mpc8xx-2.2.13 kernel hangs during boot.

Dan Malek dan at
Wed Feb 2 03:07:05 EST 2000

Brendan John Simon wrote:

> The memory controller is setup in my boot loader.  It knows nothing about VMA, only
> PMA.

This has nothing to do with the 8xx memory controller.  It is the
way the Linux kernel maps its virtual space.

> I am happy with this but am not sure what the DRAM address should be.
> Should I map CS1 and CS2 to 0x00000000 or 0xC0000000 ?

DRAM should map to 0.

> ...  I sounds
> like I will probably need it to access my peripherals from within linux.  Is this
> correct ?

Yes.  It is simply the kernel memory mapping function, similar
to what mmap() does in a user application.

	-- Dan

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