[PATCH net-next v4 11/11] stmmac: intel: interface switching support for ADL-N platform

Choong Yong Liang
2024-01-29T13:06:43Z

'intel_get_pcs_neg_mode' and 'intel_config_serdes' was provided to
handle interface mode change for ADL-S platform.

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

Signed-off-by: Michael Sit Wei Hong <michael.wei.hong.sit@intel.com>
Signed-off-by: Choong Yong Liang <yong.liang.choong@linux.intel.com>
---
.../net/ethernet/stmicro/stmmac/dwmac-intel.c | 49 ++++++++++++++++++-
.../net/ethernet/stmicro/stmmac/dwmac-intel.h | 2 +
2 files changed, 50 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
index fd9d56b7c511..f54595d156fb 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
@@ -992,6 +992,53 @@ static int adls_sgmii_phy1_data(struct pci_dev *pdev,
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;
+ plat->get_pcs_neg_mode = intel_get_pcs_neg_mode;
+ 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 = {
+ .setup = adln_sgmii_phy0_data,
+};
+
static const struct stmmac_pci_func_data galileo_stmmac_func_data[] = {
{
.func = 6,
@@ -1374,7 +1421,7 @@ static const struct pci_device_id intel_eth_pci_id_table[] = {
{ PCI_DEVICE_DATA(INTEL, TGLH_SGMII1G_1, &tgl_sgmii1g_phy1_info) },
{ PCI_DEVICE_DATA(INTEL, ADLS_SGMII1G_0, &adls_sgmii1g_phy0_info) },
{ PCI_DEVICE_DATA(INTEL, ADLS_SGMII1G_1, &adls_sgmii1g_phy1_info) },
- { PCI_DEVICE_DATA(INTEL, ADLN_SGMII1G, &tgl_sgmii1g_phy0_info) },
+ { PCI_DEVICE_DATA(INTEL, ADLN_SGMII1G, &adln_sgmii1g_phy0_info) },
{ PCI_DEVICE_DATA(INTEL, RPLP_SGMII1G, &tgl_sgmii1g_phy0_info) },
{}
};
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.h b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.h
index 093eed977ab0..2c6b50958988 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_IPC */

--
2.34.1