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New AMD Processors Supported By Coreboot

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  • New AMD Processors Supported By Coreboot

    Phoronix: New AMD Processors Supported By Coreboot

    While Coreboot support for systems with newer Intel CPUs is tough, Coreboot gained yesterday support for some new AMD CPUs...

    http://www.phoronix.com/scan.php?pag...t-15h-Model-30

  • #2
    Ah, nice to see. I hope also Kabinis and Co will be supported soon. I also hope that we will have a fully FOSS boot code one day. But it is a good "start" already. (if you can still speak of start since they have quite a long tradition with Coreboot)
    Stop TCPA, stupid software patents and corrupt politicians!

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    • #3
      How does it work?
      If you bought a MB based on (U)EFI but it happens to be supported by Coreboot... then what? You remove (U)EFI with some special program and install Coreboot or does the MB have to have Coreboot installed (instead of (U)EFI) from the start? Or they can coexist?..

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      • #4
        Originally posted by mark45 View Post
        How does it work?
        If you bought a MB based on (U)EFI but it happens to be supported by Coreboot... then what? You remove (U)EFI with some special program and install Coreboot or does the MB have to have Coreboot installed (instead of (U)EFI) from the start? Or they can coexist?..
        You just flash Coreboot using Flashrom, overwriting the UEFI. You can also use Tianocore UEFI as a payload for Coreboot (but not the vendor's UEFI).

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        • #5
          Well. Basically that is it.
          But first you have to be sure you whole mainboard is supported, not just CPU, North/Southbridge. That means also SuperIO and the likes. Flashrom must be able to write to the memory chip.
          Then it is a good idea to have a backup of you UEFI and then you can flash coreboot + whatever payload. Everybody feel free to complement this.
          Stop TCPA, stupid software patents and corrupt politicians!

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          • #6
            Originally posted by mark45 View Post
            How does it work?
            If you bought a MB based on (U)EFI but it happens to be supported by Coreboot... then what?
            You need to reflash the ROM chip (like SPI flash) with coreboot firmware. Reflashing can be done either from userspace by using flashrom tool, or physically connecting to the chip. Here is example of physically reflashing ROM chip on Chromebox https://pomozok.wordpress.com/2015/0...rom-chip-data/

            BTW Chromebox is really nice (and cheap) device that works with Coreboot.

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            • #7
              Originally posted by mark45 View Post
              How does it work? If you bought a MB based on (U)EFI but it happens to be supported by Coreboot... then what?
              You need to reflash the ROM chip (like SPI flash) with your own version of firmware (like Coreboot + SeaBIOS). You can reflash it either from userspace using flashrom tool, or phisically connecting to the flash chip.

              Here is example of phisically reflashing Chromebox computer https://pomozok.wordpress.com/2015/0...rom-chip-data/

              BTW Chromebox is really nice (and cheap) Intel based computer that supports Coreboot from the day one.

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              • #8
                Opteron X series

                It seems the Family 15h Model 30 includes ... the Opteron X series.
                Sorry? Opteron X series are Family 16h!

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