[RTEMS Project] #4514: Support MVME2307 DEC Tulip driver

[RTEMS trac]

#4514: Support MVME2307 DEC Tulip driver
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  Reporter:  Chris Johns     |      Owner:  Chris Johns
      Type:  task            |     Status:  assigned
  Priority:  normal          |  Milestone:  5.2
 Component:  network/libbsd  |    Version:  5
  Severity:  normal          |   Keywords:
Blocked By:                  |   Blocking:
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 Back port the MVME2307 patches from `6-freebsd-12` to support the MVME2307
 (`motorola_powerpc`) NIC. The patches:

 - Add nexus bus support for the `ifdc` NIC and UKPHY

 - Update the bus space support to support BSP define split PCI address
 spaces

 - Support PCI legacy support for the PowerPC

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Ticket URL: <http://devel.rtems.org/ticket/4514>
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