diff options
| author | Michael Chan <mchan@broadcom.com> | 2006-04-29 18:56:34 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2006-04-29 18:56:34 -0700 |
| commit | c424cb249dae10fb7f118f89091f1329b62b92f4 (patch) | |
| tree | 71fec6de971313c0add0b0c0b7580c736e0f12cb /drivers | |
| parent | c8e1e82b6a97ad44517517aa58b7b794ead0bf33 (diff) | |
| download | linux-c424cb249dae10fb7f118f89091f1329b62b92f4.tar.gz | |
[TG3]: Add phy workaround
Add some PHY workaround code to reduce jitter on some PHYs.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/tg3.c | 17 | ||||
| -rw-r--r-- | drivers/net/tg3.h | 1 |
2 files changed, 14 insertions, 4 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index a28accbfcdf73..a307340617005 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -1030,6 +1030,12 @@ out: tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2); tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400); } + else if (tp->tg3_flags2 & TG3_FLG2_PHY_JITTER_BUG) { + tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00); + tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a); + tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b); + tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400); + } /* Set Extended packet length bit (bit 14) on all chips that */ /* support jumbo frames */ if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) { @@ -10360,10 +10366,13 @@ static int __devinit tg3_get_invariants(struct tg3 *tp) if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG; - if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) && - (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755) && - (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787)) - tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG; + if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) { + if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 || + GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787) + tp->tg3_flags2 |= TG3_FLG2_PHY_JITTER_BUG; + else + tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG; + } tp->coalesce_mode = 0; if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX && diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h index 8c8b987d12508..0e29b885d449d 100644 --- a/drivers/net/tg3.h +++ b/drivers/net/tg3.h @@ -2215,6 +2215,7 @@ struct tg3 { #define TG3_FLG2_HW_TSO_2 0x08000000 #define TG3_FLG2_HW_TSO (TG3_FLG2_HW_TSO_1 | TG3_FLG2_HW_TSO_2) #define TG3_FLG2_1SHOT_MSI 0x10000000 +#define TG3_FLG2_PHY_JITTER_BUG 0x20000000 u32 split_mode_max_reqs; #define SPLIT_MODE_5704_MAX_REQ 3 |