Re: [PATCH 03/12] fs_enet: Add FEC TX Alignment workaround for MPC5121.

2009-05-07 Thread John Rigby
I was having deja-vu with this and realized that I have fixed at least some of the objections to this patch. Wolfgang you may want to look at the patch in my 5121 git tree here: http://git.denx.de/?p=linux-mpc512x.git;a=commit;h=2950be3be42af7449941c3340998c27ef918f10f It does runtime tx packet

[PATCH 03/12] fs_enet: Add FEC TX Alignment workaround for MPC5121.

2009-05-06 Thread Wolfgang Denk
From: John Rigby jri...@freescale.com The FEC on 5121 has problems with misaligned tx buffers. The RM says any alignment is ok but empirical results show that packet buffers ending in 0x1E will sometimes hang the FEC. Other bad alignment does not hang but will cause silent TX failures resulting

Re: [PATCH 03/12] fs_enet: Add FEC TX Alignment workaround for MPC5121.

2009-05-06 Thread Grant Likely
On Wed, May 6, 2009 at 2:15 PM, Wolfgang Denk w...@denx.de wrote: From: John Rigby jri...@freescale.com The FEC on 5121 has problems with misaligned tx buffers. The RM says any alignment is ok but empirical results show that packet buffers ending in 0x1E will sometimes hang the FEC.  Other

Re: [PATCH 03/12] fs_enet: Add FEC TX Alignment workaround for MPC5121.

2009-05-06 Thread Wolfgang Denk
Dear Grant Likely, In message fa686aa40905061337w6aa82f5aj787618ba108e5...@mail.gmail.com you wrote: The FEC on 5121 has problems with misaligned tx buffers. The RM says any alignment is ok but empirical results show that packet buffers ending in 0x1E will sometimes hang the FEC. Other

Re: [PATCH 03/12] fs_enet: Add FEC TX Alignment workaround for MPC5121.

2009-05-06 Thread Grant Likely
On Wed, May 6, 2009 at 4:12 PM, Wolfgang Denk w...@denx.de wrote: Dear Grant Likely, In message fa686aa40905061337w6aa82f5aj787618ba108e5...@mail.gmail.com you wrote: The FEC on 5121 has problems with misaligned tx buffers. The RM says any alignment is ok but empirical results show