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Tiva Ethernet: Add lots of debug output for testing

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This commit is contained in:
Gregory Nutt 2015-01-02 13:10:25 -06:00
parent 213eb321db
commit 5009feb414
1 changed files with 23 additions and 5 deletions
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28
arch/arm/src/tiva/tm4c_ethernet.c
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@ -797,6 +797,7 @@ static uint32_t tiva_getreg(uint32_t addr)
{
lldbg("...\n");
}
return val;
}
}
@ -3382,6 +3383,7 @@ static inline void tiva_phy_initialize(FAR struct tiva_ethmac_s *priv)
/* Enable the clock to the PHY module */
nllvdbg("Enable EPHY clocking\n");
tiva_ephy_enableclk();
/* What until the PREPHY register indicates that the PHY is ready before
@ -3393,6 +3395,7 @@ static inline void tiva_phy_initialize(FAR struct tiva_ethmac_s *priv)
/* Enable power to the Ethernet PHY */
nllvdbg("Enable EPHY power\n");
tiva_ephy_enablepwr();
/* What until the PREPHY register indicates that the PHY registers are ready
@ -3402,6 +3405,11 @@ static inline void tiva_phy_initialize(FAR struct tiva_ethmac_s *priv)
while (!tiva_ephy_periphrdy());
up_udelay(250);
nllvdbg("RCGCEPHY: %08x PREPHY: %08x\n",
getreg32(TIVA_SYSCON_RCGCEPHY), getreg32(TIVA_SYSCON_PREPHY));
nllvdbg("Configure PHY GPIOs\n");
#ifdef CONFIG_TIVA_PHY_INTERNAL
/* Integrated PHY:
*
@ -3573,10 +3581,6 @@ static void tiva_ethreset(FAR struct tiva_ethmac_s *priv)
while (!tiva_emac_periphrdy());
up_udelay(250);
/* Reconfigure the PHY */
tiva_phy_configure(priv);
/* Perform a software reset by setting the SR bit in the DMABUSMOD register.
* This Resets all MAC subsystem internal registers and logic. After this
* reset all the registers holds their reset values.
@ -3592,6 +3596,12 @@ static void tiva_ethreset(FAR struct tiva_ethmac_s *priv)
while ((tiva_getreg(TIVA_EMAC_DMABUSMOD) & EMAC_DMABUSMOD_SWR) != 0);
up_udelay(250);
/* Reconfigure the PHY. Some PHY configurations will be lost as a
* consequence of the reset
*/
tiva_phy_configure(priv);
}
/****************************************************************************
@ -3888,7 +3898,7 @@ int tiva_ethinitialize(int intf)
{
struct tiva_ethmac_s *priv;
nvdbg("intf: %d\n", intf);
nllvdbg("intf: %d\n", intf);
/* Get the interface structure associated with this interface number. */
@ -3934,6 +3944,7 @@ int tiva_ethinitialize(int intf)
* bringing it a fully functional state.
*/
nllvdbg("Enable EMAC clocking\n");
tiva_emac_enablepwr(); /* Ethernet MAC Power Control */
tiva_emac_enableclk(); /* Ethernet MAC Run Mode Clock Gating Control */
@ -3944,8 +3955,12 @@ int tiva_ethinitialize(int intf)
while (!tiva_emac_periphrdy());
up_udelay(250);
nllvdbg("RCGCEMAC: %08x PREMAC: %08x\n",
getreg32(TIVA_SYSCON_RCGCEMAC), getreg32(TIVA_SYSCON_PREMAC));
/* Configure GPIOs to support the internal/eternal PHY */
nllvdbg("Calling tiva_phy_initialize\n");
tiva_phy_initialize(priv);
/* Attach the IRQ to the driver */
@ -3959,11 +3974,14 @@ int tiva_ethinitialize(int intf)
/* Put the interface in the down state. */
nllvdbg("Calling tiva_ifdown\n");
tiva_ifdown(&priv->dev);
/* Register the device with the OS so that socket IOCTLs can be performed */
nllvdbg("Registering Ethernet device\n");
(void)netdev_register(&priv->dev, NET_LL_ETHERNET);
return OK;
}