K 10 svn:author V 6 andrew K 8 svn:date V 27 2015-12-03T11:24:11.541535Z K 7 svn:log V 487 Add support for a generic AHCI attachment. This allows us to attach to a typically memory mapped bus, for example on the AMD Opteron A1100 the AHCI device is mapped in the CPUs address space, and not through a PCI controller. Further work is needed for this to work with ACPI as this is expected to be common on ARMv8 servers. Reviewed by: mav, mmel Obtained from: mmel, ABT Systems Ltd Relnotes: yes Sponsored by: SoftIron Inc Differential Revision: https://reviews.freebsd.org/D4269 END