From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael Chan" Subject: [BNX2 2/4]: Fix 5709 Serdes detection. Date: Mon, 08 Jan 2007 15:56:31 -0800 Message-ID: <1168300591.4430.8.camel@rh4> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: Received: from mms2.broadcom.com ([216.31.210.18]:2843 "EHLO mms2.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161165AbXAHXJl (ORCPT ); Mon, 8 Jan 2007 18:09:41 -0500 To: davem@davemloft.net, netdev@vger.kernel.org Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org [BNX2]: Fix 5709 Serdes detection. 5709 has a new register to detect copper/fiber PHYs. Signed-off-by: Michael Chan diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 8d682fc..e325f93 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, st 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) {