The TSC_enable initialize the 32 bit registers - TSCL & TSCH. They are used only on DSP.
Regards, Anand -----Original Message----- From: Steve Chen [mailto:sc...@mvista.com] Sent: Monday, April 20, 2009 5:22 PM To: Balagopalakrishnan, Anand Cc: Griffis, Brad; Joshi, Prasad; davinci-linux-open-source@linux.davincidsp.com Subject: RE: DSP Cycles measurement on DM6467 On Mon, 2009-04-20 at 11:08 +0530, Balagopalakrishnan, Anand wrote: > Before accessing the TSC registers, you need to enable them by > calling: > TSC_enable(); Which timer does TSC_enable initialize? Would that interfere with ARM or we don't really care about ARM for this test? > > To get the DSP cycles, the best option is to use TSC_read(). This > returns a 64 bit unsigned int containing the value of both TSCH and > TSCL registers. > > Regards, > Anand > _______________________________________________ Davinci-linux-open-source mailing list Davinci-linux-open-source@linux.davincidsp.com http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
