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[2620:137:e000::1:20]) by mx.google.com with ESMTP id e5-20020a1709062c0500b0078e15c30a6csi6276088ejh.559.2022.11.06.23.16.34; Sun, 06 Nov 2022 23:16:57 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@microchip.com header.s=mchp header.b=Em6zC7Uy; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=microchip.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230363AbiKGHPm (ORCPT + 99 others); Mon, 7 Nov 2022 02:15:42 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58416 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231146AbiKGHP1 (ORCPT ); Mon, 7 Nov 2022 02:15:27 -0500 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.153.233]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DDFD013D23; Sun, 6 Nov 2022 23:15:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1667805319; x=1699341319; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Sl/UlFRbpxcj5h6u33oYEDFn2aAVCNO7qWFey/KR9RI=; b=Em6zC7UyGrWMBMBL0vWWCF4x+cWxITQVotc0v5qUv6s5Zb7iLhN8rAM2 Dm9fseaqCJyIzGbVXzVZ8pYfjZFFxrW7r0Nv3Vdi/PPqmkkhBs7/fquee MGT9Rt68ONyV90WlxYnAR9Vshi7xyp31/sO0GKtT1z1G6ysTWXS+O3epN AvvK6sZHP2nnlNR6DYsUIAgrBujd1634BafwDKIYPB92hUWsrdVYwBf27 /KsUDqxK52aItQQA/uQWjDq6esUiEblTYC0qJWqzHje2dhDNOexW9zLzv KiXU1QmyYR9o2hmn6nASv610CPmy88jshXBJJvEGoD7XP77XEJnzk2fra Q==; X-IronPort-AV: E=Sophos;i="5.96,143,1665471600"; d="scan'208";a="187874939" Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa5.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 07 Nov 2022 00:15:18 -0700 Received: from chn-vm-ex02.mchp-main.com (10.10.87.72) by chn-vm-ex02.mchp-main.com (10.10.87.72) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.12; Mon, 7 Nov 2022 00:15:12 -0700 Received: from localhost.localdomain (10.10.115.15) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server id 15.1.2507.12 via Frontend Transport; Mon, 7 Nov 2022 00:15:08 -0700 From: Raju Lakkaraju To: CC: , , , , , , , , , , Subject: [PATCH net-next V7 2/2] net: lan743x: Add support to SGMII register dump for PCI11010/PCI11414 chips Date: Mon, 7 Nov 2022 12:44:50 +0530 Message-ID: <20221107071450.669700-3-Raju.Lakkaraju@microchip.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221107071450.669700-1-Raju.Lakkaraju@microchip.com> References: <20221107071450.669700-1-Raju.Lakkaraju@microchip.com> MIME-Version: 1.0 X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1748820733582227142?= X-GMAIL-MSGID: =?utf-8?q?1748820733582227142?= Add support to SGMII register dump Signed-off-by: Raju Lakkaraju --- Change List: ============ V5 -> V6: - Split change in two patches (i.e. unused argument in lan743x_common_regs change and SGMII register dump) - Fix the "ARRAY_SIZE" issue V4 -> V5: - Remove the debug read function macro - Add auto variable structure to handle register definitions V3 -> V4: - No changes. Patch on tags 6.1-rc1 V2 -> V3: - Remove the private flag option. As per review comment, use -w/-W to configure dump flag. But, change to -w/-W option, EEPROM/OTP data might be corrupt in case of wrong flag input. Need to fix this properly in future development. V1 -> V2: - Add set_dump and get_dump_flag functions V0 -> V1: - Removed unwanted code .../net/ethernet/microchip/lan743x_ethtool.c | 105 +++++++++++++++++- .../net/ethernet/microchip/lan743x_ethtool.h | 71 +++++++++++- drivers/net/ethernet/microchip/lan743x_main.c | 2 +- drivers/net/ethernet/microchip/lan743x_main.h | 1 + 4 files changed, 176 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/microchip/lan743x_ethtool.c b/drivers/net/ethernet/microchip/lan743x_ethtool.c index aa1d79a9a1f2..d96df107503c 100644 --- a/drivers/net/ethernet/microchip/lan743x_ethtool.c +++ b/drivers/net/ethernet/microchip/lan743x_ethtool.c @@ -1218,17 +1218,120 @@ static void lan743x_common_regs(struct net_device *dev, void *p) rb[ETH_WK_SRC] = lan743x_csr_read(adapter, MAC_WK_SRC); } +static void lan743x_sgmii_regs(struct net_device *dev, void *p) +{ + struct lan743x_adapter *adp = netdev_priv(dev); + u32 *rb = p; + u16 idx; + int val; + struct { + u8 id; + u8 dev; + u16 addr; + } regs[] = { + { ETH_SR_VSMMD_DEV_ID1, MDIO_MMD_VEND1, 0x0002}, + { ETH_SR_VSMMD_DEV_ID2, MDIO_MMD_VEND1, 0x0003}, + { ETH_SR_VSMMD_PCS_ID1, MDIO_MMD_VEND1, 0x0004}, + { ETH_SR_VSMMD_PCS_ID2, MDIO_MMD_VEND1, 0x0005}, + { ETH_SR_VSMMD_STS, MDIO_MMD_VEND1, 0x0008}, + { ETH_SR_VSMMD_CTRL, MDIO_MMD_VEND1, 0x0009}, + { ETH_SR_MII_CTRL, MDIO_MMD_VEND2, 0x0000}, + { ETH_SR_MII_STS, MDIO_MMD_VEND2, 0x0001}, + { ETH_SR_MII_DEV_ID1, MDIO_MMD_VEND2, 0x0002}, + { ETH_SR_MII_DEV_ID2, MDIO_MMD_VEND2, 0x0003}, + { ETH_SR_MII_AN_ADV, MDIO_MMD_VEND2, 0x0004}, + { ETH_SR_MII_LP_BABL, MDIO_MMD_VEND2, 0x0005}, + { ETH_SR_MII_EXPN, MDIO_MMD_VEND2, 0x0006}, + { ETH_SR_MII_EXT_STS, MDIO_MMD_VEND2, 0x000F}, + { ETH_SR_MII_TIME_SYNC_ABL, MDIO_MMD_VEND2, 0x0708}, + { ETH_SR_MII_TIME_SYNC_TX_MAX_DLY_LWR, MDIO_MMD_VEND2, 0x0709}, + { ETH_SR_MII_TIME_SYNC_TX_MAX_DLY_UPR, MDIO_MMD_VEND2, 0x070A}, + { ETH_SR_MII_TIME_SYNC_TX_MIN_DLY_LWR, MDIO_MMD_VEND2, 0x070B}, + { ETH_SR_MII_TIME_SYNC_TX_MIN_DLY_UPR, MDIO_MMD_VEND2, 0x070C}, + { ETH_SR_MII_TIME_SYNC_RX_MAX_DLY_LWR, MDIO_MMD_VEND2, 0x070D}, + { ETH_SR_MII_TIME_SYNC_RX_MAX_DLY_UPR, MDIO_MMD_VEND2, 0x070E}, + { ETH_SR_MII_TIME_SYNC_RX_MIN_DLY_LWR, MDIO_MMD_VEND2, 0x070F}, + { ETH_SR_MII_TIME_SYNC_RX_MIN_DLY_UPR, MDIO_MMD_VEND2, 0x0710}, + { ETH_VR_MII_DIG_CTRL1, MDIO_MMD_VEND2, 0x8000}, + { ETH_VR_MII_AN_CTRL, MDIO_MMD_VEND2, 0x8001}, + { ETH_VR_MII_AN_INTR_STS, MDIO_MMD_VEND2, 0x8002}, + { ETH_VR_MII_TC, MDIO_MMD_VEND2, 0x8003}, + { ETH_VR_MII_DBG_CTRL, MDIO_MMD_VEND2, 0x8005}, + { ETH_VR_MII_EEE_MCTRL0, MDIO_MMD_VEND2, 0x8006}, + { ETH_VR_MII_EEE_TXTIMER, MDIO_MMD_VEND2, 0x8008}, + { ETH_VR_MII_EEE_RXTIMER, MDIO_MMD_VEND2, 0x8009}, + { ETH_VR_MII_LINK_TIMER_CTRL, MDIO_MMD_VEND2, 0x800A}, + { ETH_VR_MII_EEE_MCTRL1, MDIO_MMD_VEND2, 0x800B}, + { ETH_VR_MII_DIG_STS, MDIO_MMD_VEND2, 0x8010}, + { ETH_VR_MII_ICG_ERRCNT1, MDIO_MMD_VEND2, 0x8011}, + { ETH_VR_MII_GPIO, MDIO_MMD_VEND2, 0x8015}, + { ETH_VR_MII_EEE_LPI_STATUS, MDIO_MMD_VEND2, 0x8016}, + { ETH_VR_MII_EEE_WKERR, MDIO_MMD_VEND2, 0x8017}, + { ETH_VR_MII_MISC_STS, MDIO_MMD_VEND2, 0x8018}, + { ETH_VR_MII_RX_LSTS, MDIO_MMD_VEND2, 0x8020}, + { ETH_VR_MII_GEN2_GEN4_TX_BSTCTRL0, MDIO_MMD_VEND2, 0x8038}, + { ETH_VR_MII_GEN2_GEN4_TX_LVLCTRL0, MDIO_MMD_VEND2, 0x803A}, + { ETH_VR_MII_GEN2_GEN4_TXGENCTRL0, MDIO_MMD_VEND2, 0x803C}, + { ETH_VR_MII_GEN2_GEN4_TXGENCTRL1, MDIO_MMD_VEND2, 0x803D}, + { ETH_VR_MII_GEN4_TXGENCTRL2, MDIO_MMD_VEND2, 0x803E}, + { ETH_VR_MII_GEN2_GEN4_TX_STS, MDIO_MMD_VEND2, 0x8048}, + { ETH_VR_MII_GEN2_GEN4_RXGENCTRL0, MDIO_MMD_VEND2, 0x8058}, + { ETH_VR_MII_GEN2_GEN4_RXGENCTRL1, MDIO_MMD_VEND2, 0x8059}, + { ETH_VR_MII_GEN4_RXEQ_CTRL, MDIO_MMD_VEND2, 0x805B}, + { ETH_VR_MII_GEN4_RXLOS_CTRL0, MDIO_MMD_VEND2, 0x805D}, + { ETH_VR_MII_GEN2_GEN4_MPLL_CTRL0, MDIO_MMD_VEND2, 0x8078}, + { ETH_VR_MII_GEN2_GEN4_MPLL_CTRL1, MDIO_MMD_VEND2, 0x8079}, + { ETH_VR_MII_GEN2_GEN4_MPLL_STS, MDIO_MMD_VEND2, 0x8088}, + { ETH_VR_MII_GEN2_GEN4_LVL_CTRL, MDIO_MMD_VEND2, 0x8090}, + { ETH_VR_MII_GEN4_MISC_CTRL2, MDIO_MMD_VEND2, 0x8093}, + { ETH_VR_MII_GEN2_GEN4_MISC_CTRL0, MDIO_MMD_VEND2, 0x8099}, + { ETH_VR_MII_GEN2_GEN4_MISC_CTRL1, MDIO_MMD_VEND2, 0x809A}, + { ETH_VR_MII_SNPS_CR_CTRL, MDIO_MMD_VEND2, 0x80A0}, + { ETH_VR_MII_SNPS_CR_ADDR, MDIO_MMD_VEND2, 0x80A1}, + { ETH_VR_MII_SNPS_CR_DATA, MDIO_MMD_VEND2, 0x80A2}, + { ETH_VR_MII_DIG_CTRL2, MDIO_MMD_VEND2, 0x80E1}, + { ETH_VR_MII_DIG_ERRCNT, MDIO_MMD_VEND2, 0x80E2}, + }; + + for (idx = 0; idx < ARRAY_SIZE(regs); idx++) { + val = lan743x_sgmii_read(adp, regs[idx].dev, regs[idx].addr); + if (val < 0) + rb[regs[idx].id] = 0xFFFF; + else + rb[regs[idx].id] = val; + } +} + static int lan743x_get_regs_len(struct net_device *dev) { - return MAX_LAN743X_ETH_REGS * sizeof(u32); + struct lan743x_adapter *adapter = netdev_priv(dev); + u32 num_regs = MAX_LAN743X_ETH_COMMON_REGS; + + if (adapter->is_sgmii_en) + num_regs += MAX_LAN743X_ETH_SGMII_REGS; + + return num_regs * sizeof(u32); } static void lan743x_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *p) { + struct lan743x_adapter *adapter = netdev_priv(dev); + int regs_len; + + regs_len = lan743x_get_regs_len(dev); + memset(p, 0, regs_len); + regs->version = LAN743X_ETH_REG_VERSION; + regs->len = regs_len; lan743x_common_regs(dev, p); + p = (u32 *)p + MAX_LAN743X_ETH_COMMON_REGS; + + if (adapter->is_sgmii_en) { + lan743x_sgmii_regs(dev, p); + p = (u32 *)p + MAX_LAN743X_ETH_SGMII_REGS; + } } static void lan743x_get_pauseparam(struct net_device *dev, diff --git a/drivers/net/ethernet/microchip/lan743x_ethtool.h b/drivers/net/ethernet/microchip/lan743x_ethtool.h index 7f5996a52488..267d5035b8ad 100644 --- a/drivers/net/ethernet/microchip/lan743x_ethtool.h +++ b/drivers/net/ethernet/microchip/lan743x_ethtool.h @@ -29,7 +29,76 @@ enum { ETH_WK_SRC, /* Add new registers above */ - MAX_LAN743X_ETH_REGS + MAX_LAN743X_ETH_COMMON_REGS +}; + +enum { + /* SGMII Register */ + ETH_SR_VSMMD_DEV_ID1, + ETH_SR_VSMMD_DEV_ID2, + ETH_SR_VSMMD_PCS_ID1, + ETH_SR_VSMMD_PCS_ID2, + ETH_SR_VSMMD_STS, + ETH_SR_VSMMD_CTRL, + ETH_SR_MII_CTRL, + ETH_SR_MII_STS, + ETH_SR_MII_DEV_ID1, + ETH_SR_MII_DEV_ID2, + ETH_SR_MII_AN_ADV, + ETH_SR_MII_LP_BABL, + ETH_SR_MII_EXPN, + ETH_SR_MII_EXT_STS, + ETH_SR_MII_TIME_SYNC_ABL, + ETH_SR_MII_TIME_SYNC_TX_MAX_DLY_LWR, + ETH_SR_MII_TIME_SYNC_TX_MAX_DLY_UPR, + ETH_SR_MII_TIME_SYNC_TX_MIN_DLY_LWR, + ETH_SR_MII_TIME_SYNC_TX_MIN_DLY_UPR, + ETH_SR_MII_TIME_SYNC_RX_MAX_DLY_LWR, + ETH_SR_MII_TIME_SYNC_RX_MAX_DLY_UPR, + ETH_SR_MII_TIME_SYNC_RX_MIN_DLY_LWR, + ETH_SR_MII_TIME_SYNC_RX_MIN_DLY_UPR, + ETH_VR_MII_DIG_CTRL1, + ETH_VR_MII_AN_CTRL, + ETH_VR_MII_AN_INTR_STS, + ETH_VR_MII_TC, + ETH_VR_MII_DBG_CTRL, + ETH_VR_MII_EEE_MCTRL0, + ETH_VR_MII_EEE_TXTIMER, + ETH_VR_MII_EEE_RXTIMER, + ETH_VR_MII_LINK_TIMER_CTRL, + ETH_VR_MII_EEE_MCTRL1, + ETH_VR_MII_DIG_STS, + ETH_VR_MII_ICG_ERRCNT1, + ETH_VR_MII_GPIO, + ETH_VR_MII_EEE_LPI_STATUS, + ETH_VR_MII_EEE_WKERR, + ETH_VR_MII_MISC_STS, + ETH_VR_MII_RX_LSTS, + ETH_VR_MII_GEN2_GEN4_TX_BSTCTRL0, + ETH_VR_MII_GEN2_GEN4_TX_LVLCTRL0, + ETH_VR_MII_GEN2_GEN4_TXGENCTRL0, + ETH_VR_MII_GEN2_GEN4_TXGENCTRL1, + ETH_VR_MII_GEN4_TXGENCTRL2, + ETH_VR_MII_GEN2_GEN4_TX_STS, + ETH_VR_MII_GEN2_GEN4_RXGENCTRL0, + ETH_VR_MII_GEN2_GEN4_RXGENCTRL1, + ETH_VR_MII_GEN4_RXEQ_CTRL, + ETH_VR_MII_GEN4_RXLOS_CTRL0, + ETH_VR_MII_GEN2_GEN4_MPLL_CTRL0, + ETH_VR_MII_GEN2_GEN4_MPLL_CTRL1, + ETH_VR_MII_GEN2_GEN4_MPLL_STS, + ETH_VR_MII_GEN2_GEN4_LVL_CTRL, + ETH_VR_MII_GEN4_MISC_CTRL2, + ETH_VR_MII_GEN2_GEN4_MISC_CTRL0, + ETH_VR_MII_GEN2_GEN4_MISC_CTRL1, + ETH_VR_MII_SNPS_CR_CTRL, + ETH_VR_MII_SNPS_CR_ADDR, + ETH_VR_MII_SNPS_CR_DATA, + ETH_VR_MII_DIG_CTRL2, + ETH_VR_MII_DIG_ERRCNT, + + /* Add new registers above */ + MAX_LAN743X_ETH_SGMII_REGS }; extern const struct ethtool_ops lan743x_ethtool_ops; diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c index c0f8ba601c01..534840f9a7ca 100644 --- a/drivers/net/ethernet/microchip/lan743x_main.c +++ b/drivers/net/ethernet/microchip/lan743x_main.c @@ -939,7 +939,7 @@ static int lan743x_sgmii_wait_till_not_busy(struct lan743x_adapter *adapter) return ret; } -static int lan743x_sgmii_read(struct lan743x_adapter *adapter, u8 mmd, u16 addr) +int lan743x_sgmii_read(struct lan743x_adapter *adapter, u8 mmd, u16 addr) { u32 mmd_access; int ret; diff --git a/drivers/net/ethernet/microchip/lan743x_main.h b/drivers/net/ethernet/microchip/lan743x_main.h index bc5eea4c7b40..8438c3dbcf36 100644 --- a/drivers/net/ethernet/microchip/lan743x_main.h +++ b/drivers/net/ethernet/microchip/lan743x_main.h @@ -1161,5 +1161,6 @@ int lan743x_hs_syslock_acquire(struct lan743x_adapter *adapter, u16 timeout); void lan743x_hs_syslock_release(struct lan743x_adapter *adapter); void lan743x_mac_flow_ctrl_set_enables(struct lan743x_adapter *adapter, bool tx_enable, bool rx_enable); +int lan743x_sgmii_read(struct lan743x_adapter *adapter, u8 mmd, u16 addr); #endif /* _LAN743X_H */