[U-Boot] MMU init code in uboot for MX31 PDK

Magnus Lilja lilja.magnus at gmail.com
Thu Jun 4 19:51:52 CEST 2009


2009/6/4 alfred steele <alfred.jaquez at gmail.com>:
>> The MMU is not used in ARM/U-boot, at least not on the i.MX31.
> I was thinking there has to be a mechnism which defines the
> phystovirtual mapping table before the kernel starts running in the
> virtual space and the IO peripherals to access memory space/registers.
> Redboot does the same, hence i thought u-boot must be doing it
> somewhere.

That's done by the kernel in the early startup after decompressing.

/Magnus


More information about the U-Boot mailing list