That was something I also noticed; I can't say for sure (Since I haven't yet checked) but I feel like I may have done something incorrect when wiring the FRT (The timer) to the secondary, smp-enabled SH2.
The BogoMIPS value is derived from a calibration that Linux does against the timer of choice so it could very well be a reason why.
The BogoMIPS value is derived from a calibration that Linux does against the timer of choice so it could very well be a reason why.