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net: mvpp2: initialize the XLG MAC when using a port
This adds a routine to initialize the XLG MAC at the port level when using a port and the XAUI/10GKR interface mode. This wasn't done until this commit, and the mvpp2 driver was relying on the bootloader/firmware initialization. This doesn't mean everything is configured in the mvpp2 driver now, but it helps reducing the gap. Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com> Tested-by: Marcin Wojtas <mw@semihalf.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -361,6 +361,7 @@
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#define MVPP22_XLG_CTRL0_REG 0x100
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#define MVPP22_XLG_CTRL0_PORT_EN BIT(0)
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#define MVPP22_XLG_CTRL0_MAC_RESET_DIS BIT(1)
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#define MVPP22_XLG_CTRL0_RX_FLOW_CTRL_EN BIT(7)
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#define MVPP22_XLG_CTRL0_MIB_CNT_DIS BIT(14)
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#define MVPP22_XLG_CTRL3_REG 0x11c
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@ -368,6 +369,11 @@
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#define MVPP22_XLG_CTRL3_MACMODESELECT_GMAC (0 << 13)
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#define MVPP22_XLG_CTRL3_MACMODESELECT_10G (1 << 13)
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#define MVPP22_XLG_CTRL4_REG 0x184
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#define MVPP22_XLG_CTRL4_FWD_FC BIT(5)
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#define MVPP22_XLG_CTRL4_FWD_PFC BIT(6)
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#define MVPP22_XLG_CTRL4_MACMODSELECT_GMAC BIT(12)
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/* SMI registers. PPv2.2 only, relative to priv->iface_base. */
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#define MVPP22_SMI_MISC_CFG_REG 0x1204
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#define MVPP22_SMI_POLLING_EN BIT(10)
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@ -4337,6 +4343,23 @@ static void mvpp2_port_mii_gmac_configure(struct mvpp2_port *port)
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writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
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}
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static void mvpp2_port_mii_xlg_configure(struct mvpp2_port *port)
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{
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u32 val;
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if (port->gop_id != 0)
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return;
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val = readl(port->base + MVPP22_XLG_CTRL0_REG);
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val |= MVPP22_XLG_CTRL0_RX_FLOW_CTRL_EN;
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writel(val, port->base + MVPP22_XLG_CTRL0_REG);
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val = readl(port->base + MVPP22_XLG_CTRL4_REG);
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val &= ~MVPP22_XLG_CTRL4_MACMODSELECT_GMAC;
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val |= MVPP22_XLG_CTRL4_FWD_FC | MVPP22_XLG_CTRL4_FWD_PFC;
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writel(val, port->base + MVPP22_XLG_CTRL4_REG);
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}
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static void mvpp22_port_mii_set(struct mvpp2_port *port)
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{
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u32 val;
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@ -4367,6 +4390,8 @@ static void mvpp2_port_mii_set(struct mvpp2_port *port)
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port->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID ||
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port->phy_interface == PHY_INTERFACE_MODE_SGMII)
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mvpp2_port_mii_gmac_configure(port);
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else if (port->phy_interface == PHY_INTERFACE_MODE_10GKR)
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mvpp2_port_mii_xlg_configure(port);
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}
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static void mvpp2_port_fc_adv_enable(struct mvpp2_port *port)
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