Edward O'Callaghan (eocallaghan@alterapraxis.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/7643
-gerrit
commit fc087f820912c463755d4f4df38983f79d9d6f73 Author: Edward O'Callaghan eocallaghan@alterapraxis.com Date: Fri Dec 5 04:25:44 2014 +1100
mainboard/lenovo/g505s: Toggle on IOMMU support
Toggle on in devicetree.cb and build into AGESA by buildOpts.c. Add ACPI and MPTABLES interrupt routers for IOMMU also.
Change-Id: Ia838f9b70f09ed1180daeb5382edc08c4b74946c Signed-off-by: Edward O'Callaghan eocallaghan@alterapraxis.com --- src/mainboard/lenovo/g505s/acpi/routing.asl | 5 +++++ src/mainboard/lenovo/g505s/buildOpts.c | 2 +- src/mainboard/lenovo/g505s/devicetree.cb | 1 + src/mainboard/lenovo/g505s/mptable.c | 6 ++++++ 4 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/src/mainboard/lenovo/g505s/acpi/routing.asl b/src/mainboard/lenovo/g505s/acpi/routing.asl index 108e204..d315e09 100644 --- a/src/mainboard/lenovo/g505s/acpi/routing.asl +++ b/src/mainboard/lenovo/g505s/acpi/routing.asl @@ -22,6 +22,11 @@ Name(PR0, Package(){ /* NB devices */ /* Bus 0, Dev 0 - F15 Host Controller */ + Package(){0x0000FFFF, 0, INTA, 0 }, + Package(){0x0000FFFF, 1, INTB, 0 }, + Package(){0x0000FFFF, 2, INTC, 0 }, + Package(){0x0000FFFF, 3, INTD, 0 }, + /* Bus 0, Dev 1 - PCI Bridge for Internal Graphics(IGP) */ Package(){0x0001FFFF, 0, INTB, 0 }, Package(){0x0001FFFF, 1, INTC, 0 }, diff --git a/src/mainboard/lenovo/g505s/buildOpts.c b/src/mainboard/lenovo/g505s/buildOpts.c index 56de36e..d6328bc 100644 --- a/src/mainboard/lenovo/g505s/buildOpts.c +++ b/src/mainboard/lenovo/g505s/buildOpts.c @@ -186,7 +186,7 @@ #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/lenovo/g505s/devicetree.cb b/src/mainboard/lenovo/g505s/devicetree.cb index e9718ba..5e79c03 100644 --- a/src/mainboard/lenovo/g505s/devicetree.cb +++ b/src/mainboard/lenovo/g505s/devicetree.cb @@ -30,6 +30,7 @@ chip northbridge/amd/agesa/family15rl/root_complex
chip northbridge/amd/agesa/family15rl # 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 off end diff --git a/src/mainboard/lenovo/g505s/mptable.c b/src/mainboard/lenovo/g505s/mptable.c index f47b9d9..65b1279 100644 --- a/src/mainboard/lenovo/g505s/mptable.c +++ b/src/mainboard/lenovo/g505s/mptable.c @@ -118,6 +118,12 @@ static void *smp_write_config_table(void *v) #define PCI_INT(bus, dev, int_sign, pin) \ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, (bus), (((dev)<<2)|(int_sign)), ioapic_id, (pin))
+ /* IOMMU */ + PCI_INT(0x0, 0x00, 0x0, 0x10); + PCI_INT(0x0, 0x00, 0x1, 0x11); + PCI_INT(0x0, 0x00, 0x2, 0x12); + PCI_INT(0x0, 0x00, 0x3, 0x13); + /* Internal VGA */ PCI_INT(0x0, 0x01, 0x0, intr_data[0x02]); PCI_INT(0x0, 0x01, 0x1, intr_data[0x03]);