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Tiva Ethernet: MMC interrupts need to be disable initially

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This commit is contained in:
Gregory Nutt 2015-01-02 11:40:48 -06:00
parent ea3895c2e8
commit 9688a9aacb
1 changed files with 12 additions and 5 deletions
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17
arch/arm/src/tiva/tm4c_ethernet.c
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@ -252,11 +252,11 @@
#if SYSCLK_FREQUENCY >= 20000000 && SYSCLK_FREQUENCY < 35000000
# define EMAC_MIIADDR_CR EMAC_MIIADDR_CR_20_35
#elif SYSCLK_FREQUENCY >= 35000000 && SYSCLK_FREQUENCY < 60000000
#elif SYSCLK_FREQUENCY >= 35000000 && SYSCLK_FREQUENCY <= 64000000
# define EMAC_MIIADDR_CR EMAC_MIIADDR_CR_35_60
#elif SYSCLK_FREQUENCY >= 60000000 && SYSCLK_FREQUENCY < 100000000
#elif SYSCLK_FREQUENCY >= 60000000 && SYSCLK_FREQUENCY <= 104000000
# define EMAC_MIIADDR_CR EMAC_MIIADDR_CR_60_100
#elif SYSCLK_FREQUENCY >= 100000000 && SYSCLK_FREQUENCY < 150000000
#elif SYSCLK_FREQUENCY >= 100000000 && SYSCLK_FREQUENCY <= 150000000
# define EMAC_MIIADDR_CR EMAC_MIIADDR_CR_100_150
#elif SYSCLK_FREQUENCY >= 150000000 && SYSCLK_FREQUENCY <= 168000000
# define EMAC_MIIADDR_CR EMAC_MIIADDR_CR_150_168
@ -3061,6 +3061,7 @@ static int tiva_phyinit(FAR struct tiva_ethmac_s *priv)
ndbg("Failed to reset the PHY: %d\n", ret);
return ret;
}
up_mdelay(PHY_RESET_DELAY);
/* Perform auto-negotiation if so configured */
@ -3276,7 +3277,8 @@ static inline void tiva_phy_release(FAR struct tiva_ethmac_s *priv)
* Function: tiva_phy_configure
*
* Description:
* Configure to support an external PHY
* Configure to support the selected PHY. Called after each reset since
* many properties of the PHY configuration are lost at each reset.
*
* Parameters:
* priv - A reference to the private driver state structure
@ -3328,6 +3330,11 @@ static void tiva_phy_configure(FAR struct tiva_ethmac_s *priv)
up_udelay(250);
#endif
/* Disable all MMC interrupts as these are enabled by default at reset */
tiva_putreg(0xffffffff, TIVA_EMAC_MMCRXIM);
tiva_putreg(0xffffffff, TIVA_EMAC_MMCTXIM);
/* If using an external RMII PHY, we must enable the external clock */
regval = tiva_getreg(TIVA_EMAC_CC);
@ -3566,7 +3573,7 @@ static void tiva_ethreset(FAR struct tiva_ethmac_s *priv)
while (!tiva_emac_periphrdy());
up_udelay(250);
/* Configure the PHY */
/* Reconfigure the PHY */
tiva_phy_configure(priv);