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Merged in mrechte/nuttx-twrk64 (pull request #220)

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kinetis_enet.c add #define for number of loops for auto negotiation to complete

Approved-by: Gregory Nutt
This commit is contained in:
Marc Rechté 2017-02-24 12:57:16 +00:00 committed by Gregory Nutt
commit c4134e0181
1 changed files with 4 additions and 3 deletions
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7
arch/arm/src/kinetis/kinetis_enet.c
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@ -127,6 +127,7 @@
#define KINETIS_TXTIMEOUT (60*CLK_TCK) #define KINETIS_TXTIMEOUT (60*CLK_TCK)
#define MII_MAXPOLLS (0x1ffff) #define MII_MAXPOLLS (0x1ffff)
#define LINK_WAITUS (500*1000) #define LINK_WAITUS (500*1000)
#define LINK_NLOOPS (10)
/* PHY definitions. /* PHY definitions.
* *
@ -1763,7 +1764,7 @@ static inline int kinetis_initphy(struct kinetis_driver_s *priv)
/* Wait for auto negotiation to complete */ /* Wait for auto negotiation to complete */
for (retries = 0; retries < 10; retries++) for (retries = 0; retries < LINK_NLOOPS; retries++)
{ {
ret = kinetis_readmii(priv, phyaddr, MII_MSR, &phydata); ret = kinetis_readmii(priv, phyaddr, MII_MSR, &phydata);
if (ret < 0) if (ret < 0)
@ -1792,8 +1793,8 @@ static inline int kinetis_initphy(struct kinetis_driver_s *priv)
PHY chip have mechanisms to configure link OK. We should leave autconf on, PHY chip have mechanisms to configure link OK. We should leave autconf on,
and find a way to re-configure MCU whenever the link is ready. */ and find a way to re-configure MCU whenever the link is ready. */
ninfo("%s: Autonegotiation failed (is cable plugged-in ?), default to 10Mbs mode\n", \ ninfo("%s: Autonegotiation failed [%d] (is cable plugged-in ?), default to 10Mbs mode\n", \
BOARD_PHY_NAME); BOARD_PHY_NAME, retries);
/* Stop auto negotiation */ /* Stop auto negotiation */