>From: Geert Stappers <[EMAIL PROTECTED]>
>To: "Mohamoud musse" <[EMAIL PROTECTED]>
>CC: [EMAIL PROTECTED]
>Subject: Re: IQ80310: Accessing I82559ER registers via PCI
>Date: Mon, 19 Nov 2001 09:33:31 +0100
>
> >>>>knock knock
> >>>Who is it?
> >>Merry
> >Mary who?
>Merry Christmas
>
>Please reply below the text
>
>At 3:53 +0100 11/19/01, Mohamoud musse wrote:
> >>At 20:45 +0100 11/18/01, Mohamoud musse wrote:
> >> >Hello:
> >> >
> >> >I'm getting a master abort everytime I try to access the I82559ER
> >>registers.
> >> >I can access the config space of the ethernet device without problems.
> >>Could it be that the master abort is triggered by IRQ of the I82559?
> >>
> >> >
> >> >Any ideas would be appreciated.
> >>Disable Interrupt ReQuest from that chip.
> >>
> >Geert:
> >
> >I disabled the I82559ER interrupt but the problem remains the same.
> >
> >I suspect that my problem is due to the memory map that I'm using.
> >I configured the MCU such that DRAM starts at zero so that I get access
>to
> >the vector table. Because I could not flash the board with the FRU
>utility.
> >I'm not enabling the Direct address translation and I'm setting the
>SOMWVR
> >to 0x88000000.
> >The base address of I82559 is 0x88100000.
> >Note that the DRAM size is 2x32 Mb.
> >Flash0 is mapped to 0xa0000000
> >Flash1 is mapped to 0xFE800000
> >
> >The SATU is not responding to any read/write initiated by an internal bus
> >cycles. The SATUR got set 0x2000 (master abort bit). The SATISR has a
>value
> >of 0x00000008 (master abort).
> >
> >If you have an IQ80310 were you able to flash successfully with FRU?
>
>No, I don't.
>I'm familair with Motorola 68K systems.
>There is the highest interrupt non maskable and can be used as "abort"
>
> >
> >Thanks for your feedback.
>I'm doing my best
>
>
> >The SATU is not responding to any read/write initiated by an internal bus
> >cycles.
>Is the chip enabled?
Yes it is enabled at command register of it's config space.
>Does it work with other software?
Yes it does work with other software. Redboot monitor is able to initialize
it.
>
>Geert
>
>
_________________________________________________________________
Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp
_______________________________________________
http://lists.arm.linux.org.uk/mailman/listinfo/linux-arm
Please visit the above address for information on this list.
