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-rw-r--r--src/cpu/intel/model_206ax/Kconfig5
-rw-r--r--src/cpu/intel/model_206ax/Makefile.inc1
-rw-r--r--src/cpu/intel/model_206ax/model_206ax_init.c55
3 files changed, 5 insertions, 56 deletions
diff --git a/src/cpu/intel/model_206ax/Kconfig b/src/cpu/intel/model_206ax/Kconfig
index b954b79c61..6c04fba829 100644
--- a/src/cpu/intel/model_206ax/Kconfig
+++ b/src/cpu/intel/model_206ax/Kconfig
@@ -20,6 +20,7 @@ config CPU_SPECIFIC_OPTIONS
#select AP_IN_SIPI_WAIT
select TSC_SYNC_MFENCE
select LAPIC_MONOTONIC_TIMER
+ select CPU_INTEL_COMMON
config BOOTBLOCK_CPU_INIT
string
@@ -33,8 +34,4 @@ config SMM_TSEG_SIZE
hex
default 0x800000
-config ENABLE_VMX
- bool "Enable VMX for virtualization"
- default n
-
endif
diff --git a/src/cpu/intel/model_206ax/Makefile.inc b/src/cpu/intel/model_206ax/Makefile.inc
index 25f07425dd..b79ccd71ff 100644
--- a/src/cpu/intel/model_206ax/Makefile.inc
+++ b/src/cpu/intel/model_206ax/Makefile.inc
@@ -1,6 +1,7 @@
ramstage-y += model_206ax_init.c
subdirs-y += ../../x86/name
subdirs-y += ../smm/gen1
+subdirs-y += ../common
ramstage-y += acpi.c
diff --git a/src/cpu/intel/model_206ax/model_206ax_init.c b/src/cpu/intel/model_206ax/model_206ax_init.c
index e7bfd9e298..af712d0db5 100644
--- a/src/cpu/intel/model_206ax/model_206ax_init.c
+++ b/src/cpu/intel/model_206ax/model_206ax_init.c
@@ -32,6 +32,7 @@
#include "model_206ax.h"
#include "chip.h"
#include <cpu/intel/smm/gen1/smi.h>
+#include <cpu/intel/common/common.h>
/*
* List of supported C-states in this processor
@@ -110,56 +111,6 @@ static acpi_cstate_t cstate_map[] = {
{ 0 }
};
-static void enable_vmx(void)
-{
- struct cpuid_result regs;
- msr_t msr;
- int enable = CONFIG_ENABLE_VMX;
-
- regs = cpuid(1);
- /* Check that the VMX is supported before reading or writing the MSR. */
- if (!((regs.ecx & CPUID_VMX) || (regs.ecx & CPUID_SMX)))
- return;
-
- msr = rdmsr(IA32_FEATURE_CONTROL);
-
- if (msr.lo & (1 << 0)) {
- printk(BIOS_ERR, "VMX is locked, so %s will do nothing\n", __func__);
- /* VMX locked. If we set it again we get an illegal
- * instruction
- */
- return;
- }
-
- /* The IA32_FEATURE_CONTROL MSR may initialize with random values.
- * It must be cleared regardless of VMX config setting.
- */
- msr.hi = msr.lo = 0;
-
- printk(BIOS_DEBUG, "%s VMX\n", enable ? "Enabling" : "Disabling");
-
- /* Even though the Intel manual says you must set the lock bit in addition
- * to the VMX bit in order for VMX to work, it is incorrect. Thus we leave
- * it unlocked for the OS to manage things itself. This is good for a few
- * reasons:
- * - No need to reflash the bios just to toggle the lock bit.
- * - The VMX bits really really should match each other across cores, so
- * hard locking it on one while another has the opposite setting can
- * easily lead to crashes as code using VMX migrates between them.
- * - Vendors that want to "upsell" from a bios that disables+locks to
- * one that doesn't is sleazy.
- * By leaving this to the OS (e.g. Linux), people can do exactly what they
- * want on the fly, and do it correctly (e.g. across multiple cores).
- */
- if (enable) {
- msr.lo |= (1 << 2);
- if (regs.ecx & CPUID_SMX)
- msr.lo |= (1 << 1);
- }
-
- wrmsr(IA32_FEATURE_CONTROL, msr);
-}
-
/* Convert time in seconds to POWER_LIMIT_1_TIME MSR value */
static const u8 power_limit_time_sec_to_msr[] = {
[0] = 0x00,
@@ -576,8 +527,8 @@ static void model_206ax_init(struct device *cpu)
enable_lapic_tpr();
setup_lapic();
- /* Enable virtualization if enabled in CMOS */
- enable_vmx();
+ /* Set virtualization based on Kconfig option */
+ set_vmx();
/* Configure C States */
configure_c_states();