src/cpu/intel/model_2065x/finalize.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <types.h>
   4 #include <cpu/x86/msr.h>
   5 #include <cpu/intel/speedstep.h>
   6
   7 #include "model_2065x.h"
   8
   9 /* MSR Documentation based on
  10  * "Sandy Bridge Processor Family BIOS Writer's Guide (BWG)"
  11  * Document Number 504790
  12  * Revision 1.6.0, June 2012 */
  13
  14 void intel_model_2065x_finalize_smm(void)
  15 {
  16         /* Lock C-State MSR */
  17         msr_set(MSR_PKG_CST_CONFIG_CONTROL, BIT(15));
  18
  19         /* Lock TM interrupts - route thermal events to all processors */
  20         msr_set(MSR_MISC_PWR_MGMT, BIT(22));
  21 }