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bnx2: Enable auto-mdix when autoneg is disabled.

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Auto-mdix currently only works if autoneg is enabled.  This patch enables
auto-mdix all the time by setting a bit in a PHY register.  Define
meaningful constants for this PHY registers.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2013-12-31 23:22:33 -08:00 committed by David S. Miller
parent d17e53bdcd
commit 41033b65b9
2 changed files with 15 additions and 3 deletions
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12
drivers/net/ethernet/broadcom/bnx2.c
View File

@ -2343,9 +2343,15 @@ bnx2_init_copper_phy(struct bnx2 *bp, int reset_phy)
}
/* ethernet@wirespeed */
bnx2_write_phy(bp, 0x18, 0x7007);
bnx2_read_phy(bp, 0x18, &val);
bnx2_write_phy(bp, 0x18, val | (1 << 15) | (1 << 4));
bnx2_write_phy(bp, MII_BNX2_AUX_CTL, AUX_CTL_MISC_CTL);
bnx2_read_phy(bp, MII_BNX2_AUX_CTL, &val);
val |= AUX_CTL_MISC_CTL_WR | AUX_CTL_MISC_CTL_WIRESPEED;
/* auto-mdix */
if (BNX2_CHIP(bp) == BNX2_CHIP_5709)
val |= AUX_CTL_MISC_CTL_AUTOMDIX;
bnx2_write_phy(bp, MII_BNX2_AUX_CTL, val);
return 0;
}

6
drivers/net/ethernet/broadcom/bnx2.h
View File

@ -6471,6 +6471,12 @@ struct l2_fhdr {
#define BCM5708S_TX_ACTL3 0x17
#define MII_BNX2_AUX_CTL 0x18
#define AUX_CTL_MISC_CTL 0x7007
#define AUX_CTL_MISC_CTL_WIRESPEED (1 << 4)
#define AUX_CTL_MISC_CTL_AUTOMDIX (1 << 9)
#define AUX_CTL_MISC_CTL_WR (1 << 15)
#define MII_BNX2_DSP_RW_PORT 0x15
#define MII_BNX2_DSP_ADDRESS 0x17
#define MII_BNX2_DSP_EXPAND_REG 0x0f00