Hi,

It is very simple. Acturally, 860T is a super set of 852T. You need to change the multification factor (MF)in the siumcr register. It is because the 852T field definition is different fron 860T in siumcr. The rest is dpended on your hardware. There is a document in Motorola web site talking about the different between 860 and 859(a little different from 852). Read it. It is very useful.

Wilson

--- lixi_avansys lixi@avansys.com 的郵件內容：> hi All,

  I want to using u-boot on MPC852T(Motorola 's

new low cost PowerPC processor),is anybody have done this porting? if nobody have done this,how about the workload to porting it.

thanks a lot.

windstone

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