From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Leon Woestenberg <leon.woestenberg@gmail.com>
Cc: linux-pci@vger.kernel.org, linuxppc-dev@ozlabs.org
Subject: Re: AMCC PPC460EX Canyonlands does not see PCIe end point with only non-prefetchable memory (both 2.6.27.7 and -next)
Date: Mon, 01 Dec 2008 19:11:32 +1100 [thread overview]
Message-ID: <1228119092.7356.117.camel@pasglop> (raw)
In-Reply-To: <c384c5ea0811280254y428299a4yd92c1c244bd2482@mail.gmail.com>
On Fri, 2008-11-28 at 11:54 +0100, Leon Woestenberg wrote:
>
> I found out that re-programming the end point FPGA again *just* after
> *uboot* read it, and before Linux kernel has started, makes the end
> point appear properly.
>
> Either u-boot leaves the end point in bad state, or the root complex
> reset also requires an end point reset. (or a third option I could not
> think of yet).
I think you are getting a reset yes, maybe your FPGA loses its
programming or something similar ?
> I'll pick this up on ppc and u-boot mailing list with new info,
> especially with the ppc4xx maintainers.
>
CC me,
Ben.
prev parent reply other threads:[~2008-12-01 8:11 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-26 14:32 AMCC PPC460EX Canyonlands does not see PCIe end point with only non-prefetchable memory (both 2.6.27.7 and -next) Leon Woestenberg
2008-11-26 15:25 ` Leon Woestenberg
2008-11-26 18:26 ` Leon Woestenberg
2008-11-28 10:54 ` Leon Woestenberg
2008-12-01 8:11 ` Benjamin Herrenschmidt [this message]
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