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path: root/drivers/net/ethernet/freescale/fec_mpc52xx.c
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Diffstat (limited to 'drivers/net/ethernet/freescale/fec_mpc52xx.c')
-rw-r--r--drivers/net/ethernet/freescale/fec_mpc52xx.c96
1 files changed, 55 insertions, 41 deletions
diff --git a/drivers/net/ethernet/freescale/fec_mpc52xx.c b/drivers/net/ethernet/freescale/fec_mpc52xx.c
index 30745b56fe5..9947765e90c 100644
--- a/drivers/net/ethernet/freescale/fec_mpc52xx.c
+++ b/drivers/net/ethernet/freescale/fec_mpc52xx.c
@@ -14,6 +14,8 @@
*
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/dma-mapping.h>
#include <linux/module.h>
@@ -29,6 +31,7 @@
#include <linux/delay.h>
#include <linux/of_device.h>
#include <linux/of_mdio.h>
+#include <linux/of_net.h>
#include <linux/of_platform.h>
#include <linux/netdevice.h>
@@ -40,8 +43,8 @@
#include <asm/delay.h>
#include <asm/mpc52xx.h>
-#include <sysdev/bestcomm/bestcomm.h>
-#include <sysdev/bestcomm/fec.h>
+#include <linux/fsl/bestcomm/bestcomm.h>
+#include <linux/fsl/bestcomm/fec.h>
#include "fec_mpc52xx.h"
@@ -76,10 +79,6 @@ static void mpc52xx_fec_stop(struct net_device *dev);
static void mpc52xx_fec_start(struct net_device *dev);
static void mpc52xx_fec_reset(struct net_device *dev);
-static u8 mpc52xx_fec_mac_addr[6];
-module_param_array_named(mac, mpc52xx_fec_mac_addr, byte, NULL, 0);
-MODULE_PARM_DESC(mac, "six hex digits, ie. 0x1,0x2,0xc0,0x01,0xba,0xbe");
-
#define MPC52xx_MESSAGES_DEFAULT ( NETIF_MSG_DRV | NETIF_MSG_PROBE | \
NETIF_MSG_LINK | NETIF_MSG_IFDOWN | NETIF_MSG_IFUP)
static int debug = -1; /* the above default */
@@ -110,15 +109,6 @@ static void mpc52xx_fec_set_paddr(struct net_device *dev, u8 *mac)
out_be32(&fec->paddr2, (*(u16 *)(&mac[4]) << 16) | FEC_PADDR2_TYPE);
}
-static void mpc52xx_fec_get_paddr(struct net_device *dev, u8 *mac)
-{
- struct mpc52xx_fec_priv *priv = netdev_priv(dev);
- struct mpc52xx_fec __iomem *fec = priv->fec;
-
- *(u32 *)(&mac[0]) = in_be32(&fec->paddr1);
- *(u16 *)(&mac[4]) = in_be32(&fec->paddr2) >> 16;
-}
-
static int mpc52xx_fec_set_mac_address(struct net_device *dev, void *addr)
{
struct sockaddr *sock = addr;
@@ -160,7 +150,7 @@ static int mpc52xx_fec_alloc_rx_buffers(struct net_device *dev, struct bcom_task
struct sk_buff *skb;
while (!bcom_queue_full(rxtsk)) {
- skb = dev_alloc_skb(FEC_RX_BUFFER_SIZE);
+ skb = netdev_alloc_skb(dev, FEC_RX_BUFFER_SIZE);
if (!skb)
return -EAGAIN;
@@ -416,7 +406,7 @@ static irqreturn_t mpc52xx_fec_rx_interrupt(int irq, void *dev_id)
/* skbs are allocated on open, so now we allocate a new one,
* and remove the old (with the packet) */
- skb = dev_alloc_skb(FEC_RX_BUFFER_SIZE);
+ skb = netdev_alloc_skb(dev, FEC_RX_BUFFER_SIZE);
if (!skb) {
/* Can't get a new one : reuse the same & drop pkt */
dev_notice(&dev->dev, "Low memory - dropped packet.\n");
@@ -437,7 +427,7 @@ static irqreturn_t mpc52xx_fec_rx_interrupt(int irq, void *dev_id)
length = status & BCOM_FEC_RX_BD_LEN_MASK;
skb_put(rskb, length - 4); /* length without CRC32 */
rskb->protocol = eth_type_trans(rskb, dev);
- if (!skb_defer_rx_timestamp(skb))
+ if (!skb_defer_rx_timestamp(rskb))
netif_rx(rskb);
spin_lock(&priv->lock);
@@ -811,6 +801,7 @@ static const struct ethtool_ops mpc52xx_fec_ethtool_ops = {
.get_link = ethtool_op_get_link,
.get_msglevel = mpc52xx_fec_get_msglevel,
.set_msglevel = mpc52xx_fec_set_msglevel,
+ .get_ts_info = ethtool_op_get_ts_info,
};
@@ -844,7 +835,7 @@ static const struct net_device_ops mpc52xx_fec_netdev_ops = {
/* OF Driver */
/* ======================================================================== */
-static int __devinit mpc52xx_fec_probe(struct platform_device *op)
+static int mpc52xx_fec_probe(struct platform_device *op)
{
int rv;
struct net_device *ndev;
@@ -852,6 +843,8 @@ static int __devinit mpc52xx_fec_probe(struct platform_device *op)
struct resource mem;
const u32 *prop;
int prop_size;
+ struct device_node *np = op->dev.of_node;
+ const char *mac_addr;
phys_addr_t rx_fifo;
phys_addr_t tx_fifo;
@@ -865,15 +858,13 @@ static int __devinit mpc52xx_fec_probe(struct platform_device *op)
priv->ndev = ndev;
/* Reserve FEC control zone */
- rv = of_address_to_resource(op->dev.of_node, 0, &mem);
+ rv = of_address_to_resource(np, 0, &mem);
if (rv) {
- printk(KERN_ERR DRIVER_NAME ": "
- "Error while parsing device node resource\n" );
+ pr_err("Error while parsing device node resource\n");
goto err_netdev;
}
if (resource_size(&mem) < sizeof(struct mpc52xx_fec)) {
- printk(KERN_ERR DRIVER_NAME
- " - invalid resource size (%lx < %x), check mpc52xx_devices.c\n",
+ pr_err("invalid resource size (%lx < %x), check mpc52xx_devices.c\n",
(unsigned long)resource_size(&mem),
sizeof(struct mpc52xx_fec));
rv = -EINVAL;
@@ -911,14 +902,14 @@ static int __devinit mpc52xx_fec_probe(struct platform_device *op)
priv->tx_dmatsk = bcom_fec_tx_init(FEC_TX_NUM_BD, tx_fifo);
if (!priv->rx_dmatsk || !priv->tx_dmatsk) {
- printk(KERN_ERR DRIVER_NAME ": Can not init SDMA tasks\n" );
+ pr_err("Can not init SDMA tasks\n");
rv = -ENOMEM;
goto err_rx_tx_dmatsk;
}
/* Get the IRQ we need one by one */
/* Control */
- ndev->irq = irq_of_parse_and_map(op->dev.of_node, 0);
+ ndev->irq = irq_of_parse_and_map(np, 0);
/* RX */
priv->r_irq = bcom_get_task_irq(priv->rx_dmatsk);
@@ -926,11 +917,33 @@ static int __devinit mpc52xx_fec_probe(struct platform_device *op)
/* TX */
priv->t_irq = bcom_get_task_irq(priv->tx_dmatsk);
- /* MAC address init */
- if (!is_zero_ether_addr(mpc52xx_fec_mac_addr))
- memcpy(ndev->dev_addr, mpc52xx_fec_mac_addr, 6);
- else
- mpc52xx_fec_get_paddr(ndev, ndev->dev_addr);
+ /*
+ * MAC address init:
+ *
+ * First try to read MAC address from DT
+ */
+ mac_addr = of_get_mac_address(np);
+ if (mac_addr) {
+ memcpy(ndev->dev_addr, mac_addr, ETH_ALEN);
+ } else {
+ struct mpc52xx_fec __iomem *fec = priv->fec;
+
+ /*
+ * If the MAC addresse is not provided via DT then read
+ * it back from the controller regs
+ */
+ *(u32 *)(&ndev->dev_addr[0]) = in_be32(&fec->paddr1);
+ *(u16 *)(&ndev->dev_addr[4]) = in_be32(&fec->paddr2) >> 16;
+ }
+
+ /*
+ * Check if the MAC address is valid, if not get a random one
+ */
+ if (!is_valid_ether_addr(ndev->dev_addr)) {
+ eth_hw_addr_random(ndev);
+ dev_warn(&ndev->dev, "using random MAC address %pM\n",
+ ndev->dev_addr);
+ }
priv->msg_enable = netif_msg_init(debug, MPC52xx_MESSAGES_DEFAULT);
@@ -941,20 +954,20 @@ static int __devinit mpc52xx_fec_probe(struct platform_device *op)
/* Start with safe defaults for link connection */
priv->speed = 100;
priv->duplex = DUPLEX_HALF;
- priv->mdio_speed = ((mpc5xxx_get_bus_frequency(op->dev.of_node) >> 20) / 5) << 1;
+ priv->mdio_speed = ((mpc5xxx_get_bus_frequency(np) >> 20) / 5) << 1;
/* The current speed preconfigures the speed of the MII link */
- prop = of_get_property(op->dev.of_node, "current-speed", &prop_size);
+ prop = of_get_property(np, "current-speed", &prop_size);
if (prop && (prop_size >= sizeof(u32) * 2)) {
priv->speed = prop[0];
priv->duplex = prop[1] ? DUPLEX_FULL : DUPLEX_HALF;
}
/* If there is a phy handle, then get the PHY node */
- priv->phy_node = of_parse_phandle(op->dev.of_node, "phy-handle", 0);
+ priv->phy_node = of_parse_phandle(np, "phy-handle", 0);
/* the 7-wire property means don't use MII mode */
- if (of_find_property(op->dev.of_node, "fsl,7-wire-mode", NULL)) {
+ if (of_find_property(np, "fsl,7-wire-mode", NULL)) {
priv->seven_wire_mode = 1;
dev_info(&ndev->dev, "using 7-wire PHY mode\n");
}
@@ -968,7 +981,9 @@ static int __devinit mpc52xx_fec_probe(struct platform_device *op)
goto err_node;
/* We're done ! */
- dev_set_drvdata(&op->dev, ndev);
+ platform_set_drvdata(op, ndev);
+ netdev_info(ndev, "%s MAC %pM\n",
+ op->dev.of_node->full_name, ndev->dev_addr);
return 0;
@@ -995,7 +1010,7 @@ mpc52xx_fec_remove(struct platform_device *op)
struct net_device *ndev;
struct mpc52xx_fec_priv *priv;
- ndev = dev_get_drvdata(&op->dev);
+ ndev = platform_get_drvdata(op);
priv = netdev_priv(ndev);
unregister_netdev(ndev);
@@ -1015,14 +1030,13 @@ mpc52xx_fec_remove(struct platform_device *op)
free_netdev(ndev);
- dev_set_drvdata(&op->dev, NULL);
return 0;
}
#ifdef CONFIG_PM
static int mpc52xx_fec_of_suspend(struct platform_device *op, pm_message_t state)
{
- struct net_device *dev = dev_get_drvdata(&op->dev);
+ struct net_device *dev = platform_get_drvdata(op);
if (netif_running(dev))
mpc52xx_fec_close(dev);
@@ -1032,7 +1046,7 @@ static int mpc52xx_fec_of_suspend(struct platform_device *op, pm_message_t state
static int mpc52xx_fec_of_resume(struct platform_device *op)
{
- struct net_device *dev = dev_get_drvdata(&op->dev);
+ struct net_device *dev = platform_get_drvdata(op);
mpc52xx_fec_hw_init(dev);
mpc52xx_fec_reset_stats(dev);
@@ -1079,7 +1093,7 @@ mpc52xx_fec_init(void)
int ret;
ret = platform_driver_register(&mpc52xx_fec_mdio_driver);
if (ret) {
- printk(KERN_ERR DRIVER_NAME ": failed to register mdio driver\n");
+ pr_err("failed to register mdio driver\n");
return ret;
}
#endif
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 13:14:46 +0000