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Diffstat (limited to 'drivers/net/gianfar.c')
-rw-r--r--drivers/net/gianfar.c135
1 files changed, 52 insertions, 83 deletions
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index a0519184e54..a00ec639c38 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -75,6 +75,7 @@
#include <linux/if_vlan.h>
#include <linux/spinlock.h>
#include <linux/mm.h>
+#include <linux/of_mdio.h>
#include <linux/of_platform.h>
#include <linux/ip.h>
#include <linux/tcp.h>
@@ -155,6 +156,8 @@ static const struct net_device_ops gfar_netdev_ops = {
.ndo_tx_timeout = gfar_timeout,
.ndo_do_ioctl = gfar_ioctl,
.ndo_vlan_rx_register = gfar_vlan_rx_register,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = gfar_netpoll,
#endif
@@ -168,17 +171,13 @@ static inline int gfar_uses_fcb(struct gfar_private *priv)
static int gfar_of_init(struct net_device *dev)
{
- struct device_node *phy, *mdio;
- const unsigned int *id;
const char *model;
const char *ctype;
const void *mac_addr;
- const phandle *ph;
u64 addr, size;
int err = 0;
struct gfar_private *priv = netdev_priv(dev);
struct device_node *np = priv->node;
- char bus_name[MII_BUS_ID_SIZE];
const u32 *stash;
const u32 *stash_len;
const u32 *stash_idx;
@@ -264,66 +263,10 @@ static int gfar_of_init(struct net_device *dev)
if (of_get_property(np, "fsl,magic-packet", NULL))
priv->device_flags |= FSL_GIANFAR_DEV_HAS_MAGIC_PACKET;
- ph = of_get_property(np, "phy-handle", NULL);
- if (ph == NULL) {
- u32 *fixed_link;
-
- fixed_link = (u32 *)of_get_property(np, "fixed-link", NULL);
- if (!fixed_link) {
- err = -ENODEV;
- goto err_out;
- }
-
- snprintf(priv->phy_bus_id, sizeof(priv->phy_bus_id),
- PHY_ID_FMT, "0", fixed_link[0]);
- } else {
- phy = of_find_node_by_phandle(*ph);
-
- if (phy == NULL) {
- err = -ENODEV;
- goto err_out;
- }
-
- mdio = of_get_parent(phy);
-
- id = of_get_property(phy, "reg", NULL);
-
- of_node_put(phy);
-
- fsl_pq_mdio_bus_name(bus_name, mdio);
- of_node_put(mdio);
- snprintf(priv->phy_bus_id, sizeof(priv->phy_bus_id), "%s:%02x",
- bus_name, *id);
- }
+ priv->phy_node = of_parse_phandle(np, "phy-handle", 0);
/* Find the TBI PHY. If it's not there, we don't support SGMII */
- ph = of_get_property(np, "tbi-handle", NULL);
- if (ph) {
- struct device_node *tbi = of_find_node_by_phandle(*ph);
- struct of_device *ofdev;
- struct mii_bus *bus;
-
- if (!tbi)
- return 0;
-
- mdio = of_get_parent(tbi);
- if (!mdio)
- return 0;
-
- ofdev = of_find_device_by_node(mdio);
-
- of_node_put(mdio);
-
- id = of_get_property(tbi, "reg", NULL);
- if (!id)
- return 0;
-
- of_node_put(tbi);
-
- bus = dev_get_drvdata(&ofdev->dev);
-
- priv->tbiphy = bus->phy_map[*id];
- }
+ priv->tbi_node = of_parse_phandle(np, "tbi-handle", 0);
return 0;
@@ -529,6 +472,10 @@ static int gfar_probe(struct of_device *ofdev,
register_fail:
iounmap(priv->regs);
regs_fail:
+ if (priv->phy_node)
+ of_node_put(priv->phy_node);
+ if (priv->tbi_node)
+ of_node_put(priv->tbi_node);
free_netdev(dev);
return err;
}
@@ -537,8 +484,14 @@ static int gfar_remove(struct of_device *ofdev)
{
struct gfar_private *priv = dev_get_drvdata(&ofdev->dev);
+ if (priv->phy_node)
+ of_node_put(priv->phy_node);
+ if (priv->tbi_node)
+ of_node_put(priv->tbi_node);
+
dev_set_drvdata(&ofdev->dev, NULL);
+ unregister_netdev(priv->ndev);
iounmap(priv->regs);
free_netdev(priv->ndev);
@@ -690,7 +643,6 @@ static int init_phy(struct net_device *dev)
uint gigabit_support =
priv->device_flags & FSL_GIANFAR_DEV_HAS_GIGABIT ?
SUPPORTED_1000baseT_Full : 0;
- struct phy_device *phydev;
phy_interface_t interface;
priv->oldlink = 0;
@@ -699,21 +651,22 @@ static int init_phy(struct net_device *dev)
interface = gfar_get_interface(dev);
- phydev = phy_connect(dev, priv->phy_bus_id, &adjust_link, 0, interface);
+ priv->phydev = of_phy_connect(dev, priv->phy_node, &adjust_link, 0,
+ interface);
+ if (!priv->phydev)
+ priv->phydev = of_phy_connect_fixed_link(dev, &adjust_link,
+ interface);
+ if (!priv->phydev) {
+ dev_err(&dev->dev, "could not attach to PHY\n");
+ return -ENODEV;
+ }
if (interface == PHY_INTERFACE_MODE_SGMII)
gfar_configure_serdes(dev);
- if (IS_ERR(phydev)) {
- printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name);
- return PTR_ERR(phydev);
- }
-
/* Remove any features not supported by the controller */
- phydev->supported &= (GFAR_SUPPORTED | gigabit_support);
- phydev->advertising = phydev->supported;
-
- priv->phydev = phydev;
+ priv->phydev->supported &= (GFAR_SUPPORTED | gigabit_support);
+ priv->phydev->advertising = priv->phydev->supported;
return 0;
}
@@ -730,10 +683,17 @@ static int init_phy(struct net_device *dev)
static void gfar_configure_serdes(struct net_device *dev)
{
struct gfar_private *priv = netdev_priv(dev);
+ struct phy_device *tbiphy;
+
+ if (!priv->tbi_node) {
+ dev_warn(&dev->dev, "error: SGMII mode requires that the "
+ "device tree specify a tbi-handle\n");
+ return;
+ }
- if (!priv->tbiphy) {
- printk(KERN_WARNING "SGMII mode requires that the device "
- "tree specify a tbi-handle\n");
+ tbiphy = of_phy_find_device(priv->tbi_node);
+ if (!tbiphy) {
+ dev_err(&dev->dev, "error: Could not get TBI device\n");
return;
}
@@ -743,17 +703,17 @@ static void gfar_configure_serdes(struct net_device *dev)
* everything for us? Resetting it takes the link down and requires
* several seconds for it to come back.
*/
- if (phy_read(priv->tbiphy, MII_BMSR) & BMSR_LSTATUS)
+ if (phy_read(tbiphy, MII_BMSR) & BMSR_LSTATUS)
return;
/* Single clk mode, mii mode off(for serdes communication) */
- phy_write(priv->tbiphy, MII_TBICON, TBICON_CLK_SELECT);
+ phy_write(tbiphy, MII_TBICON, TBICON_CLK_SELECT);
- phy_write(priv->tbiphy, MII_ADVERTISE,
+ phy_write(tbiphy, MII_ADVERTISE,
ADVERTISE_1000XFULL | ADVERTISE_1000XPAUSE |
ADVERTISE_1000XPSE_ASYM);
- phy_write(priv->tbiphy, MII_BMCR, BMCR_ANENABLE |
+ phy_write(tbiphy, MII_BMCR, BMCR_ANENABLE |
BMCR_ANRESTART | BMCR_FULLDPLX | BMCR_SPEED1000);
}
@@ -977,6 +937,7 @@ int startup_gfar(struct net_device *dev)
struct gfar __iomem *regs = priv->regs;
int err = 0;
u32 rctrl = 0;
+ u32 tctrl = 0;
u32 attrs = 0;
gfar_write(&regs->imask, IMASK_INIT_CLEAR);
@@ -1152,11 +1113,19 @@ int startup_gfar(struct net_device *dev)
rctrl |= RCTRL_PADDING(priv->padding);
}
+ /* keep vlan related bits if it's enabled */
+ if (priv->vlgrp) {
+ rctrl |= RCTRL_VLEX | RCTRL_PRSDEP_INIT;
+ tctrl |= TCTRL_VLINS;
+ }
+
/* Init rctrl based on our settings */
gfar_write(&priv->regs->rctrl, rctrl);
if (dev->features & NETIF_F_IP_CSUM)
- gfar_write(&priv->regs->tctrl, TCTRL_INIT_CSUM);
+ tctrl |= TCTRL_INIT_CSUM;
+
+ gfar_write(&priv->regs->tctrl, tctrl);
/* Set the extraction length and index */
attrs = ATTRELI_EL(priv->rx_stash_size) |
@@ -1242,7 +1211,8 @@ static int gfar_enet_open(struct net_device *dev)
static inline struct txfcb *gfar_add_fcb(struct sk_buff *skb)
{
struct txfcb *fcb = (struct txfcb *)skb_push(skb, GMAC_FCB_LEN);
- cacheable_memzero(fcb, GMAC_FCB_LEN);
+
+ memset(fcb, 0, GMAC_FCB_LEN);
return fcb;
}
@@ -1490,7 +1460,6 @@ static void gfar_vlan_rx_register(struct net_device *dev,
/* Enable VLAN tag extraction */
tempval = gfar_read(&priv->regs->rctrl);
- tempval |= RCTRL_VLEX;
tempval |= (RCTRL_VLEX | RCTRL_PRSDEP_INIT);
gfar_write(&priv->regs->rctrl, tempval);
} else {
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-04-12 21:45:43 +0000