Identifying Primecells

[Pawel Moll]

> My registers don't seem to match up with the pl011 documentation...
<...>
> INTCE	W	0xFD8	Interrupt	Clear Enable Register
> INTSE	W	0xFDC	Interrupt	Set Enable Register
> INTS	R	0xFE0	Interrupt	Status Register
> INTE	R	0xFE4	Interrupt	Enable Register

... nor any other PrimeCell, actually :-)

"Compliant" PrimeCells must have the PCellID in the last 4 registers:

http://infocenter.arm.com/help/topic/com.arm.doc.ddi0183g/I54776.html

* base + 0xff0 = 0x0d
* base + 0xff4 = 0xf0
* base + 0xff8 = 0x05
* base + 0xffc = 0xb1

Cheers!

Paweł