finalize.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <types.h>
#include <cpu/x86/msr.h>
#include <cpu/intel/speedstep.h>
 
#include "model_2065x.h"
 
/* MSR Documentation based on
 * "Sandy Bridge Processor Family BIOS Writer's Guide (BWG)"
 * Document Number 504790
 * Revision 1.6.0, June 2012 */
 
void intel_model_2065x_finalize_smm(void)
{
        /* Lock C-State MSR */
        msr_set(MSR_PKG_CST_CONFIG_CONTROL, BIT(15));
 
        /* Lock TM interrupts - route thermal events to all processors */
        msr_set(MSR_MISC_PWR_MGMT, BIT(22));
}