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-rw-r--r--drivers/net/designware.c118
-rw-r--r--drivers/net/designware.h1
-rw-r--r--include/configs/spear-common.h1
3 files changed, 51 insertions, 69 deletions
diff --git a/drivers/net/designware.c b/drivers/net/designware.c
index 8f22e00..326d550 100644
--- a/drivers/net/designware.c
+++ b/drivers/net/designware.c
@@ -28,6 +28,7 @@
#include <common.h>
#include <miiphy.h>
#include <malloc.h>
+#include <linux/compiler.h>
#include <linux/err.h>
#include <asm/io.h>
#include "designware.h"
@@ -153,6 +154,13 @@ static int dw_eth_init(struct eth_device *dev, bd_t *bis)
if (priv->phy_configured != 1)
configure_phy(dev);
+ /* Print link status only once */
+ if (!priv->link_printed) {
+ printf("ENET Speed is %d Mbps - %s duplex connection\n",
+ priv->speed, (priv->duplex == HALF) ? "HALF" : "FULL");
+ priv->link_printed = 1;
+ }
+
/* Reset ethernet hardware */
if (mac_reset(dev) < 0)
return -1;
@@ -168,17 +176,17 @@ static int dw_eth_init(struct eth_device *dev, bd_t *bis)
conf = FRAMEBURSTENABLE | DISABLERXOWN;
- if (priv->speed != SPEED_1000M)
+ if (priv->speed != 1000)
conf |= MII_PORTSELECT;
if ((priv->interface != PHY_INTERFACE_MODE_MII) &&
(priv->interface != PHY_INTERFACE_MODE_GMII)) {
- if (priv->speed == SPEED_100M)
+ if (priv->speed == 100)
conf |= FES_100;
}
- if (priv->duplex == FULL_DUPLEX)
+ if (priv->duplex == FULL)
conf |= FULLDPLXMODE;
writel(conf, &mac_p->conf);
@@ -396,6 +404,16 @@ static int dw_reset_phy(struct eth_device *dev)
return 0;
}
+/*
+ * Add weak default function for board specific PHY configuration
+ */
+int __weak designware_board_phy_init(struct eth_device *dev, int phy_addr,
+ int (*mii_write)(struct eth_device *, u8, u8, u16),
+ int dw_reset_phy(struct eth_device *))
+{
+ return 0;
+}
+
static int configure_phy(struct eth_device *dev)
{
struct dw_eth_dev *priv = dev->priv;
@@ -405,9 +423,6 @@ static int configure_phy(struct eth_device *dev)
u16 bmsr;
u32 timeout;
ulong start;
- u16 anlpar, btsr;
-#else
- u16 ctrl;
#endif
#if defined(CONFIG_DW_SEARCH_PHY)
@@ -419,6 +434,16 @@ static int configure_phy(struct eth_device *dev)
#else
phy_addr = priv->address;
#endif
+
+ /*
+ * Some boards need board specific PHY initialization. This is
+ * after the main driver init code but before the auto negotiation
+ * is run.
+ */
+ if (designware_board_phy_init(dev, phy_addr,
+ eth_mdio_write, dw_reset_phy) < 0)
+ return -1;
+
if (dw_reset_phy(dev) < 0)
return -1;
@@ -444,72 +469,32 @@ static int configure_phy(struct eth_device *dev)
#if defined(CONFIG_DW_AUTONEG)
timeout = CONFIG_AUTONEG_TIMEOUT;
start = get_timer(0);
-
+ puts("Waiting for PHY auto negotiation to complete");
while (get_timer(start) < timeout) {
eth_mdio_read(dev, phy_addr, MII_BMSR, &bmsr);
- if (bmsr & BMSR_ANEGCOMPLETE)
+ if (bmsr & BMSR_ANEGCOMPLETE) {
+ priv->phy_configured = 1;
break;
-
- /* Try again after 10usec */
- udelay(10);
- };
-
- eth_mdio_read(dev, phy_addr, MII_LPA, &anlpar);
- eth_mdio_read(dev, phy_addr, MII_STAT1000, &btsr);
-
- if (bmsr & BMSR_ANEGCOMPLETE) {
- if (btsr & PHY_1000BTSR_1000FD) {
- priv->speed = SPEED_1000M;
- bmcr |= BMCR_SPEED1000;
- priv->duplex = FULL_DUPLEX;
- bmcr |= BMCR_FULLDPLX;
- } else if (btsr & PHY_1000BTSR_1000HD) {
- priv->speed = SPEED_1000M;
- bmcr |= BMCR_SPEED1000;
- priv->duplex = HALF_DUPLEX;
- bmcr &= ~BMCR_FULLDPLX;
- } else if (anlpar & LPA_100FULL) {
- priv->speed = SPEED_100M;
- bmcr |= BMCR_SPEED100;
- priv->duplex = FULL_DUPLEX;
- bmcr |= BMCR_FULLDPLX;
- } else if (anlpar & LPA_100HALF) {
- priv->speed = SPEED_100M;
- bmcr |= BMCR_SPEED100;
- priv->duplex = HALF_DUPLEX;
- bmcr &= ~BMCR_FULLDPLX;
- } else if (anlpar & LPA_10FULL) {
- priv->speed = SPEED_10M;
- bmcr &= ~BMCR_SPEED100;
- priv->duplex = FULL_DUPLEX;
- bmcr |= BMCR_FULLDPLX;
- } else {
- priv->speed = SPEED_10M;
- bmcr &= ~BMCR_SPEED100;
- priv->duplex = HALF_DUPLEX;
- bmcr &= ~BMCR_FULLDPLX;
}
- if (eth_mdio_write(dev, phy_addr, MII_BMCR, bmcr) < 0)
- return -1;
- } else
- return -1;
-#else
- if (eth_mdio_read(dev, phy_addr, MII_BMCR, &ctrl) < 0)
- return -1;
- if (ctrl & BMCR_FULLDPLX)
- priv->duplex = FULL_DUPLEX;
- else
- priv->duplex = HALF_DUPLEX;
+ /* Print dot all 1s to show progress */
+ if ((get_timer(start) % 1000) == 0)
+ putc('.');
+
+ /* Try again after 1msec */
+ udelay(1000);
+ };
- if (ctrl & BMCR_SPEED1000)
- priv->speed = SPEED_1000M;
- else if (ctrl & BMCR_SPEED100)
- priv->speed = SPEED_100M;
+ if (!(bmsr & BMSR_ANEGCOMPLETE))
+ puts(" TIMEOUT!\n");
else
- priv->speed = SPEED_10M;
-#endif
+ puts(" done\n");
+#else
priv->phy_configured = 1;
+#endif
+
+ priv->speed = miiphy_speed(dev->name, phy_addr);
+ priv->duplex = miiphy_duplex(dev->name, phy_addr);
return 0;
}
@@ -574,11 +559,6 @@ int designware_initialize(u32 id, ulong base_addr, u32 phy_addr, u32 interface)
priv->phy_configured = 0;
priv->interface = interface;
- if (mac_reset(dev) < 0)
- return -1;
-
- configure_phy(dev);
-
dev->init = dw_eth_init;
dev->send = dw_eth_send;
dev->recv = dw_eth_recv;
diff --git a/drivers/net/designware.h b/drivers/net/designware.h
index 40020bf..d668f8f 100644
--- a/drivers/net/designware.h
+++ b/drivers/net/designware.h
@@ -240,6 +240,7 @@ struct dw_eth_dev {
u32 tx_currdescnum;
u32 rx_currdescnum;
u32 phy_configured;
+ int link_printed;
u32 padding;
struct dmamacdescr tx_mac_descrtable[CONFIG_TX_DESCR_NUM];
diff --git a/include/configs/spear-common.h b/include/configs/spear-common.h
index 36c2a8b..a6d1cfb 100644
--- a/include/configs/spear-common.h
+++ b/include/configs/spear-common.h
@@ -38,6 +38,7 @@
#define CONFIG_NET_MULTI
#define CONFIG_PHY_RESET_DELAY 10000 /* in usec */
#define CONFIG_DW_AUTONEG
+#define CONFIG_PHY_GIGE /* Include GbE speed/duplex detection */
/* USBD driver configuration */
#if defined(CONFIG_SPEAR_USBTTY)
generated by cgit v1.1 at 2024-12-16 11:08:39 +0000