diff options
Diffstat (limited to 'src/mainboard/google/zork/variants/woomax/overridetree.cb')
-rw-r--r-- | src/mainboard/google/zork/variants/woomax/overridetree.cb | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/src/mainboard/google/zork/variants/woomax/overridetree.cb b/src/mainboard/google/zork/variants/woomax/overridetree.cb new file mode 100644 index 0000000000..7b58df1b81 --- /dev/null +++ b/src/mainboard/google/zork/variants/woomax/overridetree.cb @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: GPL-2.0-or-later + +chip soc/amd/picasso + + # Start : OPN Performance Configuration + # See devhub #55593 Chapter 3.2 for documentation + # For the below fields, 0 indicates use SOC default + + # System config index + register "system_config" = "2" + + # Set STAPM confiuration. All of these fields must be set >0 to take affect + register "slow_ppt_limit" = "25000" #mw + register "fast_ppt_limit" = "30000" #mw + register "slow_ppt_time_constant" = "5" #second + register "stapm_time_constant" = "200" #second + register "sustained_power_limit" = "15000" #mw + + register "telemetry_vddcr_vdd_slope" = "71222" #mA + register "telemetry_vddcr_vdd_offset" = "0" + register "telemetry_vddcr_soc_slope" = "28977" #mA + register "telemetry_vddcr_soc_offset" = "0" + + # End : OPN Performance Configuration + + # Enable I2C2 for trackpad, touchscreen, pen at 400kHz + register "i2c[2]" = "{ + .speed = I2C_SPEED_FAST, + .rise_time_ns = 21, /* 0 to 2.31 (3.3 * .7) */ + .fall_time_ns = 76, /* 2.31 to 0 */ + }" + + # Enable I2C3 for H1 400kHz + register "i2c[3]" = "{ + .speed = I2C_SPEED_FAST, + .rise_time_ns = 125, /* 0 to 1.26v (1.8 * .7) */ + .fall_time_ns = 37, /* 1.26v to 0 */ + .early_init = true, + }" + + # See AMD 55570-B1 Table 13: PCI Device ID Assignments. + device domain 0 on + subsystemid 0x1022 0x1510 inherit + device pci 1.6 off end # GPP Bridge 5 + device pci 1.7 on end # GPP Bridge 6 - NVME + device pci 8.1 on # Internal GPP Bridge 0 to Bus A + device pci 0.3 on end # USB 3.1 + device pci 0.4 on end # USB 3.1 + end + device pci 14.6 off end # Non-Functional SDHCI + end # domain + + device mmio 0xfedc4000 on end + +end # chip soc/amd/picasso |