Morrison, Tom wrote:

I have tested with generic 2.6.20.2 on on x86 (XEON)
platform and a similiar (but not exactly same) 2.6.20.x 
(git tree from Freescale) for my target CPU: MPC8548E

Its exactly the same SATA chip - the only difference
between 7042 & 6042 is the PCI bridge interface.

In the case of 6042 - its a PCI to PCI Bridge
In the case of 7042 - its a PCI to PCI Express Bridge

I do not believe there is any other difference - except
the physical bus interface.

I should have 'said' this in the patch request...

Check the Marvell GPL driver and errata for the chip.  Grep for 'isPEX' 
to see all the PCI-Express-specific code and workarounds.  sata_mv does 
not have a lot of those, which was the reason why I only added the 6042 
PCI ID to the driver.

	Jeff