New patch to review for coreboot: cf8ef1e hp/pavilion_m6_1035dx: Enable IOMMU

[Alexandru Gagniuc]

Alexandru Gagniuc ([e-mail]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/7678

-gerrit

commit cf8ef1e89187ff44d068efb4fdde148e52b0265f
Author: Alexandru Gagniuc 
Date:   Sat Dec 6 03:29:25 2014 -0600

hp/pavilion_m6_1035dx: Enable IOMMU

Change-Id: Ia14490c9074d35b7dde99e38b4ee169d4e4589a4
    Signed-off-by: Alexandru Gagniuc 
---
 src/mainboard/hp/pavilion_m6_1035dx/acpi/routing.asl | 5 +++++
 src/mainboard/hp/pavilion_m6_1035dx/buildOpts.c      | 2 +-
 src/mainboard/hp/pavilion_m6_1035dx/devicetree.cb    | 1 +
 src/mainboard/hp/pavilion_m6_1035dx/mptable.c        | 6 ++++++
 4 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/mainboard/hp/pavilion_m6_1035dx/acpi/routing.asl b/src/mainboard/hp/pavilion_m6_1035dx/acpi/routing.asl
index 108e204..d315e09 100644
--- a/src/mainboard/hp/pavilion_m6_1035dx/acpi/routing.asl
+++ b/src/mainboard/hp/pavilion_m6_1035dx/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/hp/pavilion_m6_1035dx/buildOpts.c b/src/mainboard/hp/pavilion_m6_1035dx/buildOpts.c
index bfd6383..bfda9da 100644
--- a/src/mainboard/hp/pavilion_m6_1035dx/buildOpts.c
+++ b/src/mainboard/hp/pavilion_m6_1035dx/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/hp/pavilion_m6_1035dx/devicetree.cb b/src/mainboard/hp/pavilion_m6_1035dx/devicetree.cb
index 2791262..9257eb5 100644
--- a/src/mainboard/hp/pavilion_m6_1035dx/devicetree.cb
+++ b/src/mainboard/hp/pavilion_m6_1035dx/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 3.0 off end
diff --git a/src/mainboard/hp/pavilion_m6_1035dx/mptable.c b/src/mainboard/hp/pavilion_m6_1035dx/mptable.c
index f47b9d9..65b1279 100644
--- a/src/mainboard/hp/pavilion_m6_1035dx/mptable.c
+++ b/src/mainboard/hp/pavilion_m6_1035dx/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]);