From: Michael Chan Date: Tue, 9 Jan 2007 03:56:01 +0000 (-0800) Subject: [BNX2]: Fix 5709 Serdes detection. X-Git-Tag: v2.6.20-rc5~33^2~5 X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=253c8b75546c5f21d5321d691df92c1e84d9b0fb;p=linux-2.6-omap-h63xx.git [BNX2]: Fix 5709 Serdes detection. 5709 has a new register to detect copper/fiber PHYs. Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 8d682fc3760..e325f933722 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) {