Esempi in C++ (Cpp) per ethernet_phy_setup_rmii

Esempio n. 1

File: macb.c Progetto: novotnyjirka81/AV6

static bool prvProbePHY(volatile avr32_macb_t *macb)
{
  volatile unsigned long mii_status;
  volatile unsigned long config;
  unsigned long upper, lower, advertise, lpa;
  volatile unsigned long physID;

  // Read Phy Identifier register 1 & 2
  lower = ulReadMDIO(macb, PHY_PHYSID2);
  upper = ulReadMDIO(macb, PHY_PHYSID1);
  // get Phy ID, ignore Revision
  physID = ((upper << 16) & 0xFFFF0000) | (lower & 0xFFF0);
  // check if it match config
  if (physID == EXTPHY_PHY_ID)
  {
#if ETHERNET_CONF_USE_RMII_INTERFACE
    // setup rmii mode
    ethernet_phy_setup_rmii(macb);
#endif

    // set advertise register
#if ETHERNET_CONF_AN_ENABLE == 1
    advertise = ADVERTISE_CSMA | ADVERTISE_ALL;
#else
    advertise = ADVERTISE_CSMA;
    #if ETHERNET_CONF_USE_100MB
      #if ETHERNET_CONF_USE_FULL_DUPLEX
        advertise |= ADVERTISE_100FULL;
      #else
        advertise |= ADVERTISE_100HALF;
      #endif
    #else
      #if ETHERNET_CONF_USE_FULL_DUPLEX
        advertise |= ADVERTISE_10FULL;
      #else
        advertise |= ADVERTISE_10HALF;
      #endif
    #endif
#endif
    // write advertise register
    vWriteMDIO(macb, PHY_ADVERTISE, advertise);
    // read Control register
    config = ulReadMDIO(macb, PHY_BMCR);

    // setup auto negociation
    ethernet_phy_setup_auto_negociation(macb, &config);

    // update ctrl register
    vWriteMDIO(macb, PHY_BMCR, config);

    // loop while link status isn't OK
    do {
      mii_status = ulReadMDIO(macb, PHY_BMSR);
    } while (!(mii_status & BMSR_LSTATUS));

    // read the LPA configuration of the PHY
    lpa = ulReadMDIO(macb, PHY_LPA);

    // read the MACB config register
    config = AVR32_MACB.ncfgr;

    // if 100MB needed
    if ((lpa & advertise) & (LPA_100HALF | LPA_100FULL))
    {
      config |= AVR32_MACB_SPD_MASK;
    }
    else
    {
      config &= ~(AVR32_MACB_SPD_MASK);
    }

    // if FULL DUPLEX needed
    if ((lpa & advertise) & (LPA_10FULL | LPA_100FULL))
    {
      config |= AVR32_MACB_FD_MASK;
    }
    else
    {
      config &= ~(AVR32_MACB_FD_MASK);
    }

    // write the MACB config register
    macb->ncfgr = config;

    return true;
  }
  return false;
}

Esempio n. 2

File: macb.c Progetto: motion55/LWIPTEST2

static bool prvProbePHY(volatile avr32_macb_t *macb)
{
  volatile unsigned long config;
  unsigned long upper, lower, advertise;
  volatile unsigned long physID;

  // Read Phy Identifier register 1 & 2
  lower = ulReadMDIO(macb, PHY_PHYSID2);
  upper = ulReadMDIO(macb, PHY_PHYSID1);
  // get Phy ID, ignore Revision
  physID = ((upper << 16) & 0xFFFF0000) | (lower & 0xFFF0);
  // check if it match config
  if (physID == EXTPHY_PHY_ID)
  {
#if ETHERNET_CONF_USE_RMII_INTERFACE
    // setup rmii mode
    ethernet_phy_setup_rmii(macb);
#endif

    // set advertise register
#if ETHERNET_CONF_AN_ENABLE == 1
    advertise = ADVERTISE_CSMA | ADVERTISE_ALL;
#else
    advertise = ADVERTISE_CSMA;
    #if ETHERNET_CONF_USE_100MB
      #if ETHERNET_CONF_USE_FULL_DUPLEX
        advertise |= ADVERTISE_100FULL;
      #else
        advertise |= ADVERTISE_100HALF;
      #endif
    #else
      #if ETHERNET_CONF_USE_FULL_DUPLEX
        advertise |= ADVERTISE_10FULL;
      #else
        advertise |= ADVERTISE_10HALF;
      #endif
    #endif
#endif
    // write advertise register
    vWriteMDIO(macb, PHY_ADVERTISE, advertise);
    // read Control register
    config = ulReadMDIO(macb, PHY_BMCR);

    // setup auto negotiation
    ethernet_phy_setup_auto_negotiation(macb, &config);

    // update ctrl register
    vWriteMDIO(macb, PHY_BMCR, config);

#if (ETHERNET_CONF_USE_PHY_IT == 0)
    volatile unsigned long mii_status;
    // loop while link status isn't OK
    do {
      mii_status = ulReadMDIO(macb, PHY_BMSR);
    } while (!(mii_status & BMSR_LSTATUS));

    prvSetupMACBConfig(macb);
#endif /* ETHERNET_CONF_USE_PHY_IT == 0 */

    return true;
  }
  return false;
}