --- a/drivers/net/ethernet/microchip/lan743x_main.c +++ b/drivers/net/ethernet/microchip/lan743x_main.c @@ -52,6 +52,11 @@ static void pci11x1x_strap_get_status(struct lan743x_ada= pter *adapter) adapter->is_sgmii_en =3D true; else adapter->is_sgmii_en =3D false; + + if ((strap & STRAP_SFP_USE_EN_) && (strap & STRAP_SFP_EN_)) + adapter->is_sfp_support_en =3D true; + else + adapter->is_sfp_support_en =3D false; } else { chip_rev =3D lan743x_csr_read(adapter, FPGA_REV); if (chip_rev) { @@ -63,8 +68,12 @@ static void pci11x1x_strap_get_status(struct lan743x_ada= pter *adapter) adapter->is_sgmii_en =3D false; } } + netif_dbg(adapter, drv, adapter->netdev, "SGMII I/F %sable\n", adapter->is_sgmii_en ? "En" : "Dis"); + netif_dbg(adapter, drv, adapter->netdev, + "SFP support %sable\n", adapter->is_sfp_support_en ? + "En" : "Dis"); } =20 static bool is_pci11x1x_chip(struct lan743x_adapter *adapter) @@ -3408,6 +3417,7 @@ static int lan743x_pcidev_probe(struct pci_dev *pdev, NETIF_MSG_LINK | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN | NETIF_MSG_TX_QUEUED; netdev->max_mtu =3D LAN743X_MAX_FRAME_SIZE; + adapter->is_sfp_support_en =3D false; =20 of_get_mac_address(pdev->dev.of_node, adapter->mac_address); =20 diff --git a/drivers/net/ethernet/microchip/lan743x_main.h b/drivers/net/et= hernet/microchip/lan743x_main.h index 0cd3fe71dfad..3889bb20a524 100644 --- a/drivers/net/ethernet/microchip/lan743x_main.h +++ b/drivers/net/ethernet/microchip/lan743x_main.h @@ -34,6 +34,8 @@ =20 #define STRAP_READ (0x0C) #define STRAP_READ_USE_SGMII_EN_ BIT(22) +#define STRAP_SFP_USE_EN_ BIT(31) +#define STRAP_SFP_EN_ BIT(15) #define STRAP_READ_SGMII_EN_ BIT(6) #define STRAP_READ_SGMII_REFCLK_ BIT(5) #define STRAP_READ_SGMII_2_5G_ BIT(4) @@ -1038,6 +1040,7 @@ struct lan743x_adapter { u8 max_tx_channels; u8 used_tx_channels; u8 max_vector_count; + bool is_sfp_support_en; =20 #define LAN743X_ADAPTER_FLAG_OTP BIT(0) u32 flags; --=20 2.25.1