mb/google/brya/variants/crota: Configure TDC current for VR domains.

+-----------+-------+-------+---------+-------------+----------+
| Setting   | AC LL | DC LL | ICC MAX | TDC Current | TDC Time |
|           |(mOhms)|(mOhms)|   (A)   |     (A)     |   (msec) |
+-----------+-------+-------+---------+-------------+----------+
|    IA     |  2.8  |  2.8  |    80   |      43     |  28000   |
+-----------+-------+-------+---------+-------------+----------+
|    GT     |  3.2  |  3.2  |    40   |      23     |  28000   |
+-----------+-------+-------+---------+-------------+----------+
- IA TDC current from 20A to 43A.
- GT TDC current from 20A to 23A.

BUG=b:256754175
TEST=Build test image and use PTAT to check IA and GT value
Signed-off-by: Johnny Li <johnny_li@wistron.corp-partner.google.com>
Change-Id: Ife36655f077bae567bff3c3e33f779c990cf5ed9
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69135
Reviewed-by: Tarun Tuli <taruntuli@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Yang <paul.f.yang@intel.corp-partner.google.com>
Reviewed-by: Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com>

1 files changed, 25 insertions, 0 deletions

diff --git a/src/mainboard/google/brya/variants/crota/overridetree.cb b/src/mainboard/google/brya/variants/crota/overridetree.cb
index 847cf6c2e4..01a8aadcaf 100644
--- a/src/mainboard/google/brya/variants/crota/overridetree.cb
+++ b/src/mainboard/google/brya/variants/crota/overridetree.cb
@@ -21,6 +21,31 @@ chip soc/intel/alderlake
 	register "sagv" = "SaGv_Enabled"
 	register "max_dram_speed_mts" = "4800"
 	register "cnvi_bt_audio_offload" = "1"
+	# +-----------+-------+-------+---------+-------------+----------+
+	# | Setting   | AC LL | DC LL | ICC MAX | TDC Current | TDC Time |
+	# |           |(mOhms)|(mOhms)|   (A)   |     (A)     |   (msec) |
+	# +-----------+-------+-------+---------+-------------+----------+
+	# |    IA     |  2.8  |  2.8  |    80   |      43     |  28000   |
+	# +-----------+-------+-------+---------+-------------+----------+
+	# |    GT     |  3.2  |  3.2  |    40   |      23     |  28000   |
+	# +-----------+-------+-------+---------+-------------+----------+
+	register "domain_vr_config[VR_DOMAIN_IA]" = "{
+		.vr_config_enable = 1,
+		.ac_loadline = 280,
+		.dc_loadline = 280,
+		.icc_max = VR_CFG_AMP(80),
+		.tdc_timewindow = 28000,
+		.tdc_currentlimit = VR_CFG_TDC_AMP(43),
+	}"
+
+	register "domain_vr_config[VR_DOMAIN_GT]" = "{
+		.vr_config_enable = 1,
+		.ac_loadline = 320,
+		.dc_loadline = 320,
+		.icc_max = VR_CFG_AMP(40),
+		.tdc_timewindow = 28000,
+		.tdc_currentlimit = VR_CFG_TDC_AMP(23),
+	}"
 
 	# Acoustic settings
 	register "acoustic_noise_mitigation" = "1"