X-Git-Url: http://wien.tomnetworks.com/gitweb/?p=coreboot.git;a=blobdiff_plain;f=src%2Fcpu%2Fintel%2Fmodel_206ax%2Ffinalize.c;fp=src%2Fcpu%2Fintel%2Fmodel_206ax%2Ffinalize.c;h=9de94c4948265b6bec2db4a1991b909f5f89629b;hp=0000000000000000000000000000000000000000;hb=5c55463f500528b69c47a06da22339fa85d70b7e;hpb=00636b0daefc3c499990744226a0e1a316d71731 diff --git a/src/cpu/intel/model_206ax/finalize.c b/src/cpu/intel/model_206ax/finalize.c new file mode 100644 index 000000000..9de94c494 --- /dev/null +++ b/src/cpu/intel/model_206ax/finalize.c @@ -0,0 +1,60 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 The Chromium OS Authors. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include "model_206ax.h" + +static void msr_set_bit(unsigned reg, unsigned bit) +{ + msr_t msr = rdmsr(reg); + + if (bit < 32) { + if (msr.lo & (1 << bit)) + return; + msr.lo |= 1 << bit; + } else { + if (msr.hi & (1 << (bit - 32))) + return; + msr.hi |= 1 << (bit - 32); + } + + wrmsr(reg, msr); +} + +void intel_model_206ax_finalize_smm(void) +{ + msr_set_bit(IA32_FEATURE_CONTROL, 0); + msr_set_bit(MSR_PMG_CST_CONFIG_CONTROL, 15); + + /* Lock AES-NI only if supported */ + if (cpuid_ecx(1) & (1 << 25)) + msr_set_bit(MSR_FEATURE_CONFIG, 0); + + msr_set_bit(MSR_PP0_CURRENT_CONFIG, 31); + msr_set_bit(MSR_PP1_CURRENT_CONFIG, 31); + msr_set_bit(MSR_PKG_POWER_LIMIT, 63); + msr_set_bit(MSR_PP0_POWER_LIMIT, 31); + msr_set_bit(MSR_PP1_POWER_LIMIT, 31); + msr_set_bit(MSR_MISC_PWR_MGMT, 22); + msr_set_bit(MSR_LT_LOCK_MEMORY, 0); +}