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8 Commits

Author SHA1 Message Date
Wojciech Macek
52ea10af69 Improve ThunderX PEM driver to work on pass2 revision 
Things changed:
    * do not allocate 4GB of SLI space, because it's the waste of
      system resources. Allocate only small portions when needed.
    * provide own implementation of activate_resource which performs
      address translation between PCI bus and host PA address space.
      This is temporary solution, should be replaced by bus_map_resource
      once implemented.

Obtained from:         Semihalf
Sponsored by:          Cavium
Approved by:           cognet (mentor)
Reviewed by:           jhb
Differential revision: https://reviews.freebsd.org/D5294
 2016-03-02 08:39:59 +00:00
Wojciech Macek
2445e7c84e Restore ThunderX Pass1.1 PCI changes removed by r295962 
If Enhanced Allocation is not used, we can't allocate any random
    range. All internal devices have hardcoded place where they can
    be located within PCI address space. Fortunately, we can read
    this value from BAR.

Obtained from:         Semihalf
Sponsored by:          Cavium
Approved by:           cognet (mentor)
Reviewed by:           zbb
Differential revision: https://reviews.freebsd.org/D5455
 2016-02-26 12:16:11 +00:00
Wojciech Macek
fb05500b24 Make pci_host_generic and thunderx_pci common 
* provided OFW interface for pci_host_generic (for handling devices which are present in DTS under the PCI node)
  * removed support for internal PCI from arm64/cavium
  * cleaned up and made most of the code common

Obtained from:         Semihalf
Sponsored by:          Cavium
Approved by:           cognet (mentor)
Reviewed by:           zbb
Differential revision: https://reviews.freebsd.org/D5261
 2016-02-24 06:05:30 +00:00
Zbigniew Bodek
9ccaab6db5 Support PEM that is not a PCI endpoint on ThunderX 
Some chip revisions don't have their external PCIe buses
behind the internal bridge. Add support for FDT-configurable
PEMs but keep ability for PCIe enumeration.

Reviewed by:   andrew, wma
Obtained from: Semihalf
Sponsored by:  Cavium
Differential Revision: https://reviews.freebsd.org/D5285
 2016-02-16 11:43:57 +00:00
Zbigniew Bodek
68a594774e Add FDT bus capabilities to ThunderX PCI driver 
New ThunderX firmware incorporates modified DTB that presents
different device hierarchy. In the new device tree, MDIO
devices are below two additional buses that oddly hang on
PCI bridge.

Obtained from: Semihalf
Sponsored by:  Cavium
Differential Revision: https://reviews.freebsd.org/D5069
 2016-01-28 15:40:56 +00:00
Zbigniew Bodek
bc5758b633 Divide ThunderX PCIe driver to general and FDT part 
- Separate FDT and general PCIe driver parts
- Drop some irrelevant printfs that cannot be displayed in
  FDT attach
- Move ranges parsing to FDT portion of PCIe code

Obtained from: Semihalf
Sponsored by:  Cavium
Differential Revision: https://reviews.freebsd.org/D5067
 2016-01-28 15:34:13 +00:00
Zbigniew Bodek
6f675c9d20 Update ThunderX PCIe driver to fit new DTS layout 
In recent EFI the DTS entries changed for PCIe controller.
This commit fixes internal PCIe, external is yet TBD.

Submitted by:  Dominik Ermel <der@semihalf.com>
Obtained from: Semihalf
Sponsored by:  The FreeBSD Foundation
Differential revision: https://reviews.freebsd.org/D4976
 2016-01-18 13:31:29 +00:00
Zbigniew Bodek
d943d79a36 Introduce support for internal PCIe for Cavium's ThunderX 
This driver supports internal PCIe Root Complex on
Cavium ThunderX Pass 1.1 hardware.

Reviewed by:   andrew, jhb
Obtained from: Semihalf
Sponsored by:  The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D3031
 2015-08-08 20:34:55 +00:00