#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);
+}
+
+static void axgbe_an_restart(struct axgbe_port *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)
+{
+ 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_an73_disable(pdata);
+ axgbe_switch_mode(pdata);
+ axgbe_an73_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 (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) {
+ /* 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)
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;
}
unsigned int redrv_model;
};
+static enum axgbe_an_mode axgbe_phy_an_mode(struct axgbe_port *pdata);
+
+static int axgbe_phy_i2c_xfer(struct axgbe_port *pdata,
+ struct axgbe_i2c_op *i2c_op)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+
+ /* Be sure we own the bus */
+ if (!phy_data->comm_owned)
+ return -EIO;
+
+ return pdata->i2c_if.i2c_xfer(pdata, i2c_op);
+}
+
+static int axgbe_phy_redrv_write(struct axgbe_port *pdata, unsigned int reg,
+ unsigned int val)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+ struct axgbe_i2c_op i2c_op;
+ uint16_t *redrv_val;
+ u8 redrv_data[5], csum;
+ unsigned int i, retry;
+ int ret;
+
+ /* High byte of register contains read/write indicator */
+ redrv_data[0] = ((reg >> 8) & 0xff) << 1;
+ redrv_data[1] = reg & 0xff;
+ redrv_val = (uint16_t *)&redrv_data[2];
+ *redrv_val = rte_cpu_to_be_16(val);
+
+ /* Calculate 1 byte checksum */
+ csum = 0;
+ for (i = 0; i < 4; i++) {
+ csum += redrv_data[i];
+ if (redrv_data[i] > csum)
+ csum++;
+ }
+ redrv_data[4] = ~csum;
+
+ retry = 1;
+again1:
+ i2c_op.cmd = AXGBE_I2C_CMD_WRITE;
+ i2c_op.target = phy_data->redrv_addr;
+ i2c_op.len = sizeof(redrv_data);
+ i2c_op.buf = redrv_data;
+ ret = axgbe_phy_i2c_xfer(pdata, &i2c_op);
+ if (ret) {
+ if ((ret == -EAGAIN) && retry--)
+ goto again1;
+
+ return ret;
+ }
+
+ retry = 1;
+again2:
+ i2c_op.cmd = AXGBE_I2C_CMD_READ;
+ i2c_op.target = phy_data->redrv_addr;
+ i2c_op.len = 1;
+ i2c_op.buf = redrv_data;
+ ret = axgbe_phy_i2c_xfer(pdata, &i2c_op);
+ if (ret) {
+ if ((ret == -EAGAIN) && retry--)
+ goto again2;
+
+ return ret;
+ }
+
+ if (redrv_data[0] != 0xff) {
+ PMD_DRV_LOG(ERR, "Redriver write checksum error\n");
+ ret = -EIO;
+ }
+
+ return ret;
+}
+
+static int axgbe_phy_i2c_read(struct axgbe_port *pdata, unsigned int target,
+ void *reg, unsigned int reg_len,
+ void *val, unsigned int val_len)
+{
+ struct axgbe_i2c_op i2c_op;
+ int retry, ret;
+
+ retry = 1;
+again1:
+ /* Set the specified register to read */
+ i2c_op.cmd = AXGBE_I2C_CMD_WRITE;
+ i2c_op.target = target;
+ i2c_op.len = reg_len;
+ i2c_op.buf = reg;
+ ret = axgbe_phy_i2c_xfer(pdata, &i2c_op);
+ if (ret) {
+ if ((ret == -EAGAIN) && retry--)
+ goto again1;
+
+ return ret;
+ }
+
+ retry = 1;
+again2:
+ /* Read the specfied register */
+ i2c_op.cmd = AXGBE_I2C_CMD_READ;
+ i2c_op.target = target;
+ i2c_op.len = val_len;
+ i2c_op.buf = val;
+ ret = axgbe_phy_i2c_xfer(pdata, &i2c_op);
+ if ((ret == -EAGAIN) && retry--)
+ goto again2;
+
+ return ret;
+}
+
+static int axgbe_phy_sfp_put_mux(struct axgbe_port *pdata)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+ struct axgbe_i2c_op i2c_op;
+ uint8_t mux_channel;
+
+ if (phy_data->sfp_comm == AXGBE_SFP_COMM_DIRECT)
+ return 0;
+
+ /* Select no mux channels */
+ mux_channel = 0;
+ i2c_op.cmd = AXGBE_I2C_CMD_WRITE;
+ i2c_op.target = phy_data->sfp_mux_address;
+ i2c_op.len = sizeof(mux_channel);
+ i2c_op.buf = &mux_channel;
+
+ return axgbe_phy_i2c_xfer(pdata, &i2c_op);
+}
+
+static int axgbe_phy_sfp_get_mux(struct axgbe_port *pdata)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+ struct axgbe_i2c_op i2c_op;
+ u8 mux_channel;
+
+ if (phy_data->sfp_comm == AXGBE_SFP_COMM_DIRECT)
+ return 0;
+
+ /* Select desired mux channel */
+ mux_channel = 1 << phy_data->sfp_mux_channel;
+ i2c_op.cmd = AXGBE_I2C_CMD_WRITE;
+ i2c_op.target = phy_data->sfp_mux_address;
+ i2c_op.len = sizeof(mux_channel);
+ i2c_op.buf = &mux_channel;
+
+ return axgbe_phy_i2c_xfer(pdata, &i2c_op);
+}
+
+static void axgbe_phy_put_comm_ownership(struct axgbe_port *pdata)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+
+ phy_data->comm_owned = 0;
+
+ pthread_mutex_unlock(&pdata->phy_mutex);
+}
+
+static int axgbe_phy_get_comm_ownership(struct axgbe_port *pdata)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+ uint64_t timeout;
+ unsigned int mutex_id;
+
+ if (phy_data->comm_owned)
+ return 0;
+
+ /* The I2C and MDIO/GPIO bus is multiplexed between multiple devices,
+ * the driver needs to take the software mutex and then the hardware
+ * mutexes before being able to use the busses.
+ */
+ pthread_mutex_lock(&pdata->phy_mutex);
+
+ /* Clear the mutexes */
+ XP_IOWRITE(pdata, XP_I2C_MUTEX, AXGBE_MUTEX_RELEASE);
+ XP_IOWRITE(pdata, XP_MDIO_MUTEX, AXGBE_MUTEX_RELEASE);
+
+ /* Mutex formats are the same for I2C and MDIO/GPIO */
+ mutex_id = 0;
+ XP_SET_BITS(mutex_id, XP_I2C_MUTEX, ID, phy_data->port_id);
+ XP_SET_BITS(mutex_id, XP_I2C_MUTEX, ACTIVE, 1);
+
+ timeout = rte_get_timer_cycles() + (rte_get_timer_hz() * 5);
+ while (time_before(rte_get_timer_cycles(), timeout)) {
+ /* Must be all zeroes in order to obtain the mutex */
+ if (XP_IOREAD(pdata, XP_I2C_MUTEX) ||
+ XP_IOREAD(pdata, XP_MDIO_MUTEX)) {
+ rte_delay_us(100);
+ continue;
+ }
+
+ /* Obtain the mutex */
+ XP_IOWRITE(pdata, XP_I2C_MUTEX, mutex_id);
+ XP_IOWRITE(pdata, XP_MDIO_MUTEX, mutex_id);
+
+ phy_data->comm_owned = 1;
+ return 0;
+ }
+
+ pthread_mutex_unlock(&pdata->phy_mutex);
+
+ PMD_DRV_LOG(ERR, "unable to obtain hardware mutexes\n");
+
+ return -ETIMEDOUT;
+}
+
+static void axgbe_phy_sfp_phy_settings(struct axgbe_port *pdata)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+
+ if (phy_data->sfp_mod_absent) {
+ pdata->phy.speed = SPEED_UNKNOWN;
+ pdata->phy.duplex = DUPLEX_UNKNOWN;
+ pdata->phy.autoneg = AUTONEG_ENABLE;
+ pdata->phy.advertising = pdata->phy.supported;
+ }
+
+ pdata->phy.advertising &= ~ADVERTISED_Autoneg;
+ pdata->phy.advertising &= ~ADVERTISED_TP;
+ pdata->phy.advertising &= ~ADVERTISED_FIBRE;
+ pdata->phy.advertising &= ~ADVERTISED_100baseT_Full;
+ pdata->phy.advertising &= ~ADVERTISED_1000baseT_Full;
+ pdata->phy.advertising &= ~ADVERTISED_10000baseT_Full;
+ pdata->phy.advertising &= ~ADVERTISED_10000baseR_FEC;
+
+ switch (phy_data->sfp_base) {
+ case AXGBE_SFP_BASE_1000_T:
+ case AXGBE_SFP_BASE_1000_SX:
+ case AXGBE_SFP_BASE_1000_LX:
+ case AXGBE_SFP_BASE_1000_CX:
+ pdata->phy.speed = SPEED_UNKNOWN;
+ pdata->phy.duplex = DUPLEX_UNKNOWN;
+ pdata->phy.autoneg = AUTONEG_ENABLE;
+ pdata->phy.advertising |= ADVERTISED_Autoneg;
+ break;
+ case AXGBE_SFP_BASE_10000_SR:
+ case AXGBE_SFP_BASE_10000_LR:
+ case AXGBE_SFP_BASE_10000_LRM:
+ case AXGBE_SFP_BASE_10000_ER:
+ case AXGBE_SFP_BASE_10000_CR:
+ default:
+ pdata->phy.speed = SPEED_10000;
+ pdata->phy.duplex = DUPLEX_FULL;
+ pdata->phy.autoneg = AUTONEG_DISABLE;
+ break;
+ }
+
+ switch (phy_data->sfp_base) {
+ case AXGBE_SFP_BASE_1000_T:
+ case AXGBE_SFP_BASE_1000_CX:
+ case AXGBE_SFP_BASE_10000_CR:
+ pdata->phy.advertising |= ADVERTISED_TP;
+ break;
+ default:
+ pdata->phy.advertising |= ADVERTISED_FIBRE;
+ }
+
+ switch (phy_data->sfp_speed) {
+ case AXGBE_SFP_SPEED_100_1000:
+ if (phy_data->port_speeds & AXGBE_PHY_PORT_SPEED_100)
+ pdata->phy.advertising |= ADVERTISED_100baseT_Full;
+ if (phy_data->port_speeds & AXGBE_PHY_PORT_SPEED_1000)
+ pdata->phy.advertising |= ADVERTISED_1000baseT_Full;
+ break;
+ case AXGBE_SFP_SPEED_1000:
+ if (phy_data->port_speeds & AXGBE_PHY_PORT_SPEED_1000)
+ pdata->phy.advertising |= ADVERTISED_1000baseT_Full;
+ break;
+ case AXGBE_SFP_SPEED_10000:
+ if (phy_data->port_speeds & AXGBE_PHY_PORT_SPEED_10000)
+ pdata->phy.advertising |= ADVERTISED_10000baseT_Full;
+ break;
+ default:
+ /* Choose the fastest supported speed */
+ if (phy_data->port_speeds & AXGBE_PHY_PORT_SPEED_10000)
+ pdata->phy.advertising |= ADVERTISED_10000baseT_Full;
+ else if (phy_data->port_speeds & AXGBE_PHY_PORT_SPEED_1000)
+ pdata->phy.advertising |= ADVERTISED_1000baseT_Full;
+ else if (phy_data->port_speeds & AXGBE_PHY_PORT_SPEED_100)
+ pdata->phy.advertising |= ADVERTISED_100baseT_Full;
+ }
+}
+
+static bool axgbe_phy_sfp_bit_rate(struct axgbe_sfp_eeprom *sfp_eeprom,
+ enum axgbe_sfp_speed sfp_speed)
+{
+ u8 *sfp_base, min, max;
+
+ sfp_base = sfp_eeprom->base;
+
+ switch (sfp_speed) {
+ case AXGBE_SFP_SPEED_1000:
+ min = AXGBE_SFP_BASE_BR_1GBE_MIN;
+ max = AXGBE_SFP_BASE_BR_1GBE_MAX;
+ break;
+ case AXGBE_SFP_SPEED_10000:
+ min = AXGBE_SFP_BASE_BR_10GBE_MIN;
+ max = AXGBE_SFP_BASE_BR_10GBE_MAX;
+ break;
+ default:
+ return false;
+ }
+
+ return ((sfp_base[AXGBE_SFP_BASE_BR] >= min) &&
+ (sfp_base[AXGBE_SFP_BASE_BR] <= max));
+}
+
+static void axgbe_phy_sfp_external_phy(struct axgbe_port *pdata)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+
+ if (!phy_data->sfp_changed)
+ return;
+
+ phy_data->sfp_phy_avail = 0;
+
+ if (phy_data->sfp_base != AXGBE_SFP_BASE_1000_T)
+ return;
+}
+
+static bool axgbe_phy_belfuse_parse_quirks(struct axgbe_port *pdata)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+ struct axgbe_sfp_eeprom *sfp_eeprom = &phy_data->sfp_eeprom;
+
+ if (memcmp(&sfp_eeprom->base[AXGBE_SFP_BASE_VENDOR_NAME],
+ AXGBE_BEL_FUSE_VENDOR, AXGBE_SFP_BASE_VENDOR_NAME_LEN))
+ return false;
+
+ if (!memcmp(&sfp_eeprom->base[AXGBE_SFP_BASE_VENDOR_PN],
+ AXGBE_BEL_FUSE_PARTNO, AXGBE_SFP_BASE_VENDOR_PN_LEN)) {
+ phy_data->sfp_base = AXGBE_SFP_BASE_1000_SX;
+ phy_data->sfp_cable = AXGBE_SFP_CABLE_ACTIVE;
+ phy_data->sfp_speed = AXGBE_SFP_SPEED_1000;
+ return true;
+ }
+
+ return false;
+}
+
+static bool axgbe_phy_sfp_parse_quirks(struct axgbe_port *pdata)
+{
+ if (axgbe_phy_belfuse_parse_quirks(pdata))
+ return true;
+
+ return false;
+}
+
+static void axgbe_phy_sfp_parse_eeprom(struct axgbe_port *pdata)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+ struct axgbe_sfp_eeprom *sfp_eeprom = &phy_data->sfp_eeprom;
+ uint8_t *sfp_base;
+
+ sfp_base = sfp_eeprom->base;
+
+ if (sfp_base[AXGBE_SFP_BASE_ID] != AXGBE_SFP_ID_SFP)
+ return;
+
+ if (sfp_base[AXGBE_SFP_BASE_EXT_ID] != AXGBE_SFP_EXT_ID_SFP)
+ return;
+
+ if (axgbe_phy_sfp_parse_quirks(pdata))
+ return;
+
+ /* Assume ACTIVE cable unless told it is PASSIVE */
+ if (sfp_base[AXGBE_SFP_BASE_CABLE] & AXGBE_SFP_BASE_CABLE_PASSIVE) {
+ phy_data->sfp_cable = AXGBE_SFP_CABLE_PASSIVE;
+ phy_data->sfp_cable_len = sfp_base[AXGBE_SFP_BASE_CU_CABLE_LEN];
+ } else {
+ phy_data->sfp_cable = AXGBE_SFP_CABLE_ACTIVE;
+ }
+
+ /* Determine the type of SFP */
+ if (sfp_base[AXGBE_SFP_BASE_10GBE_CC] & AXGBE_SFP_BASE_10GBE_CC_SR)
+ phy_data->sfp_base = AXGBE_SFP_BASE_10000_SR;
+ else if (sfp_base[AXGBE_SFP_BASE_10GBE_CC] & AXGBE_SFP_BASE_10GBE_CC_LR)
+ phy_data->sfp_base = AXGBE_SFP_BASE_10000_LR;
+ else if (sfp_base[AXGBE_SFP_BASE_10GBE_CC] &
+ AXGBE_SFP_BASE_10GBE_CC_LRM)
+ phy_data->sfp_base = AXGBE_SFP_BASE_10000_LRM;
+ else if (sfp_base[AXGBE_SFP_BASE_10GBE_CC] & AXGBE_SFP_BASE_10GBE_CC_ER)
+ phy_data->sfp_base = AXGBE_SFP_BASE_10000_ER;
+ else if (sfp_base[AXGBE_SFP_BASE_1GBE_CC] & AXGBE_SFP_BASE_1GBE_CC_SX)
+ phy_data->sfp_base = AXGBE_SFP_BASE_1000_SX;
+ else if (sfp_base[AXGBE_SFP_BASE_1GBE_CC] & AXGBE_SFP_BASE_1GBE_CC_LX)
+ phy_data->sfp_base = AXGBE_SFP_BASE_1000_LX;
+ else if (sfp_base[AXGBE_SFP_BASE_1GBE_CC] & AXGBE_SFP_BASE_1GBE_CC_CX)
+ phy_data->sfp_base = AXGBE_SFP_BASE_1000_CX;
+ else if (sfp_base[AXGBE_SFP_BASE_1GBE_CC] & AXGBE_SFP_BASE_1GBE_CC_T)
+ phy_data->sfp_base = AXGBE_SFP_BASE_1000_T;
+ else if ((phy_data->sfp_cable == AXGBE_SFP_CABLE_PASSIVE) &&
+ axgbe_phy_sfp_bit_rate(sfp_eeprom, AXGBE_SFP_SPEED_10000))
+ phy_data->sfp_base = AXGBE_SFP_BASE_10000_CR;
+
+ switch (phy_data->sfp_base) {
+ case AXGBE_SFP_BASE_1000_T:
+ phy_data->sfp_speed = AXGBE_SFP_SPEED_100_1000;
+ break;
+ case AXGBE_SFP_BASE_1000_SX:
+ case AXGBE_SFP_BASE_1000_LX:
+ case AXGBE_SFP_BASE_1000_CX:
+ phy_data->sfp_speed = AXGBE_SFP_SPEED_1000;
+ break;
+ case AXGBE_SFP_BASE_10000_SR:
+ case AXGBE_SFP_BASE_10000_LR:
+ case AXGBE_SFP_BASE_10000_LRM:
+ case AXGBE_SFP_BASE_10000_ER:
+ case AXGBE_SFP_BASE_10000_CR:
+ phy_data->sfp_speed = AXGBE_SFP_SPEED_10000;
+ break;
+ default:
+ break;
+ }
+}
+
+static bool axgbe_phy_sfp_verify_eeprom(uint8_t cc_in, uint8_t *buf,
+ unsigned int len)
+{
+ uint8_t cc;
+
+ for (cc = 0; len; buf++, len--)
+ cc += *buf;
+
+ return (cc == cc_in) ? true : false;
+}
+
+static int axgbe_phy_sfp_read_eeprom(struct axgbe_port *pdata)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+ struct axgbe_sfp_eeprom sfp_eeprom;
+ uint8_t eeprom_addr;
+ int ret;
+
+ ret = axgbe_phy_sfp_get_mux(pdata);
+ if (ret) {
+ PMD_DRV_LOG(ERR, "I2C error setting SFP MUX\n");
+ return ret;
+ }
+
+ /* Read the SFP serial ID eeprom */
+ eeprom_addr = 0;
+ ret = axgbe_phy_i2c_read(pdata, AXGBE_SFP_SERIAL_ID_ADDRESS,
+ &eeprom_addr, sizeof(eeprom_addr),
+ &sfp_eeprom, sizeof(sfp_eeprom));
+ if (ret) {
+ PMD_DRV_LOG(ERR, "I2C error reading SFP EEPROM\n");
+ goto put;
+ }
+
+ /* Validate the contents read */
+ if (!axgbe_phy_sfp_verify_eeprom(sfp_eeprom.base[AXGBE_SFP_BASE_CC],
+ sfp_eeprom.base,
+ sizeof(sfp_eeprom.base) - 1)) {
+ ret = -EINVAL;
+ goto put;
+ }
+
+ if (!axgbe_phy_sfp_verify_eeprom(sfp_eeprom.extd[AXGBE_SFP_EXTD_CC],
+ sfp_eeprom.extd,
+ sizeof(sfp_eeprom.extd) - 1)) {
+ ret = -EINVAL;
+ goto put;
+ }
+
+ /* Check for an added or changed SFP */
+ if (memcmp(&phy_data->sfp_eeprom, &sfp_eeprom, sizeof(sfp_eeprom))) {
+ phy_data->sfp_changed = 1;
+ memcpy(&phy_data->sfp_eeprom, &sfp_eeprom, sizeof(sfp_eeprom));
+
+ if (sfp_eeprom.extd[AXGBE_SFP_EXTD_SFF_8472]) {
+ uint8_t diag_type;
+ diag_type = sfp_eeprom.extd[AXGBE_SFP_EXTD_DIAG];
+
+ if (!(diag_type & AXGBE_SFP_EXTD_DIAG_ADDR_CHANGE))
+ phy_data->sfp_diags = 1;
+ }
+ } else {
+ phy_data->sfp_changed = 0;
+ }
+
+put:
+ axgbe_phy_sfp_put_mux(pdata);
+
+ return ret;
+}
+
+static void axgbe_phy_sfp_signals(struct axgbe_port *pdata)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+ unsigned int gpio_input;
+ u8 gpio_reg, gpio_ports[2];
+ int ret;
+
+ /* Read the input port registers */
+ gpio_reg = 0;
+ ret = axgbe_phy_i2c_read(pdata, phy_data->sfp_gpio_address,
+ &gpio_reg, sizeof(gpio_reg),
+ gpio_ports, sizeof(gpio_ports));
+ if (ret) {
+ PMD_DRV_LOG(ERR, "I2C error reading SFP GPIOs\n");
+ return;
+ }
+
+ gpio_input = (gpio_ports[1] << 8) | gpio_ports[0];
+
+ if (phy_data->sfp_gpio_mask & AXGBE_GPIO_NO_MOD_ABSENT) {
+ /* No GPIO, just assume the module is present for now */
+ phy_data->sfp_mod_absent = 0;
+ } else {
+ if (!(gpio_input & (1 << phy_data->sfp_gpio_mod_absent)))
+ phy_data->sfp_mod_absent = 0;
+ }
+
+ if (!(phy_data->sfp_gpio_mask & AXGBE_GPIO_NO_RX_LOS) &&
+ (gpio_input & (1 << phy_data->sfp_gpio_rx_los)))
+ phy_data->sfp_rx_los = 1;
+
+ if (!(phy_data->sfp_gpio_mask & AXGBE_GPIO_NO_TX_FAULT) &&
+ (gpio_input & (1 << phy_data->sfp_gpio_tx_fault)))
+ phy_data->sfp_tx_fault = 1;
+}
+
+static void axgbe_phy_sfp_mod_absent(struct axgbe_port *pdata)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+
+ phy_data->sfp_mod_absent = 1;
+ phy_data->sfp_phy_avail = 0;
+ memset(&phy_data->sfp_eeprom, 0, sizeof(phy_data->sfp_eeprom));
+}
+
+static void axgbe_phy_sfp_reset(struct axgbe_phy_data *phy_data)
+{
+ phy_data->sfp_rx_los = 0;
+ phy_data->sfp_tx_fault = 0;
+ phy_data->sfp_mod_absent = 1;
+ phy_data->sfp_diags = 0;
+ phy_data->sfp_base = AXGBE_SFP_BASE_UNKNOWN;
+ phy_data->sfp_cable = AXGBE_SFP_CABLE_UNKNOWN;
+ phy_data->sfp_speed = AXGBE_SFP_SPEED_UNKNOWN;
+}
+
+static void axgbe_phy_sfp_detect(struct axgbe_port *pdata)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+ int ret;
+
+ /* Reset the SFP signals and info */
+ axgbe_phy_sfp_reset(phy_data);
+
+ ret = axgbe_phy_get_comm_ownership(pdata);
+ if (ret)
+ return;
+
+ /* Read the SFP signals and check for module presence */
+ axgbe_phy_sfp_signals(pdata);
+ if (phy_data->sfp_mod_absent) {
+ axgbe_phy_sfp_mod_absent(pdata);
+ goto put;
+ }
+
+ ret = axgbe_phy_sfp_read_eeprom(pdata);
+ if (ret) {
+ /* Treat any error as if there isn't an SFP plugged in */
+ axgbe_phy_sfp_reset(phy_data);
+ axgbe_phy_sfp_mod_absent(pdata);
+ goto put;
+ }
+
+ axgbe_phy_sfp_parse_eeprom(pdata);
+ axgbe_phy_sfp_external_phy(pdata);
+
+put:
+ axgbe_phy_sfp_phy_settings(pdata);
+ axgbe_phy_put_comm_ownership(pdata);
+}
+
+static void axgbe_phy_phydev_flowctrl(struct axgbe_port *pdata)
+{
+ pdata->phy.tx_pause = 0;
+ pdata->phy.rx_pause = 0;
+}
+
+static enum axgbe_mode axgbe_phy_an73_redrv_outcome(struct axgbe_port *pdata)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+ enum axgbe_mode mode;
+ unsigned int ad_reg, lp_reg;
+
+ pdata->phy.lp_advertising |= ADVERTISED_Autoneg;
+ pdata->phy.lp_advertising |= ADVERTISED_Backplane;
+
+ /* Use external PHY to determine flow control */
+ if (pdata->phy.pause_autoneg)
+ axgbe_phy_phydev_flowctrl(pdata);
+
+ /* Compare Advertisement and Link Partner register 2 */
+ ad_reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 1);
+ lp_reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_LPA + 1);
+ if (lp_reg & 0x80)
+ pdata->phy.lp_advertising |= ADVERTISED_10000baseKR_Full;
+ if (lp_reg & 0x20)
+ pdata->phy.lp_advertising |= ADVERTISED_1000baseKX_Full;
+
+ ad_reg &= lp_reg;
+ if (ad_reg & 0x80) {
+ switch (phy_data->port_mode) {
+ case AXGBE_PORT_MODE_BACKPLANE:
+ mode = AXGBE_MODE_KR;
+ break;
+ default:
+ mode = AXGBE_MODE_SFI;
+ break;
+ }
+ } else if (ad_reg & 0x20) {
+ switch (phy_data->port_mode) {
+ case AXGBE_PORT_MODE_BACKPLANE:
+ mode = AXGBE_MODE_KX_1000;
+ break;
+ case AXGBE_PORT_MODE_1000BASE_X:
+ mode = AXGBE_MODE_X;
+ break;
+ case AXGBE_PORT_MODE_SFP:
+ switch (phy_data->sfp_base) {
+ case AXGBE_SFP_BASE_1000_T:
+ mode = AXGBE_MODE_SGMII_1000;
+ break;
+ case AXGBE_SFP_BASE_1000_SX:
+ case AXGBE_SFP_BASE_1000_LX:
+ case AXGBE_SFP_BASE_1000_CX:
+ default:
+ mode = AXGBE_MODE_X;
+ break;
+ }
+ break;
+ default:
+ mode = AXGBE_MODE_SGMII_1000;
+ break;
+ }
+ } else {
+ mode = AXGBE_MODE_UNKNOWN;
+ }
+
+ /* Compare Advertisement and Link Partner register 3 */
+ ad_reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 2);
+ lp_reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_LPA + 2);
+ if (lp_reg & 0xc000)
+ pdata->phy.lp_advertising |= ADVERTISED_10000baseR_FEC;
+
+ return mode;
+}
+
+static enum axgbe_mode axgbe_phy_an73_outcome(struct axgbe_port *pdata)
+{
+ enum axgbe_mode mode;
+ unsigned int ad_reg, lp_reg;
+
+ pdata->phy.lp_advertising |= ADVERTISED_Autoneg;
+ pdata->phy.lp_advertising |= ADVERTISED_Backplane;
+
+ /* Compare Advertisement and Link Partner register 1 */
+ ad_reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE);
+ lp_reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_LPA);
+ if (lp_reg & 0x400)
+ pdata->phy.lp_advertising |= ADVERTISED_Pause;
+ if (lp_reg & 0x800)
+ pdata->phy.lp_advertising |= ADVERTISED_Asym_Pause;
+
+ if (pdata->phy.pause_autoneg) {
+ /* Set flow control based on auto-negotiation result */
+ pdata->phy.tx_pause = 0;
+ pdata->phy.rx_pause = 0;
+
+ if (ad_reg & lp_reg & 0x400) {
+ pdata->phy.tx_pause = 1;
+ pdata->phy.rx_pause = 1;
+ } else if (ad_reg & lp_reg & 0x800) {
+ if (ad_reg & 0x400)
+ pdata->phy.rx_pause = 1;
+ else if (lp_reg & 0x400)
+ pdata->phy.tx_pause = 1;
+ }
+ }
+
+ /* Compare Advertisement and Link Partner register 2 */
+ ad_reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 1);
+ lp_reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_LPA + 1);
+ if (lp_reg & 0x80)
+ pdata->phy.lp_advertising |= ADVERTISED_10000baseKR_Full;
+ if (lp_reg & 0x20)
+ pdata->phy.lp_advertising |= ADVERTISED_1000baseKX_Full;
+
+ ad_reg &= lp_reg;
+ if (ad_reg & 0x80)
+ mode = AXGBE_MODE_KR;
+ else if (ad_reg & 0x20)
+ mode = AXGBE_MODE_KX_1000;
+ else
+ mode = AXGBE_MODE_UNKNOWN;
+
+ /* Compare Advertisement and Link Partner register 3 */
+ ad_reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 2);
+ lp_reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_LPA + 2);
+ if (lp_reg & 0xc000)
+ pdata->phy.lp_advertising |= ADVERTISED_10000baseR_FEC;
+
+ return mode;
+}
+
+static enum axgbe_mode axgbe_phy_an_outcome(struct axgbe_port *pdata)
+{
+ switch (pdata->an_mode) {
+ case AXGBE_AN_MODE_CL73:
+ return axgbe_phy_an73_outcome(pdata);
+ case AXGBE_AN_MODE_CL73_REDRV:
+ return axgbe_phy_an73_redrv_outcome(pdata);
+ case AXGBE_AN_MODE_CL37:
+ case AXGBE_AN_MODE_CL37_SGMII:
+ default:
+ return AXGBE_MODE_UNKNOWN;
+ }
+}
+
+static unsigned int axgbe_phy_an_advertising(struct axgbe_port *pdata)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+ unsigned int advertising;
+
+ /* Without a re-driver, just return current advertising */
+ if (!phy_data->redrv)
+ return pdata->phy.advertising;
+
+ /* With the KR re-driver we need to advertise a single speed */
+ advertising = pdata->phy.advertising;
+ advertising &= ~ADVERTISED_1000baseKX_Full;
+ advertising &= ~ADVERTISED_10000baseKR_Full;
+
+ switch (phy_data->port_mode) {
+ case AXGBE_PORT_MODE_BACKPLANE:
+ advertising |= ADVERTISED_10000baseKR_Full;
+ break;
+ case AXGBE_PORT_MODE_BACKPLANE_2500:
+ advertising |= ADVERTISED_1000baseKX_Full;
+ break;
+ case AXGBE_PORT_MODE_1000BASE_T:
+ case AXGBE_PORT_MODE_1000BASE_X:
+ case AXGBE_PORT_MODE_NBASE_T:
+ advertising |= ADVERTISED_1000baseKX_Full;
+ break;
+ case AXGBE_PORT_MODE_10GBASE_T:
+ PMD_DRV_LOG(ERR, "10GBASE_T mode is not supported\n");
+ break;
+ case AXGBE_PORT_MODE_10GBASE_R:
+ advertising |= ADVERTISED_10000baseKR_Full;
+ break;
+ case AXGBE_PORT_MODE_SFP:
+ switch (phy_data->sfp_base) {
+ case AXGBE_SFP_BASE_1000_T:
+ case AXGBE_SFP_BASE_1000_SX:
+ case AXGBE_SFP_BASE_1000_LX:
+ case AXGBE_SFP_BASE_1000_CX:
+ advertising |= ADVERTISED_1000baseKX_Full;
+ break;
+ default:
+ advertising |= ADVERTISED_10000baseKR_Full;
+ break;
+ }
+ break;
+ default:
+ advertising |= ADVERTISED_10000baseKR_Full;
+ break;
+ }
+
+ return advertising;
+}
+
+static int axgbe_phy_an_config(struct axgbe_port *pdata __rte_unused)
+{
+ return 0;
+ /* Dummy API since there is no case to support
+ * external phy devices registred through kerenl apis
+ */
+}
+
+static enum axgbe_an_mode axgbe_phy_an_sfp_mode(struct axgbe_phy_data *phy_data)
+{
+ switch (phy_data->sfp_base) {
+ case AXGBE_SFP_BASE_1000_T:
+ return AXGBE_AN_MODE_CL37_SGMII;
+ case AXGBE_SFP_BASE_1000_SX:
+ case AXGBE_SFP_BASE_1000_LX:
+ case AXGBE_SFP_BASE_1000_CX:
+ return AXGBE_AN_MODE_CL37;
+ default:
+ return AXGBE_AN_MODE_NONE;
+ }
+}
+
+static enum axgbe_an_mode axgbe_phy_an_mode(struct axgbe_port *pdata)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+
+ /* A KR re-driver will always require CL73 AN */
+ if (phy_data->redrv)
+ return AXGBE_AN_MODE_CL73_REDRV;
+
+ switch (phy_data->port_mode) {
+ case AXGBE_PORT_MODE_BACKPLANE:
+ return AXGBE_AN_MODE_CL73;
+ case AXGBE_PORT_MODE_BACKPLANE_2500:
+ return AXGBE_AN_MODE_NONE;
+ case AXGBE_PORT_MODE_1000BASE_T:
+ return AXGBE_AN_MODE_CL37_SGMII;
+ case AXGBE_PORT_MODE_1000BASE_X:
+ return AXGBE_AN_MODE_CL37;
+ case AXGBE_PORT_MODE_NBASE_T:
+ return AXGBE_AN_MODE_CL37_SGMII;
+ case AXGBE_PORT_MODE_10GBASE_T:
+ return AXGBE_AN_MODE_CL73;
+ case AXGBE_PORT_MODE_10GBASE_R:
+ return AXGBE_AN_MODE_NONE;
+ case AXGBE_PORT_MODE_SFP:
+ return axgbe_phy_an_sfp_mode(phy_data);
+ default:
+ return AXGBE_AN_MODE_NONE;
+ }
+}
+
+static int axgbe_phy_set_redrv_mode_mdio(struct axgbe_port *pdata,
+ enum axgbe_phy_redrv_mode mode)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+ u16 redrv_reg, redrv_val;
+
+ redrv_reg = AXGBE_PHY_REDRV_MODE_REG + (phy_data->redrv_lane * 0x1000);
+ redrv_val = (u16)mode;
+
+ return pdata->hw_if.write_ext_mii_regs(pdata, phy_data->redrv_addr,
+ redrv_reg, redrv_val);
+}
+
+static int axgbe_phy_set_redrv_mode_i2c(struct axgbe_port *pdata,
+ enum axgbe_phy_redrv_mode mode)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+ unsigned int redrv_reg;
+ int ret;
+
+ /* Calculate the register to write */
+ redrv_reg = AXGBE_PHY_REDRV_MODE_REG + (phy_data->redrv_lane * 0x1000);
+
+ ret = axgbe_phy_redrv_write(pdata, redrv_reg, mode);
+
+ return ret;
+}
+
+static void axgbe_phy_set_redrv_mode(struct axgbe_port *pdata)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+ enum axgbe_phy_redrv_mode mode;
+ int ret;
+
+ if (!phy_data->redrv)
+ return;
+
+ mode = AXGBE_PHY_REDRV_MODE_CX;
+ if ((phy_data->port_mode == AXGBE_PORT_MODE_SFP) &&
+ (phy_data->sfp_base != AXGBE_SFP_BASE_1000_CX) &&
+ (phy_data->sfp_base != AXGBE_SFP_BASE_10000_CR))
+ mode = AXGBE_PHY_REDRV_MODE_SR;
+
+ ret = axgbe_phy_get_comm_ownership(pdata);
+ if (ret)
+ return;
+
+ if (phy_data->redrv_if)
+ axgbe_phy_set_redrv_mode_i2c(pdata, mode);
+ else
+ axgbe_phy_set_redrv_mode_mdio(pdata, mode);
+
+ axgbe_phy_put_comm_ownership(pdata);
+}
+
+static void axgbe_phy_start_ratechange(struct axgbe_port *pdata)
+{
+ if (!XP_IOREAD_BITS(pdata, XP_DRIVER_INT_RO, STATUS))
+ return;
+}
+
+static void axgbe_phy_complete_ratechange(struct axgbe_port *pdata)
+{
+ unsigned int wait;
+
+ /* Wait for command to complete */
+ wait = AXGBE_RATECHANGE_COUNT;
+ while (wait--) {
+ if (!XP_IOREAD_BITS(pdata, XP_DRIVER_INT_RO, STATUS))
+ return;
+
+ rte_delay_us(1500);
+ }
+}
+
+static void axgbe_phy_rrc(struct axgbe_port *pdata)
+{
+ unsigned int s0;
+
+ axgbe_phy_start_ratechange(pdata);
+
+ /* Receiver Reset Cycle */
+ s0 = 0;
+ XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, COMMAND, 5);
+ XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, SUB_COMMAND, 0);
+
+ /* Call FW to make the change */
+ XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_0, s0);
+ XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_1, 0);
+ XP_IOWRITE_BITS(pdata, XP_DRIVER_INT_REQ, REQUEST, 1);
+
+ axgbe_phy_complete_ratechange(pdata);
+}
+
+static void axgbe_phy_power_off(struct axgbe_port *pdata)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+
+ axgbe_phy_start_ratechange(pdata);
+
+ /* Call FW to make the change */
+ XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_0, 0);
+ XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_1, 0);
+ XP_IOWRITE_BITS(pdata, XP_DRIVER_INT_REQ, REQUEST, 1);
+ axgbe_phy_complete_ratechange(pdata);
+ phy_data->cur_mode = AXGBE_MODE_UNKNOWN;
+}
+
+static void axgbe_phy_sfi_mode(struct axgbe_port *pdata)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+ unsigned int s0;
+
+ axgbe_phy_set_redrv_mode(pdata);
+
+ axgbe_phy_start_ratechange(pdata);
+
+ /* 10G/SFI */
+ s0 = 0;
+ XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, COMMAND, 3);
+ if (phy_data->sfp_cable != AXGBE_SFP_CABLE_PASSIVE) {
+ XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, SUB_COMMAND, 0);
+ } else {
+ if (phy_data->sfp_cable_len <= 1)
+ XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, SUB_COMMAND, 1);
+ else if (phy_data->sfp_cable_len <= 3)
+ XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, SUB_COMMAND, 2);
+ else
+ XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, SUB_COMMAND, 3);
+ }
+
+ /* Call FW to make the change */
+ XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_0, s0);
+ XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_1, 0);
+ XP_IOWRITE_BITS(pdata, XP_DRIVER_INT_REQ, REQUEST, 1);
+ axgbe_phy_complete_ratechange(pdata);
+ phy_data->cur_mode = AXGBE_MODE_SFI;
+}
+
+static void axgbe_phy_kr_mode(struct axgbe_port *pdata)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+ unsigned int s0;
+
+ axgbe_phy_set_redrv_mode(pdata);
+
+ axgbe_phy_start_ratechange(pdata);
+
+ /* 10G/KR */
+ s0 = 0;
+ XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, COMMAND, 4);
+ XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, SUB_COMMAND, 0);
+
+ /* Call FW to make the change */
+ XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_0, s0);
+ XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_1, 0);
+ XP_IOWRITE_BITS(pdata, XP_DRIVER_INT_REQ, REQUEST, 1);
+ axgbe_phy_complete_ratechange(pdata);
+ phy_data->cur_mode = AXGBE_MODE_KR;
+}
+
+static enum axgbe_mode axgbe_phy_cur_mode(struct axgbe_port *pdata)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+
+ return phy_data->cur_mode;
+}
+
+static enum axgbe_mode axgbe_phy_switch_baset_mode(struct axgbe_port *pdata)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+
+ /* No switching if not 10GBase-T */
+ if (phy_data->port_mode != AXGBE_PORT_MODE_10GBASE_T)
+ return axgbe_phy_cur_mode(pdata);
+
+ switch (axgbe_phy_cur_mode(pdata)) {
+ case AXGBE_MODE_SGMII_100:
+ case AXGBE_MODE_SGMII_1000:
+ return AXGBE_MODE_KR;
+ case AXGBE_MODE_KR:
+ default:
+ return AXGBE_MODE_SGMII_1000;
+ }
+}
+
+static enum axgbe_mode axgbe_phy_switch_bp_2500_mode(struct axgbe_port *pdata
+ __rte_unused)
+{
+ return AXGBE_MODE_KX_2500;
+}
+
+static enum axgbe_mode axgbe_phy_switch_bp_mode(struct axgbe_port *pdata)
+{
+ /* If we are in KR switch to KX, and vice-versa */
+ switch (axgbe_phy_cur_mode(pdata)) {
+ case AXGBE_MODE_KX_1000:
+ return AXGBE_MODE_KR;
+ case AXGBE_MODE_KR:
+ default:
+ return AXGBE_MODE_KX_1000;
+ }
+}
+
+static enum axgbe_mode axgbe_phy_switch_mode(struct axgbe_port *pdata)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+
+ switch (phy_data->port_mode) {
+ case AXGBE_PORT_MODE_BACKPLANE:
+ return axgbe_phy_switch_bp_mode(pdata);
+ case AXGBE_PORT_MODE_BACKPLANE_2500:
+ return axgbe_phy_switch_bp_2500_mode(pdata);
+ case AXGBE_PORT_MODE_1000BASE_T:
+ case AXGBE_PORT_MODE_NBASE_T:
+ case AXGBE_PORT_MODE_10GBASE_T:
+ return axgbe_phy_switch_baset_mode(pdata);
+ case AXGBE_PORT_MODE_1000BASE_X:
+ case AXGBE_PORT_MODE_10GBASE_R:
+ case AXGBE_PORT_MODE_SFP:
+ /* No switching, so just return current mode */
+ return axgbe_phy_cur_mode(pdata);
+ default:
+ return AXGBE_MODE_UNKNOWN;
+ }
+}
+
+static enum axgbe_mode axgbe_phy_get_basex_mode(struct axgbe_phy_data *phy_data
+ __rte_unused,
+ int speed)
+{
+ switch (speed) {
+ case SPEED_1000:
+ return AXGBE_MODE_X;
+ case SPEED_10000:
+ return AXGBE_MODE_KR;
+ default:
+ return AXGBE_MODE_UNKNOWN;
+ }
+}
+
+static enum axgbe_mode axgbe_phy_get_baset_mode(struct axgbe_phy_data *phy_data
+ __rte_unused,
+ int speed)
+{
+ switch (speed) {
+ case SPEED_100:
+ return AXGBE_MODE_SGMII_100;
+ case SPEED_1000:
+ return AXGBE_MODE_SGMII_1000;
+ case SPEED_10000:
+ return AXGBE_MODE_KR;
+ default:
+ return AXGBE_MODE_UNKNOWN;
+ }
+}
+
+static enum axgbe_mode axgbe_phy_get_sfp_mode(struct axgbe_phy_data *phy_data,
+ int speed)
+{
+ switch (speed) {
+ case SPEED_100:
+ return AXGBE_MODE_SGMII_100;
+ case SPEED_1000:
+ if (phy_data->sfp_base == AXGBE_SFP_BASE_1000_T)
+ return AXGBE_MODE_SGMII_1000;
+ else
+ return AXGBE_MODE_X;
+ case SPEED_10000:
+ case SPEED_UNKNOWN:
+ return AXGBE_MODE_SFI;
+ default:
+ return AXGBE_MODE_UNKNOWN;
+ }
+}
+
+static enum axgbe_mode axgbe_phy_get_bp_2500_mode(int speed)
+{
+ switch (speed) {
+ case SPEED_2500:
+ return AXGBE_MODE_KX_2500;
+ default:
+ return AXGBE_MODE_UNKNOWN;
+ }
+}
+
+static enum axgbe_mode axgbe_phy_get_bp_mode(int speed)
+{
+ switch (speed) {
+ case SPEED_1000:
+ return AXGBE_MODE_KX_1000;
+ case SPEED_10000:
+ return AXGBE_MODE_KR;
+ default:
+ return AXGBE_MODE_UNKNOWN;
+ }
+}
+
+static enum axgbe_mode axgbe_phy_get_mode(struct axgbe_port *pdata,
+ int speed)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+
+ switch (phy_data->port_mode) {
+ case AXGBE_PORT_MODE_BACKPLANE:
+ return axgbe_phy_get_bp_mode(speed);
+ case AXGBE_PORT_MODE_BACKPLANE_2500:
+ return axgbe_phy_get_bp_2500_mode(speed);
+ case AXGBE_PORT_MODE_1000BASE_T:
+ case AXGBE_PORT_MODE_NBASE_T:
+ case AXGBE_PORT_MODE_10GBASE_T:
+ return axgbe_phy_get_baset_mode(phy_data, speed);
+ case AXGBE_PORT_MODE_1000BASE_X:
+ case AXGBE_PORT_MODE_10GBASE_R:
+ return axgbe_phy_get_basex_mode(phy_data, speed);
+ case AXGBE_PORT_MODE_SFP:
+ return axgbe_phy_get_sfp_mode(phy_data, speed);
+ default:
+ return AXGBE_MODE_UNKNOWN;
+ }
+}
+
+static void axgbe_phy_set_mode(struct axgbe_port *pdata, enum axgbe_mode mode)
+{
+ switch (mode) {
+ case AXGBE_MODE_KR:
+ axgbe_phy_kr_mode(pdata);
+ break;
+ case AXGBE_MODE_SFI:
+ axgbe_phy_sfi_mode(pdata);
+ break;
+ default:
+ break;
+ }
+}
+
+static bool axgbe_phy_check_mode(struct axgbe_port *pdata,
+ enum axgbe_mode mode, u32 advert)
+{
+ if (pdata->phy.autoneg == AUTONEG_ENABLE) {
+ if (pdata->phy.advertising & advert)
+ return true;
+ } else {
+ enum axgbe_mode cur_mode;
+
+ cur_mode = axgbe_phy_get_mode(pdata, pdata->phy.speed);
+ if (cur_mode == mode)
+ return true;
+ }
+
+ return false;
+}
+
+static bool axgbe_phy_use_basex_mode(struct axgbe_port *pdata,
+ enum axgbe_mode mode)
+{
+ switch (mode) {
+ case AXGBE_MODE_X:
+ return axgbe_phy_check_mode(pdata, mode,
+ ADVERTISED_1000baseT_Full);
+ case AXGBE_MODE_KR:
+ return axgbe_phy_check_mode(pdata, mode,
+ ADVERTISED_10000baseT_Full);
+ default:
+ return false;
+ }
+}
+
+static bool axgbe_phy_use_baset_mode(struct axgbe_port *pdata,
+ enum axgbe_mode mode)
+{
+ switch (mode) {
+ case AXGBE_MODE_SGMII_100:
+ return axgbe_phy_check_mode(pdata, mode,
+ ADVERTISED_100baseT_Full);
+ case AXGBE_MODE_SGMII_1000:
+ return axgbe_phy_check_mode(pdata, mode,
+ ADVERTISED_1000baseT_Full);
+ case AXGBE_MODE_KR:
+ return axgbe_phy_check_mode(pdata, mode,
+ ADVERTISED_10000baseT_Full);
+ default:
+ return false;
+ }
+}
+
+static bool axgbe_phy_use_sfp_mode(struct axgbe_port *pdata,
+ enum axgbe_mode mode)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+
+ switch (mode) {
+ case AXGBE_MODE_X:
+ if (phy_data->sfp_base == AXGBE_SFP_BASE_1000_T)
+ return false;
+ return axgbe_phy_check_mode(pdata, mode,
+ ADVERTISED_1000baseT_Full);
+ case AXGBE_MODE_SGMII_100:
+ if (phy_data->sfp_base != AXGBE_SFP_BASE_1000_T)
+ return false;
+ return axgbe_phy_check_mode(pdata, mode,
+ ADVERTISED_100baseT_Full);
+ case AXGBE_MODE_SGMII_1000:
+ if (phy_data->sfp_base != AXGBE_SFP_BASE_1000_T)
+ return false;
+ return axgbe_phy_check_mode(pdata, mode,
+ ADVERTISED_1000baseT_Full);
+ case AXGBE_MODE_SFI:
+ return axgbe_phy_check_mode(pdata, mode,
+ ADVERTISED_10000baseT_Full);
+ default:
+ return false;
+ }
+}
+
+static bool axgbe_phy_use_bp_2500_mode(struct axgbe_port *pdata,
+ enum axgbe_mode mode)
+{
+ switch (mode) {
+ case AXGBE_MODE_KX_2500:
+ return axgbe_phy_check_mode(pdata, mode,
+ ADVERTISED_2500baseX_Full);
+ default:
+ return false;
+ }
+}
+
+static bool axgbe_phy_use_bp_mode(struct axgbe_port *pdata,
+ enum axgbe_mode mode)
+{
+ switch (mode) {
+ case AXGBE_MODE_KX_1000:
+ return axgbe_phy_check_mode(pdata, mode,
+ ADVERTISED_1000baseKX_Full);
+ case AXGBE_MODE_KR:
+ return axgbe_phy_check_mode(pdata, mode,
+ ADVERTISED_10000baseKR_Full);
+ default:
+ return false;
+ }
+}
+
+static bool axgbe_phy_use_mode(struct axgbe_port *pdata, enum axgbe_mode mode)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+
+ switch (phy_data->port_mode) {
+ case AXGBE_PORT_MODE_BACKPLANE:
+ return axgbe_phy_use_bp_mode(pdata, mode);
+ case AXGBE_PORT_MODE_BACKPLANE_2500:
+ return axgbe_phy_use_bp_2500_mode(pdata, mode);
+ case AXGBE_PORT_MODE_1000BASE_T:
+ case AXGBE_PORT_MODE_NBASE_T:
+ case AXGBE_PORT_MODE_10GBASE_T:
+ return axgbe_phy_use_baset_mode(pdata, mode);
+ case AXGBE_PORT_MODE_1000BASE_X:
+ case AXGBE_PORT_MODE_10GBASE_R:
+ return axgbe_phy_use_basex_mode(pdata, mode);
+ case AXGBE_PORT_MODE_SFP:
+ return axgbe_phy_use_sfp_mode(pdata, mode);
+ default:
+ return false;
+ }
+}
+
+static int axgbe_phy_link_status(struct axgbe_port *pdata, int *an_restart)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+ unsigned int reg;
+
+ *an_restart = 0;
+
+ if (phy_data->port_mode == AXGBE_PORT_MODE_SFP) {
+ /* Check SFP signals */
+ axgbe_phy_sfp_detect(pdata);
+
+ if (phy_data->sfp_changed) {
+ *an_restart = 1;
+ return 0;
+ }
+
+ if (phy_data->sfp_mod_absent || phy_data->sfp_rx_los)
+ return 0;
+ }
+
+ /* Link status is latched low, so read once to clear
+ * and then read again to get current state
+ */
+ reg = XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_STAT1);
+ reg = XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_STAT1);
+ if (reg & MDIO_STAT1_LSTATUS)
+ return 1;
+
+ /* No link, attempt a receiver reset cycle */
+ if (phy_data->rrc_count++) {
+ phy_data->rrc_count = 0;
+ axgbe_phy_rrc(pdata);
+ }
+
+ return 0;
+}
+
static void axgbe_phy_sfp_gpio_setup(struct axgbe_port *pdata)
{
struct axgbe_phy_data *phy_data = pdata->phy_data;
return true;
}
+static void axgbe_phy_stop(struct axgbe_port *pdata)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+
+ /* Reset SFP data */
+ axgbe_phy_sfp_reset(phy_data);
+ axgbe_phy_sfp_mod_absent(pdata);
+
+ /* Power off the PHY */
+ axgbe_phy_power_off(pdata);
+
+ /* Stop the I2C controller */
+ pdata->i2c_if.i2c_stop(pdata);
+}
+
+static int axgbe_phy_start(struct axgbe_port *pdata)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+ int ret;
+
+ /* Start the I2C controller */
+ ret = pdata->i2c_if.i2c_start(pdata);
+ if (ret)
+ return ret;
+
+ /* Start in highest supported mode */
+ axgbe_phy_set_mode(pdata, phy_data->start_mode);
+
+ /* After starting the I2C controller, we can check for an SFP */
+ switch (phy_data->port_mode) {
+ case AXGBE_PORT_MODE_SFP:
+ axgbe_phy_sfp_detect(pdata);
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+static int axgbe_phy_reset(struct axgbe_port *pdata)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+ enum axgbe_mode cur_mode;
+
+ /* Reset by power cycling the PHY */
+ cur_mode = phy_data->cur_mode;
+ axgbe_phy_power_off(pdata);
+ /* First time reset is done with passed unknown mode*/
+ axgbe_phy_set_mode(pdata, cur_mode);
+ return 0;
+}
+
static int axgbe_phy_init(struct axgbe_port *pdata)
{
struct axgbe_phy_data *phy_data;
struct axgbe_phy_impl_if *phy_impl = &phy_if->phy_impl;
phy_impl->init = axgbe_phy_init;
+ phy_impl->reset = axgbe_phy_reset;
+ phy_impl->start = axgbe_phy_start;
+ phy_impl->stop = axgbe_phy_stop;
+ phy_impl->link_status = axgbe_phy_link_status;
+ phy_impl->use_mode = axgbe_phy_use_mode;
+ phy_impl->set_mode = axgbe_phy_set_mode;
+ phy_impl->get_mode = axgbe_phy_get_mode;
+ phy_impl->switch_mode = axgbe_phy_switch_mode;
+ phy_impl->cur_mode = axgbe_phy_cur_mode;
+ phy_impl->an_mode = axgbe_phy_an_mode;
+ phy_impl->an_config = axgbe_phy_an_config;
+ phy_impl->an_advertising = axgbe_phy_an_advertising;
+ phy_impl->an_outcome = axgbe_phy_an_outcome;
}
git.droids-corp.org / dpdk.git / commitdiff