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reformatted

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This commit is contained in:
Markus Fröschle
2015-10-11 19:13:02 +00:00
parent 479dd69eb6
commit a14f3a8b59
29 changed files with 43510 additions and 43430 deletions
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126
net/am79c874.c
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@@ -32,7 +32,7 @@
* This function sets up the Auto-Negotiate Advertisement register
* within the PHY and then forces the PHY to auto-negotiate for
* it's settings.
*
*
* Params:
* fec_ch FEC channel
* phy_addr Address of the PHY.
@@ -45,80 +45,80 @@
*/
int am79c874_init(uint8_t fec_ch, uint8_t phy_addr, uint8_t speed, uint8_t duplex)
{
int timeout;
uint16_t settings;
if (speed); /* to do */
if (duplex); /* to do */
/* Initialize the MII interface */
fec_mii_init(fec_ch, SYSCLK / 1000);
dbg("%s: PHY reset\r\n", __FUNCTION__);
/* Reset the PHY */
if (!fec_mii_write(fec_ch, phy_addr, MII_AM79C874_CR, MII_AM79C874_CR_RESET))
return 0;
int timeout;
uint16_t settings;
if (speed); /* to do */
if (duplex); /* to do */
/* Wait for the PHY to reset */
for (timeout = 0; timeout < FEC_MII_TIMEOUT; timeout++)
{
fec_mii_read(fec_ch, phy_addr, MII_AM79C874_CR, &settings);
if (!(settings & MII_AM79C874_CR_RESET))
break;
}
/* Initialize the MII interface */
fec_mii_init(fec_ch, SYSCLK / 1000);
dbg("%s: PHY reset\r\n", __FUNCTION__);
if (timeout >= FEC_MII_TIMEOUT)
{
dbg("%s: PHY reset failed\r\n", __FUNCTION__);
return 0;
};
dbg("%s: PHY reset OK\r\n", __FUNCTION__);
dbg("%s: PHY Enable Auto-Negotiation\r\n", __FUNCTION__);
/* Reset the PHY */
if (!fec_mii_write(fec_ch, phy_addr, MII_AM79C874_CR, MII_AM79C874_CR_RESET))
return 0;
/* Enable Auto-Negotiation */
if (!fec_mii_write(fec_ch, phy_addr, MII_AM79C874_CR, MII_AM79C874_CR_AUTON | MII_AM79C874_CR_RST_NEG))
return 0;
dbg("%s:PHY Wait for auto-negotiation to complete\r\n", __FUNCTION__);
/* Wait for the PHY to reset */
for (timeout = 0; timeout < FEC_MII_TIMEOUT; timeout++)
{
fec_mii_read(fec_ch, phy_addr, MII_AM79C874_CR, &settings);
if (!(settings & MII_AM79C874_CR_RESET))
break;
}
/* Wait for auto-negotiation to complete */
for (timeout = 0; timeout < FEC_MII_TIMEOUT; timeout++)
{
settings = 0;
fec_mii_read(fec_ch, phy_addr, MII_AM79C874_SR, &settings);
if ((settings & AUTONEGLINK) == AUTONEGLINK)
break;
}
if (timeout >= FEC_MII_TIMEOUT)
{
dbg("%s: PHY reset failed\r\n", __FUNCTION__);
return 0;
};
dbg("%s: PHY reset OK\r\n", __FUNCTION__);
dbg("%s: PHY Enable Auto-Negotiation\r\n", __FUNCTION__);
if (timeout >= FEC_MII_TIMEOUT)
{
dbg("%s: Auto-negotiation failed (timeout). Set default mode (100Mbps, full duplex)\r\n", __FUNCTION__);
/* Enable Auto-Negotiation */
if (!fec_mii_write(fec_ch, phy_addr, MII_AM79C874_CR, MII_AM79C874_CR_AUTON | MII_AM79C874_CR_RST_NEG))
return 0;
/* Set the default mode (Full duplex, 100 Mbps) */
if (!fec_mii_write(fec_ch, phy_addr, MII_AM79C874_CR, MII_AM79C874_CR_100MB | MII_AM79C874_CR_DPLX))
{
dbg("%s: forced setting 100Mbps/full failed.\r\n", __FUNCTION__);
return 0;
}
}
dbg("%s:PHY Wait for auto-negotiation to complete\r\n", __FUNCTION__);
/* Wait for auto-negotiation to complete */
for (timeout = 0; timeout < FEC_MII_TIMEOUT; timeout++)
{
settings = 0;
fec_mii_read(fec_ch, phy_addr, MII_AM79C874_SR, &settings);
if ((settings & AUTONEGLINK) == AUTONEGLINK)
break;
}
if (timeout >= FEC_MII_TIMEOUT)
{
dbg("%s: Auto-negotiation failed (timeout). Set default mode (100Mbps, full duplex)\r\n", __FUNCTION__);
/* Set the default mode (Full duplex, 100 Mbps) */
if (!fec_mii_write(fec_ch, phy_addr, MII_AM79C874_CR, MII_AM79C874_CR_100MB | MII_AM79C874_CR_DPLX))
{
dbg("%s: forced setting 100Mbps/full failed.\r\n", __FUNCTION__);
return 0;
}
}
#ifdef DBG_AM79
settings = 0;
settings = 0;
fec_mii_read(fec_ch, phy_addr, MII_AM79C874_DR, &settings);
fec_mii_read(fec_ch, phy_addr, MII_AM79C874_DR, &settings);
dbg("%s: PHY Mode:\r\n", __FUNCTION__);
if (settings & MII_AM79C874_DR_DATA_RATE)
dbg("%s: 100Mbps", __FUNCTION__);
else
dbg("%s: 10Mbps ", __FUNCTION__);
dbg("%s: PHY Mode:\r\n", __FUNCTION__);
if (settings & MII_AM79C874_DR_DATA_RATE)
dbg("%s: 100Mbps", __FUNCTION__);
else
dbg("%s: 10Mbps ", __FUNCTION__);
if (settings & MII_AM79C874_DR_DPLX)
dbg("%s: Full-duplex\r\n", __FUNCTION__);
else
dbg("%s: Half-duplex\r\n", __FUNCTION__);
if (settings & MII_AM79C874_DR_DPLX)
dbg("%s: Full-duplex\r\n", __FUNCTION__);
else
dbg("%s: Half-duplex\r\n", __FUNCTION__);
dbg("%s:PHY auto-negotiation complete\r\n", __FUNCTION__);
dbg("%s:PHY auto-negotiation complete\r\n", __FUNCTION__);
#endif /* DBG_AM79 */
return 1;
return 1;
}