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authorNico Huber <nico.huber@secunet.com>2015-10-26 12:34:02 +0100
committerPatrick Georgi <pgeorgi@google.com>2015-11-04 18:17:11 +0100
commitb2dae79301d2bb19e17a4c8960b11a16800574f8 (patch)
tree209059683b1ae354af079d9a6e0d5b21d512c7b5 /src/northbridge/intel/sandybridge/sandybridge.h
parentbc39b488a5a721521b7256b7a1ac3a4f664b400d (diff)
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>
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