diff options
| author | Tobias Diedrich <ranma+openocd@tdiedrich.de> | 2017-01-29 18:03:09 +0100 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2017-02-03 02:02:38 +0100 |
| commit | 31db6f5e179d6e0162c010583a31e1f3addf03b7 (patch) | |
| tree | d5beebe7e19f4f06d5c8956678c6f2e5cba739bf /src/mainboard/asus | |
| parent | 3236f7be093b3dfed606d6a6b4e81743ecfe0c5c (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>
Diffstat (limited to 'src/mainboard/asus')
| -rw-r--r-- | src/mainboard/asus/f2a85-m_le/buildOpts.c | 2 | ||||
| -rw-r--r-- | src/mainboard/asus/f2a85-m_le/devicetree.cb | 1 |
2 files changed, 2 insertions, 1 deletions
diff --git a/src/mainboard/asus/f2a85-m_le/buildOpts.c b/src/mainboard/asus/f2a85-m_le/buildOpts.c index 88ff778446..e0a1ea4d3a 100644 --- a/src/mainboard/asus/f2a85-m_le/buildOpts.c +++ b/src/mainboard/asus/f2a85-m_le/buildOpts.c @@ -176,7 +176,7 @@ #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_le/devicetree.cb b/src/mainboard/asus/f2a85-m_le/devicetree.cb index b9873d09c2..d83f466116 100644 --- a/src/mainboard/asus/f2a85-m_le/devicetree.cb +++ b/src/mainboard/asus/f2a85-m_le/devicetree.cb @@ -26,6 +26,7 @@ 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 |