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8 Commits

Author SHA1 Message Date
Andrew Turner
e0fe10600a Create macros for the ACPI interrupt cross references. This is considered a 
band aid until a better solution to find the correct interrupt controller
can be found.

While here fix one place in the GICv3 ITS driver where the offset wasn't
correctly applied.

Sponsored by:	DARPA, AFRL
Sponsored by:	Cavium (Hardware)
 2018-03-07 13:16:03 +00:00
Andrew Turner
5d94bbc241 Finish removing the non-INTRNG support from sys/arm64. 
Obtained from:	ABT Systems Ltd
MFC after:	1 month
Sponsored by:	The FreeBSD Foundation
 2016-07-14 17:31:29 +00:00
Andrew Turner
550d01a211 Add the GICv3 ITS intrng driver. As the interface to the interrupt 
framework has significantly changed the driver has moved to a new file.
While it shares some code with the existing driver this has been modified
to work better with the intrng framework.

This has been tested on the ThunderX servers in the netperf cluster and has
been used to boot them for other testing, including DTrace and hwpmc.

With this we can use intrng on all supported arm64 platforms I was able to
test on. It is expected we will move to intrng soon, and disable the old
arm64 interrupt framework.

Obtained from:	ABT Systems Ltd
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D6437
 2016-06-03 10:28:06 +00:00
Andrew Turner
72b3f638b7 Add support for intrng to arm64. As the GICv3 drivers will need to be 
updated, and until further testing can be done, this is disabled for now.

It is expected arm64 will switch to this interface, and the old interface
will be removed before 11.0 is released.

Obtained from:	ABT Systems Ltd
Relnotes:	yes
Sponsored by:	The FreeBSD Foundation
 2016-05-16 10:48:51 +00:00
Andrew Turner
4d00d27b3a Reduce the diff with intrng by renaming similar functions. This is a noop, 
but will help move to use the common interrupt handling code later.

Obtained from:	ABT Systems Ltd
Sponsored by:	The FreeBSD Foundation
 2016-03-18 16:18:29 +00:00
Zbigniew Bodek
be7aab76ec Introduce bus_bind_intr method for ARM64 
It can be used to bind specific interrupt to a particular CPU.
Requires PIC support for interrupts binding.

Reviewed by:   wma
Obtained from: Semihalf
Sponsored by:  Cavium
Differential Revision: https://reviews.freebsd.org/D5122
 2016-02-11 11:58:27 +00:00
Andrew Turner
c1d5e7a1f1 Reduce the numbers of levels of indirection in arm64 pcib drivers by making 
the MSI & MSI-X handler functions be directly callable from the driver
methods.

Sponsored by:	ABT Systems Ltd
 2015-12-10 13:19:30 +00:00
Andrew Turner
e5acd89c78 Bring in the start of the arm64 kernel. 
This is only the minimum set of files needed to boot in qemu. As such it is
missing a few things.

The bus_dma code is currently only stub functions with a full implementation
from the development tree to follow.

The gic driver has been copied as the interrupt framework is different. It
is expected the two drivers will be merged by the arm intrng project,
however this will need to be imported into the tree and support for arm64
would need to be added.

This includes code developed by myself, SemiHalf, Ed Maste, and Robin
Randhawa from ARM. This has been funded by the FreeBSD Foundation, with
early development by myself in my spare time with assistance from Robin.

Differential Revision:	https://reviews.freebsd.org/D2199
Reviewed by:	emaste, imp
Relnotes:	yes
Sponsored by:	The FreeBSD Foundation
 2015-04-13 14:43:10 +00:00