Hi Rudolf,
thanks for your answer. I checked the output and it seems like the CPU is detected correct by coreboot CPU_CLUSTER: 0 init ... start_eip=0x00001000, code_size=0x00000031 Initializing CPU #0 CPU: vendor AMD device fc0 CPU: family 0f, model 0c, stepping 00 Enabling cache CPU ID 0x80000001: fc0 MTRR: Physical address space: But I have also seen that CONFIG_K8_REV_F_SUPPORT is not set in .config Do I need to set it? and where ? src/mainboard/asus/k8v-x/Kconfig? I copied my coreboot.output to https://pastebin.com/raw/yFM1qXxq and my .config to https://pastebin.com/raw/KH69Vhzg maybe you can see more than me. Thanks, Michael ________________________________ Von: Rudolf Marek <[email protected]> Gesendet: Mittwoch, 16. August 2017 08:41 An: [email protected]; [email protected] Betreff: Re: [coreboot] Howto enable AMD Cool'n'Quiet support Hi, > I checked coreboot.rom-file and my vendor BIOS for that but can't find it. The coreboot provides the _PSS ACPI objects and not that PSB table. I guess you miss the _PSS objects for some reason. > Did I miss to enable something in make menuconfig? Can someone give me a hint > how to find the missing blob. If your CPU is pre rev F family 0xf, the _PSS object is generated using a hardcoded table. Perhaps your CPU is missing there. See powernow_acpi.c coreboot should also complain if the CPU is missing there: "Unknown CPU, please update the powernow_acpi.c" Thanks Rudolf
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