Jasper Lake EDS Vol1


ID 633935
Date 01/01/2021
Public Content

A newer version of this document is available. Customers should click here to go to the newest version.

Document Table of Contents

Enabling the Timers

The BIOS or operating system PnP code should route the interrupts. This includes the Legacy Rout bit, Interrupt Rout bit (for each timer), and interrupt type (to select the edge or level type for each timer).

The Device Driver code should do the following for an available timer:

  1. Set the Overall Enable bit (Offset 10h, bit 0).
  2. Set the timer type field (selects one-shot or periodic).
  3. Set the interrupt enable.
  4. Set the comparator value.