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| author | Michael Chan <mchan@broadcom.com> | 2007-01-08 19:56:01 -0800 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-01-09 00:30:03 -0800 |
| commit | 253c8b75546c5f21d5321d691df92c1e84d9b0fb (patch) | |
| tree | 3f537a817591d1028e7b5411bfa12e2857ada254 /drivers/net | |
| parent | 261dd5ca05c6f36c9216f2d60b018f59f92620c4 (diff) | |
| download | linux-stable-253c8b75546c5f21d5321d691df92c1e84d9b0fb.tar.gz linux-stable-253c8b75546c5f21d5321d691df92c1e84d9b0fb.tar.bz2 linux-stable-253c8b75546c5f21d5321d691df92c1e84d9b0fb.zip | |
[BNX2]: Fix 5709 Serdes detection.
5709 has a new register to detect copper/fiber PHYs.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/bnx2.c | 45 |
1 files changed, 41 insertions, 4 deletions
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 8d682fc37607..e325f9337225 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -5643,6 +5643,44 @@ poll_bnx2(struct net_device *dev) } #endif +static void __devinit +bnx2_get_5709_media(struct bnx2 *bp) +{ + u32 val = REG_RD(bp, BNX2_MISC_DUAL_MEDIA_CTRL); + u32 bond_id = val & BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID; + u32 strap; + + if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C) + return; + else if (bond_id == BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) { + bp->phy_flags |= PHY_SERDES_FLAG; + return; + } + + if (val & BNX2_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE) + strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21; + else + strap = (val & BNX2_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8; + + if (PCI_FUNC(bp->pdev->devfn) == 0) { + switch (strap) { + case 0x4: + case 0x5: + case 0x6: + bp->phy_flags |= PHY_SERDES_FLAG; + return; + } + } else { + switch (strap) { + case 0x1: + case 0x2: + case 0x4: + bp->phy_flags |= PHY_SERDES_FLAG; + return; + } + } +} + static int __devinit bnx2_init_board(struct pci_dev *pdev, struct net_device *dev) { @@ -5863,10 +5901,9 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev) bp->phy_addr = 1; /* Disable WOL support if we are running on a SERDES chip. */ - if (CHIP_NUM(bp) == CHIP_NUM_5709) { - if (CHIP_BOND_ID(bp) != BNX2_MISC_DUAL_MEDIA_CTRL_BOND_ID_C) - bp->phy_flags |= PHY_SERDES_FLAG; - } else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT) + if (CHIP_NUM(bp) == CHIP_NUM_5709) + bnx2_get_5709_media(bp); + else if (CHIP_BOND_ID(bp) & CHIP_BOND_ID_SERDES_BIT) bp->phy_flags |= PHY_SERDES_FLAG; if (bp->phy_flags & PHY_SERDES_FLAG) { |