[coreboot-gerrit] Patch merged into coreboot/master: asus/f2a85-m: Activate IOMMU support

[gerrit at coreboot.org]

the following patch was just integrated into master:
commit a00e61599a261cea5d5ee2e0031ce3dad15a3cd9
Author: Rudolf Marek <r.marek at assembler.cz>
Date:   Mon May 27 16:12:00 2013 +0200

    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 at assembler.cz>
    Reviewed-on: http://review.coreboot.org/3517
    Tested-by: build bot (Jenkins)
    Reviewed-by: Patrick Georgi <pgeorgi at google.com>


See http://review.coreboot.org/3517 for details.

-gerrit