From b2fadeae1334008c1bb4d87bc507141cb7aaf0e8 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Mon, 21 Jan 2008 17:07:06 -0800 Subject: [BNX2]: Add link-down workaround on 5706 serdes. In some blade systems using the 5706 serdes, the hardware sometimes does not properly generate link down interrupts. We add a workaround in the driver's timer to force a link-down when some PHY registers report loss of SYNC. The parallel detect logic is cleaned up slightly to better integrate the workaround. Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/bnx2.h | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'drivers/net/bnx2.h') diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h index c1ab30b0f87..31a030a6e2a 100644 --- a/drivers/net/bnx2.h +++ b/drivers/net/bnx2.h @@ -6344,6 +6344,15 @@ struct l2_fhdr { #define MII_BNX2_DSP_RW_PORT 0x15 #define MII_BNX2_DSP_ADDRESS 0x17 #define MII_BNX2_DSP_EXPAND_REG 0x0f00 +#define MII_EXPAND_REG1 (MII_BNX2_DSP_EXPAND_REG | 1) +#define MII_EXPAND_REG1_RUDI_C 0x20 +#define MII_EXPAND_SERDES_CTL (MII_BNX2_DSP_EXPAND_REG | 2) + +#define MII_BNX2_MISC_SHADOW 0x1c +#define MISC_SHDW_AN_DBG 0x6800 +#define MISC_SHDW_AN_DBG_NOSYNC 0x0002 +#define MISC_SHDW_MODE_CTL 0x7c00 +#define MISC_SHDW_MODE_CTL_SIG_DET 0x0010 #define MII_BNX2_BLK_ADDR 0x1f #define MII_BNX2_BLK_ADDR_IEEE0 0x0000 @@ -6643,6 +6652,7 @@ struct bnx2 { #define PHY_INT_MODE_LINK_READY_FLAG 0x200 #define PHY_DIS_EARLY_DAC_FLAG 0x400 #define REMOTE_PHY_CAP_FLAG 0x800 +#define PHY_FORCED_DOWN_FLAG 0x1000 u32 mii_bmcr; u32 mii_bmsr; -- cgit v1.2.3