the following patch was just integrated into master: commit b2dae79301d2bb19e17a4c8960b11a16800574f8 Author: Nico Huber nico.huber@secunet.com Date: Mon Oct 26 12:34:02 2015 +0100
sb/intel/bd82x6x: Assign unique bus/dev/fn for I/O APIC + HPETs
Assign unique bus/dev/fn values for the I/O APIC and each HPET. The values are taken from an example DMAR table. They are used as source-id for MSI requests and as completer-id for reads from the device' MMIO space [1, 2]. The former is usefull for source-id verfication during interrupt remapping.
[1] Intel 6 Series Chipset and Intel C200 Series Chipset Datasheet Document-Number: 324645
[2] Intel 7 Series / C216 Chipset Family Platform Controller Hub (PCH) Datasheet Document-Number: 326776
Change-Id: Ib46f8cfb7d966dd1cf2b026f671bc45ffcc43d25 Signed-off-by: Nico Huber nico.huber@secunet.com Reviewed-on: http://review.coreboot.org/12193 Tested-by: build bot (Jenkins) Reviewed-by: Duncan Laurie dlaurie@google.com Reviewed-by: Patrick Georgi pgeorgi@google.com
See http://review.coreboot.org/12193 for details.
-gerrit