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[BNX2]: Fix 5706 serdes link down bug. 

1. Correct the MII expansion serdes control register definition.
2. Check an additional RUDI_INVALID bit when determining 5706S link.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2008-01-29 21:33:03 -08:00 committed by David S. Miller
parent b6c0632105
commit f3014c0cb6
2 changed files with 3 additions and 2 deletions
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2
drivers/net/bnx2.c
View File

@ -5315,7 +5315,7 @@ bnx2_5706_serdes_has_link(struct bnx2 *bp)
bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
if (an_dbg & MISC_SHDW_AN_DBG_NOSYNC)
if (an_dbg & (MISC_SHDW_AN_DBG_NOSYNC | MISC_SHDW_AN_DBG_RUDI_INVALID))
return 0;
bnx2_write_phy(bp, MII_BNX2_DSP_ADDRESS, MII_EXPAND_REG1);

3
drivers/net/bnx2.h
View File

@ -6346,11 +6346,12 @@ struct l2_fhdr {
#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_EXPAND_SERDES_CTL (MII_BNX2_DSP_EXPAND_REG | 3)
#define MII_BNX2_MISC_SHADOW 0x1c
#define MISC_SHDW_AN_DBG 0x6800
#define MISC_SHDW_AN_DBG_NOSYNC 0x0002
#define MISC_SHDW_AN_DBG_RUDI_INVALID 0x0100
#define MISC_SHDW_MODE_CTL 0x7c00
#define MISC_SHDW_MODE_CTL_SIG_DET 0x0010