[coreboot-gerrit] Patch set updated for coreboot: asus/f2a85-m: Activate IOMMU support

Mon Aug 10 16:19:58 CEST 2015

Paul Menzel (paulepanter at users.sourceforge.net) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/3517

-gerrit

commit 87e89775c83759f5bd1ffec25025fcffa6054694
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`.
    
        $ 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 [    0.884867] pci
        0000:00:00.2: >can't derive routing for PCI INT A [    0.890954] pci
        0000:00:00.2: >PCI INT A: no GSI [    0.895556] [    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] […] [    8.594257] 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] […] [    8.943480] 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: I0aa530be17d31656e65db6113343f2ea7008b843
    Signed-off-by: Rudolf Marek <r.marek at assembler.cz>
---
 src/mainboard/asus/f2a85-m/buildOpts.c   | 2 +-
 src/mainboard/asus/f2a85-m/devicetree.cb | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/mainboard/asus/f2a85-m/buildOpts.c b/src/mainboard/asus/f2a85-m/buildOpts.c
index b812cd5..3c9371c 100644
--- a/src/mainboard/asus/f2a85-m/buildOpts.c
+++ b/src/mainboard/asus/f2a85-m/buildOpts.c
@@ -181,7 +181,7 @@
 #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
diff --git a/src/mainboard/asus/f2a85-m/devicetree.cb b/src/mainboard/asus/f2a85-m/devicetree.cb
index 4562557..b501dc2 100644
--- a/src/mainboard/asus/f2a85-m/devicetree.cb
+++ b/src/mainboard/asus/f2a85-m/devicetree.cb
@@ -30,6 +30,7 @@ chip northbridge/amd/agesa/family15tn/root_complex
 
 			chip northbridge/amd/agesa/family15tn # PCI side of HT root complex
 				device pci 0.0 on  end # Root Complex
+				device pci 0.2 on  end # IOMMU
 				device pci 1.0 on  end # Internal Graphics P2P bridge 0x99XX
 				device pci 1.1 on  end # Internal Multimedia
 				device pci 2.0 on  end # PCIE SLOT0 x16 blue

