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Diffstat (limited to 'src/soc/intel/apollolake/cpu.c')
-rw-r--r--src/soc/intel/apollolake/cpu.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/soc/intel/apollolake/cpu.c b/src/soc/intel/apollolake/cpu.c
index 916d7c5cf4..949736821e 100644
--- a/src/soc/intel/apollolake/cpu.c
+++ b/src/soc/intel/apollolake/cpu.c
@@ -28,6 +28,7 @@
#include <reg_script.h>
#include <soc/cpu.h>
#include <soc/iomap.h>
+#include <soc/pm.h>
#include <soc/smm.h>
#include <cpu/intel/turbo.h>
@@ -56,6 +57,12 @@ static void soc_core_init(device_t cpu)
{
/* Set core MSRs */
reg_script_run(core_msr_script);
+ /*
+ * Enable ACPI PM timer emulation, which also lets microcode know
+ * location of ACPI_PMIO_BASE. This also enables other features
+ * implemented in microcode.
+ */
+ enable_pm_timer_emulation();
}
static struct device_operations cpu_dev_ops = {