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path: root/drivers/net/e1000/e1000_main.c
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Diffstat (limited to 'drivers/net/e1000/e1000_main.c')
-rw-r--r--drivers/net/e1000/e1000_main.c65
1 files changed, 54 insertions, 11 deletions
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 4d62f7bfa03..bfab14092d2 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -28,6 +28,12 @@
#include "e1000.h"
#include <net/ip6_checksum.h>
+#include <linux/io.h>
+
+/* Intel Media SOC GbE MDIO physical base address */
+static unsigned long ce4100_gbe_mdio_base_phy;
+/* Intel Media SOC GbE MDIO virtual base address */
+void __iomem *ce4100_gbe_mdio_base_virt;
char e1000_driver_name[] = "e1000";
static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver";
@@ -79,6 +85,7 @@ static DEFINE_PCI_DEVICE_TABLE(e1000_pci_tbl) = {
INTEL_E1000_ETHERNET_DEVICE(0x108A),
INTEL_E1000_ETHERNET_DEVICE(0x1099),
INTEL_E1000_ETHERNET_DEVICE(0x10B5),
+ INTEL_E1000_ETHERNET_DEVICE(0x2E6E),
/* required last entry */
{0,}
};
@@ -459,6 +466,7 @@ static void e1000_power_down_phy(struct e1000_adapter *adapter)
case e1000_82545:
case e1000_82545_rev_3:
case e1000_82546:
+ case e1000_ce4100:
case e1000_82546_rev_3:
case e1000_82541:
case e1000_82541_rev_2:
@@ -573,6 +581,7 @@ void e1000_reset(struct e1000_adapter *adapter)
case e1000_82545:
case e1000_82545_rev_3:
case e1000_82546:
+ case e1000_ce4100:
case e1000_82546_rev_3:
pba = E1000_PBA_48K;
break;
@@ -894,6 +903,7 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
static int global_quad_port_a = 0; /* global ksp3 port a indication */
int i, err, pci_using_dac;
u16 eeprom_data = 0;
+ u16 tmp = 0;
u16 eeprom_apme_mask = E1000_EEPROM_APME;
int bars, need_ioport;
@@ -971,11 +981,13 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
*/
dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
pci_using_dac = 1;
- } else if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) {
- dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
} else {
- pr_err("No usable DMA config, aborting\n");
- goto err_dma;
+ err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
+ if (err) {
+ pr_err("No usable DMA config, aborting\n");
+ goto err_dma;
+ }
+ dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
}
netdev->netdev_ops = &e1000_netdev_ops;
@@ -994,6 +1006,14 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
goto err_sw_init;
err = -EIO;
+ if (hw->mac_type == e1000_ce4100) {
+ ce4100_gbe_mdio_base_phy = pci_resource_start(pdev, BAR_1);
+ ce4100_gbe_mdio_base_virt = ioremap(ce4100_gbe_mdio_base_phy,
+ pci_resource_len(pdev, BAR_1));
+
+ if (!ce4100_gbe_mdio_base_virt)
+ goto err_mdio_ioremap;
+ }
if (hw->mac_type >= e1000_82543) {
netdev->features = NETIF_F_SG |
@@ -1133,6 +1153,20 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
adapter->wol = adapter->eeprom_wol;
device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
+ /* Auto detect PHY address */
+ if (hw->mac_type == e1000_ce4100) {
+ for (i = 0; i < 32; i++) {
+ hw->phy_addr = i;
+ e1000_read_phy_reg(hw, PHY_ID2, &tmp);
+ if (tmp == 0 || tmp == 0xFF) {
+ if (i == 31)
+ goto err_eeprom;
+ continue;
+ } else
+ break;
+ }
+ }
+
/* reset the hardware with the new settings */
e1000_reset(adapter);
@@ -1169,6 +1203,8 @@ err_eeprom:
kfree(adapter->rx_ring);
err_dma:
err_sw_init:
+err_mdio_ioremap:
+ iounmap(ce4100_gbe_mdio_base_virt);
iounmap(hw->hw_addr);
err_ioremap:
free_netdev(netdev);
@@ -1407,6 +1443,7 @@ static bool e1000_check_64k_bound(struct e1000_adapter *adapter, void *start,
/* First rev 82545 and 82546 need to not allow any memory
* write location to cross 64k boundary due to errata 23 */
if (hw->mac_type == e1000_82545 ||
+ hw->mac_type == e1000_ce4100 ||
hw->mac_type == e1000_82546) {
return ((begin ^ (end - 1)) >> 16) != 0 ? false : true;
}
@@ -1429,13 +1466,12 @@ static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
int size;
size = sizeof(struct e1000_buffer) * txdr->count;
- txdr->buffer_info = vmalloc(size);
+ txdr->buffer_info = vzalloc(size);
if (!txdr->buffer_info) {
e_err(probe, "Unable to allocate memory for the Tx descriptor "
"ring\n");
return -ENOMEM;
}
- memset(txdr->buffer_info, 0, size);
/* round up to nearest 4K */
@@ -1625,13 +1661,12 @@ static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
int size, desc_len;
size = sizeof(struct e1000_buffer) * rxdr->count;
- rxdr->buffer_info = vmalloc(size);
+ rxdr->buffer_info = vzalloc(size);
if (!rxdr->buffer_info) {
e_err(probe, "Unable to allocate memory for the Rx descriptor "
"ring\n");
return -ENOMEM;
}
- memset(rxdr->buffer_info, 0, size);
desc_len = sizeof(struct e1000_rx_desc);
@@ -2198,7 +2233,7 @@ static void e1000_set_rx_mode(struct net_device *netdev)
* addresses take precedence to avoid disabling unicast filtering
* when possible.
*
- * RAR 0 is used for the station MAC adddress
+ * RAR 0 is used for the station MAC address
* if there are not 14 addresses, go ahead and clear the filters
*/
i = 1;
@@ -2726,7 +2761,7 @@ static bool e1000_tx_csum(struct e1000_adapter *adapter,
break;
}
- css = skb_transport_offset(skb);
+ css = skb_checksum_start_offset(skb);
i = tx_ring->next_to_use;
buffer_info = &tx_ring->buffer_info[i];
@@ -3443,9 +3478,17 @@ static irqreturn_t e1000_intr(int irq, void *data)
struct e1000_hw *hw = &adapter->hw;
u32 icr = er32(ICR);
- if (unlikely((!icr) || test_bit(__E1000_DOWN, &adapter->flags)))
+ if (unlikely((!icr)))
return IRQ_NONE; /* Not our interrupt */
+ /*
+ * we might have caused the interrupt, but the above
+ * read cleared it, and just in case the driver is
+ * down there is nothing to do so return handled
+ */
+ if (unlikely(test_bit(__E1000_DOWN, &adapter->flags)))
+ return IRQ_HANDLED;
+
if (unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) {
hw->get_link_status = 1;
/* guard against interrupt when we're going down */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-25 07:02:20 +0000