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authorTobias Diedrich <ranma+openocd@tdiedrich.de>2017-01-29 18:03:09 +0100
committerMartin Roth <martinroth@google.com>2017-02-03 02:02:38 +0100
commit31db6f5e179d6e0162c010583a31e1f3addf03b7 (patch)
treed5beebe7e19f4f06d5c8956678c6f2e5cba739bf /src/ec
parent3236f7be093b3dfed606d6a6b4e81743ecfe0c5c (diff)
asus/f2a85-m_le: Activate IOMMU support
Activate the IOMMU for the ASUS F2A85-M LE board. Enable the IOMMU in `devicetree.cb` and build AGESA IOMMU code by enabling the option in `buildOpts.c`. ACPI and MPTABLES interrupt routers are already present since they are syminks to the F2A85-M version. ``` $ uname -a Linux nukunuku 4.8.5 #35 SMP Sun Oct 30 19:34:55 CET 2016 x86_64 GNU/Linux $ lspci -s 0.2 00:00.2 IOMMU: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 10h-1fh) I/O Memory Management Unit $ dmesg | grep -i IOMMU ACPI: IVRS 0x00000000BFFAFF70 000070 (v02 AMD AMDIOMMU 00000001 AMD 00000000) AMD-Vi: Applying erratum 746 workaround for IOMMU at 0000:00:00.2 iommu: Adding device 0000:00:01.0 to group 0 [...] iommu: Adding device 0000:00:18.5 to group 9 iommu: Adding device 0000:03:00.0 to group 8 AMD-Vi: Found IOMMU at 0000:00:00.2 cap 0x40 AMD IOMMUv2 driver by Joerg Roedel <jroedel@suse.de> ``` Change-Id: I6049fcfad53d16a99495d7a8fbc584c71e371d73 Signed-off-by: Tobias Diedrich <ranma+coreboot@tdiedrich.de> Reviewed-on: https://review.coreboot.org/18259 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Martin Roth <martinroth@google.com>
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