This patch integrate DPAA2 ethernet driver existing PHY framework.
Call phy_connect and phy_config as per available DPMAC id defined
in SerDes Protcol.
Signed-off-by: Pratiyush Mohan Srivastava <pratiyush.srivast...@nxp.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar.kushw...@nxp.com>
---
drivers/net/ldpaa_eth/ldpaa_eth.c | 116 ++++++++++++++++++++++++++++----------
1 file changed, 85 insertions(+), 31 deletions(-)
diff --git a/drivers/net/ldpaa_eth/ldpaa_eth.c
b/drivers/net/ldpaa_eth/ldpaa_eth.c
index 3857122..0a82bc6 100644
--- a/drivers/net/ldpaa_eth/ldpaa_eth.c
+++ b/drivers/net/ldpaa_eth/ldpaa_eth.c
@@ -14,15 +14,34 @@
#include <linux/compat.h>
#include <fsl-mc/fsl_dpmac.h>
+#include <fsl-mc/ldpaa_wriop.h>
#include "ldpaa_eth.h"
-#undef CONFIG_PHYLIB
+#ifdef CONFIG_PHYLIB
static int init_phy(struct eth_device *dev)
{
- /*TODO for external PHY */
+ struct ldpaa_eth_priv *priv = (struct ldpaa_eth_priv *)dev->priv;
+ struct phy_device *phydev = NULL;
+ struct mii_dev *bus;
+
+ bus = wriop_get_mdio(priv->dpmac_id);
+ if (bus == NULL)
+ return 0;
+
+ phydev = phy_connect(bus, wriop_get_phy_address(priv->dpmac_id),
+ dev, wriop_get_enet_if(priv->dpmac_id));
+ if (!phydev) {
+ printf("Failed to connect\n");
+ return -1;
+ }
+
+ priv->phydev = phydev;
+
+ phy_config(phydev);
return 0;
}
+#endif
#ifdef DEBUG
static void ldpaa_eth_get_dpni_counter(void)
@@ -303,7 +322,9 @@ static int ldpaa_eth_open(struct eth_device *net_dev, bd_t
*bd)
#ifdef DEBUG
struct dpni_link_state link_state;
#endif
- int err;
+ int err = 0;
+ struct mii_dev *bus;
+ phy_interface_t enet_if;
if (net_dev->state == ETH_STATE_ACTIVE)
return 0;
@@ -317,11 +338,48 @@ static int ldpaa_eth_open(struct eth_device *net_dev,
bd_t *bd)
printf("ERROR (DPL is deployed. No device available)\n");
return -ENODEV;
}
+
/* DPMAC initialization */
err = ldpaa_dpmac_setup(priv);
if (err < 0)
goto err_dpmac_setup;
+#ifdef CONFIG_PHYLIB
+ if (priv->phydev)
+ err = phy_startup(priv->phydev);
+ if (err) {
+ printf("%s: Could not initialize\n",
+ priv->phydev->dev->name);
+ goto err_dpamc_bind;
+ }
+#else
+ priv->phydev = (struct phy_device *)malloc(sizeof(struct phy_device));
+ memset(priv->phydev, 0, sizeof(struct phy_device));
+
+ priv->phydev->speed = SPEED_1000;
+ priv->phydev->link = 1;
+ priv->phydev->duplex = DUPLEX_FULL;
+#endif
+
+ bus = wriop_get_mdio(priv->dpmac_id);
+ enet_if = wriop_get_enet_if(priv->dpmac_id);
+ if ((bus == NULL) &&
+ (enet_if == PHY_INTERFACE_MODE_XGMII)) {
+ priv->phydev = (struct phy_device *)
+ malloc(sizeof(struct phy_device));
+ memset(priv->phydev, 0, sizeof(struct phy_device));
+
+ priv->phydev->speed = SPEED_10000;
+ priv->phydev->link = 1;
+ priv->phydev->duplex = DUPLEX_FULL;
+ }
+
+ if (!priv->phydev->link) {
+ printf("%s: No link.\n", priv->phydev->dev->name);
+ err = -1;
+ goto err_dpamc_bind;
+ }
+
/* DPMAC binding DPNI */
err = ldpaa_dpmac_bind(priv);
if (err)
@@ -348,28 +406,24 @@ static int ldpaa_eth_open(struct eth_device *net_dev,
bd_t *bd)
return err;
}
-#ifdef CONFIG_PHYLIB
- /* TODO Check this path */
- err = phy_startup(priv->phydev);
- if (err) {
- printf("%s: Could not initialize\n", priv->phydev->dev->name);
- return err;
- }
-#else
- priv->phydev->speed = SPEED_1000;
- priv->phydev->link = 1;
- priv->phydev->duplex = DUPLEX_FULL;
-#endif
-
err = dpni_enable(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpni->dpni_handle);
if (err < 0) {
printf("dpni_enable() failed\n");
return err;
}
- dpmac_link_state.rate = SPEED_1000;
- dpmac_link_state.options = DPMAC_LINK_OPT_AUTONEG;
- dpmac_link_state.up = 1;
+ dpmac_link_state.rate = priv->phydev->speed;
+
+ if (priv->phydev->autoneg == AUTONEG_DISABLE)
+ dpmac_link_state.options &= ~DPMAC_LINK_OPT_AUTONEG;
+ else
+ dpmac_link_state.options |= DPMAC_LINK_OPT_AUTONEG;
+
+ if (priv->phydev->duplex == DUPLEX_HALF)
+ dpmac_link_state.options |= DPMAC_LINK_OPT_HALF_DUPLEX;
+
+ dpmac_link_state.up = priv->phydev->link;
+
err = dpmac_set_link_state(dflt_mc_io, MC_CMD_NO_FLAGS,
priv->dpmac_handle, &dpmac_link_state);
if (err < 0) {
@@ -407,10 +461,7 @@ static int ldpaa_eth_open(struct eth_device *net_dev, bd_t
*bd)
goto err_qdid;
}
- if (!priv->phydev->link)
- printf("%s: No link.\n", priv->phydev->dev->name);
-
- return priv->phydev->link ? 0 : -1;
+ return priv->phydev->link;
err_qdid:
err_rx_flow:
@@ -418,9 +469,10 @@ err_rx_flow:
err_dpni_bind:
ldpaa_dpbp_free();
err_dpbp_setup:
-err_dpamc_bind:
dpni_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpni->dpni_handle);
err_dpni_setup:
+err_dpamc_bind:
+ dpmac_destroy(dflt_mc_io, MC_CMD_NO_FLAGS, priv->dpmac_handle);
err_dpmac_setup:
return err;
}
@@ -429,6 +481,9 @@ static void ldpaa_eth_stop(struct eth_device *net_dev)
{
struct ldpaa_eth_priv *priv = (struct ldpaa_eth_priv *)net_dev->priv;
int err = 0;
+#ifdef CONFIG_PHYLIB
+ struct mii_dev *bus = wriop_get_mdio(priv->dpmac_id);
+#endif
if ((net_dev->state == ETH_STATE_PASSIVE) ||
(net_dev->state == ETH_STATE_INIT))
@@ -453,7 +508,10 @@ static void ldpaa_eth_stop(struct eth_device *net_dev)
printf("dpni_disable() failed\n");
#ifdef CONFIG_PHYLIB
- phy_shutdown(priv->phydev);
+ if (priv->phydev && bus != NULL)
+ phy_shutdown(priv->phydev);
+ else
+ free(priv->phydev);
#endif
ldpaa_dpbp_free();
@@ -798,15 +856,11 @@ static int ldpaa_eth_netdev_init(struct eth_device
*net_dev,
net_dev->halt = ldpaa_eth_stop;
net_dev->send = ldpaa_eth_tx;
net_dev->recv = ldpaa_eth_pull_dequeue_rx;
-/*
- TODO: PHY MDIO information
- priv->bus = info->bus;
- priv->phyaddr = info->phy_addr;
- priv->enet_if = info->enet_if;
-*/
+#ifdef CONFIG_PHYLIB
if (init_phy(net_dev))
return 0;
+#endif
err = eth_register(net_dev);
if (err < 0) {
--
1.9.1
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