tree ce5e90dbd3c61bcacc0b2f9476c14638d625b27f
parent 8baea29fdeaa5eab26c1ca6e3b88e18a3387be96
author Christophe Lombard <clombard@linux.vnet.ibm.com> 1634227014 +0200
committer Vasant Hegde <hegdevasant@linux.vnet.ibm.com> 1634626561 +0530

pau: create phb

Implement the necessary operations for the OpenCAPI PHB type and
inform the device-tree properties associated.

The OpenCapi PCI config Addr/Data registers are reachable through
the Generation-ID Registers MMIO BARS.
The Config Address and Data registers are located at the following offsets
from the AFU Config BAR plus 320 KB.
• Config Address for Brick 0 – Offset 0
• Config Data for Brick 0 – Offsets:
◦ 128 – 4-byte config register

• Config Address for Brick 1 – Offset 256
• Config Data for Brick 1 – Offsets:
◦ 384 – 4-byte config register

Signed-off-by: Christophe Lombard <clombard@linux.vnet.ibm.com>

Reviewed-by: Frederic Barrat <fbarrat@linux.ibm.com>
Signed-off-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>