mb/google/brya/var/kinox: Configure TDC current

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.
- Others comes from 'commit c6d716694272 ("soc/intel/alderlake: Configure the SKU specific parameters for VR domains")'

BUG=b:237230877
TEST=Build and boot to Chrome OS

Signed-off-by: Dtrain Hsu <dtrain_hsu@compal.corp-partner.google.com>
Change-Id: Ie9cf8975309b57b4189e2b50f37bd61ac0105e14
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65659
Reviewed-by: Frank Wu <frank_wu@compal.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

1 files changed, 26 insertions, 0 deletions

diff --git a/src/mainboard/google/brya/variants/kinox/overridetree.cb b/src/mainboard/google/brya/variants/kinox/overridetree.cb
index bcf322b225..b76bf63836 100644
--- a/src/mainboard/google/brya/variants/kinox/overridetree.cb
+++ b/src/mainboard/google/brya/variants/kinox/overridetree.cb
@@ -10,6 +10,32 @@ chip soc/intel/alderlake
 	# GPE configuration
 	register "pmc_gpe0_dw1" = "GPP_H"
 
+	# +-----------+-------+-------+---------+-------------+----------+
+	# | 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),
+	}"
+
 	# Intel Common SoC Config
 	#+-------------------+---------------------------+
 	#| Field             |  Value                    |