[Differential] [Request, 23 lines] D2018: Introduce Annapurna Labs AHCI support

[zbb (Zbigniew Bodek)]

zbb created this revision.
zbb added reviewers: mav, imp, smh.
zbb added a subscriber: freebsd-arm.

REVISION SUMMARY
      Overview:    
      * implemented quirk for forcing SATA interface enable
      * restore value to status register - this enables link autonegotiation
      
      Modifications:
      * devid:vendorid field
      * quirk for forcing PI setting (BIOS is doing that on PC-like systems)
      * write to capabilites field to enable phy link initialization
  
  Submitted by:   Wojciech Macek <wma at semihalf.com>
  Obtained from: Semihalf

REVISION DETAIL
  https://reviews.freebsd.org/D2018

AFFECTED FILES
  sys/dev/ahci/ahci.c
  sys/dev/ahci/ahci.h
  sys/dev/ahci/ahci_pci.c

To: zbb, mav, imp, smh
Cc: freebsd-arm