linux-kernel - [PATCH net-next 6/6] net: stmmac: Add 1G/2.5G auto-negotiation support for ADL-N

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Date:   Thu, 22 Jun 2023 12:19:05 +0800
From:   Choong Yong Liang <yong.liang.choong@...ux.intel.com>
To:     Rajneesh Bhardwaj <irenic.rajneesh@...il.com>,
        David E Box <david.e.box@...el.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Mark Gross <markgross@...nel.org>,
        Jose Abreu <Jose.Abreu@...opsys.com>,
        Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Marek Behún <kabel@...nel.org>,
        Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Richard Cochran <richardcochran@...il.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        John Fastabend <john.fastabend@...il.com>,
        Wong Vee Khee <veekhee@...le.com>,
        Jon Hunter <jonathanh@...dia.com>,
        Jesse Brandeburg <jesse.brandeburg@...el.com>,
        Revanth Kumar Uppala <ruppala@...dia.com>,
        Shenwei Wang <shenwei.wang@....com>,
        Andrey Konovalov <andrey.konovalov@...aro.org>,
        Jochen Henneberg <jh@...neberg-systemdesign.com>
Cc:     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>,
        Tan@...r.kernel.org, Tee Min <tee.min.tan@...ux.intel.com>,
        Michael Sit Wei Hong <michael.wei.hong.sit@...el.com>,
        Lai Peter Jun Ann <jun.ann.lai@...el.com>
Subject: [PATCH net-next 6/6] net: stmmac: Add 1G/2.5G auto-negotiation support for ADL-N

Add modphy register lane to have 1G/2.5G auto-negotiation support for
ADL-N.

Signed-off-by: Choong Yong Liang <yong.liang.choong@...ux.intel.com>
---
 .../net/ethernet/stmicro/stmmac/dwmac-intel.c | 34 ++++++++++++++++++-
 .../net/ethernet/stmicro/stmmac/dwmac-intel.h |  2 ++
 2 files changed, 35 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
index 1ffa03451d26..024f436b276e 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
@@ -963,14 +963,46 @@ static struct stmmac_pci_info adls_sgmii1g_phy1_info = {
 	.setup = adls_sgmii_phy1_data,
 };
 
+static int adln_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 = 6;
+	plat->tx_queues_to_use = 4;
+	plat->clk_ptp_rate = 204800000;
+
+	plat->safety_feat_cfg->tsoee = 1;
+	plat->safety_feat_cfg->mrxpee = 0;
+	plat->safety_feat_cfg->mestee = 1;
+	plat->safety_feat_cfg->mrxee = 1;
+	plat->safety_feat_cfg->mtxee = 1;
+	plat->safety_feat_cfg->epsi = 0;
+	plat->safety_feat_cfg->edpp = 0;
+	plat->safety_feat_cfg->prtyen = 0;
+	plat->safety_feat_cfg->tmouten = 0;
+
+	intel_priv->tsn_lane_registers = adln_tsn_lane_registers;
+	intel_priv->max_tsn_lane_registers = ARRAY_SIZE(adln_tsn_lane_registers);
+
+	return intel_mgbe_common_data(pdev, plat);
+}
+
 static int adln_sgmii_phy0_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->max_speed = SPEED_2500;
 	plat->serdes_powerup = intel_serdes_powerup;
 	plat->serdes_powerdown = intel_serdes_powerdown;
-	return tgl_common_data(pdev, plat);
+	plat->config_serdes = intel_config_serdes;
+
+	intel_priv->pid_modphy = PID_MODPHY1;
+
+	return adln_common_data(pdev, plat);
 }
 
 static struct stmmac_pci_info adln_sgmii1g_phy0_info = {
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.h b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.h
index 75a336cf8af1..349c160c17b3 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.h
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.h
@@ -124,8 +124,10 @@ static const struct pmc_serdes_regs pid_modphy1_2p5g_regs[] = {
 	{}
 };
 
+static const int adln_tsn_lane_registers[] = {6};
 static const int ehl_tsn_lane_registers[] = {7, 8, 9, 10, 11};
 #else
+static const int adln_tsn_lane_registers[] = {};
 static const int ehl_tsn_lane_registers[] = {};
 #endif /* CONFIG_INTEL_PMC_CORE */
 
-- 
2.25.1