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authorNico Huber <nico.huber@secunet.com>2015-10-21 15:43:41 +0200
committerNico Huber <nico.h@gmx.de>2015-10-22 23:04:55 +0200
commit8193b068d49478e036c0d2ed3e3f717d767eedde (patch)
tree198849908b318c0ad17c49936238493f6afb8af6 /Documentation
parent37743a913fd77fd7ef6b4bb24fadecaea7b52429 (diff)
allocator: Page align memory mapped PCI resources
To help hypervisors to assign PCI devices individually to virtualization guests, page align dynamically allocated MMIO resources. Tested with kontron/ktqm77 which has dynamically configured onboard devices on the root bus and secondary buses. Booted Linux and checked the configuration with `lspci -v`. Got the configuration through Muen's tools which are very picky about overlapping and alignment. Booted a Muen based system that uses many onboard devices. GMA, xHCI and one NIC (on a secondary bus) were verified to function properly. Change-Id: I2b7115070e1ccad64565feff025289732c3b5e66 Signed-off-by: Nico Huber <nico.huber@secunet.com> Reviewed-on: http://review.coreboot.org/12111 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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