soc/intel/skylake: add acoustic noise mitigation params for FSP 1.1

Adapted from Chromium commit d6655eb
[Skylake: create UPD Interface for acoustic noise tuning]

Add FSP 1.1 params needed for acoustic mitigation on google/caroline
(to be upstreamed in a subsequent commit).

TEST: build/boot google/caroline

Change-Id: Ifb36ecef8c1735c63a5322d952929e9c34cddfb9
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/22524
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

2 files changed, 25 insertions, 0 deletions

diff --git a/src/soc/intel/skylake/chip.c b/src/soc/intel/skylake/chip.c
index 3e33053abb..4909ea4ccb 100644
--- a/src/soc/intel/skylake/chip.c
+++ b/src/soc/intel/skylake/chip.c
@@ -196,6 +196,13 @@ void soc_silicon_init_params(SILICON_INIT_UPD *params)
 
 	params->SendVrMbxCmd = config->SendVrMbxCmd;
 
+	/* Acoustic Noise Mitigation */
+	params->AcousticNoiseMitigation = config->AcousticNoiseMitigation;
+	params->SlowSlewRateForIa = config->SlowSlewRateForIa;
+	params->SlowSlewRateForGt = config->SlowSlewRateForGt;
+	params->SlowSlewRateForSa = config->SlowSlewRateForSa;
+	params->FastPkgCRampDisable = config->FastPkgCRampDisable;
+
 	soc_irq_settings(params);
 }
 
@@ -801,6 +808,21 @@ void soc_display_silicon_init_params(const SILICON_INIT_UPD *original,
 	fsp_display_upd_value("SendVrMbxCmd", 1,
 		original->SendVrMbxCmd,
 		params->SendVrMbxCmd);
+	fsp_display_upd_value("AcousticNoiseMitigation", 1,
+		original->AcousticNoiseMitigation,
+		params->AcousticNoiseMitigation);
+	fsp_display_upd_value("SlowSlewRateForIa", 1,
+		original->SlowSlewRateForIa,
+		params->SlowSlewRateForIa);
+	fsp_display_upd_value("SlowSlewRateForGt", 1,
+		original->SlowSlewRateForGt,
+		params->SlowSlewRateForGt);
+	fsp_display_upd_value("SlowSlewRateForSa", 1,
+		original->SlowSlewRateForSa,
+		params->SlowSlewRateForSa);
+	fsp_display_upd_value("FastPkgCRampDisable", 1,
+		original->FastPkgCRampDisable,
+		params->FastPkgCRampDisable);
 }
 
 static void pci_set_subsystem(device_t dev, unsigned int vendor,
diff --git a/src/soc/intel/skylake/chip.h b/src/soc/intel/skylake/chip.h
index 4db8382d68..a7804af14f 100644
--- a/src/soc/intel/skylake/chip.h
+++ b/src/soc/intel/skylake/chip.h
@@ -485,6 +485,9 @@ struct soc_intel_skylake_config {
 	 * 0b - Enabled
 	 * 1b - Disabled
 	 */
+	/* FSP 1.1 */
+	u8 FastPkgCRampDisable;
+	/* FSP 2.0 */
 	u8 FastPkgCRampDisableIa;
 	u8 FastPkgCRampDisableGt;
 	u8 FastPkgCRampDisableSa;