intel_idle: initial C8, C9, C10 support

Allow intel_idle and cpuidle to utilize C8, C9, C10
when they are present on...
"Fourth Generation Intel(R) Core(TM) Processors",
which are based on Intel(R) microarchitecture code name Haswell.

Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index 1a38dd7dfe4e..c7fbac392952 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -274,6 +274,27 @@ static struct cpuidle_state hsw_cstates[CPUIDLE_STATE_MAX] = {
                 .target_residency = 500,
                 .enter = &intel_idle },
         {
+                .name = "C8-HSW",
+                .desc = "MWAIT 0x40",
+                .flags = MWAIT2flg(0x40) | CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
+                .exit_latency = 300,
+                .target_residency = 900,
+                .enter = &intel_idle },
+        {
+                .name = "C9-HSW",
+                .desc = "MWAIT 0x50",
+                .flags = MWAIT2flg(0x50) | CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
+                .exit_latency = 600,
+                .target_residency = 1800,
+                .enter = &intel_idle },
+        {
+                .name = "C10-HSW",
+                .desc = "MWAIT 0x60",
+                .flags = MWAIT2flg(0x60) | CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
+                .exit_latency = 2600,
+                .target_residency = 7700,
+                .enter = &intel_idle },
+        {
                 .enter = NULL }
 };