Porting VxWorks to Apple Mac PowerPC G4
sakvel_k at yahoo.com
Sat Oct 25 03:15:04 EST 2003
I'm trying to understand the complexities involved
in porting vxworks to PowerPc G4. I already have the
port for MPC740 based board. I'm sure some of you
might have done the linux porting. That's why posting
to this mail-group.
The question is related to open firmware, CHRP and
run time drivers. As per my understanding, it
understanding the device tree to obtain CPU, PCI bus
and peripherals and how it is connected. As a side
note, PowerPC G4 Xserve cluster node uses two custom
made ICs (U2-bridge and memory controller and
IO controller and disk)
Now, how do I know about clock (and timers),
structure and registers etc to configure the
devices. Also, OF says, it should provide basic run
time drivers. Now, How do I invoke the drivers that
comes with boot ROM? and performing VxWorks
intialization. Or should I have to write drivers?
I don't see any documentation at apple developers
and in the internet that helps much.
Any documentation available will be helpful (I read
through apple technocal notes 1167, 2000, 1061,
1062, 2001, 2004, 2023 and 1167).
But, I don't seem to find enough information.
Appreciate any information.
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