Hi Dave, "Do you have a low reset pulse to PHY before pull up the RSTn?" Yes, I do.
>From: Liu Dave-r63238 <DaveLiu at freescale.com> >To: "'Guo Jaffe'" <jianfei616 at hotmail.com>, Fleming Andy-afleming <afleming at freescale.com> >CC: Linuxppc-embedded at ozlabs.org >Subject: RE: does Gianfar Ethernet Controller Version 1.1 support MARVELL 88E1111? >Date: Mon, 12 Jun 2006 12:46:15 +0800 > > > > > The PHY ID I read is MARVELL 88E1101(1410cc2) > > >The MDIO bus is working well, the 88E1101's ID is 1410c6x, >the 88E1111 is 1410ccx. > > > Today I took the MPC 8540 off the board, and checked the two > > GMII phy chips > > alone. I manually pulled up the phys's RST pins when the cable was in > > position. But the link LED still can't light up. So it turned > > out not the > > driver's problem. > > >Do you have a low reset pulse to PHY before pull up the RSTn? > > > The hardware configuration of 88E1111 is GMII to copper, Auto-Neg, > > advertise all capabilities, prefer Master. > > > > The PHY's power is correct and clean. And for interface > > between TESC and > > PHY I think even TESC power is set for 3.3V environment it > > still can work > > with the 88e1111 whose VDD is 2.5V. Because the datasheet of > > 88e1111 says > > that input pins are 3.3V tolerant. Am I right? > > >You are right. > >-Dave
