how the bytes ordered in mpc8313
scottwood at freescale.com
Thu Aug 9 02:49:29 EST 2007
Yoni Levin wrote:
> I have mpc83xx,
> I saw that I need to use swab32 to any read\write operation from registers,
Only little endian registers (such as PCI).
> Why in the mpc8313 reference in registers description some bits look like
> And some: 0,1,2,3.,30,31
Most PowerPC documentation numbers bits in the same endianness as the
bytes in the register.
> Is it just mistake? Or some registers are different then other?
I consider big-endian bit numbering to be a mistake, but good luck
getting them to fix it. :-)
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