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authorWerner Zeh <werner.zeh@siemens.com>2018-09-19 08:35:50 +0200
committerPhilipp Deppenwiese <zaolin.daisuki@gmail.com>2018-09-20 12:38:49 +0000
commit1a22d3bc7e56e25ef2674bfdfbe6910a9e8a9372 (patch)
tree645381a14ab498d523b755133b1d36f32bddd578 /src/mainboard/kontron
parentca0c8e75f9106ecd436db87424b6d836a465c0a2 (diff)
soc/intel/fsp_broadwell_de: Add fixed VT-d MMIO range to the resources
FSP initializes the VT-d feature on Broadwell-DE and assigns an address space to the MMIO range. coreboot's resource allocator needs to be aware of this fixed resource as otherwise the address can be assigned to a different PCI device. In this case addresses are overlapped and the VT-d range is not accessible any more. To deal with it the right way add a fixed MMIO resource to the resources list if VT-d BAR is enabled. TEST=Booted into Linux and checked coreboot log for resource assignment. Change-Id: I626ac17420eadc0b49031e850f0f40b3b221a098 Signed-off-by: Werner Zeh <werner.zeh@siemens.com> Reviewed-on: https://review.coreboot.org/28672 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de> Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
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