This patch set against git changeset d1a2855c2190 adds support for the BCM1480 family of SiByte SoCs. The following are supported: - BCM1255, BCM1280, BCM1455, BCM1480 dual and quad core chips - 4 on-chip cache-coherent GigE MACs - native PCI-X - HT/PCI-X tunnel - SMBus as well as the usual assortment of flash, uarts, DDR DRAM, etc. It also includes a sibyte headers update, some code cleanups, and a hack to work around a missing firmware feature. -andy