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Andre-ARM (André Przywara)


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May 31 2019, 4:44 PM (174 w, 1 d)

Recent Activity

Mon, Sep 26

Andre-ARM added a comment to T1003: TF-A: RPi4 fails to boot secondary core at second time by PSCI cpu_on.

thanks for the info, I will have a look at this, though probably only later this week.
As for rebuilding: I assume you are using the firmware drops from the pftf github?
This is deeply hidden in the EDK2 build system, but it will effectively use a precompiled version of bl31.bin checked into the edk2-non-osi.git repository. This will be placed into the first 128KB of RPI_EFI.fd file, filled up with 0xff.
So to replace just bl31.bin, you simply overwrite the first part of that file, with your compiled version.
To get bl31.bin from source, you just need an aarch64 (cross-)compiler, then:
$ CROSS_COMPILE=aarch64-linux-gnu- make PLAT=rpi4 DEBUG=0
This should be described in docs/plat/rpi4.rst. If you find something missing, let me know, or even better: send a patch ;-)

Mon, Sep 26, 1:18 PM · Trusted Firmware A, TF-A Bug
Andre-ARM added a comment to T1003: TF-A: RPi4 fails to boot secondary core at second time by PSCI cpu_on.

So that's a lot of details (thanks for that!), but what is the actual problem? That secondaries cannot be taken offline? Or that they don't came back online? And did that work before the commit you mentioned?

Mon, Sep 26, 9:55 AM · Trusted Firmware A, TF-A Bug

Aug 19 2022

Andre-ARM added a comment to T998: dtc warns when compiling TF-A with FVP_HW_CONFIG_DTS=fdts/fvp-base-gicv3-psci-1t.dts.

Yes, this is a known issue. The DTs for the base FVP model were once imported from the Linux tree, but haven't been updated since. Meanwhile both DTC and the DT schema compliance tooling in the kernel tree got stricter, so the old files trigger warnings now.
One could go ahead and just fix each of those warnings, but I am actually working on rearranging the FVP DT files, so we can sync them from the kernel tree. That should fix those messages automatically.

Aug 19 2022, 11:03 AM · Trusted Firmware A

Mar 17 2020

Andre-ARM claimed T669: sunxi h6 need fix memory map.

I took the patch and put it into gerrit. Due to a lack of name or email address I used mine. Happy to change that once I learn about the real identity of "armlabs".

Mar 17 2020, 12:37 AM · Trusted Firmware A