From a00e61599a261cea5d5ee2e0031ce3dad15a3cd9 Mon Sep 17 00:00:00 2001 From: Rudolf Marek Date: Mon, 27 May 2013 16:12:00 +0200 Subject: asus/f2a85-m: Activate IOMMU support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Reviewed-on: http://review.coreboot.org/3517 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi --- src/mainboard/asus/f2a85-m/buildOpts.c | 2 +- src/mainboard/asus/f2a85-m/devicetree.cb | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) (limited to 'src/mainboard/asus') diff --git a/src/mainboard/asus/f2a85-m/buildOpts.c b/src/mainboard/asus/f2a85-m/buildOpts.c index b812cd5163..3c9371c414 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 45625576ed..b501dc252a 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 -- cgit v1.2.3