On Tue, 2009-09-15 at 11:32 -0400, Josh Boyer wrote: > On Tue, Sep 15, 2009 at 10:31:36AM -0400, Paul Gortmaker wrote: > >One of the guys here was getting a messed up console on a bamboo board > >(on linux boot), which he traced to the fact that the default dts has a > >9600 baudrate coded into it (board was running 115k2, not 9600). Either > >deleting the line, or replacing the 9600 with zero fixed the problem. > > Once booted, was there a valid current-speed property in /proc/device-tree > for the serial node? I'm curious if U-Boot created it, or if the kernel > just used whatever baud was present already. > > When I did the bamboo port a while ago, I recall having issues with either > a missing clock-frequency or current-speed (or both perhaps) and the > bootloader > on the board was the original PIBS. It might have been an issue with PIBS > but I'm guessing the rest of the 4xx boards copied from either Ebony or > Bamboo in their ports and hence contain that property.
I think I recently added code to legacy_serial probe the speed from the HW if the property is absent, which should help. Cheers, Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
