Raspberry Pi hardware differentiation

I’ve seen a call somewhere to differentiate between different platforms, where at present I cannot recall at the moment, but is there a method to identify between the different versions of Raspberry Pi hardware, including the most recent B, version 2 running RiscOS RC14?

Terje Slettebo wrote a BASIC program called SysInfo, in 2010. It only works with ARMv7 CPUs. It gives masses of very detailed information – in particular about the instruction set of the CPU. So it will certainly distinguish between the two versions of the Rpi. I am not sure whether you can download it from somewhere. I will email Terje and ask him if it is OK for me to make it available.

Thank you.

What I’m trying to achieve is to modify my PiSPI module so it can identify between the earlier and most recent version of the hardware so I can choose between memory maps accordingly.

https://www.riscosopen.org/forum/forums/1/topics/3106#posts-39626

Thank you Rick, that code is useful as my module will only run on a Pi, so I’ll add this check to the initialisation code. You say offset 64 or 68 within the block provides more detail, I’ll experiment to see what values I can discover.

The GPIO module uses Rick’s method (obviously) so you could look here

to see how that detects different versions of the Pi.

Terje replied saying that SysInfo was in the public domain. So if anybody wants a copy let them get in touch with me.

I do :)

OK. You can download it from here .

Yes! :)

Just downloaded sysinfo, thank you. I’ll also use the code linked to by Rick and Tank, thank you.

Wrote some code to look at offsets 64 and 68 from the returned OS_Hardware descriptor block, 64 has the board type and 68 contains the revision. The table HALDeviceComms_GPIO doesn’t show what I found but I assume the table needs updating. In addition to those listed, for the Raspberry Pi there should be Board Type 0, Revision 6. This is for the Raspberry Pi 2 Model B, I assume Revision 5 has been reserved for the Raspberry Pi 2 Model A.

The table HALDeviceComms_GPIO doesn’t show what I found but I assume the table needs updating.

Just log in and amend it as appropriate.