On Tuesday 14 July 2009 14:31:50 Eibach, Dirk wrote: > > > Hmm, not sure yet what causes the problem here, but this changes in > > > cpu/ppc4xx/start.S look fishy... > > I found that the old code does not clear TLB entry #0. > So this helps in my case:
Yes, I already generated exactly this patch here as well. :) > diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S > index ac96fc2..7be73a7 100644 > --- a/cpu/ppc4xx/start.S > +++ b/cpu/ppc4xx/start.S > @@ -452,7 +452,7 @@ skip_debug_init: > addis r0,0,0x0000 > li r1,0x003f /* 64 TLB entries */ > mtctr r1 > - li r4,0 /* Start with TLB #0 */ > + li r4,1 /* Start with TLB #1 */ > rsttlb: > #ifdef CONFIG_SYS_RAMBOOT > tlbre r3,r4,0 /* Read contents from TLB word #0 to get > EPN */ > > But I am not sure if it's also correct for the RAMBOOT case. What's your > opinion, Stefan? Unfortunately, RAM-booting on Sequoia doesn't work in all cases (started via BDI) on Sequoia with this patch. I'm still investigating... Best regards, Stefan ===================================================================== DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-0 Fax: +49-8142-66989-80 Email: off...@denx.de ===================================================================== _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot