> > Joakim Tjernlund <joakim.tjernl...@transmode.se> wrote on 2010/11/19 14:15:33: > > > > After the removal of COLD/WARM start flags my mpc8321 > > board didn't boot anymore. > > Trial and error suggests that map/remap_flash_by_xxx needs > > to wait after updating LBLAWAR1 to make sure the the change has > > reached the HW before continuing with the code that depends on it. > > Final fix suggested by Scott Wood. > > > > Signed-off-by: Joakim Tjernlund <joakim.tjernl...@transmode.se> > > --- > > > > v2: Final adjustmenst based on inpt from Scott Wood. > > Guys, I can still crash my board when a add new code in start.S > It is remap_flash_by_law0 that is giving me a hard time. > I noticed that I could bring it down by adding a few nops after > a CS0 is written but before LAW0. I also noticed that it > always crash at a new cacheline. > > By swapping LAW0 with CS0 it became much better(crash yet). > I wonder if it is correct to configure CS0 then LAW0? > It seems like one must first adjust LAW0 then CS0 to > be sure it works as intended. > What do you think?
OOPS, trashing r3 before calling remap_flash_by_law0 is BAD. remap_flash_by_law0 should reload r3 with IMMR instead of relying on r3 pointing to IMMR. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
