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path: root/drivers/net/ethernet/amd/xgbe/xgbe-main.c
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Diffstat (limited to 'drivers/net/ethernet/amd/xgbe/xgbe-main.c')
-rw-r--r--drivers/net/ethernet/amd/xgbe/xgbe-main.c214
1 files changed, 62 insertions, 152 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-main.c b/drivers/net/ethernet/amd/xgbe/xgbe-main.c
index 6997f1110ece..38c5985c52ef 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-main.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-main.c
@@ -125,6 +125,7 @@
#include <linux/of_net.h>
#include <linux/of_address.h>
#include <linux/of_platform.h>
+#include <linux/of_device.h>
#include <linux/clk.h>
#include <linux/property.h>
#include <linux/acpi.h>
@@ -145,42 +146,6 @@ MODULE_PARM_DESC(debug, " Network interface message level setting");
static const u32 default_msg_level = (NETIF_MSG_LINK | NETIF_MSG_IFDOWN |
NETIF_MSG_IFUP);
-static const u32 xgbe_serdes_blwc[] = {
- XGBE_SPEED_1000_BLWC,
- XGBE_SPEED_2500_BLWC,
- XGBE_SPEED_10000_BLWC,
-};
-
-static const u32 xgbe_serdes_cdr_rate[] = {
- XGBE_SPEED_1000_CDR,
- XGBE_SPEED_2500_CDR,
- XGBE_SPEED_10000_CDR,
-};
-
-static const u32 xgbe_serdes_pq_skew[] = {
- XGBE_SPEED_1000_PQ,
- XGBE_SPEED_2500_PQ,
- XGBE_SPEED_10000_PQ,
-};
-
-static const u32 xgbe_serdes_tx_amp[] = {
- XGBE_SPEED_1000_TXAMP,
- XGBE_SPEED_2500_TXAMP,
- XGBE_SPEED_10000_TXAMP,
-};
-
-static const u32 xgbe_serdes_dfe_tap_cfg[] = {
- XGBE_SPEED_1000_DFE_TAP_CONFIG,
- XGBE_SPEED_2500_DFE_TAP_CONFIG,
- XGBE_SPEED_10000_DFE_TAP_CONFIG,
-};
-
-static const u32 xgbe_serdes_dfe_tap_ena[] = {
- XGBE_SPEED_1000_DFE_TAP_ENABLE,
- XGBE_SPEED_2500_DFE_TAP_ENABLE,
- XGBE_SPEED_10000_DFE_TAP_ENABLE,
-};
-
static void xgbe_default_config(struct xgbe_prv_data *pdata)
{
DBGPR("-->xgbe_default_config\n");
@@ -207,9 +172,22 @@ static void xgbe_init_all_fptrs(struct xgbe_prv_data *pdata)
xgbe_init_function_ptrs_dev(&pdata->hw_if);
xgbe_init_function_ptrs_phy(&pdata->phy_if);
xgbe_init_function_ptrs_desc(&pdata->desc_if);
+
+ pdata->vdata->init_function_ptrs_phy_impl(&pdata->phy_if);
}
#ifdef CONFIG_ACPI
+static const struct acpi_device_id xgbe_acpi_match[];
+
+static struct xgbe_version_data *xgbe_acpi_vdata(struct xgbe_prv_data *pdata)
+{
+ const struct acpi_device_id *id;
+
+ id = acpi_match_device(xgbe_acpi_match, pdata->dev);
+
+ return id ? (struct xgbe_version_data *)id->driver_data : NULL;
+}
+
static int xgbe_acpi_support(struct xgbe_prv_data *pdata)
{
struct device *dev = pdata->dev;
@@ -237,6 +215,11 @@ static int xgbe_acpi_support(struct xgbe_prv_data *pdata)
return 0;
}
#else /* CONFIG_ACPI */
+static struct xgbe_version_data *xgbe_acpi_vdata(struct xgbe_prv_data *pdata)
+{
+ return NULL;
+}
+
static int xgbe_acpi_support(struct xgbe_prv_data *pdata)
{
return -EINVAL;
@@ -244,6 +227,17 @@ static int xgbe_acpi_support(struct xgbe_prv_data *pdata)
#endif /* CONFIG_ACPI */
#ifdef CONFIG_OF
+static const struct of_device_id xgbe_of_match[];
+
+static struct xgbe_version_data *xgbe_of_vdata(struct xgbe_prv_data *pdata)
+{
+ const struct of_device_id *id;
+
+ id = of_match_device(xgbe_of_match, pdata->dev);
+
+ return id ? (struct xgbe_version_data *)id->data : NULL;
+}
+
static int xgbe_of_support(struct xgbe_prv_data *pdata)
{
struct device *dev = pdata->dev;
@@ -292,6 +286,11 @@ static struct platform_device *xgbe_of_get_phy_pdev(struct xgbe_prv_data *pdata)
return phy_pdev;
}
#else /* CONFIG_OF */
+static struct xgbe_version_data *xgbe_of_vdata(struct xgbe_prv_data *pdata)
+{
+ return NULL;
+}
+
static int xgbe_of_support(struct xgbe_prv_data *pdata)
{
return -EINVAL;
@@ -333,11 +332,17 @@ static struct platform_device *xgbe_get_phy_pdev(struct xgbe_prv_data *pdata)
return phy_pdev;
}
+static struct xgbe_version_data *xgbe_get_vdata(struct xgbe_prv_data *pdata)
+{
+ return pdata->use_acpi ? xgbe_acpi_vdata(pdata)
+ : xgbe_of_vdata(pdata);
+}
+
static int xgbe_probe(struct platform_device *pdev)
{
struct xgbe_prv_data *pdata;
struct net_device *netdev;
- struct device *dev = &pdev->dev, *phy_dev;
+ struct device *dev = &pdev->dev;
struct platform_device *phy_pdev;
struct resource *res;
const char *phy_mode;
@@ -374,13 +379,17 @@ static int xgbe_probe(struct platform_device *pdev)
/* Check if we should use ACPI or DT */
pdata->use_acpi = dev->of_node ? 0 : 1;
+ /* Get the version data */
+ pdata->vdata = xgbe_get_vdata(pdata);
+
phy_pdev = xgbe_get_phy_pdev(pdata);
if (!phy_pdev) {
dev_err(dev, "unable to obtain phy device\n");
ret = -EINVAL;
goto err_phydev;
}
- phy_dev = &phy_pdev->dev;
+ pdata->phy_pdev = phy_pdev;
+ pdata->phy_dev = &phy_pdev->dev;
if (pdev == phy_pdev) {
/* New style device tree or ACPI:
@@ -492,115 +501,6 @@ static int xgbe_probe(struct platform_device *pdev)
if (device_property_present(dev, XGBE_DMA_IRQS_PROPERTY))
pdata->per_channel_irq = 1;
- /* Retrieve the PHY speedset */
- ret = device_property_read_u32(phy_dev, XGBE_SPEEDSET_PROPERTY,
- &pdata->speed_set);
- if (ret) {
- dev_err(dev, "invalid %s property\n", XGBE_SPEEDSET_PROPERTY);
- goto err_io;
- }
-
- switch (pdata->speed_set) {
- case XGBE_SPEEDSET_1000_10000:
- case XGBE_SPEEDSET_2500_10000:
- break;
- default:
- dev_err(dev, "invalid %s property\n", XGBE_SPEEDSET_PROPERTY);
- ret = -EINVAL;
- goto err_io;
- }
-
- /* Retrieve the PHY configuration properties */
- if (device_property_present(phy_dev, XGBE_BLWC_PROPERTY)) {
- ret = device_property_read_u32_array(phy_dev,
- XGBE_BLWC_PROPERTY,
- pdata->serdes_blwc,
- XGBE_SPEEDS);
- if (ret) {
- dev_err(dev, "invalid %s property\n",
- XGBE_BLWC_PROPERTY);
- goto err_io;
- }
- } else {
- memcpy(pdata->serdes_blwc, xgbe_serdes_blwc,
- sizeof(pdata->serdes_blwc));
- }
-
- if (device_property_present(phy_dev, XGBE_CDR_RATE_PROPERTY)) {
- ret = device_property_read_u32_array(phy_dev,
- XGBE_CDR_RATE_PROPERTY,
- pdata->serdes_cdr_rate,
- XGBE_SPEEDS);
- if (ret) {
- dev_err(dev, "invalid %s property\n",
- XGBE_CDR_RATE_PROPERTY);
- goto err_io;
- }
- } else {
- memcpy(pdata->serdes_cdr_rate, xgbe_serdes_cdr_rate,
- sizeof(pdata->serdes_cdr_rate));
- }
-
- if (device_property_present(phy_dev, XGBE_PQ_SKEW_PROPERTY)) {
- ret = device_property_read_u32_array(phy_dev,
- XGBE_PQ_SKEW_PROPERTY,
- pdata->serdes_pq_skew,
- XGBE_SPEEDS);
- if (ret) {
- dev_err(dev, "invalid %s property\n",
- XGBE_PQ_SKEW_PROPERTY);
- goto err_io;
- }
- } else {
- memcpy(pdata->serdes_pq_skew, xgbe_serdes_pq_skew,
- sizeof(pdata->serdes_pq_skew));
- }
-
- if (device_property_present(phy_dev, XGBE_TX_AMP_PROPERTY)) {
- ret = device_property_read_u32_array(phy_dev,
- XGBE_TX_AMP_PROPERTY,
- pdata->serdes_tx_amp,
- XGBE_SPEEDS);
- if (ret) {
- dev_err(dev, "invalid %s property\n",
- XGBE_TX_AMP_PROPERTY);
- goto err_io;
- }
- } else {
- memcpy(pdata->serdes_tx_amp, xgbe_serdes_tx_amp,
- sizeof(pdata->serdes_tx_amp));
- }
-
- if (device_property_present(phy_dev, XGBE_DFE_CFG_PROPERTY)) {
- ret = device_property_read_u32_array(phy_dev,
- XGBE_DFE_CFG_PROPERTY,
- pdata->serdes_dfe_tap_cfg,
- XGBE_SPEEDS);
- if (ret) {
- dev_err(dev, "invalid %s property\n",
- XGBE_DFE_CFG_PROPERTY);
- goto err_io;
- }
- } else {
- memcpy(pdata->serdes_dfe_tap_cfg, xgbe_serdes_dfe_tap_cfg,
- sizeof(pdata->serdes_dfe_tap_cfg));
- }
-
- if (device_property_present(phy_dev, XGBE_DFE_ENA_PROPERTY)) {
- ret = device_property_read_u32_array(phy_dev,
- XGBE_DFE_ENA_PROPERTY,
- pdata->serdes_dfe_tap_ena,
- XGBE_SPEEDS);
- if (ret) {
- dev_err(dev, "invalid %s property\n",
- XGBE_DFE_ENA_PROPERTY);
- goto err_io;
- }
- } else {
- memcpy(pdata->serdes_dfe_tap_ena, xgbe_serdes_dfe_tap_ena,
- sizeof(pdata->serdes_dfe_tap_ena));
- }
-
/* Obtain device settings unique to ACPI/OF */
if (pdata->use_acpi)
ret = xgbe_acpi_support(pdata);
@@ -705,7 +605,9 @@ static int xgbe_probe(struct platform_device *pdev)
XGMAC_SET_BITS(pdata->rss_options, MAC_RSSCR, UDP4TE, 1);
/* Call MDIO/PHY initialization routine */
- pdata->phy_if.phy_init(pdata);
+ ret = pdata->phy_if.phy_init(pdata);
+ if (ret)
+ goto err_io;
/* Set device operations */
netdev->netdev_ops = xgbe_get_netdev_ops();
@@ -780,8 +682,6 @@ static int xgbe_probe(struct platform_device *pdev)
xgbe_debugfs_init(pdata);
- platform_device_put(phy_pdev);
-
netdev_notice(netdev, "net device enabled\n");
DBGPR("<-- xgbe_probe\n");
@@ -817,6 +717,8 @@ static int xgbe_remove(struct platform_device *pdev)
xgbe_ptp_unregister(pdata);
+ pdata->phy_if.phy_exit(pdata);
+
flush_workqueue(pdata->an_workqueue);
destroy_workqueue(pdata->an_workqueue);
@@ -825,6 +727,8 @@ static int xgbe_remove(struct platform_device *pdev)
unregister_netdev(netdev);
+ platform_device_put(pdata->phy_pdev);
+
free_netdev(netdev);
DBGPR("<--xgbe_remove\n");
@@ -879,9 +783,14 @@ static int xgbe_resume(struct device *dev)
}
#endif /* CONFIG_PM */
+static const struct xgbe_version_data xgbe_v1 = {
+ .init_function_ptrs_phy_impl = xgbe_init_function_ptrs_phy_v1,
+};
+
#ifdef CONFIG_ACPI
static const struct acpi_device_id xgbe_acpi_match[] = {
- { "AMDI8001", 0 },
+ { .id = "AMDI8001",
+ .driver_data = (kernel_ulong_t)&xgbe_v1 },
{},
};
@@ -890,7 +799,8 @@ MODULE_DEVICE_TABLE(acpi, xgbe_acpi_match);
#ifdef CONFIG_OF
static const struct of_device_id xgbe_of_match[] = {
- { .compatible = "amd,xgbe-seattle-v1a", },
+ { .compatible = "amd,xgbe-seattle-v1a",
+ .data = &xgbe_v1 },
{},
};