New upstream version 18.08upstream/18.08

Change-Id: I32fdf5e5016556d9c0a6d88ddaf1fc468961790a
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>

1 files changed, 1066 insertions, 0 deletions

diff --git a/drivers/net/axgbe/axgbe_mdio.c b/drivers/net/axgbe/axgbe_mdio.c
new file mode 100644
index 00000000..2721e5cc
--- /dev/null
+++ b/drivers/net/axgbe/axgbe_mdio.c
@@ -0,0 +1,1066 @@
+/*   SPDX-License-Identifier: BSD-3-Clause
+ *   Copyright(c) 2018 Advanced Micro Devices, Inc. All rights reserved.
+ *   Copyright(c) 2018 Synopsys, Inc. All rights reserved.
+ */
+
+#include "axgbe_ethdev.h"
+#include "axgbe_common.h"
+#include "axgbe_phy.h"
+
+static void axgbe_an37_clear_interrupts(struct axgbe_port *pdata)
+{
+	int reg;
+
+	reg = XMDIO_READ(pdata, MDIO_MMD_VEND2, MDIO_VEND2_AN_STAT);
+	reg &= ~AXGBE_AN_CL37_INT_MASK;
+	XMDIO_WRITE(pdata, MDIO_MMD_VEND2, MDIO_VEND2_AN_STAT, reg);
+}
+
+static void axgbe_an37_disable_interrupts(struct axgbe_port *pdata)
+{
+	int reg;
+
+	reg = XMDIO_READ(pdata, MDIO_MMD_VEND2, MDIO_VEND2_AN_CTRL);
+	reg &= ~AXGBE_AN_CL37_INT_MASK;
+	XMDIO_WRITE(pdata, MDIO_MMD_VEND2, MDIO_VEND2_AN_CTRL, reg);
+
+	reg = XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_PCS_DIG_CTRL);
+	reg &= ~AXGBE_PCS_CL37_BP;
+	XMDIO_WRITE(pdata, MDIO_MMD_PCS, MDIO_PCS_DIG_CTRL, reg);
+}
+
+static void axgbe_an73_clear_interrupts(struct axgbe_port *pdata)
+{
+	XMDIO_WRITE(pdata, MDIO_MMD_AN, MDIO_AN_INT, 0);
+}
+
+static void axgbe_an73_disable_interrupts(struct axgbe_port *pdata)
+{
+	XMDIO_WRITE(pdata, MDIO_MMD_AN, MDIO_AN_INTMASK, 0);
+}
+
+static void axgbe_an73_enable_interrupts(struct axgbe_port *pdata)
+{
+	XMDIO_WRITE(pdata, MDIO_MMD_AN, MDIO_AN_INTMASK,
+		    AXGBE_AN_CL73_INT_MASK);
+}
+
+static void axgbe_an_enable_interrupts(struct axgbe_port *pdata)
+{
+	switch (pdata->an_mode) {
+	case AXGBE_AN_MODE_CL73:
+	case AXGBE_AN_MODE_CL73_REDRV:
+		axgbe_an73_enable_interrupts(pdata);
+		break;
+	case AXGBE_AN_MODE_CL37:
+	case AXGBE_AN_MODE_CL37_SGMII:
+		PMD_DRV_LOG(ERR, "Unsupported AN_MOD_37\n");
+		break;
+	default:
+		break;
+	}
+}
+
+static void axgbe_an_clear_interrupts_all(struct axgbe_port *pdata)
+{
+	axgbe_an73_clear_interrupts(pdata);
+	axgbe_an37_clear_interrupts(pdata);
+}
+
+static void axgbe_an73_enable_kr_training(struct axgbe_port *pdata)
+{
+	unsigned int reg;
+
+	reg = XMDIO_READ(pdata, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_PMD_CTRL);
+
+	reg |= AXGBE_KR_TRAINING_ENABLE;
+	XMDIO_WRITE(pdata, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_PMD_CTRL, reg);
+}
+
+static void axgbe_an73_disable_kr_training(struct axgbe_port *pdata)
+{
+	unsigned int reg;
+
+	reg = XMDIO_READ(pdata, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_PMD_CTRL);
+
+	reg &= ~AXGBE_KR_TRAINING_ENABLE;
+	XMDIO_WRITE(pdata, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_PMD_CTRL, reg);
+}
+
+static void axgbe_kr_mode(struct axgbe_port *pdata)
+{
+	/* Enable KR training */
+	axgbe_an73_enable_kr_training(pdata);
+
+	/* Set MAC to 10G speed */
+	pdata->hw_if.set_speed(pdata, SPEED_10000);
+
+	/* Call PHY implementation support to complete rate change */
+	pdata->phy_if.phy_impl.set_mode(pdata, AXGBE_MODE_KR);
+}
+
+static void axgbe_kx_2500_mode(struct axgbe_port *pdata)
+{
+	/* Disable KR training */
+	axgbe_an73_disable_kr_training(pdata);
+
+	/* Set MAC to 2.5G speed */
+	pdata->hw_if.set_speed(pdata, SPEED_2500);
+
+	/* Call PHY implementation support to complete rate change */
+	pdata->phy_if.phy_impl.set_mode(pdata, AXGBE_MODE_KX_2500);
+}
+
+static void axgbe_kx_1000_mode(struct axgbe_port *pdata)
+{
+	/* Disable KR training */
+	axgbe_an73_disable_kr_training(pdata);
+
+	/* Set MAC to 1G speed */
+	pdata->hw_if.set_speed(pdata, SPEED_1000);
+
+	/* Call PHY implementation support to complete rate change */
+	pdata->phy_if.phy_impl.set_mode(pdata, AXGBE_MODE_KX_1000);
+}
+
+static void axgbe_sfi_mode(struct axgbe_port *pdata)
+{
+	/* If a KR re-driver is present, change to KR mode instead */
+	if (pdata->kr_redrv)
+		return axgbe_kr_mode(pdata);
+
+	/* Disable KR training */
+	axgbe_an73_disable_kr_training(pdata);
+
+	/* Set MAC to 10G speed */
+	pdata->hw_if.set_speed(pdata, SPEED_10000);
+
+	/* Call PHY implementation support to complete rate change */
+	pdata->phy_if.phy_impl.set_mode(pdata, AXGBE_MODE_SFI);
+}
+
+static void axgbe_x_mode(struct axgbe_port *pdata)
+{
+	/* Disable KR training */
+	axgbe_an73_disable_kr_training(pdata);
+
+	/* Set MAC to 1G speed */
+	pdata->hw_if.set_speed(pdata, SPEED_1000);
+
+	/* Call PHY implementation support to complete rate change */
+	pdata->phy_if.phy_impl.set_mode(pdata, AXGBE_MODE_X);
+}
+
+static void axgbe_sgmii_1000_mode(struct axgbe_port *pdata)
+{
+	/* Disable KR training */
+	axgbe_an73_disable_kr_training(pdata);
+
+	/* Set MAC to 1G speed */
+	pdata->hw_if.set_speed(pdata, SPEED_1000);
+
+	/* Call PHY implementation support to complete rate change */
+	pdata->phy_if.phy_impl.set_mode(pdata, AXGBE_MODE_SGMII_1000);
+}
+
+static void axgbe_sgmii_100_mode(struct axgbe_port *pdata)
+{
+	/* Disable KR training */
+	axgbe_an73_disable_kr_training(pdata);
+
+	/* Set MAC to 1G speed */
+	pdata->hw_if.set_speed(pdata, SPEED_1000);
+
+	/* Call PHY implementation support to complete rate change */
+	pdata->phy_if.phy_impl.set_mode(pdata, AXGBE_MODE_SGMII_100);
+}
+
+static enum axgbe_mode axgbe_cur_mode(struct axgbe_port *pdata)
+{
+	return pdata->phy_if.phy_impl.cur_mode(pdata);
+}
+
+static bool axgbe_in_kr_mode(struct axgbe_port *pdata)
+{
+	return axgbe_cur_mode(pdata) == AXGBE_MODE_KR;
+}
+
+static void axgbe_change_mode(struct axgbe_port *pdata,
+			      enum axgbe_mode mode)
+{
+	switch (mode) {
+	case AXGBE_MODE_KX_1000:
+		axgbe_kx_1000_mode(pdata);
+		break;
+	case AXGBE_MODE_KX_2500:
+		axgbe_kx_2500_mode(pdata);
+		break;
+	case AXGBE_MODE_KR:
+		axgbe_kr_mode(pdata);
+		break;
+	case AXGBE_MODE_SGMII_100:
+		axgbe_sgmii_100_mode(pdata);
+		break;
+	case AXGBE_MODE_SGMII_1000:
+		axgbe_sgmii_1000_mode(pdata);
+		break;
+	case AXGBE_MODE_X:
+		axgbe_x_mode(pdata);
+		break;
+	case AXGBE_MODE_SFI:
+		axgbe_sfi_mode(pdata);
+		break;
+	case AXGBE_MODE_UNKNOWN:
+		break;
+	default:
+		PMD_DRV_LOG(ERR, "invalid operation mode requested (%u)\n", mode);
+	}
+}
+
+static void axgbe_switch_mode(struct axgbe_port *pdata)
+{
+	axgbe_change_mode(pdata, pdata->phy_if.phy_impl.switch_mode(pdata));
+}
+
+static void axgbe_set_mode(struct axgbe_port *pdata,
+			   enum axgbe_mode mode)
+{
+	if (mode == axgbe_cur_mode(pdata))
+		return;
+
+	axgbe_change_mode(pdata, mode);
+}
+
+static bool axgbe_use_mode(struct axgbe_port *pdata,
+			   enum axgbe_mode mode)
+{
+	return pdata->phy_if.phy_impl.use_mode(pdata, mode);
+}
+
+static void axgbe_an37_set(struct axgbe_port *pdata, bool enable,
+			   bool restart)
+{
+	unsigned int reg;
+
+	reg = XMDIO_READ(pdata, MDIO_MMD_VEND2, MDIO_CTRL1);
+	reg &= ~MDIO_VEND2_CTRL1_AN_ENABLE;
+
+	if (enable)
+		reg |= MDIO_VEND2_CTRL1_AN_ENABLE;
+
+	if (restart)
+		reg |= MDIO_VEND2_CTRL1_AN_RESTART;
+
+	XMDIO_WRITE(pdata, MDIO_MMD_VEND2, MDIO_CTRL1, reg);
+}
+
+static void axgbe_an37_disable(struct axgbe_port *pdata)
+{
+	axgbe_an37_set(pdata, false, false);
+	axgbe_an37_disable_interrupts(pdata);
+}
+
+static void axgbe_an73_set(struct axgbe_port *pdata, bool enable,
+			   bool restart)
+{
+	unsigned int reg;
+
+	reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_CTRL1);
+	reg &= ~MDIO_AN_CTRL1_ENABLE;
+
+	if (enable)
+		reg |= MDIO_AN_CTRL1_ENABLE;
+
+	if (restart)
+		reg |= MDIO_AN_CTRL1_RESTART;
+
+	XMDIO_WRITE(pdata, MDIO_MMD_AN, MDIO_CTRL1, reg);
+}
+
+static void axgbe_an73_restart(struct axgbe_port *pdata)
+{
+	axgbe_an73_enable_interrupts(pdata);
+	axgbe_an73_set(pdata, true, true);
+}
+
+static void axgbe_an73_disable(struct axgbe_port *pdata)
+{
+	axgbe_an73_set(pdata, false, false);
+	axgbe_an73_disable_interrupts(pdata);
+	pdata->an_start = 0;
+}
+
+static void axgbe_an_restart(struct axgbe_port *pdata)
+{
+	if (pdata->phy_if.phy_impl.an_pre)
+		pdata->phy_if.phy_impl.an_pre(pdata);
+
+	switch (pdata->an_mode) {
+	case AXGBE_AN_MODE_CL73:
+	case AXGBE_AN_MODE_CL73_REDRV:
+		axgbe_an73_restart(pdata);
+		break;
+	case AXGBE_AN_MODE_CL37:
+	case AXGBE_AN_MODE_CL37_SGMII:
+		PMD_DRV_LOG(ERR, "Unsupported AN_MODE_CL37\n");
+		break;
+	default:
+		break;
+	}
+}
+
+static void axgbe_an_disable(struct axgbe_port *pdata)
+{
+	if (pdata->phy_if.phy_impl.an_post)
+		pdata->phy_if.phy_impl.an_post(pdata);
+
+	switch (pdata->an_mode) {
+	case AXGBE_AN_MODE_CL73:
+	case AXGBE_AN_MODE_CL73_REDRV:
+		axgbe_an73_disable(pdata);
+		break;
+	case AXGBE_AN_MODE_CL37:
+	case AXGBE_AN_MODE_CL37_SGMII:
+		PMD_DRV_LOG(ERR, "Unsupported AN_MODE_CL37\n");
+		break;
+	default:
+		break;
+	}
+}
+
+static void axgbe_an_disable_all(struct axgbe_port *pdata)
+{
+	axgbe_an73_disable(pdata);
+	axgbe_an37_disable(pdata);
+}
+
+static enum axgbe_an axgbe_an73_tx_training(struct axgbe_port *pdata,
+					    enum axgbe_rx *state)
+{
+	unsigned int ad_reg, lp_reg, reg;
+
+	*state = AXGBE_RX_COMPLETE;
+
+	/* If we're not in KR mode then we're done */
+	if (!axgbe_in_kr_mode(pdata))
+		return AXGBE_AN_PAGE_RECEIVED;
+
+	/* Enable/Disable FEC */
+	ad_reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 2);
+	lp_reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_LPA + 2);
+
+	reg = XMDIO_READ(pdata, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_FECCTRL);
+	reg &= ~(MDIO_PMA_10GBR_FECABLE_ABLE | MDIO_PMA_10GBR_FECABLE_ERRABLE);
+	if ((ad_reg & 0xc000) && (lp_reg & 0xc000))
+		reg |= pdata->fec_ability;
+	XMDIO_WRITE(pdata, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_FECCTRL, reg);
+
+	/* Start KR training */
+	reg = XMDIO_READ(pdata, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_PMD_CTRL);
+	if (reg & AXGBE_KR_TRAINING_ENABLE) {
+		if (pdata->phy_if.phy_impl.kr_training_pre)
+			pdata->phy_if.phy_impl.kr_training_pre(pdata);
+
+		reg |= AXGBE_KR_TRAINING_START;
+		XMDIO_WRITE(pdata, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_PMD_CTRL,
+			    reg);
+
+		if (pdata->phy_if.phy_impl.kr_training_post)
+			pdata->phy_if.phy_impl.kr_training_post(pdata);
+	}
+
+	return AXGBE_AN_PAGE_RECEIVED;
+}
+
+static enum axgbe_an axgbe_an73_tx_xnp(struct axgbe_port *pdata,
+				       enum axgbe_rx *state)
+{
+	u16 msg;
+
+	*state = AXGBE_RX_XNP;
+
+	msg = AXGBE_XNP_MCF_NULL_MESSAGE;
+	msg |= AXGBE_XNP_MP_FORMATTED;
+
+	XMDIO_WRITE(pdata, MDIO_MMD_AN, MDIO_AN_XNP + 2, 0);
+	XMDIO_WRITE(pdata, MDIO_MMD_AN, MDIO_AN_XNP + 1, 0);
+	XMDIO_WRITE(pdata, MDIO_MMD_AN, MDIO_AN_XNP, msg);
+
+	return AXGBE_AN_PAGE_RECEIVED;
+}
+
+static enum axgbe_an axgbe_an73_rx_bpa(struct axgbe_port *pdata,
+				       enum axgbe_rx *state)
+{
+	unsigned int link_support;
+	unsigned int reg, ad_reg, lp_reg;
+
+	/* Read Base Ability register 2 first */
+	reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_LPA + 1);
+
+	/* Check for a supported mode, otherwise restart in a different one */
+	link_support = axgbe_in_kr_mode(pdata) ? 0x80 : 0x20;
+	if (!(reg & link_support))
+		return AXGBE_AN_INCOMPAT_LINK;
+
+	/* Check Extended Next Page support */
+	ad_reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE);
+	lp_reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_LPA);
+
+	return ((ad_reg & AXGBE_XNP_NP_EXCHANGE) ||
+		(lp_reg & AXGBE_XNP_NP_EXCHANGE))
+		? axgbe_an73_tx_xnp(pdata, state)
+		: axgbe_an73_tx_training(pdata, state);
+}
+
+static enum axgbe_an axgbe_an73_rx_xnp(struct axgbe_port *pdata,
+				       enum axgbe_rx *state)
+{
+	unsigned int ad_reg, lp_reg;
+
+	/* Check Extended Next Page support */
+	ad_reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_XNP);
+	lp_reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_LPX);
+
+	return ((ad_reg & AXGBE_XNP_NP_EXCHANGE) ||
+		(lp_reg & AXGBE_XNP_NP_EXCHANGE))
+		? axgbe_an73_tx_xnp(pdata, state)
+		: axgbe_an73_tx_training(pdata, state);
+}
+
+static enum axgbe_an axgbe_an73_page_received(struct axgbe_port *pdata)
+{
+	enum axgbe_rx *state;
+	unsigned long an_timeout;
+	enum axgbe_an ret;
+	unsigned long ticks;
+
+	if (!pdata->an_start) {
+		pdata->an_start = rte_get_timer_cycles();
+	} else {
+		an_timeout = pdata->an_start +
+			msecs_to_timer_cycles(AXGBE_AN_MS_TIMEOUT);
+		ticks = rte_get_timer_cycles();
+		if (time_after(ticks, an_timeout)) {
+			/* Auto-negotiation timed out, reset state */
+			pdata->kr_state = AXGBE_RX_BPA;
+			pdata->kx_state = AXGBE_RX_BPA;
+
+			pdata->an_start = rte_get_timer_cycles();
+		}
+	}
+
+	state = axgbe_in_kr_mode(pdata) ? &pdata->kr_state
+		: &pdata->kx_state;
+
+	switch (*state) {
+	case AXGBE_RX_BPA:
+		ret = axgbe_an73_rx_bpa(pdata, state);
+		break;
+	case AXGBE_RX_XNP:
+		ret = axgbe_an73_rx_xnp(pdata, state);
+		break;
+	default:
+		ret = AXGBE_AN_ERROR;
+	}
+
+	return ret;
+}
+
+static enum axgbe_an axgbe_an73_incompat_link(struct axgbe_port *pdata)
+{
+	/* Be sure we aren't looping trying to negotiate */
+	if (axgbe_in_kr_mode(pdata)) {
+		pdata->kr_state = AXGBE_RX_ERROR;
+
+		if (!(pdata->phy.advertising & ADVERTISED_1000baseKX_Full) &&
+		    !(pdata->phy.advertising & ADVERTISED_2500baseX_Full))
+			return AXGBE_AN_NO_LINK;
+
+		if (pdata->kx_state != AXGBE_RX_BPA)
+			return AXGBE_AN_NO_LINK;
+	} else {
+		pdata->kx_state = AXGBE_RX_ERROR;
+
+		if (!(pdata->phy.advertising & ADVERTISED_10000baseKR_Full))
+			return AXGBE_AN_NO_LINK;
+
+		if (pdata->kr_state != AXGBE_RX_BPA)
+			return AXGBE_AN_NO_LINK;
+	}
+
+	axgbe_an_disable(pdata);
+	axgbe_switch_mode(pdata);
+	axgbe_an_restart(pdata);
+
+	return AXGBE_AN_INCOMPAT_LINK;
+}
+
+static void axgbe_an73_state_machine(struct axgbe_port *pdata)
+{
+	enum axgbe_an cur_state = pdata->an_state;
+
+	if (!pdata->an_int)
+		return;
+
+next_int:
+	if (pdata->an_int & AXGBE_AN_CL73_PG_RCV) {
+		pdata->an_state = AXGBE_AN_PAGE_RECEIVED;
+		pdata->an_int &= ~AXGBE_AN_CL73_PG_RCV;
+	} else if (pdata->an_int & AXGBE_AN_CL73_INC_LINK) {
+		pdata->an_state = AXGBE_AN_INCOMPAT_LINK;
+		pdata->an_int &= ~AXGBE_AN_CL73_INC_LINK;
+	} else if (pdata->an_int & AXGBE_AN_CL73_INT_CMPLT) {
+		pdata->an_state = AXGBE_AN_COMPLETE;
+		pdata->an_int &= ~AXGBE_AN_CL73_INT_CMPLT;
+	} else {
+		pdata->an_state = AXGBE_AN_ERROR;
+	}
+
+again:
+	cur_state = pdata->an_state;
+
+	switch (pdata->an_state) {
+	case AXGBE_AN_READY:
+		pdata->an_supported = 0;
+		break;
+	case AXGBE_AN_PAGE_RECEIVED:
+		pdata->an_state = axgbe_an73_page_received(pdata);
+		pdata->an_supported++;
+		break;
+	case AXGBE_AN_INCOMPAT_LINK:
+		pdata->an_supported = 0;
+		pdata->parallel_detect = 0;
+		pdata->an_state = axgbe_an73_incompat_link(pdata);
+		break;
+	case AXGBE_AN_COMPLETE:
+		pdata->parallel_detect = pdata->an_supported ? 0 : 1;
+		break;
+	case AXGBE_AN_NO_LINK:
+		break;
+	default:
+		pdata->an_state = AXGBE_AN_ERROR;
+	}
+
+	if (pdata->an_state == AXGBE_AN_NO_LINK) {
+		pdata->an_int = 0;
+		axgbe_an73_clear_interrupts(pdata);
+		pdata->eth_dev->data->dev_link.link_status =
+			ETH_LINK_DOWN;
+	} else if (pdata->an_state == AXGBE_AN_ERROR) {
+		PMD_DRV_LOG(ERR, "error during auto-negotiation, state=%u\n",
+			    cur_state);
+		pdata->an_int = 0;
+		axgbe_an73_clear_interrupts(pdata);
+	}
+
+	if (pdata->an_state >= AXGBE_AN_COMPLETE) {
+		pdata->an_result = pdata->an_state;
+		pdata->an_state = AXGBE_AN_READY;
+		pdata->kr_state = AXGBE_RX_BPA;
+		pdata->kx_state = AXGBE_RX_BPA;
+		pdata->an_start = 0;
+		if (pdata->phy_if.phy_impl.an_post)
+			pdata->phy_if.phy_impl.an_post(pdata);
+	}
+
+	if (cur_state != pdata->an_state)
+		goto again;
+
+	if (pdata->an_int)
+		goto next_int;
+
+	axgbe_an73_enable_interrupts(pdata);
+}
+
+static void axgbe_an73_isr(struct axgbe_port *pdata)
+{
+	/* Disable AN interrupts */
+	axgbe_an73_disable_interrupts(pdata);
+
+	/* Save the interrupt(s) that fired */
+	pdata->an_int = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_INT);
+
+	if (pdata->an_int) {
+		/* Clear the interrupt(s) that fired and process them */
+		XMDIO_WRITE(pdata, MDIO_MMD_AN, MDIO_AN_INT, ~pdata->an_int);
+		pthread_mutex_lock(&pdata->an_mutex);
+		axgbe_an73_state_machine(pdata);
+		pthread_mutex_unlock(&pdata->an_mutex);
+	} else {
+		/* Enable AN interrupts */
+		axgbe_an73_enable_interrupts(pdata);
+	}
+}
+
+static void axgbe_an_isr(struct axgbe_port *pdata)
+{
+	switch (pdata->an_mode) {
+	case AXGBE_AN_MODE_CL73:
+	case AXGBE_AN_MODE_CL73_REDRV:
+		axgbe_an73_isr(pdata);
+		break;
+	case AXGBE_AN_MODE_CL37:
+	case AXGBE_AN_MODE_CL37_SGMII:
+		PMD_DRV_LOG(ERR, "AN_MODE_37 not supported\n");
+		break;
+	default:
+		break;
+	}
+}
+
+static void axgbe_an_combined_isr(struct axgbe_port *pdata)
+{
+	axgbe_an_isr(pdata);
+}
+
+static void axgbe_an73_init(struct axgbe_port *pdata)
+{
+	unsigned int advertising, reg;
+
+	advertising = pdata->phy_if.phy_impl.an_advertising(pdata);
+
+	/* Set up Advertisement register 3 first */
+	reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 2);
+	if (advertising & ADVERTISED_10000baseR_FEC)
+		reg |= 0xc000;
+	else
+		reg &= ~0xc000;
+
+	XMDIO_WRITE(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 2, reg);
+
+	/* Set up Advertisement register 2 next */
+	reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 1);
+	if (advertising & ADVERTISED_10000baseKR_Full)
+		reg |= 0x80;
+	else
+		reg &= ~0x80;
+
+	if ((advertising & ADVERTISED_1000baseKX_Full) ||
+	    (advertising & ADVERTISED_2500baseX_Full))
+		reg |= 0x20;
+	else
+		reg &= ~0x20;
+
+	XMDIO_WRITE(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 1, reg);
+
+	/* Set up Advertisement register 1 last */
+	reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE);
+	if (advertising & ADVERTISED_Pause)
+		reg |= 0x400;
+	else
+		reg &= ~0x400;
+
+	if (advertising & ADVERTISED_Asym_Pause)
+		reg |= 0x800;
+	else
+		reg &= ~0x800;
+
+	/* We don't intend to perform XNP */
+	reg &= ~AXGBE_XNP_NP_EXCHANGE;
+
+	XMDIO_WRITE(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE, reg);
+}
+
+static void axgbe_an_init(struct axgbe_port *pdata)
+{
+	/* Set up advertisement registers based on current settings */
+	pdata->an_mode = pdata->phy_if.phy_impl.an_mode(pdata);
+	switch (pdata->an_mode) {
+	case AXGBE_AN_MODE_CL73:
+	case AXGBE_AN_MODE_CL73_REDRV:
+		axgbe_an73_init(pdata);
+		break;
+	case AXGBE_AN_MODE_CL37:
+	case AXGBE_AN_MODE_CL37_SGMII:
+		PMD_DRV_LOG(ERR, "Unsupported AN_CL37\n");
+		break;
+	default:
+		break;
+	}
+}
+
+static void axgbe_phy_adjust_link(struct axgbe_port *pdata)
+{
+	if (pdata->phy.link) {
+		/* Flow control support */
+		pdata->pause_autoneg = pdata->phy.pause_autoneg;
+
+		if (pdata->tx_pause != (unsigned int)pdata->phy.tx_pause) {
+			pdata->hw_if.config_tx_flow_control(pdata);
+			pdata->tx_pause = pdata->phy.tx_pause;
+		}
+
+		if (pdata->rx_pause != (unsigned int)pdata->phy.rx_pause) {
+			pdata->hw_if.config_rx_flow_control(pdata);
+			pdata->rx_pause = pdata->phy.rx_pause;
+		}
+
+		/* Speed support */
+		if (pdata->phy_speed != pdata->phy.speed)
+			pdata->phy_speed = pdata->phy.speed;
+		if (pdata->phy_link != pdata->phy.link)
+			pdata->phy_link = pdata->phy.link;
+	} else if (pdata->phy_link) {
+		pdata->phy_link = 0;
+		pdata->phy_speed = SPEED_UNKNOWN;
+	}
+}
+
+static int axgbe_phy_config_fixed(struct axgbe_port *pdata)
+{
+	enum axgbe_mode mode;
+
+	/* Disable auto-negotiation */
+	axgbe_an_disable(pdata);
+
+	/* Set specified mode for specified speed */
+	mode = pdata->phy_if.phy_impl.get_mode(pdata, pdata->phy.speed);
+	switch (mode) {
+	case AXGBE_MODE_KX_1000:
+	case AXGBE_MODE_KX_2500:
+	case AXGBE_MODE_KR:
+	case AXGBE_MODE_SGMII_100:
+	case AXGBE_MODE_SGMII_1000:
+	case AXGBE_MODE_X:
+	case AXGBE_MODE_SFI:
+		break;
+	case AXGBE_MODE_UNKNOWN:
+	default:
+		return -EINVAL;
+	}
+
+	/* Validate duplex mode */
+	if (pdata->phy.duplex != DUPLEX_FULL)
+		return -EINVAL;
+
+	axgbe_set_mode(pdata, mode);
+
+	return 0;
+}
+
+static int __axgbe_phy_config_aneg(struct axgbe_port *pdata)
+{
+	int ret;
+
+	axgbe_set_bit(AXGBE_LINK_INIT, &pdata->dev_state);
+	pdata->link_check = rte_get_timer_cycles();
+
+	ret = pdata->phy_if.phy_impl.an_config(pdata);
+	if (ret)
+		return ret;
+
+	if (pdata->phy.autoneg != AUTONEG_ENABLE) {
+		ret = axgbe_phy_config_fixed(pdata);
+		if (ret || !pdata->kr_redrv)
+			return ret;
+	}
+
+	/* Disable auto-negotiation interrupt */
+	rte_intr_disable(&pdata->pci_dev->intr_handle);
+
+	/* Start auto-negotiation in a supported mode */
+	if (axgbe_use_mode(pdata, AXGBE_MODE_KR)) {
+		axgbe_set_mode(pdata, AXGBE_MODE_KR);
+	} else if (axgbe_use_mode(pdata, AXGBE_MODE_KX_2500)) {
+		axgbe_set_mode(pdata, AXGBE_MODE_KX_2500);
+	} else if (axgbe_use_mode(pdata, AXGBE_MODE_KX_1000)) {
+		axgbe_set_mode(pdata, AXGBE_MODE_KX_1000);
+	} else if (axgbe_use_mode(pdata, AXGBE_MODE_SFI)) {
+		axgbe_set_mode(pdata, AXGBE_MODE_SFI);
+	} else if (axgbe_use_mode(pdata, AXGBE_MODE_X)) {
+		axgbe_set_mode(pdata, AXGBE_MODE_X);
+	} else if (axgbe_use_mode(pdata, AXGBE_MODE_SGMII_1000)) {
+		axgbe_set_mode(pdata, AXGBE_MODE_SGMII_1000);
+	} else if (axgbe_use_mode(pdata, AXGBE_MODE_SGMII_100)) {
+		axgbe_set_mode(pdata, AXGBE_MODE_SGMII_100);
+	} else {
+		rte_intr_enable(&pdata->pci_dev->intr_handle);
+		return -EINVAL;
+	}
+
+	/* Disable and stop any in progress auto-negotiation */
+	axgbe_an_disable_all(pdata);
+
+	/* Clear any auto-negotitation interrupts */
+	axgbe_an_clear_interrupts_all(pdata);
+
+	pdata->an_result = AXGBE_AN_READY;
+	pdata->an_state = AXGBE_AN_READY;
+	pdata->kr_state = AXGBE_RX_BPA;
+	pdata->kx_state = AXGBE_RX_BPA;
+
+	/* Re-enable auto-negotiation interrupt */
+	rte_intr_enable(&pdata->pci_dev->intr_handle);
+
+	axgbe_an_init(pdata);
+	axgbe_an_restart(pdata);
+
+	return 0;
+}
+
+static int axgbe_phy_config_aneg(struct axgbe_port *pdata)
+{
+	int ret;
+
+	pthread_mutex_lock(&pdata->an_mutex);
+
+	ret = __axgbe_phy_config_aneg(pdata);
+	if (ret)
+		axgbe_set_bit(AXGBE_LINK_ERR, &pdata->dev_state);
+	else
+		axgbe_clear_bit(AXGBE_LINK_ERR, &pdata->dev_state);
+
+	pthread_mutex_unlock(&pdata->an_mutex);
+
+	return ret;
+}
+
+static bool axgbe_phy_aneg_done(struct axgbe_port *pdata)
+{
+	return pdata->an_result == AXGBE_AN_COMPLETE;
+}
+
+static void axgbe_check_link_timeout(struct axgbe_port *pdata)
+{
+	unsigned long link_timeout;
+	unsigned long ticks;
+
+	link_timeout = pdata->link_check + (AXGBE_LINK_TIMEOUT *
+					    2 *  rte_get_timer_hz());
+	ticks = rte_get_timer_cycles();
+	if (time_after(ticks, link_timeout))
+		axgbe_phy_config_aneg(pdata);
+}
+
+static enum axgbe_mode axgbe_phy_status_aneg(struct axgbe_port *pdata)
+{
+	return pdata->phy_if.phy_impl.an_outcome(pdata);
+}
+
+static void axgbe_phy_status_result(struct axgbe_port *pdata)
+{
+	enum axgbe_mode mode;
+
+	pdata->phy.lp_advertising = 0;
+
+	if ((pdata->phy.autoneg != AUTONEG_ENABLE) || pdata->parallel_detect)
+		mode = axgbe_cur_mode(pdata);
+	else
+		mode = axgbe_phy_status_aneg(pdata);
+
+	switch (mode) {
+	case AXGBE_MODE_SGMII_100:
+		pdata->phy.speed = SPEED_100;
+		break;
+	case AXGBE_MODE_X:
+	case AXGBE_MODE_KX_1000:
+	case AXGBE_MODE_SGMII_1000:
+		pdata->phy.speed = SPEED_1000;
+		break;
+	case AXGBE_MODE_KX_2500:
+		pdata->phy.speed = SPEED_2500;
+		break;
+	case AXGBE_MODE_KR:
+	case AXGBE_MODE_SFI:
+		pdata->phy.speed = SPEED_10000;
+		break;
+	case AXGBE_MODE_UNKNOWN:
+	default:
+		pdata->phy.speed = SPEED_UNKNOWN;
+	}
+
+	pdata->phy.duplex = DUPLEX_FULL;
+
+	axgbe_set_mode(pdata, mode);
+}
+
+static void axgbe_phy_status(struct axgbe_port *pdata)
+{
+	unsigned int link_aneg;
+	int an_restart;
+
+	if (axgbe_test_bit(AXGBE_LINK_ERR, &pdata->dev_state)) {
+		pdata->phy.link = 0;
+		goto adjust_link;
+	}
+
+	link_aneg = (pdata->phy.autoneg == AUTONEG_ENABLE);
+
+	pdata->phy.link = pdata->phy_if.phy_impl.link_status(pdata,
+							     &an_restart);
+	if (an_restart) {
+		axgbe_phy_config_aneg(pdata);
+		return;
+	}
+
+	if (pdata->phy.link) {
+		if (link_aneg && !axgbe_phy_aneg_done(pdata)) {
+			axgbe_check_link_timeout(pdata);
+			return;
+		}
+		axgbe_phy_status_result(pdata);
+		if (axgbe_test_bit(AXGBE_LINK_INIT, &pdata->dev_state))
+			axgbe_clear_bit(AXGBE_LINK_INIT, &pdata->dev_state);
+	} else {
+		if (axgbe_test_bit(AXGBE_LINK_INIT, &pdata->dev_state)) {
+			axgbe_check_link_timeout(pdata);
+
+			if (link_aneg)
+				return;
+		}
+		axgbe_phy_status_result(pdata);
+	}
+
+adjust_link:
+	axgbe_phy_adjust_link(pdata);
+}
+
+static void axgbe_phy_stop(struct axgbe_port *pdata)
+{
+	if (!pdata->phy_started)
+		return;
+	/* Indicate the PHY is down */
+	pdata->phy_started = 0;
+	/* Disable auto-negotiation */
+	axgbe_an_disable_all(pdata);
+	pdata->phy_if.phy_impl.stop(pdata);
+	pdata->phy.link = 0;
+	axgbe_phy_adjust_link(pdata);
+}
+
+static int axgbe_phy_start(struct axgbe_port *pdata)
+{
+	int ret;
+
+	ret = pdata->phy_if.phy_impl.start(pdata);
+	if (ret)
+		return ret;
+	/* Set initial mode - call the mode setting routines
+	 * directly to insure we are properly configured
+	 */
+	if (axgbe_use_mode(pdata, AXGBE_MODE_KR)) {
+		axgbe_kr_mode(pdata);
+	} else if (axgbe_use_mode(pdata, AXGBE_MODE_KX_2500)) {
+		axgbe_kx_2500_mode(pdata);
+	} else if (axgbe_use_mode(pdata, AXGBE_MODE_KX_1000)) {
+		axgbe_kx_1000_mode(pdata);
+	} else if (axgbe_use_mode(pdata, AXGBE_MODE_SFI)) {
+		axgbe_sfi_mode(pdata);
+	} else if (axgbe_use_mode(pdata, AXGBE_MODE_X)) {
+		axgbe_x_mode(pdata);
+	} else if (axgbe_use_mode(pdata, AXGBE_MODE_SGMII_1000)) {
+		axgbe_sgmii_1000_mode(pdata);
+	} else if (axgbe_use_mode(pdata, AXGBE_MODE_SGMII_100)) {
+		axgbe_sgmii_100_mode(pdata);
+	} else {
+		ret = -EINVAL;
+		goto err_stop;
+	}
+	/* Indicate the PHY is up and running */
+	pdata->phy_started = 1;
+	axgbe_an_init(pdata);
+	axgbe_an_enable_interrupts(pdata);
+	return axgbe_phy_config_aneg(pdata);
+
+err_stop:
+	pdata->phy_if.phy_impl.stop(pdata);
+
+	return ret;
+}
+
+static int axgbe_phy_reset(struct axgbe_port *pdata)
+{
+	int ret;
+
+	ret = pdata->phy_if.phy_impl.reset(pdata);
+	if (ret)
+		return ret;
+
+	/* Disable auto-negotiation for now */
+	axgbe_an_disable_all(pdata);
+
+	/* Clear auto-negotiation interrupts */
+	axgbe_an_clear_interrupts_all(pdata);
+
+	return 0;
+}
+
+static int axgbe_phy_best_advertised_speed(struct axgbe_port *pdata)
+{
+	if (pdata->phy.advertising & ADVERTISED_10000baseKR_Full)
+		return SPEED_10000;
+	else if (pdata->phy.advertising & ADVERTISED_10000baseT_Full)
+		return SPEED_10000;
+	else if (pdata->phy.advertising & ADVERTISED_2500baseX_Full)
+		return SPEED_2500;
+	else if (pdata->phy.advertising & ADVERTISED_1000baseKX_Full)
+		return SPEED_1000;
+	else if (pdata->phy.advertising & ADVERTISED_1000baseT_Full)
+		return SPEED_1000;
+	else if (pdata->phy.advertising & ADVERTISED_100baseT_Full)
+		return SPEED_100;
+
+	return SPEED_UNKNOWN;
+}
+
+static int axgbe_phy_init(struct axgbe_port *pdata)
+{
+	int ret;
+
+	pdata->mdio_mmd = MDIO_MMD_PCS;
+
+	/* Check for FEC support */
+	pdata->fec_ability = XMDIO_READ(pdata, MDIO_MMD_PMAPMD,
+					MDIO_PMA_10GBR_FECABLE);
+	pdata->fec_ability &= (MDIO_PMA_10GBR_FECABLE_ABLE |
+			       MDIO_PMA_10GBR_FECABLE_ERRABLE);
+
+	/* Setup the phy (including supported features) */
+	ret = pdata->phy_if.phy_impl.init(pdata);
+	if (ret)
+		return ret;
+	pdata->phy.advertising = pdata->phy.supported;
+
+	pdata->phy.address = 0;
+
+	if (pdata->phy.advertising & ADVERTISED_Autoneg) {
+		pdata->phy.autoneg = AUTONEG_ENABLE;
+		pdata->phy.speed = SPEED_UNKNOWN;
+		pdata->phy.duplex = DUPLEX_UNKNOWN;
+	} else {
+		pdata->phy.autoneg = AUTONEG_DISABLE;
+		pdata->phy.speed = axgbe_phy_best_advertised_speed(pdata);
+		pdata->phy.duplex = DUPLEX_FULL;
+	}
+
+	pdata->phy.link = 0;
+
+	pdata->phy.pause_autoneg = pdata->pause_autoneg;
+	pdata->phy.tx_pause = pdata->tx_pause;
+	pdata->phy.rx_pause = pdata->rx_pause;
+
+	/* Fix up Flow Control advertising */
+	pdata->phy.advertising &= ~ADVERTISED_Pause;
+	pdata->phy.advertising &= ~ADVERTISED_Asym_Pause;
+
+	if (pdata->rx_pause) {
+		pdata->phy.advertising |= ADVERTISED_Pause;
+		pdata->phy.advertising |= ADVERTISED_Asym_Pause;
+	}
+
+	if (pdata->tx_pause)
+		pdata->phy.advertising ^= ADVERTISED_Asym_Pause;
+	return 0;
+}
+
+void axgbe_init_function_ptrs_phy(struct axgbe_phy_if *phy_if)
+{
+	phy_if->phy_init        = axgbe_phy_init;
+	phy_if->phy_reset       = axgbe_phy_reset;
+	phy_if->phy_start       = axgbe_phy_start;
+	phy_if->phy_stop        = axgbe_phy_stop;
+	phy_if->phy_status      = axgbe_phy_status;
+	phy_if->phy_config_aneg = axgbe_phy_config_aneg;
+	phy_if->an_isr          = axgbe_an_combined_isr;
+}