> NXP still retains Motorola's foundaries. Using TSMC (or even Samsung)
> makes more sense than using AMD offshoot Global Foundries.

With their step from 45 nm to 28 nm, Freescale outsourced manufacturing to TSMC.
NXP have their 90 nm and 45 nm parts (including those taken over from Freescale) manufactured by GlobalFoundries.