[U-Boot-Users] [PATCH] MPC8245 vs XPC8245

[U-Boot-Users] [PATCH] MPC8245 vs XPC8245

[Marc Leeman]

-- 
ash nazg durbatul?k, ash nazg gimbatul,
ash nazg thrakatul?k agh burzum-ishi krimpatul
-------------- next part --------------
A non-text attachment was scrubbed...
Name: CHANGELOG.diff
Type: text/x-patch
Size: 525 bytes
Desc: not available
Url : http://lists.denx.de/pipermail/u-boot/attachments/20041105/719e02f7/attachment.bin 
-------------- next part --------------
A non-text attachment was scrubbed...
Name: cpu_init.c.diff
Type: text/x-patch
Size: 1302 bytes
Desc: not available
Url : http://lists.denx.de/pipermail/u-boot/attachments/20041105/719e02f7/attachment-0001.bin 

[U-Boot-Users] [PATCH] MPC8245 vs XPC8245

[Wolfgang Denk]

In message <1f729c48041105034162a8d5c9@mail.gmail.com> you wrote:
> >
> +* Patch by Marc Leeman, 05 Nov 2003:
> +  - enable all 4 PCMBRW buffers for the MPC8245 processor since it 
> +    only affects the XPC8245 processors

Please explain which problem you are trying to fix?

Best regards,

Wolfgang Denk

-- 
See us @ Embedded/Electronica Munich, Nov 09 - 12, Hall A.6 Booth 513
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
If it's working, the diagnostics say it's fine. If it's not  working,
the diagnostics  say  it's  fine.
              - A proposed addition to rules for realtime programming

Fwd: [U-Boot-Users] [PATCH] MPC8245 vs XPC8245

[Marc Leeman]

Sorry, this mail was not send to the mailing list.

---------- Forwarded message ----------


> Please explain which problem you are trying to fix?

Not trying, is fixed :)

It concerns DMA operations where an external device is reading memory
from the ppc.

The patch is already in your CVS since June (IIRC). Since then I
noticed that the bug only affects XPC8245 processors (from the type
numbers and the age of the boards, I would think they are old
(prototype) versions).

The newer processors do not have this bug anymore and I have disabled
this patch for 4 months now on our firmware: none of the newer
production processors seems to be affected.

I don't know if many ppl are still working with XPC versions of the
8245. This is the reason I put #if 0 #endif around the silicon work
around the code again. Feel free to suppress the code completely.



--
ash nazg durbatul?k, ash nazg gimbatul,
ash nazg thrakatul?k agh burzum-ishi krimpatul


-- 
ash nazg durbatul?k, ash nazg gimbatul,
ash nazg thrakatul?k agh burzum-ishi krimpatul

[U-Boot-Users] [PATCH] MPC8245 vs XPC8245

[Wolfgang Denk]

In message <1f729c48041105034162a8d5c9@mail.gmail.com> you wrote:
>
> * Patch by Marc Leeman, 05 Nov 2003:
>   - enable all 4 PCMBRW buffers for the MPC8245 processor since it=20
>     only affects the XPC8245 processors

Thanks, added.

Best regards,

Wolfgang Denk

-- 
Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
Horses just naturally have mohawk haircuts.