summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/soc/intel/cannonlake/chip.h37
-rw-r--r--src/soc/intel/cannonlake/fsp_params.c10
2 files changed, 47 insertions, 0 deletions
diff --git a/src/soc/intel/cannonlake/chip.h b/src/soc/intel/cannonlake/chip.h
index 3a723d2ab0..6517b9e882 100644
--- a/src/soc/intel/cannonlake/chip.h
+++ b/src/soc/intel/cannonlake/chip.h
@@ -222,6 +222,43 @@ struct soc_intel_cannonlake_config {
*/
uint32_t PrmrrSize;
uint8_t PmTimerDisabled;
+
+ /*
+ * SLP_S3 Minimum Assertion Width Policy
+ * 1 = 60us
+ * 2 = 1ms (default)
+ * 3 = 50ms
+ * 4 = 2s
+ */
+ uint8_t PchPmSlpS3MinAssert;
+
+ /*
+ * SLP_S4 Minimum Assertion Width Policy
+ * 1 = 1s
+ * 2 = 2s
+ * 3 = 3s
+ * 4 = 4s (default)
+ */
+ uint8_t PchPmSlpS4MinAssert;
+
+ /*
+ * SLP_SUS Minimum Assertion Width Policy
+ * 1 = 0ms
+ * 2 = 500ms
+ * 3 = 1s (default)
+ * 4 = 4s
+ */
+ uint8_t PchPmSlpSusMinAssert;
+
+ /*
+ * SLP_A Minimum Assertion Width Policy
+ * 1 = 0ms
+ * 2 = 4s
+ * 3 = 98ms (default)
+ * 4 = 2s
+ */
+ uint8_t PchPmSlpAMinAssert;
+
/* Desired platform debug type. */
enum {
DebugConsent_Disabled,
diff --git a/src/soc/intel/cannonlake/fsp_params.c b/src/soc/intel/cannonlake/fsp_params.c
index 8166dea691..ea781bcb3e 100644
--- a/src/soc/intel/cannonlake/fsp_params.c
+++ b/src/soc/intel/cannonlake/fsp_params.c
@@ -229,6 +229,16 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd)
/* Power Optimizer */
params->PchPwrOptEnable = config->dmipwroptimize;
params->SataPwrOptEnable = config->satapwroptimize;
+
+ /* Apply minimum assertion width settings if non-zero */
+ if (config->PchPmSlpS3MinAssert)
+ params->PchPmSlpS3MinAssert = config->PchPmSlpS3MinAssert;
+ if (config->PchPmSlpS4MinAssert)
+ params->PchPmSlpS4MinAssert = config->PchPmSlpS4MinAssert;
+ if (config->PchPmSlpSusMinAssert)
+ params->PchPmSlpSusMinAssert = config->PchPmSlpSusMinAssert;
+ if (config->PchPmSlpAMinAssert)
+ params->PchPmSlpAMinAssert = config->PchPmSlpAMinAssert;
}
/* Mainboard GPIO Configuration */