Timur Tabi <ti...@freescale.com> wrote on 10/09/2009 15:29:35: > > Joakim Tjernlund wrote: > > >> A while back, someone posted a version of this code that computed the > >> values > >> of fdr/dfsr. I nack'd that patch because I thought the algorithm was too > > > > Not so sure about that, but I haven't tried to calc it generally. > > A quick way to check this is to figure out which dfsr/fdr values the i2c code > uses, and then modify that entry in the table with a different pair. You'd > have to manually calculate the correct value of fdr for the given dfsr. > > > Yes, and a way to #define wanted DFSR. From there one can select > > one of the 4 tables listed in AN2919. The sum of tabels will be rather big > > though > > so I suspect it will less code to calculate the FDR/DFSR. > > In this case, you're right. But so far, you're the only person who's > complained to me that the current code doesn't work, and you already admitted > that your board is broken, so I don't really see the need to change the code.
Looking a bit harder at the table I don't understand some entries, where does the entries with dfsr != 1 come from? They don't look like any table in AN2919 Jocke _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
