hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

[PATCH] sky2: gigabit full duplex negotiation 

Look at the registers correctly, when doing gigabit full duplex.
Need to look for link partner result.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Stephen Hemminger 2006-09-26 11:57:37 -07:00 committed by Jeff Garzik
parent 0ba8821b12
commit e0ed545903
1 changed files with 20 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
drivers/net/sky2.c
View File

@ -1624,22 +1624,33 @@ static int sky2_autoneg_done(struct sky2_port *sky2, u16 aux)
return -1;
}
if (hw->chip_id != CHIP_ID_YUKON_FE &&
gm_phy_read(hw, port, PHY_MARV_1000T_STAT) & PHY_B_1000S_MSF) {
printk(KERN_ERR PFX "%s: master/slave fault",
sky2->netdev->name);
return -1;
}
if (!(aux & PHY_M_PS_SPDUP_RES)) {
printk(KERN_ERR PFX "%s: speed/duplex mismatch",
sky2->netdev->name);
return -1;
}
sky2->duplex = (aux & PHY_M_PS_FULL_DUP) ? DUPLEX_FULL : DUPLEX_HALF;
sky2->speed = sky2_phy_speed(hw, aux);
if (sky2->speed == SPEED_1000) {
u16 ctl2 = gm_phy_read(hw, port, PHY_MARV_1000T_CTRL);
u16 lpa2 = gm_phy_read(hw, port, PHY_MARV_1000T_STAT);
if (lpa2 & PHY_B_1000S_MSF) {
printk(KERN_ERR PFX "%s: master/slave fault",
sky2->netdev->name);
return -1;
}
if ((ctl2 & PHY_M_1000C_AFD) && (lpa2 & PHY_B_1000S_LP_FD))
sky2->duplex = DUPLEX_FULL;
else
sky2->duplex = DUPLEX_HALF;
} else {
u16 adv = gm_phy_read(hw, port, PHY_MARV_AUNE_ADV);
if ((aux & adv) & PHY_AN_FULL)
sky2->duplex = DUPLEX_FULL;
else
sky2->duplex = DUPLEX_HALF;
}
/* Pause bits are offset (9..8) */
if (hw->chip_id == CHIP_ID_YUKON_XL || hw->chip_id == CHIP_ID_YUKON_EC_U)