From fcc53b1075de6367820e33661a808c5fe742ef6e Mon Sep 17 00:00:00 2001 From: Patrick Rudolph Date: Tue, 3 Feb 2026 14:28:43 +0100 Subject: [PATCH] mb/amd/birman_plus: Set TDP value The default CPU for birman_plus is STX1FP8 with a TDP of 28W. Set SystemConfig to 2 to use the default IRM configuration for 28W TDP CPUs and tweak slow PPT and fast PPT. Change-Id: I555326228ad6a1dfa2f18c7fbd5a69b9b95b0f04 Signed-off-by: Patrick Rudolph Reviewed-on: https://review.coreboot.org/c/coreboot/+/91162 Tested-by: build bot (Jenkins) Reviewed-by: Felix Held --- src/mainboard/amd/birman_plus/devicetree_glinda.cb | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/mainboard/amd/birman_plus/devicetree_glinda.cb b/src/mainboard/amd/birman_plus/devicetree_glinda.cb index 9ec3c8fd71..2027d5b6c0 100644 --- a/src/mainboard/amd/birman_plus/devicetree_glinda.cb +++ b/src/mainboard/amd/birman_plus/devicetree_glinda.cb @@ -21,6 +21,11 @@ chip soc/amd/glinda .flash_ch_en = 0, }" + register "system_configuration" = "2" + + register "slow_ppt_limit_mW" = "45000" + register "fast_ppt_limit_mW" = "45000" + register "i2c_scl_reset" = "GPIO_I2C0_SCL | GPIO_I2C1_SCL | GPIO_I2C2_SCL | GPIO_I2C3_SCL" register "i2c[2].early_init" = "1"