soc/intel/cannonlake: Add Acoustic features

Expose the following FSP UPD interface into coreboot, which is the
following:
AcousticNoiseMitigation
FastPkgCRampDisableIa
FastPkgCRampDisableGt
FastPkgCRampDisableSa
FastPkgCRampDisableFivr
SlowSlewRateForIa
SlowSlewRateForGt
SlowSlewRateForSa
SlowSlewRateForFivr

Signed-off-by: Lijian Zhao <lijian.zhao@intel.com>
Change-Id: I21f53c594a085794474e87eb6781b51db88d0c10
Reviewed-on: https://review.coreboot.org/c/30207
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>

2 files changed, 42 insertions, 0 deletions

diff --git a/src/soc/intel/cannonlake/chip.h b/src/soc/intel/cannonlake/chip.h
index 9eb91bdac1..8eaf02b204 100644
--- a/src/soc/intel/cannonlake/chip.h
+++ b/src/soc/intel/cannonlake/chip.h
@@ -263,6 +263,37 @@ struct soc_intel_cannonlake_config {
 	/* Intel VT configuration */
 	uint8_t VtdDisable;
 	uint8_t VmxEnable;
+
+	/*
+	 * Acoustic Noise Mitigation
+	 * 0b - Disable
+	 * 1b - Enable noise mitigation
+	 */
+	uint8_t AcousticNoiseMitigation;
+
+	/*
+	 * Disable Fast Package C-state ramping
+	 * Need to set AcousticNoiseMitigation = '1' first
+	 * 0b - Enabled
+	 * 1b - Disabled
+	 */
+	uint8_t FastPkgCRampDisableIa;
+	uint8_t FastPkgCRampDisableGt;
+	uint8_t FastPkgCRampDisableSa;
+	uint8_t FastPkgCRampDisableFivr;
+
+	/*
+	 * Adjust the VR slew rates
+	 * Need to set AcousticNoiseMitigation = '1' first
+	 * 000b - Fast/2
+	 * 001b - Fast/4
+	 * 010b - Fast/8
+	 * 011b - Fast/16
+	 */
+	uint8_t SlowSlewRateForIa;
+	uint8_t SlowSlewRateForGt;
+	uint8_t SlowSlewRateForSa;
+	uint8_t SlowSlewRateForFivr;
 };
 
 typedef struct soc_intel_cannonlake_config config_t;
diff --git a/src/soc/intel/cannonlake/fsp_params.c b/src/soc/intel/cannonlake/fsp_params.c
index f95745983d..a9326a41bf 100644
--- a/src/soc/intel/cannonlake/fsp_params.c
+++ b/src/soc/intel/cannonlake/fsp_params.c
@@ -210,6 +210,17 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd)
 	 * 3 = GT unsliced,  4 = GT sliced */
 	for (i = 0; i < ARRAY_SIZE(config->domain_vr_config); i++)
 		fill_vr_domain_config(params, i, &config->domain_vr_config[i]);
+
+	/* Acoustic Noise Mitigation */
+	params->AcousticNoiseMitigation = config->AcousticNoiseMitigation;
+	params->SlowSlewRateForIa = config->SlowSlewRateForIa;
+	params->SlowSlewRateForGt = config->SlowSlewRateForGt;
+	params->SlowSlewRateForSa = config->SlowSlewRateForSa;
+	params->SlowSlewRateForFivr = config->SlowSlewRateForFivr;
+	params->FastPkgCRampDisableIa = config->FastPkgCRampDisableIa;
+	params->FastPkgCRampDisableGt = config->FastPkgCRampDisableGt;
+	params->FastPkgCRampDisableSa = config->FastPkgCRampDisableSa;
+	params->FastPkgCRampDisableFivr = config->FastPkgCRampDisableFivr;
 }
 
 /* Mainboard GPIO Configuration */