asus/f2a85-m: Activate IOMMU support
Activate the IOMMU support for the Asus F2A85-M.
Add the device to `devicetree.cb`.
$ lspci -s 0.2
[…]
00:00.2 IOMMU: Advanced Micro Devices [AMD] Family 15h (Models 10h-1fh) I/O Memory Management Unit
$ dmesg
[…]
[ 0.000000] ACPI: IVRS 00000000bf144e10 00070 (v02 AMD AMDIOMMU 00000001 AMD 00000000)
[ 0.000000] ACPI: SSDT 00000000bf144e80 0051F (v02 AMD ALIB 00000001 MSFT 04000000)
[ 0.000000] ACPI: SSDT 00000000bf1453a0 006B2 (v01 AMD POWERNOW 00000001 AMD 00000001)
[ 0.000000] ACPI: SSDT 00000000bf145a52 00045 (v02 CORE COREBOOT 0000002A CORE 0000002A)
[…]
Linux 3.10 reported several IO page faults, which could never be explained and
which the vendor firmware did not. These errors couldn’t be reproduced with
Linux 3.18 by Damien Zammit.
Change-Id: I0aa530be17d31656e65db6113343f2ea7008b843
Signed-off-by: Rudolf Marek <r.marek@assembler.cz>
Reviewed-on: http://review.coreboot.org/3517
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2 files changed