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Re: Raspberry Pi 4 ethernet support added to -current



You have to build the firmware without ACPI_BASIC_MODE_ENABLE set (see https://github.com/tianocore/edk2-platforms/blob/master/Platform/RaspberryPi/RPi4/Readme.md for details). The 3GB thing is because OSes other than NetBSD don't properly restrict DMA ranges for peripherals.

On Wed, 26 Feb 2020, John Klos wrote:

Hi, Jared,

Please try it out and let me know if you run into any issues!

Ethernet works well so far! However, I see an interesting issue:

[     1.000000] total memory = 2971 MB
[     1.000000] avail memory = 2876 MB

This is in ACPI mode using RPi4_UEFI_Firmware_v1.2.zip. Other than a missing gigabyte of RAM, it runs very well.

Thanks,
John



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