[ECOS] IXP425 not booting with rom image...

vijay.peshkar@wipro.com vijay.peshkar@wipro.com
Mon Jun 26 07:10:00 GMT 2006


Hi All,

Am using a regular ROM image and not redboot.
Guess this should not matter since anyway both use platform_setup.

Now am able to single step till the expansion bus.
After that, control gets lost and AXD closes.

As I understand, at that point execution should have continued
From icache. Is something wrong there?. Have checked that icache
Is enabled correctly. Can I check what instruction is being executed
From cache currently.

Stewart - any more pointers?.

Regards,
Vijay



------------------------
Vijay Kumar .P
Wipro Technologies,
Tel: 30295119
------------------------

-----Original Message-----
From: ecos-discuss-owner@ecos.sourceware.org
[mailto:ecos-discuss-owner@ecos.sourceware.org] On Behalf Of Stewart
Heitmann
Sent: Wednesday, June 21, 2006 6:38 AM
To: ecos-discuss@ecos.sourceware.org
Subject: Re: [ECOS] IXP425 not booting with rom image...

Hi Vijay,
I can successfully step though Redboot on an IXP425 using macraigor OCD
commander and a Wiggler jtag programmer.
I don't muck around with the vector table, I just start executing
Redboot from PC=0x0 (which is mapped to FLASH 0x5000_0000).
After about 100x program steps Redboot switches the SDRAM and FLASH and
everything proceeds just fine.
--
Stewart Heitmann


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