diff options
| author | Michael Chan <mchan@broadcom.com> | 2006-12-07 00:19:40 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2006-12-07 00:19:40 -0800 |
| commit | 5d64ad34f468278ce66f9eb4d876dd221490e94c (patch) | |
| tree | afbb4b855a912592ac6f179e146af000810fa56b /drivers/net/tg3.c | |
| parent | 456c38f9682645cbb0537cb4e16848a28c1d3a76 (diff) | |
| download | lwn-5d64ad34f468278ce66f9eb4d876dd221490e94c.tar.gz lwn-5d64ad34f468278ce66f9eb4d876dd221490e94c.zip | |
[TG3]: Fix Phy loopback.
Phy loopback on most 10/100 devices need to be run in 1Gbps mode in
GMII mode.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/tg3.c')
| -rw-r--r-- | drivers/net/tg3.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index d9123c9adc1e..e6561c1d85d6 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -8781,17 +8781,20 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode) tg3_writephy(tp, 0x10, phy & ~0x4000); tg3_writephy(tp, MII_TG3_EPHY_TEST, phytest); } - } - val = BMCR_LOOPBACK | BMCR_FULLDPLX; - if (tp->tg3_flags & TG3_FLAG_10_100_ONLY) - val |= BMCR_SPEED100; - else - val |= BMCR_SPEED1000; + val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED100; + } else + val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED1000; tg3_writephy(tp, MII_BMCR, val); udelay(40); - if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) + + mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) | + MAC_MODE_LINK_POLARITY; + if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) { tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x1800); + mac_mode |= MAC_MODE_PORT_MODE_MII; + } else + mac_mode |= MAC_MODE_PORT_MODE_GMII; /* reset to prevent losing 1st rx packet intermittently */ if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) { @@ -8799,12 +8802,6 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode) udelay(10); tw32_f(MAC_RX_MODE, tp->rx_mode); } - mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) | - MAC_MODE_LINK_POLARITY; - if (tp->tg3_flags & TG3_FLAG_10_100_ONLY) - mac_mode |= MAC_MODE_PORT_MODE_MII; - else - mac_mode |= MAC_MODE_PORT_MODE_GMII; if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) { mac_mode &= ~MAC_MODE_LINK_POLARITY; tg3_writephy(tp, MII_TG3_EXT_CTRL, |