[U-Boot] powerpc/mpc85xx: Increase image size

[York Sun]

On 10/11/2013 11:39 AM, Scott Wood wrote:
> On Fri, 2013-10-11 at 11:29 -0700, York Sun wrote:
>> Scott, et al.
>>
>> I'd like to start the discussion to increase u-boot image size for some
>> mpc85xx targets. As we all know the reset vector is at the very end and
>> linking process start from the top. This gives us no good choice but to
>> use fixed image size. While we have more and more features, the size
>> increases inevitably. It's time to adjust the arbitrary size. We are now
>> using 512KB. Shall we go with 768KB, or even 1MB?
> 
> 768K would affect fewer existing partition maps (many of which leave 1M
> for U-Boot and environment combined), but 1M might be better for new
> boards.  And of course it would be nice if someone could spare some time
> to try to slim things down (finer-grained compile-time config,
> speed/size tradeoffs, etc).
> 
>> For the first step, I think we don't have to increase size for all
>> targets. We can adjust those with CONFIG_SYS_TEXT_BASE=0xeff80000. Those
>> are the most recent used. There are other targets which don't use NOR
>> flash boot method. They should be considered as well.
>>
>> It is per board configuration. But it may be better if we keep them
>> consistent.
> 
> I don't think it's worth trying to keep them consistent.  Leave alone
> old boards that are not pushing the limit, and where testing and user
> education would be a hassle, and let newer boards where more features
> are wanted not be constrained by the past.
> 

I did a quick search for eff80000. Only these boards have it

include/configs/B4860QDS.h
include/configs/C29XPCIE.h
include/configs/corenet_ds.h
include/configs/HWW1U1A.h
include/configs/MPC8536DS.h
include/configs/MPC8572DS.h
include/configs/P1010RDB.h
include/configs/P1022DS.h
include/configs/P1023RDB.h
include/configs/P1023RDS.h
include/configs/P1_P2_RDB.h
include/configs/p1_p2_rdb_pc.h
include/configs/p1_twr.h
include/configs/P2020DS.h
include/configs/P2041RDB.h
include/configs/T1040QDS.h
include/configs/t4qds.h

York