[coreboot-gerrit] Change in coreboot[master]: mb/google/mancomb: Add STAPM values to overridetree

[Felix Held (Code Review)]

Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/52709 )

Change subject: mb/google/mancomb: Add STAPM values to overridetree
......................................................................

mb/google/mancomb: Add STAPM values to overridetree

Follow the FP6 IRM(#56328) to set the stapm parameter
and allow other mancomb variants boards can customize those parameters.

BUG=b:1181157669
TEST=build.

Signed-off-by: Chris Wang 
Change-Id: Ib3ed76e5212a5a8b5fb4fcc3d6884ceff82377b7
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52709
Tested-by: build bot (Jenkins) 
Reviewed-by: Marshall Dawson 
Reviewed-by: Felix Held 
---
M src/mainboard/google/mancomb/variants/baseboard/devicetree.cb
M src/mainboard/google/mancomb/variants/mancomb/overridetree.cb
2 files changed, 10 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Felix Held: Looks good to me, approved
  Marshall Dawson: Looks good to me, approved

diff --git a/src/mainboard/google/mancomb/variants/baseboard/devicetree.cb b/src/mainboard/google/mancomb/variants/baseboard/devicetree.cb
index 9bf52c7..ab5ade7 100644
--- a/src/mainboard/google/mancomb/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/mancomb/variants/baseboard/devicetree.cb
@@ -1,6 +1,8 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 chip soc/amd/cezanne

+	register "system_configuration" = "3"
+
    # eSPI Configuration
    register "common_config.espi_config" = "{
    	.std_io_decode_bitmap = ESPI_DECODE_IO_0x80_EN | ESPI_DECODE_IO_0X60_0X64_EN,
diff --git a/src/mainboard/google/mancomb/variants/mancomb/overridetree.cb b/src/mainboard/google/mancomb/variants/mancomb/overridetree.cb
index 891b4eb..ef52ac0 100644
--- a/src/mainboard/google/mancomb/variants/mancomb/overridetree.cb
+++ b/src/mainboard/google/mancomb/variants/mancomb/overridetree.cb
@@ -1,4 +1,12 @@
 chip soc/amd/cezanne
+
+	register "slow_ppt_limit_mW"         = "37500"
+	register "fast_ppt_limit_mW"         = "48000"
+	register "slow_ppt_time_constant_s"  = "5"
+	register "stapm_time_constant_s"     = "275"
+	register "sustained_power_limit_mW"  = "25000"
+	register "thermctl_limit_degreeC"    = "100"
+
    device domain 0 on
    end # domain