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path: root/drivers/net/ethernet/freescale/fec_main.c
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Diffstat (limited to 'drivers/net/ethernet/freescale/fec_main.c')
-rw-r--r--drivers/net/ethernet/freescale/fec_main.c60
1 files changed, 46 insertions, 14 deletions
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index aff0310a778..d48099f03b7 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -87,6 +87,8 @@
#define FEC_QUIRK_HAS_GBIT (1 << 3)
/* Controller has extend desc buffer */
#define FEC_QUIRK_HAS_BUFDESC_EX (1 << 4)
+/* Controller has hardware checksum support */
+#define FEC_QUIRK_HAS_CSUM (1 << 5)
static struct platform_device_id fec_devtype[] = {
{
@@ -105,9 +107,9 @@ static struct platform_device_id fec_devtype[] = {
}, {
.name = "imx6q-fec",
.driver_data = FEC_QUIRK_ENET_MAC | FEC_QUIRK_HAS_GBIT |
- FEC_QUIRK_HAS_BUFDESC_EX,
+ FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM,
}, {
- .name = "mvf-fec",
+ .name = "mvf600-fec",
.driver_data = FEC_QUIRK_ENET_MAC,
}, {
/* sentinel */
@@ -120,7 +122,7 @@ enum imx_fec_type {
IMX27_FEC, /* runs on i.mx27/35/51 */
IMX28_FEC,
IMX6Q_FEC,
- MVF_FEC,
+ MVF600_FEC,
};
static const struct of_device_id fec_dt_ids[] = {
@@ -128,7 +130,7 @@ static const struct of_device_id fec_dt_ids[] = {
{ .compatible = "fsl,imx27-fec", .data = &fec_devtype[IMX27_FEC], },
{ .compatible = "fsl,imx28-fec", .data = &fec_devtype[IMX28_FEC], },
{ .compatible = "fsl,imx6q-fec", .data = &fec_devtype[IMX6Q_FEC], },
- { .compatible = "fsl,mvf-fec", .data = &fec_devtype[MVF_FEC], },
+ { .compatible = "fsl,mvf600-fec", .data = &fec_devtype[MVF600_FEC], },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, fec_dt_ids);
@@ -449,7 +451,7 @@ fec_restart(struct net_device *ndev, int duplex)
netif_device_detach(ndev);
napi_disable(&fep->napi);
netif_stop_queue(ndev);
- netif_tx_lock(ndev);
+ netif_tx_lock_bh(ndev);
}
/* Whack a reset. We should wait for this. */
@@ -514,6 +516,7 @@ fec_restart(struct net_device *ndev, int duplex)
/* Set MII speed */
writel(fep->phy_speed, fep->hwp + FEC_MII_SPEED);
+#if !defined(CONFIG_M5272)
/* set RX checksum */
val = readl(fep->hwp + FEC_RACC);
if (fep->csum_flags & FLAG_RX_CSUM_ENABLED)
@@ -521,6 +524,7 @@ fec_restart(struct net_device *ndev, int duplex)
else
val &= ~FEC_RACC_OPTIONS;
writel(val, fep->hwp + FEC_RACC);
+#endif
/*
* The phy interface and speed need to get configured
@@ -573,6 +577,7 @@ fec_restart(struct net_device *ndev, int duplex)
#endif
}
+#if !defined(CONFIG_M5272)
/* enable pause frame*/
if ((fep->pause_flag & FEC_PAUSE_FLAG_ENABLE) ||
((fep->pause_flag & FEC_PAUSE_FLAG_AUTONEG) &&
@@ -590,6 +595,7 @@ fec_restart(struct net_device *ndev, int duplex)
} else {
rcntl &= ~FEC_ENET_FCE;
}
+#endif /* !defined(CONFIG_M5272) */
writel(rcntl, fep->hwp + FEC_R_CNTRL);
@@ -614,10 +620,10 @@ fec_restart(struct net_device *ndev, int duplex)
writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK);
if (netif_running(ndev)) {
- netif_device_attach(ndev);
- napi_enable(&fep->napi);
+ netif_tx_unlock_bh(ndev);
netif_wake_queue(ndev);
- netif_tx_unlock(ndev);
+ napi_enable(&fep->napi);
+ netif_device_attach(ndev);
}
}
@@ -1036,6 +1042,18 @@ static void fec_get_mac(struct net_device *ndev)
iap = &tmpaddr[0];
}
+ /*
+ * 5) random mac address
+ */
+ if (!is_valid_ether_addr(iap)) {
+ /* Report it and use a random ethernet address instead */
+ netdev_err(ndev, "Invalid MAC address: %pM\n", iap);
+ eth_hw_addr_random(ndev);
+ netdev_info(ndev, "Using random MAC address: %pM\n",
+ ndev->dev_addr);
+ return;
+ }
+
memcpy(ndev->dev_addr, iap, ETH_ALEN);
/* Adjust MAC if using macaddr */
@@ -1191,7 +1209,9 @@ static int fec_enet_mii_probe(struct net_device *ndev)
/* mask with MAC supported features */
if (id_entry->driver_data & FEC_QUIRK_HAS_GBIT) {
phy_dev->supported &= PHY_GBIT_FEATURES;
+#if !defined(CONFIG_M5272)
phy_dev->supported |= SUPPORTED_Pause;
+#endif
}
else
phy_dev->supported &= PHY_BASIC_FEATURES;
@@ -1376,6 +1396,8 @@ static int fec_enet_get_ts_info(struct net_device *ndev,
}
}
+#if !defined(CONFIG_M5272)
+
static void fec_enet_get_pauseparam(struct net_device *ndev,
struct ethtool_pauseparam *pause)
{
@@ -1422,9 +1444,13 @@ static int fec_enet_set_pauseparam(struct net_device *ndev,
return 0;
}
+#endif /* !defined(CONFIG_M5272) */
+
static const struct ethtool_ops fec_enet_ethtool_ops = {
+#if !defined(CONFIG_M5272)
.get_pauseparam = fec_enet_get_pauseparam,
.set_pauseparam = fec_enet_set_pauseparam,
+#endif
.get_settings = fec_enet_get_settings,
.set_settings = fec_enet_set_settings,
.get_drvinfo = fec_enet_get_drvinfo,
@@ -1744,6 +1770,8 @@ static const struct net_device_ops fec_netdev_ops = {
static int fec_enet_init(struct net_device *ndev)
{
struct fec_enet_private *fep = netdev_priv(ndev);
+ const struct platform_device_id *id_entry =
+ platform_get_device_id(fep->pdev);
struct bufdesc *cbd_base;
/* Allocate memory for buffer descriptors. */
@@ -1775,12 +1803,14 @@ static int fec_enet_init(struct net_device *ndev)
writel(FEC_RX_DISABLED_IMASK, fep->hwp + FEC_IMASK);
netif_napi_add(ndev, &fep->napi, fec_enet_rx_napi, FEC_NAPI_WEIGHT);
- /* enable hw accelerator */
- ndev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM
- | NETIF_F_RXCSUM);
- ndev->hw_features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM
- | NETIF_F_RXCSUM);
- fep->csum_flags |= FLAG_RX_CSUM_ENABLED;
+ if (id_entry->driver_data & FEC_QUIRK_HAS_CSUM) {
+ /* enable hw accelerator */
+ ndev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM
+ | NETIF_F_RXCSUM);
+ ndev->hw_features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM
+ | NETIF_F_RXCSUM);
+ fep->csum_flags |= FLAG_RX_CSUM_ENABLED;
+ }
fec_restart(ndev, 0);
@@ -1856,10 +1886,12 @@ fec_probe(struct platform_device *pdev)
/* setup board info structure */
fep = netdev_priv(ndev);
+#if !defined(CONFIG_M5272)
/* default enable pause frame auto negotiation */
if (pdev->id_entry &&
(pdev->id_entry->driver_data & FEC_QUIRK_HAS_GBIT))
fep->pause_flag |= FEC_PAUSE_FLAG_AUTONEG;
+#endif
fep->hwp = devm_request_and_ioremap(&pdev->dev, r);
fep->pdev = pdev;