diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index ba40b06d3ca3..c64ddad6b2b3 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -1188,8 +1188,7 @@ static void mvpp2_port_enable(struct mvpp2_port *port) /* Only GOP port 0 has an XLG MAC */ if (port->gop_id == 0 && mvpp2_is_xlg(port->phy_interface)) { val = readl(port->base + MVPP22_XLG_CTRL0_REG); - val |= MVPP22_XLG_CTRL0_PORT_EN | - MVPP22_XLG_CTRL0_MAC_RESET_DIS; + val |= MVPP22_XLG_CTRL0_PORT_EN; val &= ~MVPP22_XLG_CTRL0_MIB_CNT_DIS; writel(val, port->base + MVPP22_XLG_CTRL0_REG); } else { @@ -1209,10 +1208,6 @@ static void mvpp2_port_disable(struct mvpp2_port *port) val = readl(port->base + MVPP22_XLG_CTRL0_REG); val &= ~MVPP22_XLG_CTRL0_PORT_EN; writel(val, port->base + MVPP22_XLG_CTRL0_REG); - - /* Disable & reset should be done separately */ - val &= ~MVPP22_XLG_CTRL0_MAC_RESET_DIS; - writel(val, port->base + MVPP22_XLG_CTRL0_REG); } val = readl(port->base + MVPP2_GMAC_CTRL_0_REG); @@ -1369,10 +1364,10 @@ static int mvpp2_ethtool_get_sset_count(struct net_device *dev, int sset) return -EOPNOTSUPP; } -static void mvpp2_port_reset(struct mvpp2_port *port) +static void mvpp2_mac_reset_assert(struct mvpp2_port *port) { - u32 val; unsigned int i; + u32 val; /* Read the GOP statistics to reset the hardware counters */ for (i = 0; i < ARRAY_SIZE(mvpp2_ethtool_regs); i++) @@ -1381,6 +1376,12 @@ static void mvpp2_port_reset(struct mvpp2_port *port) val = readl(port->base + MVPP2_GMAC_CTRL_2_REG) | MVPP2_GMAC_PORT_RESET_MASK; writel(val, port->base + MVPP2_GMAC_CTRL_2_REG); + + if (port->priv->hw_version == MVPP22 && port->gop_id == 0) { + val = readl(port->base + MVPP22_XLG_CTRL0_REG) & + ~MVPP22_XLG_CTRL0_MAC_RESET_DIS; + writel(val, port->base + MVPP22_XLG_CTRL0_REG); + } } /* Change maximum receive size of the port */ @@ -4511,6 +4512,8 @@ static void mvpp2_xlg_config(struct mvpp2_port *port, unsigned int mode, old_ctrl0 = ctrl0 = readl(port->base + MVPP22_XLG_CTRL0_REG); old_ctrl4 = ctrl4 = readl(port->base + MVPP22_XLG_CTRL4_REG); + ctrl0 |= MVPP22_XLG_CTRL0_MAC_RESET_DIS; + if (state->pause & MLO_PAUSE_TX) ctrl0 |= MVPP22_XLG_CTRL0_TX_FLOW_CTRL_EN; else @@ -4529,6 +4532,12 @@ static void mvpp2_xlg_config(struct mvpp2_port *port, unsigned int mode, writel(ctrl0, port->base + MVPP22_XLG_CTRL0_REG); if (old_ctrl4 != ctrl4) writel(ctrl4, port->base + MVPP22_XLG_CTRL4_REG); + + if (!(old_ctrl0 & MVPP22_XLG_CTRL0_MAC_RESET_DIS)) { + while (!(readl(port->base + MVPP22_XLG_CTRL0_REG) & + MVPP22_XLG_CTRL0_MAC_RESET_DIS)) + continue; + } } static void mvpp2_gmac_config(struct mvpp2_port *port, unsigned int mode, @@ -4946,7 +4955,7 @@ static int mvpp2_port_probe(struct platform_device *pdev, mvpp2_port_periodic_xon_disable(port); - mvpp2_port_reset(port); + mvpp2_mac_reset_assert(port); port->pcpu = alloc_percpu(struct mvpp2_port_pcpu); if (!port->pcpu) { |