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Add support for 2500base-X only configuration. Co-developed-by: Harini Katakam Signed-off-by: Harini Katakam Signed-off-by: Suraj Gupta --- drivers/net/ethernet/xilinx/xilinx_axienet.h | 2 +- .../net/ethernet/xilinx/xilinx_axienet_main.c | 24 +++++++++++++++---- 2 files changed, 20 insertions(+), 6 deletions(-) diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet.h b/drivers/net/eth= ernet/xilinx/xilinx_axienet.h index 5ff742103beb..ded3e32999d5 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet.h +++ b/drivers/net/ethernet/xilinx/xilinx_axienet.h @@ -274,7 +274,7 @@ #define XAE_EMMC_RX16BIT 0x01000000 /* 16 bit Rx client enable */ #define XAE_EMMC_LINKSPD_10 0x00000000 /* Link Speed mask for 10 Mbit */ #define XAE_EMMC_LINKSPD_100 0x40000000 /* Link Speed mask for 100 Mbit */ -#define XAE_EMMC_LINKSPD_1000 0x80000000 /* Link Speed mask for 1000 Mbit = */ +#define XAE_EMMC_LINKSPD_1000_2500 0x80000000 /* Link Speed mask for 1000 = or 2500 Mbit */ =20 /* Bit masks for Axi Ethernet PHYC register */ #define XAE_PHYC_SGMIILINKSPEED_MASK 0xC0000000 /* SGMII link speed mask*/ diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/ne= t/ethernet/xilinx/xilinx_axienet_main.c index 054abf283ab3..0885ce201b0a 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c @@ -2583,6 +2583,7 @@ static struct phylink_pcs *axienet_mac_select_pcs(str= uct phylink_config *config, struct axienet_local *lp =3D netdev_priv(ndev); =20 if (interface =3D=3D PHY_INTERFACE_MODE_1000BASEX || + interface =3D=3D PHY_INTERFACE_MODE_2500BASEX || interface =3D=3D PHY_INTERFACE_MODE_SGMII) return &lp->pcs; =20 @@ -2616,8 +2617,9 @@ static void axienet_mac_link_up(struct phylink_config= *config, emmc_reg &=3D ~XAE_EMMC_LINKSPEED_MASK; =20 switch (speed) { + case SPEED_2500: case SPEED_1000: - emmc_reg |=3D XAE_EMMC_LINKSPD_1000; + emmc_reg |=3D XAE_EMMC_LINKSPD_1000_2500; break; case SPEED_100: emmc_reg |=3D XAE_EMMC_LINKSPD_100; @@ -2627,7 +2629,7 @@ static void axienet_mac_link_up(struct phylink_config= *config, break; default: dev_err(&ndev->dev, - "Speed other than 10, 100 or 1Gbps is not supported\n"); + "Speed other than 10, 100, 1Gbps or 2.5Gbps is not supported\n"); break; } =20 @@ -3055,7 +3057,8 @@ static int axienet_probe(struct platform_device *pdev) "error registering MDIO bus: %d\n", ret); =20 if (lp->phy_mode =3D=3D PHY_INTERFACE_MODE_SGMII || - lp->phy_mode =3D=3D PHY_INTERFACE_MODE_1000BASEX) { + lp->phy_mode =3D=3D PHY_INTERFACE_MODE_1000BASEX || + lp->phy_mode =3D=3D PHY_INTERFACE_MODE_2500BASEX) { np =3D of_parse_phandle(pdev->dev.of_node, "pcs-handle", 0); if (!np) { /* Deprecated: Always use "pcs-handle" for pcs_phy. @@ -3083,8 +3086,19 @@ static int axienet_probe(struct platform_device *pde= v) lp->phylink_config.dev =3D &ndev->dev; lp->phylink_config.type =3D PHYLINK_NETDEV; lp->phylink_config.mac_managed_pm =3D true; - lp->phylink_config.mac_capabilities =3D MAC_SYM_PAUSE | MAC_ASYM_PAUSE | - MAC_10FD | MAC_100FD | MAC_1000FD; + lp->phylink_config.mac_capabilities =3D MAC_SYM_PAUSE | MAC_ASYM_PAUSE; + + /* AXI 1G/2.5G ethernet IP has following synthesis options: + * 1) SGMII/1000base-X only. + * 2) 2500base-X only. + * 3) Dynamically switching between (1) and (2), and is not + * implemented in driver. + */ + + if (axienet_ior(lp, XAE_ABILITY_OFFSET) & XAE_ABILITY_2_5G) + lp->phylink_config.mac_capabilities |=3D MAC_2500FD; + else + lp->phylink_config.mac_capabilities |=3D MAC_10FD | MAC_100FD | MAC_1000= FD; =20 __set_bit(lp->phy_mode, lp->phylink_config.supported_interfaces); if (lp->switch_x_sgmii) { --=20 2.25.1