On 10/11/2013 11:56 AM, York Sun wrote: > 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 >
Scott, Are SPL and TPL boot methods immune from the size issue here? York _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
