Asus F2A85-M: Activate IOMMU support

Activate the IOMMU support for the Asus F2A85-M.

Add the device to `devicetree.cb`.

    $ pci -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)
    […]
    [    0.465114] [Firmware Bug]: ACPI: no secondary bus range in _CRS
    […]
    [    0.567330] pci 0000:00:00.0: >[1022:1410] type 00 class 0x060000
    [    0.567364] pci 0000:00:00.2: >[1022:1419] type 00 class 0x080600
    [    0.567427] pci 0000:00:01.0: >[1002:9993] type 00 class 0x03000
    […]
    [    0.597731] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
    [    0.597899] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PIBR._PRT]
    [    0.597933] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.SBR0._PRT]
    [    0.597972] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.SBR1._PRT]
    [    0.598073]  pci0000:00: >Requesting ACPI _OSC control (0x1d)
    [    0.603808]  pci0000:00: >ACPI _OSC request failed (AE_NOT_FOUND), returned control mask: 0x1d
    [    0.612397] ACPI _OSC control for PCIe not granted, disabling ASPM
    [    0.620508] Freeing initrd memory: 14876k freed
    […]
    [    0.882674] pci 0000:00:01.0: >Boot video device
    [    0.882876] PCI: CLS 64 bytes, default 64
    [    0.897088] AMD-Vi: Enabling IOMMU at 0000:00:00.2 cap 0x40 extended features:  PreF PPR GT IA
    [    0.905816] pci 0000:00:00.2: >irq 40 for MSI/MSI-X
    [    0.917457] AMD-Vi: Lazy IO/TLB flushing enabled
    [    0.922076] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
    [    0.928500] software IO TLB [mem 0xbb13d000-0xbf13cfff] (64MB) mapped at [ffff8800bb13d000-ffff8800bf13cfff]
    [    0.938535] LVT offset 0 assigned for vector 0x400
    [    0.943338] perf: AMD IBS detected (0x000000ff)
    [    0.948037] audit: initializing netlink socket (disabled)
    [    0.953432] type=2000 audit(1369659616.800:1): initialized
    [    0.977011] HugeTLB registered 2 MB page size, pre-allocated 0 pages
    […]
    [    7.881938] radeon 0000:00:01.0: >VRAM: 512M 0x0000000000000000 - 0x000000001FFFFFFF (512M used)
    [    7.881941] radeon 0000:00:01.0: >GTT: 512M 0x0000000020000000 - 0x000000003FFFFFFF
    […]
    [    7.885516] radeon 0000:00:01.0: >irq 48 for MSI/MSI-X
    [    7.885525] radeon 0000:00:01.0: >radeon: using MSI.
    […]
    [    8.276775] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ae000 flags=0x0010]
    [    8.287363] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001acc00 flags=0x0010]
    [    8.297945] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ae200 flags=0x0010]
    [    8.308527] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ae080 flags=0x0010]
    [    8.319109] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ae240 flags=0x0010]
    [    8.329694] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001accc0 flags=0x0010]
    [    8.340276] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ace80 flags=0x0010]
    [    8.350858] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001acd80 flags=0x0010]
    [    8.361441] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ae280 flags=0x0010]
    [    8.372022] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ae180 flags=0x0010]
    [    8.382605] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ace00 flags=0x0010]
    [    8.393188] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001acdc0 flags=0x0010]
    [    8.403770] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ace40 flags=0x0010]
    [    8.414353] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ae1c0 flags=0x0010]
    [    8.424936] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001acc40 flags=0x0010]
    [    8.435518] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001acc80 flags=0x0010]
    [    8.446100] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ae2c0 flags=0x0010]
    [    8.456684] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ae300 flags=0x0010]
    [    8.467265] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ae340 flags=0x0010]
    [    8.477849] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ae380 flags=0x0010]
    [    8.488431] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ae3c0 flags=0x0010]
    [    8.499013] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ae0c0 flags=0x0010]
    [    8.509596] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001acec0 flags=0x0010]
    [    8.520179] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001acd00 flags=0x0010]
    [    8.530761] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ad000 flags=0x0010]
    [    8.541343] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ae400 flags=0x0010]
    [    8.551925] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ae440 flags=0x0010]
    [    8.562509] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001acf00 flags=0x0010]
    [    8.573090] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ae480 flags=0x0010]
    [    8.583675] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ae100 flags=0x0010]
    [    8.594257] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ae4c0 flags=0x0010]
    […]
    [    8.604840] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001acf40 flags=0x0010]
    [    8.615421] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001acd40 flags=0x0010]
    [    8.626004] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ad140 flags=0x0010]
    [    8.636587] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ad040 flags=0x0010]
    [    8.647169] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ad080 flags=0x0010]
    [    8.657751] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ae500 flags=0x0010]
    [    8.668335] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ad100 flags=0x0010]
    [    8.678917] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ad0c0 flags=0x0010]
    [    8.689499] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001acf80 flags=0x0010]
    [    8.700080] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001acfc0 flags=0x0010]
    [    8.710664] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ae140 flags=0x0010]
    [    8.721246] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ae040 flags=0x0010]
    [    8.731828] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ad180 flags=0x0010]
    [    8.742412] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ae540 flags=0x0010]
    [    8.752995] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ad280 flags=0x0010]
    [    8.763577] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ad340 flags=0x0010]
    [    8.774160] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ad200 flags=0x0010]
    [    8.784741] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ad300 flags=0x0010]
    [    8.795324] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ae5c0 flags=0x0010]
    [    8.805906] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ae640 flags=0x0010]
    [    8.816490] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ad2c0 flags=0x0010]
    [    8.827072] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ad1c0 flags=0x0010]
    [    8.837655] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ad240 flags=0x0010]
    [    8.848238] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ae580 flags=0x0010]
    [    8.858819] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ae600 flags=0x0010]
    [    8.869402] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ad3c0 flags=0x0010]
    [    8.879985] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ad380 flags=0x0010]
    [    8.890568] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ae7c0 flags=0x0010]
    [    8.901151] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ae740 flags=0x0010]
    [    8.911732] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ae6c0 flags=0x0010]
    [    8.922316] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ae780 flags=0x0010]
    [    8.932897] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ae700 flags=0x0010]
    [    8.943480] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:01.0 domain=0x0003 address=0x0000000f001ae680 flags=0x0010]
    [    8.963011] [drm] PCIE GART of 512M enabled (table at 0x0000000000040000).
    [    8.963165] radeon 0000:00:01.0: >WB enabled
    […]

It is not known, what the implications of the `IO_PAGE_FAULT` are.

Change-Id: Ic5fde609322a5fdeb1a48052c403847197752a4b
Signed-off-by: Rudolf Marek <r.marek@assembler.cz>
Reviewed-on: http://review.coreboot.org/3317
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/mainboard/asus/f2a85-m/buildOpts.c b/src/mainboard/asus/f2a85-m/buildOpts.c
index 7f893f935b..4080e8b29d 100644
--- a/src/mainboard/asus/f2a85-m/buildOpts.c
+++ b/src/mainboard/asus/f2a85-m/buildOpts.c
@@ -171,7 +171,7 @@
 #define BLDCFG_UMA_ABOVE4G_SUPPORT                FALSE
 #endif
 
-#define BLDCFG_IOMMU_SUPPORT    FALSE
+#define BLDCFG_IOMMU_SUPPORT    TRUE
 
 #define BLDCFG_CFG_GNB_HD_AUDIO TRUE
 //#define BLDCFG_IGPU_SUBSYSTEM_ID            OEM_IGPU_SSID