[coreboot-gerrit] New patch to review for coreboot: ACPI: Add code to create root port entry in DMAR table

[Werner Zeh (werner.zeh@siemens.com)]

Werner Zeh (werner.zeh at siemens.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/15912

-gerrit

commit ef37a912cf99b4e1b5ca08cb8fcbdaadd8d7dcb2
Author: Werner Zeh <werner.zeh at siemens.com>
Date:   Wed Jul 27 07:07:20 2016 +0200

    ACPI: Add code to create root port entry in DMAR table
    
    PCI root ports needs to be reported in DMAR table in the ATS scope. Add
    code to create an entry for a PCI root port using the type
    "SCOPE_PCI_SUB".
    
    Change-Id: Ie2c46db7292d9f1637ffe2e9cfaf6619372ddf13
    Signed-off-by: Werner Zeh <werner.zeh at siemens.com>
---
 src/arch/x86/acpi.c              | 7 +++++++
 src/arch/x86/include/arch/acpi.h | 2 ++
 2 files changed, 9 insertions(+)

diff --git a/src/arch/x86/acpi.c b/src/arch/x86/acpi.c
index 3aee2a1..667340e 100644
--- a/src/arch/x86/acpi.c
+++ b/src/arch/x86/acpi.c
@@ -476,6 +476,13 @@ static unsigned long acpi_create_dmar_drhd_ds(unsigned long current,
 	return ds->length;
 }
 
+unsigned long acpi_create_dmar_drhd_ds_pci_br(unsigned long current, u8 bus,
+	u8 dev, u8 fn)
+{
+	return acpi_create_dmar_drhd_ds(current,
+			SCOPE_PCI_SUB, 0, bus, dev, fn);
+}
+
 unsigned long acpi_create_dmar_drhd_ds_pci(unsigned long current, u8 bus,
 	u8 dev, u8 fn)
 {
diff --git a/src/arch/x86/include/arch/acpi.h b/src/arch/x86/include/arch/acpi.h
index b67213d..2b320a2 100644
--- a/src/arch/x86/include/arch/acpi.h
+++ b/src/arch/x86/include/arch/acpi.h
@@ -619,6 +619,8 @@ unsigned long acpi_create_dmar_atsr(unsigned long current, u8 flags,
 				    u16 segment);
 void acpi_dmar_drhd_fixup(unsigned long base, unsigned long current);
 void acpi_dmar_atsr_fixup(unsigned long base, unsigned long current);
+unsigned long acpi_create_dmar_drhd_ds_pci_br(unsigned long current,
+					   u8 bus, u8 dev, u8 fn);
 unsigned long acpi_create_dmar_drhd_ds_pci(unsigned long current,
 					   u8 bus, u8 dev, u8 fn);
 unsigned long acpi_create_dmar_drhd_ds_ioapic(unsigned long current,