[coreboot-gerrit] Patch set updated for coreboot: skylake: TCC activation functionality set by the BSP

Sumeet R Pawnikar (sumeet.r.pawnikar@intel.com) gerrit at coreboot.org
Tue Dec 20 18:20:49 CET 2016


Sumeet R Pawnikar (sumeet.r.pawnikar at intel.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/17889

-gerrit

commit c725fb2def5fbcd2bbaec5557e7ce2d8aecca8b4
Author: Sumeet Pawnikar <sumeet.r.pawnikar at intel.com>
Date:   Tue Dec 20 22:30:21 2016 +0530

    skylake: TCC activation functionality set by the BSP
    
    TCC activation functinality has package scope. It was set
    for all CPU in the system which is unnecessary.
    In this patch TCC activation is being set by the BSP only.
    
    BUG=chrome-os-partner:59397
    BRANCH=None.
    TEST=Built for skylake platform and verified the TCC activation
    value before and after S3.
    
    Change-Id: Iacf64cbc40871bbec3bede65f196bf292e0149a6
    Signed-off-by: Sumeet Pawnikar <sumeet.r.pawnikar at intel.com>
---
 src/soc/intel/skylake/cpu.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/soc/intel/skylake/cpu.c b/src/soc/intel/skylake/cpu.c
index 3ec8d2c..e8616f0 100644
--- a/src/soc/intel/skylake/cpu.c
+++ b/src/soc/intel/skylake/cpu.c
@@ -197,7 +197,7 @@ static void configure_thermal_target(void)
 	config_t *conf = dev->chip_info;
 	msr_t msr;
 
-	/* Set TCC activaiton offset if supported */
+	/* Set TCC activation offset if supported */
 	msr = rdmsr(MSR_PLATFORM_INFO);
 	if ((msr.lo & (1 << 30)) && conf->tcc_offset) {
 		msr = rdmsr(MSR_TEMPERATURE_TARGET);
@@ -366,9 +366,6 @@ static void cpu_core_init(device_t cpu)
 	/* Configure Intel Speed Shift */
 	configure_isst();
 
-	/* Thermal throttle activation offset */
-	configure_thermal_target();
-
 	/* Enable Direct Cache Access */
 	configure_dca_cap();
 
@@ -484,6 +481,9 @@ void soc_init_cpus(device_t dev)
 	if (mp_init_with_smm(cpu_bus, &mp_ops)) {
 		printk(BIOS_ERR, "MP initialization failure.\n");
 	}
+
+	/* Thermal throttle activation offset */
+	configure_thermal_target();
 }
 
 int soc_skip_ucode_update(u32 current_patch_id, u32 new_patch_id)



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