#include <linux/delay.h>
#include "net_driver.h"
#include "mdio_10g.h"
-#include "boards.h"
+#include "workarounds.h"
-int mdio_clause45_reset_mmd(struct efx_nic *port, int mmd,
+unsigned efx_mdio_id_oui(u32 id)
+{
+ unsigned oui = 0;
+ int i;
+
+ /* The bits of the OUI are designated a..x, with a=0 and b variable.
+ * In the id register c is the MSB but the OUI is conventionally
+ * written as bytes h..a, p..i, x..q. Reorder the bits accordingly. */
+ for (i = 0; i < 22; ++i)
+ if (id & (1 << (i + 10)))
+ oui |= 1 << (i ^ 7);
+
+ return oui;
+}
+
+int efx_mdio_reset_mmd(struct efx_nic *port, int mmd,
int spins, int spintime)
{
u32 ctrl;
- int phy_id = port->mii.phy_id;
/* Catch callers passing values in the wrong units (or just silly) */
EFX_BUG_ON_PARANOID(spins * spintime >= 5000);
- mdio_clause45_write(port, phy_id, mmd, MDIO_MMDREG_CTRL1,
- (1 << MDIO_MMDREG_CTRL1_RESET_LBN));
+ efx_mdio_write(port, mmd, MDIO_CTRL1, MDIO_CTRL1_RESET);
/* Wait for the reset bit to clear. */
do {
msleep(spintime);
- ctrl = mdio_clause45_read(port, phy_id, mmd, MDIO_MMDREG_CTRL1);
+ ctrl = efx_mdio_read(port, mmd, MDIO_CTRL1);
spins--;
- } while (spins && (ctrl & (1 << MDIO_MMDREG_CTRL1_RESET_LBN)));
+ } while (spins && (ctrl & MDIO_CTRL1_RESET));
return spins ? spins : -ETIMEDOUT;
}
-static int mdio_clause45_check_mmd(struct efx_nic *efx, int mmd,
- int fault_fatal)
+static int efx_mdio_check_mmd(struct efx_nic *efx, int mmd, int fault_fatal)
{
int status;
- int phy_id = efx->mii.phy_id;
if (LOOPBACK_INTERNAL(efx))
return 0;
if (mmd != MDIO_MMD_AN) {
/* Read MMD STATUS2 to check it is responding. */
- status = mdio_clause45_read(efx, phy_id, mmd,
- MDIO_MMDREG_STAT2);
- if (((status >> MDIO_MMDREG_STAT2_PRESENT_LBN) &
- ((1 << MDIO_MMDREG_STAT2_PRESENT_WIDTH) - 1)) !=
- MDIO_MMDREG_STAT2_PRESENT_VAL) {
+ status = efx_mdio_read(efx, mmd, MDIO_STAT2);
+ if ((status & MDIO_STAT2_DEVPRST) != MDIO_STAT2_DEVPRST_VAL) {
EFX_ERR(efx, "PHY MMD %d not responding.\n", mmd);
return -EIO;
}
}
/* Read MMD STATUS 1 to check for fault. */
- status = mdio_clause45_read(efx, phy_id, mmd, MDIO_MMDREG_STAT1);
- if ((status & (1 << MDIO_MMDREG_STAT1_FAULT_LBN)) != 0) {
+ status = efx_mdio_read(efx, mmd, MDIO_STAT1);
+ if (status & MDIO_STAT1_FAULT) {
if (fault_fatal) {
EFX_ERR(efx, "PHY MMD %d reporting fatal"
" fault: status %x\n", mmd, status);
#define MDIO45_RESET_TIME 1000 /* ms */
#define MDIO45_RESET_ITERS 100
-int mdio_clause45_wait_reset_mmds(struct efx_nic *efx,
- unsigned int mmd_mask)
+int efx_mdio_wait_reset_mmds(struct efx_nic *efx, unsigned int mmd_mask)
{
const int spintime = MDIO45_RESET_TIME / MDIO45_RESET_ITERS;
int tries = MDIO45_RESET_ITERS;
in_reset = 0;
while (mask) {
if (mask & 1) {
- stat = mdio_clause45_read(efx,
- efx->mii.phy_id,
- mmd,
- MDIO_MMDREG_CTRL1);
+ stat = efx_mdio_read(efx, mmd, MDIO_CTRL1);
if (stat < 0) {
EFX_ERR(efx, "failed to read status of"
" MMD %d\n", mmd);
return -EIO;
}
- if (stat & (1 << MDIO_MMDREG_CTRL1_RESET_LBN))
+ if (stat & MDIO_CTRL1_RESET)
in_reset |= (1 << mmd);
}
mask = mask >> 1;
return rc;
}
-int mdio_clause45_check_mmds(struct efx_nic *efx,
- unsigned int mmd_mask, unsigned int fatal_mask)
+int efx_mdio_check_mmds(struct efx_nic *efx,
+ unsigned int mmd_mask, unsigned int fatal_mask)
{
+ int mmd = 0, probe_mmd, devs1, devs2;
u32 devices;
- int mmd = 0, probe_mmd;
/* Historically we have probed the PHYXS to find out what devices are
* present,but that doesn't work so well if the PHYXS isn't expected
* to exist, if so just find the first item in the list supplied. */
- probe_mmd = (mmd_mask & MDIO_MMDREG_DEVS_PHYXS) ? MDIO_MMD_PHYXS :
+ probe_mmd = (mmd_mask & MDIO_DEVS_PHYXS) ? MDIO_MMD_PHYXS :
__ffs(mmd_mask);
- devices = (mdio_clause45_read(efx, efx->mii.phy_id,
- probe_mmd, MDIO_MMDREG_DEVS0) |
- mdio_clause45_read(efx, efx->mii.phy_id,
- probe_mmd, MDIO_MMDREG_DEVS1) << 16);
/* Check all the expected MMDs are present */
- if (devices < 0) {
+ devs1 = efx_mdio_read(efx, probe_mmd, MDIO_DEVS1);
+ devs2 = efx_mdio_read(efx, probe_mmd, MDIO_DEVS2);
+ if (devs1 < 0 || devs2 < 0) {
EFX_ERR(efx, "failed to read devices present\n");
return -EIO;
}
+ devices = devs1 | (devs2 << 16);
if ((devices & mmd_mask) != mmd_mask) {
EFX_ERR(efx, "required MMDs not present: got %x, "
"wanted %x\n", devices, mmd_mask);
while (mmd_mask) {
if (mmd_mask & 1) {
int fault_fatal = fatal_mask & 1;
- if (mdio_clause45_check_mmd(efx, mmd, fault_fatal))
+ if (efx_mdio_check_mmd(efx, mmd, fault_fatal))
return -EIO;
}
mmd_mask = mmd_mask >> 1;
return 0;
}
-bool mdio_clause45_links_ok(struct efx_nic *efx, unsigned int mmd_mask)
+bool efx_mdio_links_ok(struct efx_nic *efx, unsigned int mmd_mask)
{
- int phy_id = efx->mii.phy_id;
- u32 reg;
- bool ok = true;
- int mmd = 0;
-
/* If the port is in loopback, then we should only consider a subset
* of mmd's */
if (LOOPBACK_INTERNAL(efx))
return false;
else if (efx_phy_mode_disabled(efx->phy_mode))
return false;
- else if (efx->loopback_mode == LOOPBACK_PHYXS) {
- mmd_mask &= ~(MDIO_MMDREG_DEVS_PHYXS |
- MDIO_MMDREG_DEVS_PCS |
- MDIO_MMDREG_DEVS_PMAPMD |
- MDIO_MMDREG_DEVS_AN);
- if (!mmd_mask) {
- reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_PHYXS,
- MDIO_PHYXS_STATUS2);
- return !(reg & (1 << MDIO_PHYXS_STATUS2_RX_FAULT_LBN));
- }
- } else if (efx->loopback_mode == LOOPBACK_PCS)
- mmd_mask &= ~(MDIO_MMDREG_DEVS_PCS |
- MDIO_MMDREG_DEVS_PMAPMD |
- MDIO_MMDREG_DEVS_AN);
+ else if (efx->loopback_mode == LOOPBACK_PHYXS)
+ mmd_mask &= ~(MDIO_DEVS_PHYXS |
+ MDIO_DEVS_PCS |
+ MDIO_DEVS_PMAPMD |
+ MDIO_DEVS_AN);
+ else if (efx->loopback_mode == LOOPBACK_PCS)
+ mmd_mask &= ~(MDIO_DEVS_PCS |
+ MDIO_DEVS_PMAPMD |
+ MDIO_DEVS_AN);
else if (efx->loopback_mode == LOOPBACK_PMAPMD)
- mmd_mask &= ~(MDIO_MMDREG_DEVS_PMAPMD |
- MDIO_MMDREG_DEVS_AN);
+ mmd_mask &= ~(MDIO_DEVS_PMAPMD |
+ MDIO_DEVS_AN);
- while (mmd_mask) {
- if (mmd_mask & 1) {
- /* Double reads because link state is latched, and a
- * read moves the current state into the register */
- reg = mdio_clause45_read(efx, phy_id,
- mmd, MDIO_MMDREG_STAT1);
- reg = mdio_clause45_read(efx, phy_id,
- mmd, MDIO_MMDREG_STAT1);
- ok = ok && (reg & (1 << MDIO_MMDREG_STAT1_LINK_LBN));
- }
- mmd_mask = (mmd_mask >> 1);
- mmd++;
- }
- return ok;
+ return mdio45_links_ok(&efx->mdio, mmd_mask);
}
-void mdio_clause45_transmit_disable(struct efx_nic *efx)
+void efx_mdio_transmit_disable(struct efx_nic *efx)
{
- mdio_clause45_set_flag(efx, efx->mii.phy_id, MDIO_MMD_PMAPMD,
- MDIO_MMDREG_TXDIS, MDIO_MMDREG_TXDIS_GLOBAL_LBN,
- efx->phy_mode & PHY_MODE_TX_DISABLED);
+ efx_mdio_set_flag(efx, MDIO_MMD_PMAPMD,
+ MDIO_PMA_TXDIS, MDIO_PMD_TXDIS_GLOBAL,
+ efx->phy_mode & PHY_MODE_TX_DISABLED);
}
-void mdio_clause45_phy_reconfigure(struct efx_nic *efx)
+void efx_mdio_phy_reconfigure(struct efx_nic *efx)
{
- int phy_id = efx->mii.phy_id;
-
- mdio_clause45_set_flag(efx, phy_id, MDIO_MMD_PMAPMD,
- MDIO_MMDREG_CTRL1, MDIO_PMAPMD_CTRL1_LBACK_LBN,
- efx->loopback_mode == LOOPBACK_PMAPMD);
- mdio_clause45_set_flag(efx, phy_id, MDIO_MMD_PCS,
- MDIO_MMDREG_CTRL1, MDIO_MMDREG_CTRL1_LBACK_LBN,
- efx->loopback_mode == LOOPBACK_PCS);
- mdio_clause45_set_flag(efx, phy_id, MDIO_MMD_PHYXS,
- MDIO_MMDREG_CTRL1, MDIO_MMDREG_CTRL1_LBACK_LBN,
- efx->loopback_mode == LOOPBACK_NETWORK);
+ efx_mdio_set_flag(efx, MDIO_MMD_PMAPMD,
+ MDIO_CTRL1, MDIO_PMA_CTRL1_LOOPBACK,
+ efx->loopback_mode == LOOPBACK_PMAPMD);
+ efx_mdio_set_flag(efx, MDIO_MMD_PCS,
+ MDIO_CTRL1, MDIO_PCS_CTRL1_LOOPBACK,
+ efx->loopback_mode == LOOPBACK_PCS);
+ efx_mdio_set_flag(efx, MDIO_MMD_PHYXS,
+ MDIO_CTRL1, MDIO_PHYXS_CTRL1_LOOPBACK,
+ efx->loopback_mode == LOOPBACK_NETWORK);
}
-static void mdio_clause45_set_mmd_lpower(struct efx_nic *efx,
- int lpower, int mmd)
+static void efx_mdio_set_mmd_lpower(struct efx_nic *efx,
+ int lpower, int mmd)
{
- int phy = efx->mii.phy_id;
- int stat = mdio_clause45_read(efx, phy, mmd, MDIO_MMDREG_STAT1);
+ int stat = efx_mdio_read(efx, mmd, MDIO_STAT1);
EFX_TRACE(efx, "Setting low power mode for MMD %d to %d\n",
mmd, lpower);
- if (stat & (1 << MDIO_MMDREG_STAT1_LPABLE_LBN)) {
- mdio_clause45_set_flag(efx, phy, mmd, MDIO_MMDREG_CTRL1,
- MDIO_MMDREG_CTRL1_LPOWER_LBN, lpower);
+ if (stat & MDIO_STAT1_LPOWERABLE) {
+ efx_mdio_set_flag(efx, mmd, MDIO_CTRL1,
+ MDIO_CTRL1_LPOWER, lpower);
}
}
-void mdio_clause45_set_mmds_lpower(struct efx_nic *efx,
- int low_power, unsigned int mmd_mask)
+void efx_mdio_set_mmds_lpower(struct efx_nic *efx,
+ int low_power, unsigned int mmd_mask)
{
int mmd = 0;
- mmd_mask &= ~MDIO_MMDREG_DEVS_AN;
+ mmd_mask &= ~MDIO_DEVS_AN;
while (mmd_mask) {
if (mmd_mask & 1)
- mdio_clause45_set_mmd_lpower(efx, low_power, mmd);
+ efx_mdio_set_mmd_lpower(efx, low_power, mmd);
mmd_mask = (mmd_mask >> 1);
mmd++;
}
}
-static u32 mdio_clause45_get_an(struct efx_nic *efx, u16 addr, u32 xnp)
-{
- int phy_id = efx->mii.phy_id;
- u32 result = 0;
- int reg;
-
- reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_AN, addr);
- if (reg & ADVERTISE_10HALF)
- result |= ADVERTISED_10baseT_Half;
- if (reg & ADVERTISE_10FULL)
- result |= ADVERTISED_10baseT_Full;
- if (reg & ADVERTISE_100HALF)
- result |= ADVERTISED_100baseT_Half;
- if (reg & ADVERTISE_100FULL)
- result |= ADVERTISED_100baseT_Full;
- if (reg & LPA_RESV)
- result |= xnp;
-
- return result;
-}
-
-/**
- * mdio_clause45_get_settings - Read (some of) the PHY settings over MDIO.
- * @efx: Efx NIC
- * @ecmd: Buffer for settings
- *
- * On return the 'port', 'speed', 'supported' and 'advertising' fields of
- * ecmd have been filled out.
- */
-void mdio_clause45_get_settings(struct efx_nic *efx,
- struct ethtool_cmd *ecmd)
-{
- mdio_clause45_get_settings_ext(efx, ecmd, 0, 0);
-}
-
-/**
- * mdio_clause45_get_settings_ext - Read (some of) the PHY settings over MDIO.
- * @efx: Efx NIC
- * @ecmd: Buffer for settings
- * @xnp: Advertised Extended Next Page state
- * @xnp_lpa: Link Partner's advertised XNP state
- *
- * On return the 'port', 'speed', 'supported' and 'advertising' fields of
- * ecmd have been filled out.
- */
-void mdio_clause45_get_settings_ext(struct efx_nic *efx,
- struct ethtool_cmd *ecmd,
- u32 xnp, u32 xnp_lpa)
-{
- int phy_id = efx->mii.phy_id;
- int reg;
-
- ecmd->transceiver = XCVR_INTERNAL;
- ecmd->phy_address = phy_id;
-
- reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_PMAPMD,
- MDIO_MMDREG_CTRL2);
- switch (reg & MDIO_PMAPMD_CTRL2_TYPE_MASK) {
- case MDIO_PMAPMD_CTRL2_10G_BT:
- case MDIO_PMAPMD_CTRL2_1G_BT:
- case MDIO_PMAPMD_CTRL2_100_BT:
- case MDIO_PMAPMD_CTRL2_10_BT:
- ecmd->port = PORT_TP;
- ecmd->supported = SUPPORTED_TP;
- reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_PMAPMD,
- MDIO_MMDREG_SPEED);
- if (reg & (1 << MDIO_MMDREG_SPEED_10G_LBN))
- ecmd->supported |= SUPPORTED_10000baseT_Full;
- if (reg & (1 << MDIO_MMDREG_SPEED_1000M_LBN))
- ecmd->supported |= (SUPPORTED_1000baseT_Full |
- SUPPORTED_1000baseT_Half);
- if (reg & (1 << MDIO_MMDREG_SPEED_100M_LBN))
- ecmd->supported |= (SUPPORTED_100baseT_Full |
- SUPPORTED_100baseT_Half);
- if (reg & (1 << MDIO_MMDREG_SPEED_10M_LBN))
- ecmd->supported |= (SUPPORTED_10baseT_Full |
- SUPPORTED_10baseT_Half);
- ecmd->advertising = ADVERTISED_TP;
- break;
-
- /* We represent CX4 as fibre in the absence of anything better */
- case MDIO_PMAPMD_CTRL2_10G_CX4:
- /* All the other defined modes are flavours of optical */
- default:
- ecmd->port = PORT_FIBRE;
- ecmd->supported = SUPPORTED_FIBRE;
- ecmd->advertising = ADVERTISED_FIBRE;
- break;
- }
-
- if (efx->phy_op->mmds & DEV_PRESENT_BIT(MDIO_MMD_AN)) {
- ecmd->supported |= SUPPORTED_Autoneg;
- reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_AN,
- MDIO_MMDREG_CTRL1);
- if (reg & BMCR_ANENABLE) {
- ecmd->autoneg = AUTONEG_ENABLE;
- ecmd->advertising |=
- ADVERTISED_Autoneg |
- mdio_clause45_get_an(efx,
- MDIO_AN_ADVERTISE, xnp);
- } else
- ecmd->autoneg = AUTONEG_DISABLE;
- } else
- ecmd->autoneg = AUTONEG_DISABLE;
-
- /* If AN is enabled and complete, report best common mode */
- if (ecmd->autoneg &&
- (mdio_clause45_read(efx, phy_id, MDIO_MMD_AN, MDIO_MMDREG_STAT1) &
- (1 << MDIO_AN_STATUS_AN_DONE_LBN))) {
- u32 common, lpa;
- lpa = mdio_clause45_get_an(efx, MDIO_AN_LPA, xnp_lpa);
- common = ecmd->advertising & lpa;
- if (common & ADVERTISED_10000baseT_Full) {
- ecmd->speed = SPEED_10000;
- ecmd->duplex = DUPLEX_FULL;
- } else if (common & (ADVERTISED_1000baseT_Full |
- ADVERTISED_1000baseT_Half)) {
- ecmd->speed = SPEED_1000;
- ecmd->duplex = !!(common & ADVERTISED_1000baseT_Full);
- } else if (common & (ADVERTISED_100baseT_Full |
- ADVERTISED_100baseT_Half)) {
- ecmd->speed = SPEED_100;
- ecmd->duplex = !!(common & ADVERTISED_100baseT_Full);
- } else {
- ecmd->speed = SPEED_10;
- ecmd->duplex = !!(common & ADVERTISED_10baseT_Full);
- }
- } else {
- /* Report forced settings */
- reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_PMAPMD,
- MDIO_MMDREG_CTRL1);
- ecmd->speed = (((reg & BMCR_SPEED1000) ? 100 : 1) *
- ((reg & BMCR_SPEED100) ? 100 : 10));
- ecmd->duplex = (reg & BMCR_FULLDPLX ||
- ecmd->speed == SPEED_10000);
- }
-}
-
/**
- * mdio_clause45_set_settings - Set (some of) the PHY settings over MDIO.
+ * efx_mdio_set_settings - Set (some of) the PHY settings over MDIO.
* @efx: Efx NIC
* @ecmd: New settings
*/
-int mdio_clause45_set_settings(struct efx_nic *efx,
- struct ethtool_cmd *ecmd)
+int efx_mdio_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
{
- int phy_id = efx->mii.phy_id;
struct ethtool_cmd prev;
u32 required;
- int ctrl1_bits, reg;
+ int reg;
efx->phy_op->get_settings(efx, &prev);
if (prev.port != PORT_TP || ecmd->port != PORT_TP)
return -EINVAL;
- /* Check that PHY supports these settings and work out the
- * basic control bits */
- if (ecmd->duplex) {
+ /* Check that PHY supports these settings */
+ if (ecmd->autoneg) {
+ required = SUPPORTED_Autoneg;
+ } else if (ecmd->duplex) {
switch (ecmd->speed) {
- case SPEED_10:
- ctrl1_bits = BMCR_FULLDPLX;
- required = SUPPORTED_10baseT_Full;
- break;
- case SPEED_100:
- ctrl1_bits = BMCR_SPEED100 | BMCR_FULLDPLX;
- required = SUPPORTED_100baseT_Full;
- break;
- case SPEED_1000:
- ctrl1_bits = BMCR_SPEED1000 | BMCR_FULLDPLX;
- required = SUPPORTED_1000baseT_Full;
- break;
- case SPEED_10000:
- ctrl1_bits = (BMCR_SPEED1000 | BMCR_SPEED100 |
- BMCR_FULLDPLX);
- required = SUPPORTED_10000baseT_Full;
- break;
- default:
- return -EINVAL;
+ case SPEED_10: required = SUPPORTED_10baseT_Full; break;
+ case SPEED_100: required = SUPPORTED_100baseT_Full; break;
+ default: return -EINVAL;
}
} else {
switch (ecmd->speed) {
- case SPEED_10:
- ctrl1_bits = 0;
- required = SUPPORTED_10baseT_Half;
- break;
- case SPEED_100:
- ctrl1_bits = BMCR_SPEED100;
- required = SUPPORTED_100baseT_Half;
- break;
- case SPEED_1000:
- ctrl1_bits = BMCR_SPEED1000;
- required = SUPPORTED_1000baseT_Half;
- break;
- default:
- return -EINVAL;
+ case SPEED_10: required = SUPPORTED_10baseT_Half; break;
+ case SPEED_100: required = SUPPORTED_100baseT_Half; break;
+ default: return -EINVAL;
}
}
- if (ecmd->autoneg)
- required |= SUPPORTED_Autoneg;
required |= ecmd->advertising;
if (required & ~prev.supported)
return -EINVAL;
- /* Set the basic control bits */
- reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_PMAPMD,
- MDIO_MMDREG_CTRL1);
- reg &= ~(BMCR_SPEED1000 | BMCR_SPEED100 | BMCR_FULLDPLX | 0x003c);
- reg |= ctrl1_bits;
- mdio_clause45_write(efx, phy_id, MDIO_MMD_PMAPMD, MDIO_MMDREG_CTRL1,
- reg);
-
- /* Set the AN registers */
- if (ecmd->autoneg != prev.autoneg ||
- ecmd->advertising != prev.advertising) {
- bool xnp = false;
-
- if (efx->phy_op->set_xnp_advertise)
- xnp = efx->phy_op->set_xnp_advertise(efx,
- ecmd->advertising);
-
- if (ecmd->autoneg) {
- reg = 0;
- if (ecmd->advertising & ADVERTISED_10baseT_Half)
- reg |= ADVERTISE_10HALF;
- if (ecmd->advertising & ADVERTISED_10baseT_Full)
- reg |= ADVERTISE_10FULL;
- if (ecmd->advertising & ADVERTISED_100baseT_Half)
- reg |= ADVERTISE_100HALF;
- if (ecmd->advertising & ADVERTISED_100baseT_Full)
- reg |= ADVERTISE_100FULL;
- if (xnp)
- reg |= ADVERTISE_RESV;
- mdio_clause45_write(efx, phy_id, MDIO_MMD_AN,
- MDIO_AN_ADVERTISE, reg);
- }
-
- reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_AN,
- MDIO_MMDREG_CTRL1);
- if (ecmd->autoneg)
- reg |= BMCR_ANENABLE | BMCR_ANRESTART;
- else
- reg &= ~BMCR_ANENABLE;
+ if (ecmd->autoneg) {
+ bool xnp = (ecmd->advertising & ADVERTISED_10000baseT_Full
+ || EFX_WORKAROUND_13204(efx));
+
+ /* Set up the base page */
+ reg = ADVERTISE_CSMA;
+ if (ecmd->advertising & ADVERTISED_10baseT_Half)
+ reg |= ADVERTISE_10HALF;
+ if (ecmd->advertising & ADVERTISED_10baseT_Full)
+ reg |= ADVERTISE_10FULL;
+ if (ecmd->advertising & ADVERTISED_100baseT_Half)
+ reg |= ADVERTISE_100HALF;
+ if (ecmd->advertising & ADVERTISED_100baseT_Full)
+ reg |= ADVERTISE_100FULL;
if (xnp)
- reg |= 1 << MDIO_AN_CTRL_XNP_LBN;
+ reg |= ADVERTISE_RESV;
+ else if (ecmd->advertising & (ADVERTISED_1000baseT_Half |
+ ADVERTISED_1000baseT_Full))
+ reg |= ADVERTISE_NPAGE;
+ reg |= mii_advertise_flowctrl(efx->wanted_fc);
+ efx_mdio_write(efx, MDIO_MMD_AN, MDIO_AN_ADVERTISE, reg);
+
+ /* Set up the (extended) next page if necessary */
+ if (efx->phy_op->set_npage_adv)
+ efx->phy_op->set_npage_adv(efx, ecmd->advertising);
+
+ /* Enable and restart AN */
+ reg = efx_mdio_read(efx, MDIO_MMD_AN, MDIO_CTRL1);
+ reg |= MDIO_AN_CTRL1_ENABLE;
+ if (!(EFX_WORKAROUND_15195(efx) &&
+ LOOPBACK_MASK(efx) & efx->phy_op->loopbacks))
+ reg |= MDIO_AN_CTRL1_RESTART;
+ if (xnp)
+ reg |= MDIO_AN_CTRL1_XNP;
else
- reg &= ~(1 << MDIO_AN_CTRL_XNP_LBN);
- mdio_clause45_write(efx, phy_id, MDIO_MMD_AN,
- MDIO_MMDREG_CTRL1, reg);
+ reg &= ~MDIO_AN_CTRL1_XNP;
+ efx_mdio_write(efx, MDIO_MMD_AN, MDIO_CTRL1, reg);
+ } else {
+ /* Disable AN */
+ efx_mdio_set_flag(efx, MDIO_MMD_AN, MDIO_CTRL1,
+ MDIO_AN_CTRL1_ENABLE, false);
+
+ /* Set the basic control bits */
+ reg = efx_mdio_read(efx, MDIO_MMD_PMAPMD, MDIO_CTRL1);
+ reg &= ~(MDIO_CTRL1_SPEEDSEL | MDIO_CTRL1_FULLDPLX);
+ if (ecmd->speed == SPEED_100)
+ reg |= MDIO_PMA_CTRL1_SPEED100;
+ if (ecmd->duplex)
+ reg |= MDIO_CTRL1_FULLDPLX;
+ efx_mdio_write(efx, MDIO_MMD_PMAPMD, MDIO_CTRL1, reg);
}
return 0;
}
-void mdio_clause45_set_pause(struct efx_nic *efx)
-{
- int phy_id = efx->mii.phy_id;
- int reg;
-
- if (efx->phy_op->mmds & DEV_PRESENT_BIT(MDIO_MMD_AN)) {
- /* Set pause capability advertising */
- reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_AN,
- MDIO_AN_ADVERTISE);
- reg &= ~(ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
- reg |= efx_fc_advertise(efx->wanted_fc);
- mdio_clause45_write(efx, phy_id, MDIO_MMD_AN,
- MDIO_AN_ADVERTISE, reg);
-
- /* Restart auto-negotiation */
- reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_AN,
- MDIO_MMDREG_CTRL1);
- if (reg & BMCR_ANENABLE) {
- reg |= BMCR_ANRESTART;
- mdio_clause45_write(efx, phy_id, MDIO_MMD_AN,
- MDIO_MMDREG_CTRL1, reg);
- }
- }
-}
-
-enum efx_fc_type mdio_clause45_get_pause(struct efx_nic *efx)
+enum efx_fc_type efx_mdio_get_pause(struct efx_nic *efx)
{
- int phy_id = efx->mii.phy_id;
int lpa;
- if (!(efx->phy_op->mmds & DEV_PRESENT_BIT(MDIO_MMD_AN)))
+ if (!(efx->phy_op->mmds & MDIO_DEVS_AN))
return efx->wanted_fc;
- lpa = mdio_clause45_read(efx, phy_id, MDIO_MMD_AN, MDIO_AN_LPA);
+ lpa = efx_mdio_read(efx, MDIO_MMD_AN, MDIO_AN_LPA);
return efx_fc_resolve(efx->wanted_fc, lpa);
}
-
-void mdio_clause45_set_flag(struct efx_nic *efx, u8 prt, u8 dev,
- u16 addr, int bit, bool sense)
-{
- int old_val = mdio_clause45_read(efx, prt, dev, addr);
- int new_val;
-
- if (sense)
- new_val = old_val | (1 << bit);
- else
- new_val = old_val & ~(1 << bit);
- if (old_val != new_val)
- mdio_clause45_write(efx, prt, dev, addr, new_val);
-}