From: Mike Wellington <wellington@lucent.com>
To: Peter Ryser <Peter.Ryser@xilinx.com>
Cc: linuxppc-embedded@lists.linuxppc.org
Subject: Re: ppc4xx_find_bridges( ) hangs kernel on Xilinx ML300 (PCI)
Date: Mon, 19 Apr 2004 14:54:18 -0600 [thread overview]
Message-ID: <40843C7A.10604@lucent.com> (raw)
In-Reply-To: <40843B02.6080907@xilinx.com>
Awesome! You Rock!
-mikew
Peter Ryser wrote:
> The PCI support that is currently included in the Linux kernel tree is
> for the V2PDK based OPB -> PCI bridge. It will not work with the EDK
> based OPB -> PCI bridge, i.e. you will find exactly what you see.
>
> Please download the EDK reference design for ML300 from
> http://www.xilinx.com/ise/embedded/edk_examples.htm (design #6). The
> design contains the V2PDK based bridge (including the pcore therefor)
> and, thus, the Linux kernel will work fine with that design.
>
> We are currently working on moving to the EDK based bridge and the Linux
> kernel tree will be patched once this work is completed.
>
> - Peter
>
>
> Mike Wellington wrote:
>
>>
>> Hi-
>> I am trying to port the Xilinx PCI code to
>> an embedded linux kernel. The code calls
>> ppc4xx_find_bridges( ) during the kernel initialization
>> and hangs the kernel.
>>
>> I built the GPL 2.4 kernel from the Open Source
>> archives and it hangs also.
>>
>> Then I copied ppc405_pci.c from the GPL source
>> to my kernel tree and copied head_4xx.S from the
>> GPL source to my kernel tree and it still
>> hangs.
>>
>> I'm starting to wonder if there is something
>> wrong with the PCI support for the Xilinx OCP PCI
>> core.
>>
>> Does anybody have a working PCI device on a
>> Xilinx Virtex-II Pro using the Xilinx-supplied
>> PCI core?
>>
>> -mike wellington
>> wellington@lucent.com
>> anyplatform@bithead.com
>>
>>
>>
>>
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2004-04-19 20:54 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-01 14:32 PREEMPT problems Colin LEROY
2004-04-02 0:29 ` Benjamin Herrenschmidt
2004-04-02 0:56 ` Benjamin Herrenschmidt
2004-04-02 16:00 ` Michel Dänzer
2004-04-02 16:43 ` Michel Dänzer
2004-04-03 3:06 ` Benjamin Herrenschmidt
2004-04-03 12:56 ` Michel Dänzer
2004-04-04 2:20 ` Benjamin Herrenschmidt
2004-04-06 0:51 ` Benjamin Herrenschmidt
2004-04-06 23:28 ` Michel Dänzer
2004-04-06 23:33 ` Benjamin Herrenschmidt
2004-04-02 9:57 ` Wolfram Quester
2004-04-19 14:26 ` ppc4xx_find_bridges( ) hangs kernel on Xilinx ML300 (PCI) Mike Wellington
2004-04-19 19:48 ` Mike Wellington
2004-04-19 20:48 ` Peter Ryser
2004-04-19 20:54 ` Mike Wellington [this message]
2004-04-19 20:58 ` PCI - i *thought* the edk2 was what I was using! Mike Wellington
2004-04-19 22:05 ` Peter Ryser
2004-04-19 22:13 ` did you give me the right ml300_edk*.zip link? Mike Wellington
-- strict thread matches above, loose matches on Subject: below --
2004-04-19 20:55 ppc4xx_find_bridges( ) hangs kernel on Xilinx ML300 (PCI)] Mike Wellington
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