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author | Gregory Nutt <gnutt@nuttx.org> | 2015-01-02 13:10:25 -0600 |
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committer | Gregory Nutt <gnutt@nuttx.org> | 2015-01-02 13:10:25 -0600 |
commit | 161f69f1e146401f279b529c94b427160ce0f5c4 (patch) | |
tree | e84210e1e6b7b41b973f33e3fb6f67f72dba51f2 /nuttx/arch/arm/src/tiva | |
parent | 7b6d04e5f47bea932bf8e364ff060d4f7fb49b09 (diff) | |
download | nuttx-161f69f1e146401f279b529c94b427160ce0f5c4.tar.gz nuttx-161f69f1e146401f279b529c94b427160ce0f5c4.tar.bz2 nuttx-161f69f1e146401f279b529c94b427160ce0f5c4.zip |
Tiva Ethernet: Add lots of debug output for testing
Diffstat (limited to 'nuttx/arch/arm/src/tiva')
-rw-r--r-- | nuttx/arch/arm/src/tiva/tm4c_ethernet.c | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/nuttx/arch/arm/src/tiva/tm4c_ethernet.c b/nuttx/arch/arm/src/tiva/tm4c_ethernet.c index 8dc19a5e1..07ee3fbc9 100644 --- a/nuttx/arch/arm/src/tiva/tm4c_ethernet.c +++ b/nuttx/arch/arm/src/tiva/tm4c_ethernet.c @@ -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; } |