We (Motorola) have an integrated USB block that uses EHCI and are planning on putting it into embedded PPC (and other devices). I wanted to start a dialog to understand how we can modify the existing EHCI support to handle a non-PCI based access to the register space.

In our devices we have direct memory mapped access to the devices from the CPU. (goes over an internal hidden bus). Was wondering if anything already does this or if you have any comments about how to handle this.

Thanks

- Kumar



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