From: "Allen Curtis" <acurtis@onz.com>
To: "Dominique Letty" <dletty@interfaceconcept.com>,
<linuxppc-embedded@lists.linuxppc.org>
Subject: RE: Problem with MPC8260 buffer descriptor
Date: Wed, 16 Oct 2002 08:15:21 -0700 [thread overview]
Message-ID: <NCBBIINEHIPFGJPLBEIFKEICDNAA.acurtis@onz.com> (raw)
In-Reply-To: <00c101c27524$3492bee0$3501a8c0@none>
> Now I try to port this driver under Linux 2.4.17 Kernel for a MPC8260. I
> have allocated
> Buffer Descriptors in DPRAM and Data Buffers in SDRAM. When I try
> to send a
> buffer, I fill
> a data buffer and the first BD registers, I think, with the
> correct values.
> It doesn't work
> anytimes. When the buffer is transmited, the sending data are correct. The
> problem seems to
> come from the CPM which can't access to the BD modifications in the DPRAM.
>
> Does anyone have already meet these problems?
Would it be a problem to post your:
1. GSMRH & GSRM_L initialization
2. SCC Parameter RAM configuration
3. Location of your BDs in DPRAM
THX
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2002-10-16 15:15 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-16 14:56 Problem with MPC8260 buffer descriptor Dominique Letty
2002-10-16 15:15 ` Allen Curtis [this message]
2002-10-17 7:56 ` John Nikiforos
2002-10-17 12:36 ` Dominique Letty
2002-10-17 13:50 ` John Nikiforos
2002-10-17 14:30 ` Allen Curtis
2002-10-17 16:54 ` Dominique Letty
2002-10-17 17:08 ` Dominique Letty
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