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Diffstat (limited to 'drivers/net/ethernet/marvell')
-rw-r--r--drivers/net/ethernet/marvell/mv643xx_eth.c209
-rw-r--r--drivers/net/ethernet/marvell/mvneta.c46
-rw-r--r--drivers/net/ethernet/marvell/pxa168_eth.c3
-rw-r--r--drivers/net/ethernet/marvell/skge.c2
-rw-r--r--drivers/net/ethernet/marvell/sky2.c2
5 files changed, 230 insertions, 32 deletions
diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c
index d1cbfb12c1ca..c35db735958f 100644
--- a/drivers/net/ethernet/marvell/mv643xx_eth.c
+++ b/drivers/net/ethernet/marvell/mv643xx_eth.c
@@ -60,6 +60,10 @@
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/clk.h>
+#include <linux/of.h>
+#include <linux/of_irq.h>
+#include <linux/of_net.h>
+#include <linux/of_mdio.h>
static char mv643xx_eth_driver_name[] = "mv643xx_eth";
static char mv643xx_eth_driver_version[] = "1.4";
@@ -115,6 +119,8 @@ static char mv643xx_eth_driver_version[] = "1.4";
#define LINK_UP 0x00000002
#define TXQ_COMMAND 0x0048
#define TXQ_FIX_PRIO_CONF 0x004c
+#define PORT_SERIAL_CONTROL1 0x004c
+#define CLK125_BYPASS_EN 0x00000010
#define TX_BW_RATE 0x0050
#define TX_BW_MTU 0x0058
#define TX_BW_BURST 0x005c
@@ -615,7 +621,7 @@ static int rxq_refill(struct rx_queue *rxq, int budget)
rx_desc = rxq->rx_desc_area + rx;
- size = skb->end - skb->data;
+ size = skb_end_pointer(skb) - skb->data;
rx_desc->buf_ptr = dma_map_single(mp->dev->dev.parent,
skb->data, size,
DMA_FROM_DEVICE);
@@ -2450,13 +2456,159 @@ static void infer_hw_params(struct mv643xx_eth_shared_private *msp)
}
}
+#if defined(CONFIG_OF)
+static const struct of_device_id mv643xx_eth_shared_ids[] = {
+ { .compatible = "marvell,orion-eth", },
+ { .compatible = "marvell,kirkwood-eth", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, mv643xx_eth_shared_ids);
+#endif
+
+#if defined(CONFIG_OF) && !defined(CONFIG_MV64X60)
+#define mv643xx_eth_property(_np, _name, _v) \
+ do { \
+ u32 tmp; \
+ if (!of_property_read_u32(_np, "marvell," _name, &tmp)) \
+ _v = tmp; \
+ } while (0)
+
+static struct platform_device *port_platdev[3];
+
+static int mv643xx_eth_shared_of_add_port(struct platform_device *pdev,
+ struct device_node *pnp)
+{
+ struct platform_device *ppdev;
+ struct mv643xx_eth_platform_data ppd;
+ struct resource res;
+ const char *mac_addr;
+ int ret;
+ int dev_num = 0;
+
+ memset(&ppd, 0, sizeof(ppd));
+ ppd.shared = pdev;
+
+ memset(&res, 0, sizeof(res));
+ if (!of_irq_to_resource(pnp, 0, &res)) {
+ dev_err(&pdev->dev, "missing interrupt on %s\n", pnp->name);
+ return -EINVAL;
+ }
+
+ if (of_property_read_u32(pnp, "reg", &ppd.port_number)) {
+ dev_err(&pdev->dev, "missing reg property on %s\n", pnp->name);
+ return -EINVAL;
+ }
+
+ if (ppd.port_number >= 3) {
+ dev_err(&pdev->dev, "invalid reg property on %s\n", pnp->name);
+ return -EINVAL;
+ }
+
+ while (dev_num < 3 && port_platdev[dev_num])
+ dev_num++;
+
+ if (dev_num == 3) {
+ dev_err(&pdev->dev, "too many ports registered\n");
+ return -EINVAL;
+ }
+
+ mac_addr = of_get_mac_address(pnp);
+ if (mac_addr)
+ memcpy(ppd.mac_addr, mac_addr, 6);
+
+ mv643xx_eth_property(pnp, "tx-queue-size", ppd.tx_queue_size);
+ mv643xx_eth_property(pnp, "tx-sram-addr", ppd.tx_sram_addr);
+ mv643xx_eth_property(pnp, "tx-sram-size", ppd.tx_sram_size);
+ mv643xx_eth_property(pnp, "rx-queue-size", ppd.rx_queue_size);
+ mv643xx_eth_property(pnp, "rx-sram-addr", ppd.rx_sram_addr);
+ mv643xx_eth_property(pnp, "rx-sram-size", ppd.rx_sram_size);
+
+ ppd.phy_node = of_parse_phandle(pnp, "phy-handle", 0);
+ if (!ppd.phy_node) {
+ ppd.phy_addr = MV643XX_ETH_PHY_NONE;
+ of_property_read_u32(pnp, "speed", &ppd.speed);
+ of_property_read_u32(pnp, "duplex", &ppd.duplex);
+ }
+
+ ppdev = platform_device_alloc(MV643XX_ETH_NAME, dev_num);
+ if (!ppdev)
+ return -ENOMEM;
+ ppdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
+
+ ret = platform_device_add_resources(ppdev, &res, 1);
+ if (ret)
+ goto port_err;
+
+ ret = platform_device_add_data(ppdev, &ppd, sizeof(ppd));
+ if (ret)
+ goto port_err;
+
+ ret = platform_device_add(ppdev);
+ if (ret)
+ goto port_err;
+
+ port_platdev[dev_num] = ppdev;
+
+ return 0;
+
+port_err:
+ platform_device_put(ppdev);
+ return ret;
+}
+
+static int mv643xx_eth_shared_of_probe(struct platform_device *pdev)
+{
+ struct mv643xx_eth_shared_platform_data *pd;
+ struct device_node *pnp, *np = pdev->dev.of_node;
+ int ret;
+
+ /* bail out if not registered from DT */
+ if (!np)
+ return 0;
+
+ pd = devm_kzalloc(&pdev->dev, sizeof(*pd), GFP_KERNEL);
+ if (!pd)
+ return -ENOMEM;
+ pdev->dev.platform_data = pd;
+
+ mv643xx_eth_property(np, "tx-checksum-limit", pd->tx_csum_limit);
+
+ for_each_available_child_of_node(np, pnp) {
+ ret = mv643xx_eth_shared_of_add_port(pdev, pnp);
+ if (ret)
+ return ret;
+ }
+ return 0;
+}
+
+static void mv643xx_eth_shared_of_remove(void)
+{
+ int n;
+
+ for (n = 0; n < 3; n++) {
+ platform_device_del(port_platdev[n]);
+ port_platdev[n] = NULL;
+ }
+}
+#else
+static inline int mv643xx_eth_shared_of_probe(struct platform_device *pdev)
+{
+ return 0;
+}
+
+static inline void mv643xx_eth_shared_of_remove(void)
+{
+}
+#endif
+
static int mv643xx_eth_shared_probe(struct platform_device *pdev)
{
static int mv643xx_eth_version_printed;
- struct mv643xx_eth_shared_platform_data *pd = pdev->dev.platform_data;
+ struct mv643xx_eth_shared_platform_data *pd;
struct mv643xx_eth_shared_private *msp;
const struct mbus_dram_target_info *dram;
struct resource *res;
+ int ret;
if (!mv643xx_eth_version_printed++)
pr_notice("MV-643xx 10/100/1000 ethernet driver version %s\n",
@@ -2469,8 +2621,9 @@ static int mv643xx_eth_shared_probe(struct platform_device *pdev)
msp = devm_kzalloc(&pdev->dev, sizeof(*msp), GFP_KERNEL);
if (msp == NULL)
return -ENOMEM;
+ platform_set_drvdata(pdev, msp);
- msp->base = ioremap(res->start, resource_size(res));
+ msp->base = devm_ioremap(&pdev->dev, res->start, resource_size(res));
if (msp->base == NULL)
return -ENOMEM;
@@ -2485,12 +2638,15 @@ static int mv643xx_eth_shared_probe(struct platform_device *pdev)
if (dram)
mv643xx_eth_conf_mbus_windows(msp, dram);
+ ret = mv643xx_eth_shared_of_probe(pdev);
+ if (ret)
+ return ret;
+ pd = pdev->dev.platform_data;
+
msp->tx_csum_limit = (pd != NULL && pd->tx_csum_limit) ?
pd->tx_csum_limit : 9 * 1024;
infer_hw_params(msp);
- platform_set_drvdata(pdev, msp);
-
return 0;
}
@@ -2498,10 +2654,9 @@ static int mv643xx_eth_shared_remove(struct platform_device *pdev)
{
struct mv643xx_eth_shared_private *msp = platform_get_drvdata(pdev);
- iounmap(msp->base);
+ mv643xx_eth_shared_of_remove();
if (!IS_ERR(msp->clk))
clk_disable_unprepare(msp->clk);
-
return 0;
}
@@ -2511,6 +2666,7 @@ static struct platform_driver mv643xx_eth_shared_driver = {
.driver = {
.name = MV643XX_ETH_SHARED_NAME,
.owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(mv643xx_eth_shared_ids),
},
};
@@ -2701,6 +2857,15 @@ static int mv643xx_eth_probe(struct platform_device *pdev)
mp->dev = dev;
+ /* Kirkwood resets some registers on gated clocks. Especially
+ * CLK125_BYPASS_EN must be cleared but is not available on
+ * all other SoCs/System Controllers using this driver.
+ */
+ if (of_device_is_compatible(pdev->dev.of_node,
+ "marvell,kirkwood-eth-port"))
+ wrlp(mp, PORT_SERIAL_CONTROL1,
+ rdlp(mp, PORT_SERIAL_CONTROL1) & ~CLK125_BYPASS_EN);
+
/*
* Start with a default rate, and if there is a clock, allow
* it to override the default.
@@ -2710,23 +2875,35 @@ static int mv643xx_eth_probe(struct platform_device *pdev)
if (!IS_ERR(mp->clk)) {
clk_prepare_enable(mp->clk);
mp->t_clk = clk_get_rate(mp->clk);
+ } else if (!IS_ERR(mp->shared->clk)) {
+ mp->t_clk = clk_get_rate(mp->shared->clk);
}
set_params(mp, pd);
netif_set_real_num_tx_queues(dev, mp->txq_count);
netif_set_real_num_rx_queues(dev, mp->rxq_count);
- if (pd->phy_addr != MV643XX_ETH_PHY_NONE) {
+ err = 0;
+ if (pd->phy_node) {
+ mp->phy = of_phy_connect(mp->dev, pd->phy_node,
+ mv643xx_eth_adjust_link, 0,
+ PHY_INTERFACE_MODE_GMII);
+ if (!mp->phy)
+ err = -ENODEV;
+ } else if (pd->phy_addr != MV643XX_ETH_PHY_NONE) {
mp->phy = phy_scan(mp, pd->phy_addr);
- if (IS_ERR(mp->phy)) {
+ if (IS_ERR(mp->phy))
err = PTR_ERR(mp->phy);
- if (err == -ENODEV)
- err = -EPROBE_DEFER;
- goto out;
- }
- phy_init(mp, pd->speed, pd->duplex);
+ else
+ phy_init(mp, pd->speed, pd->duplex);
}
+ if (err == -ENODEV) {
+ err = -EPROBE_DEFER;
+ goto out;
+ }
+ if (err)
+ goto out;
SET_ETHTOOL_OPS(dev, &mv643xx_eth_ethtool_ops);
@@ -2805,7 +2982,7 @@ static int mv643xx_eth_remove(struct platform_device *pdev)
unregister_netdev(mp->dev);
if (mp->phy != NULL)
- phy_detach(mp->phy);
+ phy_disconnect(mp->phy);
cancel_work_sync(&mp->tx_timeout_task);
if (!IS_ERR(mp->clk))
@@ -2813,8 +2990,6 @@ static int mv643xx_eth_remove(struct platform_device *pdev)
free_netdev(mp->dev);
- platform_set_drvdata(pdev, NULL);
-
return 0;
}
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index c96678555233..712779fb12b7 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -2251,6 +2251,21 @@ static int mvneta_change_mtu(struct net_device *dev, int mtu)
return 0;
}
+/* Get mac address */
+static void mvneta_get_mac_addr(struct mvneta_port *pp, unsigned char *addr)
+{
+ u32 mac_addr_l, mac_addr_h;
+
+ mac_addr_l = mvreg_read(pp, MVNETA_MAC_ADDR_LOW);
+ mac_addr_h = mvreg_read(pp, MVNETA_MAC_ADDR_HIGH);
+ addr[0] = (mac_addr_h >> 24) & 0xFF;
+ addr[1] = (mac_addr_h >> 16) & 0xFF;
+ addr[2] = (mac_addr_h >> 8) & 0xFF;
+ addr[3] = mac_addr_h & 0xFF;
+ addr[4] = (mac_addr_l >> 8) & 0xFF;
+ addr[5] = mac_addr_l & 0xFF;
+}
+
/* Handle setting mac address */
static int mvneta_set_mac_addr(struct net_device *dev, void *addr)
{
@@ -2667,7 +2682,9 @@ static int mvneta_probe(struct platform_device *pdev)
u32 phy_addr;
struct mvneta_port *pp;
struct net_device *dev;
- const char *mac_addr;
+ const char *dt_mac_addr;
+ char hw_mac_addr[ETH_ALEN];
+ const char *mac_from;
int phy_mode;
int err;
@@ -2703,13 +2720,6 @@ static int mvneta_probe(struct platform_device *pdev)
goto err_free_irq;
}
- mac_addr = of_get_mac_address(dn);
-
- if (!mac_addr || !is_valid_ether_addr(mac_addr))
- eth_hw_addr_random(dev);
- else
- memcpy(dev->dev_addr, mac_addr, ETH_ALEN);
-
dev->tx_queue_len = MVNETA_MAX_TXD;
dev->watchdog_timeo = 5 * HZ;
dev->netdev_ops = &mvneta_netdev_ops;
@@ -2740,6 +2750,21 @@ static int mvneta_probe(struct platform_device *pdev)
clk_prepare_enable(pp->clk);
+ dt_mac_addr = of_get_mac_address(dn);
+ if (dt_mac_addr && is_valid_ether_addr(dt_mac_addr)) {
+ mac_from = "device tree";
+ memcpy(dev->dev_addr, dt_mac_addr, ETH_ALEN);
+ } else {
+ mvneta_get_mac_addr(pp, hw_mac_addr);
+ if (is_valid_ether_addr(hw_mac_addr)) {
+ mac_from = "hardware";
+ memcpy(dev->dev_addr, hw_mac_addr, ETH_ALEN);
+ } else {
+ mac_from = "random";
+ eth_hw_addr_random(dev);
+ }
+ }
+
pp->tx_done_timer.data = (unsigned long)dev;
pp->tx_ring_size = MVNETA_MAX_TXD;
@@ -2772,7 +2797,8 @@ static int mvneta_probe(struct platform_device *pdev)
goto err_deinit;
}
- netdev_info(dev, "mac: %pM\n", dev->dev_addr);
+ netdev_info(dev, "Using %s mac address %pM\n", mac_from,
+ dev->dev_addr);
platform_set_drvdata(pdev, pp->dev);
@@ -2804,8 +2830,6 @@ static int mvneta_remove(struct platform_device *pdev)
irq_dispose_mapping(dev->irq);
free_netdev(dev);
- platform_set_drvdata(pdev, NULL);
-
return 0;
}
diff --git a/drivers/net/ethernet/marvell/pxa168_eth.c b/drivers/net/ethernet/marvell/pxa168_eth.c
index 1c8af8ba08d9..db481477bcc5 100644
--- a/drivers/net/ethernet/marvell/pxa168_eth.c
+++ b/drivers/net/ethernet/marvell/pxa168_eth.c
@@ -357,7 +357,7 @@ static void rxq_refill(struct net_device *dev)
/* Get 'used' Rx descriptor */
used_rx_desc = pep->rx_used_desc_q;
p_used_rx_desc = &pep->p_rx_desc_area[used_rx_desc];
- size = skb->end - skb->data;
+ size = skb_end_pointer(skb) - skb->data;
p_used_rx_desc->buf_ptr = dma_map_single(NULL,
skb->data,
size,
@@ -1602,7 +1602,6 @@ static int pxa168_eth_remove(struct platform_device *pdev)
unregister_netdev(dev);
cancel_work_sync(&pep->tx_timeout_task);
free_netdev(dev);
- platform_set_drvdata(pdev, NULL);
return 0;
}
diff --git a/drivers/net/ethernet/marvell/skge.c b/drivers/net/ethernet/marvell/skge.c
index 171f4b3dda07..c896079728e1 100644
--- a/drivers/net/ethernet/marvell/skge.c
+++ b/drivers/net/ethernet/marvell/skge.c
@@ -3706,7 +3706,7 @@ static const struct file_operations skge_debug_fops = {
static int skge_device_event(struct notifier_block *unused,
unsigned long event, void *ptr)
{
- struct net_device *dev = ptr;
+ struct net_device *dev = netdev_notifier_info_to_dev(ptr);
struct skge_port *skge;
struct dentry *d;
diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
index d175bbd3ffd3..e09a8c6f8536 100644
--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -4642,7 +4642,7 @@ static const struct file_operations sky2_debug_fops = {
static int sky2_device_event(struct notifier_block *unused,
unsigned long event, void *ptr)
{
- struct net_device *dev = ptr;
+ struct net_device *dev = netdev_notifier_info_to_dev(ptr);
struct sky2_port *sky2 = netdev_priv(dev);
if (dev->netdev_ops->ndo_open != sky2_open || !sky2_debug)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-22 21:51:51 +0000