[coreboot-gerrit] Patch set updated for coreboot: asus/f2a85-m: Activate IOMMU support
Paul Menzel (paulepanter@users.sourceforge.net)
gerrit at coreboot.org
Mon Aug 10 16:30:12 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 9287f38d15781715dc858ef37b23b2127227f105
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 4.1.
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
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