Never mind, I answered my own question. Sorry for the noise. Bruce
[EMAIL PROTECTED] wrote on 02/23/2007 05:20:14 PM: > I know this isn't the right forum for this but I can't seem to find a > generic PPC mailing list. > > I'm trying to get a global timer going on an MPC834x, and the way I learn > is to just play with HW, so I've got an Abatron BDI2K hooked up to my > processor so I can just manipulate registers without having to deal with > writing code. However, I seem to be unable to modify certain registers in > the global timers with this set up and I don't understand why. > Specifically, if a register has a bit that's a '1' following a reset, I > can't change that bit to a '0'. This is happening with the Global Timers > Reference Registers (GTRFR1 - 4) and the Global Timers Prescale Registers > (GTPSR1 - 4). The reset state of the GTRFRs is 0xFFFF and I can't change > it to any other value. The reset state of the GTPSRs is 0x3 and I can't > clear the 2 LSB. I can change any other bits in the prescale registers, > but not the two which are a '1' at reset. > > Has anyone else seen this behavior? > > Bruce > _______________________________________________ > Linuxppc-embedded mailing list > [email protected] > https://ozlabs.org/mailman/listinfo/linuxppc-embedded _______________________________________________ Linuxppc-embedded mailing list [email protected] https://ozlabs.org/mailman/listinfo/linuxppc-embedded
