[coreboot-gerrit] Change in coreboot[master]: soc/intel/cannonlake: Add basic CPU PM entry of FSP
Lijian Zhao (Code Review)
gerrit at coreboot.org
Sat Feb 3 04:52:48 CET 2018
Lijian Zhao has uploaded this change for review. ( https://review.coreboot.org/23580
Change subject: soc/intel/cannonlake: Add basic CPU PM entry of FSP
......................................................................
soc/intel/cannonlake: Add basic CPU PM entry of FSP
Enable coreboot's ability of update basic CPU power management about
package power limit 1 and package power limit 2.
BUG=b.72574971
TEST=Build and flash to meowth platform, able to boot up fine into OS.
Update PPL1 in coreboot, and combine with debug build FSP can see
desired value got printed.
Change-Id: I81bd04f5de05543ad00ce2562839a51a5c0ae047
Signed-off-by: Lijian Zhao <lijian.zhao at intel.com>
---
M src/soc/intel/cannonlake/chip.c
M src/soc/intel/cannonlake/chip.h
2 files changed, 14 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/80/23580/1
diff --git a/src/soc/intel/cannonlake/chip.c b/src/soc/intel/cannonlake/chip.c
index f05b55a..e2d4a82 100644
--- a/src/soc/intel/cannonlake/chip.c
+++ b/src/soc/intel/cannonlake/chip.c
@@ -180,6 +180,7 @@
{
int i;
FSP_S_CONFIG *params = &supd->FspsConfig;
+ FSP_S_TEST_CONFIG *params_t = &supd->FspsTestConfig;
const struct device *dev = SA_DEV_ROOT;
config_t *config = dev->chip_info;
@@ -269,6 +270,11 @@
params->Device4Enable = config->Device4Enable;
params->SkipMpInit = config->FspSkipMpInit;
+ /* Cpu Basic Powermanagement */
+ params_t->PowerLimit1 = config->PPL1Power;
+ params_t->PowerLimit2 = config->PPL2_enable;
+ params_t->PowerLimit2Power = config->PPL2Power;
+
/* VrConfig Settings for 5 domains
* 0 = System Agent, 1 = IA Core, 2 = Ring,
* 3 = GT unsliced, 4 = GT sliced */
diff --git a/src/soc/intel/cannonlake/chip.h b/src/soc/intel/cannonlake/chip.h
index a42494c..64de442 100644
--- a/src/soc/intel/cannonlake/chip.h
+++ b/src/soc/intel/cannonlake/chip.h
@@ -85,6 +85,14 @@
/* TCC activation offset */
uint32_t tcc_offset;
+ /* CPU Basic Power Management
+ * Package PL1 - Package long duration turbo mode power limit
+ * Package PL2 - Short Duration Turbo Mode
+ * Package PL1 - Package short duration turbo mode power limit */
+ uint32_t PPL1Power;
+ uint32_t PPL2_enable;
+ uint32_t PPL2Power;
+
uint64_t PlatformMemorySize;
uint8_t SmramMask;
uint8_t MrcFastBoot;
--
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Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I81bd04f5de05543ad00ce2562839a51a5c0ae047
Gerrit-Change-Number: 23580
Gerrit-PatchSet: 1
Gerrit-Owner: Lijian Zhao <lijian.zhao at intel.com>
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