diff options
| -rw-r--r-- | sys/dev/re/if_re.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/sys/dev/re/if_re.c b/sys/dev/re/if_re.c index 95983af..8f8cfa1 100644 --- a/sys/dev/re/if_re.c +++ b/sys/dev/re/if_re.c @@ -423,13 +423,12 @@ re_gmii_readreg(device_t dev, int phy, int reg) } CSR_WRITE_4(sc, RL_PHYAR, reg << 16); - DELAY(1000); for (i = 0; i < RL_PHY_TIMEOUT; i++) { rval = CSR_READ_4(sc, RL_PHYAR); if (rval & RL_PHYAR_BUSY) break; - DELAY(100); + DELAY(25); } if (i == RL_PHY_TIMEOUT) { @@ -437,6 +436,11 @@ re_gmii_readreg(device_t dev, int phy, int reg) return (0); } + /* + * Controller requires a 20us delay to process next MDIO request. + */ + DELAY(20); + return (rval & RL_PHYAR_PHYDATA); } @@ -451,13 +455,12 @@ re_gmii_writereg(device_t dev, int phy, int reg, int data) CSR_WRITE_4(sc, RL_PHYAR, (reg << 16) | (data & RL_PHYAR_PHYDATA) | RL_PHYAR_BUSY); - DELAY(1000); for (i = 0; i < RL_PHY_TIMEOUT; i++) { rval = CSR_READ_4(sc, RL_PHYAR); if (!(rval & RL_PHYAR_BUSY)) break; - DELAY(100); + DELAY(25); } if (i == RL_PHY_TIMEOUT) { @@ -465,6 +468,11 @@ re_gmii_writereg(device_t dev, int phy, int reg, int data) return (0); } + /* + * Controller requires a 20us delay to process next MDIO request. + */ + DELAY(20); + return (0); } |
