Hi Wolfgang, On 25/05/11 21:32, Wolfgang Denk wrote: > Dear Graeme Russ, > > In message <4ddcbd3d.4080...@gmail.com> you wrote: >> >>> I see two options: >>> >>> 1) either we can have some signal when the timer wrapes around (like >>> an interrupt); in this case it does not matter how big the counter >>> itself is, we just increment our own local 64 bit timestamp. >>> >>> 2) Alternatively, I could imagine we use a 64 bit container plus a >>> mask which specifiec how many bits are actually used - then we can >>> accommodate counters with any numbers of valid bits. >>> >> >> 3) Keep calling get_timer() (which you do when checking protocol time-outs) >> - This keeps kicking the prescaler > > We cannot guarantee for this, so this is not really an option. >
You can when you are waiting for a timeout Regards, Graeme _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
