Re: [U-Boot] MPC5200B: Trouble with config pins

2008-11-26 Thread Wolfram Sang
On Fri, Nov 21, 2008 at 08:09:20AM -0700, Grant Likely wrote: > Juergen, I haven't seen this behaviour. Have you asked you Freescale FAE? > > Hey John, have you ever seen this sort of issue? To keep you updated: It was the PHY which would drive the lines high if the reset signal was "too long"

Re: [U-Boot] MPC5200B: Trouble with config pins

2008-11-21 Thread Juergen Beisert
Hi Andre, On Freitag, 21. November 2008, Andre Schwarz wrote: > Have a look at the manual chapter 4 (=Reset + Config). > SRESET (issued by gpt0 - watchdog) isn't supposed to do a full hardware > reset. > Looks like you should make use of the SRESET and trigger HRESET > accordingly. > > I could sol

Re: [U-Boot] MPC5200B: Trouble with config pins

2008-11-21 Thread Andre Schwarz
Jürgen, Have a look at the manual chapter 4 (=Reset + Config). SRESET (issued by gpt0 - watchdog) isn't supposed to do a full hardware reset. Looks like you should make use of the SRESET and trigger HRESET accordingly. I could solve this with _not_ using the internal watchdog but an external on

Re: [U-Boot] MPC5200B: Trouble with config pins

2008-11-21 Thread Juergen Beisert
Hi Grant, On Freitag, 21. November 2008, Grant Likely wrote: > Juergen, I haven't seen this behaviour. Have you asked you Freescale FAE? Yes. But no answer yet. Thats why I ask here. Regards, Juergen -- Dipl.-Ing. Juergen Beisert | http://www.pengutronix.de  Pengutronix - Linux Solutions for

Re: [U-Boot] MPC5200B: Trouble with config pins

2008-11-21 Thread Grant Likely
Juergen, I haven't seen this behaviour. Have you asked you Freescale FAE? Hey John, have you ever seen this sort of issue? g. On Fri, Nov 21, 2008 at 5:36 AM, Juergen Beisert <[EMAIL PROTECTED]> wrote: > Hi all, > > we have trouble with the eth based config pins (ETH0...ETH6) of the MPC5200B >

[U-Boot] MPC5200B: Trouble with config pins

2008-11-21 Thread Juergen Beisert
Hi all, we have trouble with the eth based config pins (ETH0...ETH6) of the MPC5200B CPU. These pins act as the interface to an external phy and also act as configurations pins to configure the size of the flash and other things. While the reset is active these pins should be in their high impe