how the bytes ordered in mpc8313
Scott Wood
scottwood at freescale.com
Thu Aug 9 02:55:22 EST 2007
Yoni Levin wrote:
> I have mpc83xx,
>
> I saw that I need to use swab32 to any read\write operation from registers,
BTW, you should be using in/out_le32() (or for PCI MMIO, readl/writel)
rather than swab32(). This will be more efficient since it can use the
lwbrx/stwbrx instructions, and it will keep working even if the code is
run little-endian.
-Scott
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