netdev - [PATCH net-next v5 8/9] stmmac: intel: interface switching support for EHL platform

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20240215030500.3067426-9-yong.liang.choong@linux.intel.com>
Date: Thu, 15 Feb 2024 11:04:58 +0800
From: Choong Yong Liang <yong.liang.choong@...ux.intel.com>
To: Rajneesh Bhardwaj <irenic.rajneesh@...il.com>,
	David E Box <david.e.box@...ux.intel.com>,
	Hans de Goede <hdegoede@...hat.com>,
	Mark Gross <markgross@...nel.org>,
	Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Jose Abreu <Jose.Abreu@...opsys.com>,
	"David S . Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Richard Cochran <richardcochran@...il.com>,
	Russell King <linux@...linux.org.uk>,
	Alexei Starovoitov <ast@...nel.org>,
	Daniel Borkmann <daniel@...earbox.net>,
	Jesper Dangaard Brouer <hawk@...nel.org>,
	John Fastabend <john.fastabend@...il.com>,
	Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Philipp Zabel <p.zabel@...gutronix.de>
Cc: Andrew Halaney <ahalaney@...hat.com>,
	Serge Semin <fancer.lancer@...il.com>,
	netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-stm32@...md-mailman.stormreply.com,
	linux-arm-kernel@...ts.infradead.org,
	platform-driver-x86@...r.kernel.org,
	linux-hwmon@...r.kernel.org,
	bpf@...r.kernel.org,
	Voon Wei Feng <weifeng.voon@...el.com>,
	Michael Sit Wei Hong <michael.wei.hong.sit@...el.com>,
	Lai Peter Jun Ann <jun.ann.lai@...el.com>,
	Abdul Rahim Faizal <faizal.abdul.rahim@...el.com>
Subject: [PATCH net-next v5 8/9] stmmac: intel: interface switching support for EHL platform

'intel_get_pcs_neg_mode' and 'intel_config_serdes' was provided to
handle interface mode change for EHL platform.

Modphy register lane was provided to configure serdes on interface
mode changing.

Signed-off-by: Choong Yong Liang <yong.liang.choong@...ux.intel.com>
---
 .../net/ethernet/stmicro/stmmac/dwmac-intel.c | 21 +++++++++++++++++--
 .../net/ethernet/stmicro/stmmac/dwmac-intel.h |  4 ++++
 2 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
index 74cc0aa96faf..c79d8e3c3b24 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
@@ -759,6 +759,8 @@ static int intel_mgbe_common_data(struct pci_dev *pdev,
 static int ehl_common_data(struct pci_dev *pdev,
 			   struct plat_stmmacenet_data *plat)
 {
+	struct intel_priv_data *intel_priv = plat->bsp_priv;
+
 	plat->rx_queues_to_use = 8;
 	plat->tx_queues_to_use = 8;
 	plat->flags |= STMMAC_FLAG_USE_PHY_WOL;
@@ -774,21 +776,28 @@ static int ehl_common_data(struct pci_dev *pdev,
 	plat->safety_feat_cfg->prtyen = 0;
 	plat->safety_feat_cfg->tmouten = 0;
 
+	intel_priv->tsn_lane_registers = ehl_tsn_lane_registers;
+	intel_priv->max_tsn_lane_registers = ARRAY_SIZE(ehl_tsn_lane_registers);
+
 	return intel_mgbe_common_data(pdev, plat);
 }
 
 static int ehl_sgmii_data(struct pci_dev *pdev,
 			  struct plat_stmmacenet_data *plat)
 {
+	struct intel_priv_data *intel_priv = plat->bsp_priv;
+
 	plat->bus_id = 1;
 	plat->phy_interface = PHY_INTERFACE_MODE_SGMII;
-	plat->speed_mode_2500 = intel_speed_mode_2500;
+	plat->max_speed = SPEED_2500;
 	plat->serdes_powerup = intel_serdes_powerup;
 	plat->serdes_powerdown = intel_serdes_powerdown;
 	plat->get_pcs_neg_mode = intel_get_pcs_neg_mode;
 	plat->config_serdes = intel_config_serdes;
 	plat->clk_ptp_rate = 204800000;
 
+	intel_priv->pid_modphy = PID_MODPHY3;
+
 	return ehl_common_data(pdev, plat);
 }
 
@@ -841,12 +850,16 @@ static struct stmmac_pci_info ehl_pse0_rgmii1g_info = {
 static int ehl_pse0_sgmii1g_data(struct pci_dev *pdev,
 				 struct plat_stmmacenet_data *plat)
 {
+	struct intel_priv_data *intel_priv = plat->bsp_priv;
+
 	plat->phy_interface = PHY_INTERFACE_MODE_SGMII;
-	plat->speed_mode_2500 = intel_speed_mode_2500;
+	plat->max_speed = SPEED_2500;
 	plat->serdes_powerup = intel_serdes_powerup;
 	plat->serdes_powerdown = intel_serdes_powerdown;
 	plat->get_pcs_neg_mode = intel_get_pcs_neg_mode;
 	plat->config_serdes = intel_config_serdes;
+	intel_priv->pid_modphy = PID_MODPHY1;
+
 	return ehl_pse0_common_data(pdev, plat);
 }
 
@@ -884,12 +897,16 @@ static struct stmmac_pci_info ehl_pse1_rgmii1g_info = {
 static int ehl_pse1_sgmii1g_data(struct pci_dev *pdev,
 				 struct plat_stmmacenet_data *plat)
 {
+	struct intel_priv_data *intel_priv = plat->bsp_priv;
+
 	plat->phy_interface = PHY_INTERFACE_MODE_SGMII;
 	plat->speed_mode_2500 = intel_speed_mode_2500;
 	plat->serdes_powerup = intel_serdes_powerup;
 	plat->serdes_powerdown = intel_serdes_powerdown;
 	plat->get_pcs_neg_mode = intel_get_pcs_neg_mode;
 	plat->config_serdes = intel_config_serdes;
+	intel_priv->pid_modphy = PID_MODPHY1;
+
 	return ehl_pse1_common_data(pdev, plat);
 }
 
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.h b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.h
index 79c35ba969ea..093eed977ab0 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.h
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.h
@@ -123,6 +123,10 @@ static const struct pmc_serdes_regs pid_modphy1_2p5g_regs[] = {
 	{ PID_MODPHY1_N_MODPHY_PCR_CMN_ANA_DWORD30,	N_MODPHY_PCR_CMN_ANA_DWORD30_2P5G },
 	{}
 };
+
+static const int ehl_tsn_lane_registers[] = {7, 8, 9, 10, 11};
+#else
+static const int ehl_tsn_lane_registers[] = {};
 #endif /* CONFIG_INTEL_PMC_IPC */
 
 #endif /* __DWMAC_INTEL_H__ */
-- 
2.34.1