> -----Original Message----- > From: Andrew Lunn [mailto:and...@lunn.ch] > Sent: Monday, January 09, 2017 6:56 PM > To: Kwok, WingMan > Cc: Karicheri, Muralidharan; netdev@vger.kernel.org > Subject: Re: Marvell Phy (1510) issue since v4.7 kernel > > > But when kernel is reboot into u-boot, "mii read 0 0" shows > > 0x1000, ie. bit 11 is 0, and still the phy auto-nego times out. > > O.K, not so simple then. > > I suggest you dump all the registers, in both the good and bad state, > and see how they differ. > > Andrew
From Marvell's brief description http://www.marvell.com/transceivers/alaska-gbe/, it seems that 88E1510/1518 don't support fiber. Only 88E1512 does. In that case, the fiber support patch is not applicable to 88E1510/1518. I investigate a little more of the u-boot auto-nego time out problem after reboot and found that the problem is caused by marvell_read_status() which leaves the fiber page out because the phydev->link is TRUE. But if fiber is not applicable to 88E1510/1518, this is an invalid check. Any suggestion? WingMan
