On Fri, 2023-12-15 at 08:23 -0600, Nishanth Menon wrote: [snip]
> > > What version of TIFS are you running? Not getting a response usually > > > means firmware is dead or we're not using the right thread to talk. > > > > Yeah, sorry. I was always running the latest from the ti-linux-firmware > > branch: > > > > SYSFW ABI: 3.1 (firmware rev 0x0009 '9.1.2--v09.01.02 (Kool Koala)') > > > > So, it is really TF-A which seems to cause the issue. > > Actually not TFA either (TFA complains correctly). we have an internal > ticket that is in the middle of getting fixed for TIFS and PDK to > enable this. a bit of history: A new api TISCI_MSG_QUERY_FW_CAPS[1] > was introduced to help determine which version of firmware combination > supports what features (such as Low power, etc). This allows for > consistent TFA/Kernel implementation that can dynamically detect > platforms (since LPM also involved a bit of firmware handshaking for > board specific details - PMIC control and the like). This API is as > fundamental as version message API that all firmware are supposed to > implement. unfortunately the defconfig option for that API wasn't > properly implemented for various firmware components correctly. - > impacted chips are: j721e, j7200, j721s2/am68, j784s4/am69. Other > K3 processor firmware have it implemented correctly. The latest > 9.1.8--v09.01.08 has the bug as well - but hopefully should be fixed > and released soon-ish. Thanks, Nishanth. Glad you guys are aware of this and I am not just seeing things (;-p). > [1] > https://software-dl.ti.com/tisci/esd/latest/2_tisci_msgs/general/core.html#tisci-msg-query-fw-caps > -- > Regards, > Nishanth Menon > Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 > 849D 1736 249D Cheers Marcel
