From patchwork Wed Aug 23 06:19:33 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiawen Wu X-Patchwork-Id: 13361668 X-Patchwork-Delegate: kuba@kernel.org Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3D67620F16 for ; Wed, 23 Aug 2023 06:10:50 +0000 (UTC) Received: from smtpbgau2.qq.com (smtpbgau2.qq.com [54.206.34.216]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 54175CF1 for ; Tue, 22 Aug 2023 23:10:48 -0700 (PDT) X-QQ-mid: bizesmtp73t1692770856twrqippu Received: from wxdbg.localdomain.com ( [60.177.96.113]) by bizesmtp.qq.com (ESMTP) with id ; Wed, 23 Aug 2023 14:07:35 +0800 (CST) X-QQ-SSF: 01400000000000K0Z000000A0000000 X-QQ-FEAT: bhet8yMU7vnQalcTub9pSGX8vh1/KYHCFLby6OxMTwYUqa3SKYsd2hCi07UdC hq+MlJXBk7CehDoRP8zgm9WhNPDHKGzv2kBelBZM2N77CJP7OA0/sdlPIFl3ryyzPCcoj2u d5fyCWJBpXfxURT7haLCG++UCOA8/ODW7MtlLKYL2KKIOD1nQmj/izLTVLZ7jAPr9ICHi04 zAeURZTo45X861BULcC6G4Fb1xqYY+DsJnFmnrKOpMb6Gj7tUmR6+NhO4rJTTvk2kxch52U kgfz+Nck5G/UV1GL+YoLCUwldYdSBUKsuAP93wjofgPmRFSWIJ0vdV4f5jGiVvBsgA8p7ow Pd8mIhbJmzupBoMMlsCLz6qHpxf6ydxh8wgM+qZDYzFAnQdiEzytq07HVDAYEfvi0pyO4hj f2WGRNUJH4M= X-QQ-GoodBg: 2 X-BIZMAIL-ID: 5930406382509453443 From: Jiawen Wu To: netdev@vger.kernel.org, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, andrew@lunn.ch, hkallweit1@gmail.com, linux@armlinux.org.uk, Jose.Abreu@synopsys.com, rmk+kernel@armlinux.org.uk Cc: mengyuanlou@net-swift.com, Jiawen Wu Subject: [PATCH net-next v3 6/8] net: txgbe: support switching mode to 1000BASE-X and SGMII Date: Wed, 23 Aug 2023 14:19:33 +0800 Message-Id: <20230823061935.415804-7-jiawenwu@trustnetic.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20230823061935.415804-1-jiawenwu@trustnetic.com> References: <20230823061935.415804-1-jiawenwu@trustnetic.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:trustnetic.com:qybglogicsvrgz:qybglogicsvrgz5a-1 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL, SPF_HELO_PASS,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net X-Patchwork-Delegate: kuba@kernel.org Disable data path before PCS VR reset while switching PCS mode, to prevent the blocking of data path. Enable AN interrupt for CL37 auto-negotiation. Signed-off-by: Jiawen Wu --- drivers/net/ethernet/wangxun/libwx/wx_type.h | 2 ++ drivers/net/ethernet/wangxun/txgbe/txgbe_hw.c | 28 +++++++++++++++++ drivers/net/ethernet/wangxun/txgbe/txgbe_hw.h | 2 ++ .../net/ethernet/wangxun/txgbe/txgbe_phy.c | 30 ++++++++++++++++++- 4 files changed, 61 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/wangxun/libwx/wx_type.h b/drivers/net/ethernet/wangxun/libwx/wx_type.h index 1de88a33a698..50b92cfb46a0 100644 --- a/drivers/net/ethernet/wangxun/libwx/wx_type.h +++ b/drivers/net/ethernet/wangxun/libwx/wx_type.h @@ -205,6 +205,8 @@ #define WX_TSC_CTL 0x1D000 #define WX_TSC_CTL_TX_DIS BIT(1) #define WX_TSC_CTL_TSEC_DIS BIT(0) +#define WX_TSC_ST 0x1D004 +#define WX_TSC_ST_SECTX_RDY BIT(0) #define WX_TSC_BUF_AE 0x1D00C #define WX_TSC_BUF_AE_THR GENMASK(9, 0) diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_hw.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_hw.c index 6e130d1f7a7b..90168aab11ae 100644 --- a/drivers/net/ethernet/wangxun/txgbe/txgbe_hw.c +++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_hw.c @@ -13,6 +13,34 @@ #include "txgbe_type.h" #include "txgbe_hw.h" +/** + * txgbe_disable_sec_tx_path - Stops the transmit data path + * @wx: pointer to hardware structure + * + * Stops the transmit data path and waits for the HW to internally empty + * the tx security block + **/ +int txgbe_disable_sec_tx_path(struct wx *wx) +{ + int val; + + wr32m(wx, WX_TSC_CTL, WX_TSC_CTL_TX_DIS, WX_TSC_CTL_TX_DIS); + return read_poll_timeout(rd32, val, val & WX_TSC_ST_SECTX_RDY, + 1000, 20000, false, wx, WX_TSC_ST); +} + +/** + * txgbe_enable_sec_tx_path - Enables the transmit data path + * @wx: pointer to hardware structure + * + * Enables the transmit data path. + **/ +void txgbe_enable_sec_tx_path(struct wx *wx) +{ + wr32m(wx, WX_TSC_CTL, WX_TSC_CTL_TX_DIS, 0); + WX_WRITE_FLUSH(wx); +} + /** * txgbe_init_thermal_sensor_thresh - Inits thermal sensor thresholds * @wx: pointer to hardware structure diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_hw.h b/drivers/net/ethernet/wangxun/txgbe/txgbe_hw.h index e82f65dff8a6..abc729eb187a 100644 --- a/drivers/net/ethernet/wangxun/txgbe/txgbe_hw.h +++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_hw.h @@ -4,6 +4,8 @@ #ifndef _TXGBE_HW_H_ #define _TXGBE_HW_H_ +int txgbe_disable_sec_tx_path(struct wx *wx); +void txgbe_enable_sec_tx_path(struct wx *wx); int txgbe_read_pba_string(struct wx *wx, u8 *pba_num, u32 pba_num_size); int txgbe_validate_eeprom_checksum(struct wx *wx, u16 *checksum_val); int txgbe_reset_hw(struct wx *wx); diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c index 819d1db34643..d2124547394d 100644 --- a/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c +++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c @@ -18,6 +18,7 @@ #include "../libwx/wx_hw.h" #include "txgbe_type.h" #include "txgbe_phy.h" +#include "txgbe_hw.h" static int txgbe_swnodes_register(struct txgbe *txgbe) { @@ -210,8 +211,32 @@ static void txgbe_mac_link_up(struct phylink_config *config, wr32(wx, WX_MAC_WDG_TIMEOUT, wdg); } +static int txgbe_mac_prepare(struct phylink_config *config, unsigned int mode, + phy_interface_t interface) +{ + struct wx *wx = netdev_priv(to_net_dev(config->dev)); + + wr32m(wx, WX_MAC_TX_CFG, WX_MAC_TX_CFG_TE, 0); + wr32m(wx, WX_MAC_RX_CFG, WX_MAC_RX_CFG_RE, 0); + + return txgbe_disable_sec_tx_path(wx); +} + +static int txgbe_mac_finish(struct phylink_config *config, unsigned int mode, + phy_interface_t interface) +{ + struct wx *wx = netdev_priv(to_net_dev(config->dev)); + + txgbe_enable_sec_tx_path(wx); + wr32m(wx, WX_MAC_RX_CFG, WX_MAC_RX_CFG_RE, WX_MAC_RX_CFG_RE); + + return 0; +} + static const struct phylink_mac_ops txgbe_mac_ops = { .mac_select_pcs = txgbe_phylink_mac_select, + .mac_prepare = txgbe_mac_prepare, + .mac_finish = txgbe_mac_finish, .mac_config = txgbe_mac_config, .mac_link_down = txgbe_mac_link_down, .mac_link_up = txgbe_mac_link_up, @@ -234,6 +259,8 @@ static int txgbe_phylink_init(struct txgbe *txgbe) config->mac_capabilities = MAC_10000FD | MAC_1000FD | MAC_SYM_PAUSE | MAC_ASYM_PAUSE; phy_mode = PHY_INTERFACE_MODE_10GBASER; __set_bit(PHY_INTERFACE_MODE_10GBASER, config->supported_interfaces); + __set_bit(PHY_INTERFACE_MODE_1000BASEX, config->supported_interfaces); + __set_bit(PHY_INTERFACE_MODE_SGMII, config->supported_interfaces); fwnode = software_node_fwnode(txgbe->nodes.group[SWNODE_PHYLINK]); phylink = phylink_create(config, fwnode, phy_mode, &txgbe_mac_ops); if (IS_ERR(phylink)) @@ -431,7 +458,8 @@ static void txgbe_irq_handler(struct irq_desc *desc) chained_irq_exit(chip, desc); - if (eicr & (TXGBE_PX_MISC_ETH_LK | TXGBE_PX_MISC_ETH_LKDN)) { + if (eicr & (TXGBE_PX_MISC_ETH_LK | TXGBE_PX_MISC_ETH_LKDN | + TXGBE_PX_MISC_ETH_AN)) { u32 reg = rd32(wx, TXGBE_CFG_PORT_ST); phylink_mac_change(txgbe->phylink, !!(reg & TXGBE_CFG_PORT_ST_LINK_UP));