/* SPDX-License-Identifier: GPL-2.0-only */ #include #include #include #include #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 AES-NI only if supported */ if (cpuid_ecx(1) & (1 << 25)) msr_set(MSR_FEATURE_CONFIG, BIT(0)); /* Lock TM interrupts - route thermal events to all processors */ msr_set(MSR_MISC_PWR_MGMT, BIT(22)); }