* (C) Copyright 2010
* Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com.
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
/*
#include <common.h>
#include <miiphy.h>
#include <malloc.h>
+#include <linux/compiler.h>
#include <linux/err.h>
#include <asm/io.h>
#include "designware.h"
ulong start;
int timeout = CONFIG_MACRESET_TIMEOUT;
- writel(DMAMAC_SRST, &dma_p->busmode);
- writel(MII_PORTSELECT, &mac_p->conf);
+ writel(readl(&dma_p->busmode) | DMAMAC_SRST, &dma_p->busmode);
+
+ if (priv->interface != PHY_INTERFACE_MODE_RGMII)
+ writel(MII_PORTSELECT, &mac_p->conf);
start = get_timer(0);
while (get_timer(start) < timeout) {
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;
writel(FIXEDBURST | PRIORXTX_41 | BURST_16,
&dma_p->busmode);
- writel(FLUSHTXFIFO | readl(&dma_p->opmode), &dma_p->opmode);
- writel(STOREFORWARD | TXSECONDFRAME, &dma_p->opmode);
+ writel(readl(&dma_p->opmode) | FLUSHTXFIFO | STOREFORWARD |
+ TXSECONDFRAME, &dma_p->opmode);
conf = FRAMEBURSTENABLE | DISABLERXOWN;
- if (priv->speed != SPEED_1000M)
+ if (priv->speed != 1000)
conf |= MII_PORTSELECT;
- if (priv->duplex == FULL_DUPLEX)
+ if ((priv->interface != PHY_INTERFACE_MODE_MII) &&
+ (priv->interface != PHY_INTERFACE_MODE_GMII)) {
+
+ if (priv->speed == 100)
+ conf |= FES_100;
+ }
+
+ if (priv->duplex == FULL)
conf |= FULLDPLXMODE;
writel(conf, &mac_p->conf);
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;
u16 bmsr;
u32 timeout;
ulong start;
- u16 anlpar, btsr;
-#else
- u16 ctrl;
#endif
#if defined(CONFIG_DW_SEARCH_PHY)
#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;
#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('.');
- if (ctrl & BMCR_SPEED1000)
- priv->speed = SPEED_1000M;
- else if (ctrl & BMCR_SPEED100)
- priv->speed = SPEED_100M;
+ /* Try again after 1msec */
+ udelay(1000);
+ };
+
+ 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;
}
}
#endif
-int designware_initialize(u32 id, ulong base_addr, u32 phy_addr)
+int designware_initialize(u32 id, ulong base_addr, u32 phy_addr, u32 interface)
{
struct eth_device *dev;
struct dw_eth_dev *priv;
DW_DMA_BASE_OFFSET);
priv->address = phy_addr;
priv->phy_configured = 0;
-
- if (mac_reset(dev) < 0)
- return -1;
-
- configure_phy(dev);
+ priv->interface = interface;
dev->init = dw_eth_init;
dev->send = dw_eth_send;
projects / karo-tx-uboot.git / blobdiff