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net: uec_phy: handle 88e1111 rev.B2 erratum 5.6 

erratum 5.6 states the autoneg completion bit is functional only if the
autoneg bit is asserted.

This fixes any secondarily-issued networking commands on non-gigabit
links on the mpc8360 mds board.

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
This commit is contained in:
Kim Phillips 2008-02-27 15:06:39 -06:00 committed by Wolfgang Denk
parent 093e14c522
commit f655adef65
1 changed files with 8 additions and 0 deletions
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8
drivers/qe/uec_phy.c
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@ -574,6 +574,7 @@ void marvell_phy_interface_mode (struct eth_device *dev,
{
uec_private_t *uec = (uec_private_t *) dev->priv;
struct uec_mii_info *mii_info;
u16 status;
if (!uec->mii_info) {
printf ("%s: the PHY not intialized\n", __FUNCTION__);
@ -609,6 +610,13 @@ void marvell_phy_interface_mode (struct eth_device *dev,
phy_write (mii_info, 0x00, 0x8100);
udelay (1000000);
}
/* handle 88e1111 rev.B2 erratum 5.6 */
if (mii_info->autoneg) {
status = phy_read (mii_info, PHY_BMCR);
phy_write (mii_info, PHY_BMCR, status | PHY_BMCR_AUTON);
}
/* now the B2 will correctly report autoneg completion status */
}
void change_phy_interface_mode (struct eth_device *dev, enet_interface_e mode)