summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--src/cpu/intel/common/common_init.c20
1 files changed, 16 insertions, 4 deletions
diff --git a/src/cpu/intel/common/common_init.c b/src/cpu/intel/common/common_init.c
index d0b66d4815..3ea8f36ea8 100644
--- a/src/cpu/intel/common/common_init.c
+++ b/src/cpu/intel/common/common_init.c
@@ -239,11 +239,23 @@ void cpu_init_cppc_config(struct cppc_config *config, u32 version)
if (version >= 2) {
/* Autonomous Selection Enable is populated below */
- /* Autonomous Activity Window Register */
- config->regs[CPPC_AUTO_ACTIVITY_WINDOW] = unsupported;
+ msr.addrl = IA32_HWP_REQUEST;
- /* Energy Performance Preference Register */
- config->regs[CPPC_PERF_PREF] = unsupported;
+ /*
+ * Autonomous Activity Window Register
+ * ResourceTemplate(){Register(FFixedHW, 0x0a, 0x20, 0x774, 0x04,)},
+ */
+ msr.bit_width = 10;
+ msr.bit_offset = 32;
+ config->regs[CPPC_AUTO_ACTIVITY_WINDOW] = msr;
+
+ /*
+ * Autonomous Energy Performance Preference Register
+ * ResourceTemplate(){Register(FFixedHW, 0x08, 0x18, 0x774, 0x04,)},
+ */
+ msr.bit_width = 8;
+ msr.bit_offset = 24;
+ config->regs[CPPC_PERF_PREF] = msr;
/* Reference Performance */
config->regs[CPPC_REF_PERF] = unsupported;