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[Qemu-devel] [PULL 11/13] hw/arm/virt-acpi-build: _CCA attribute is comp
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [PULL 11/13] hw/arm/virt-acpi-build: _CCA attribute is compulsory |
Date: |
Tue, 3 Nov 2015 14:13:17 +0000 |
From: Graeme Gregory <address@hidden>
According to ACPI specification 6.2.17 _CCA (Cache Coherency Attribute)
this attribute is compulsory on ARM systems. Add this attribute to
the PCI host bridges as required.
Without this the kernel will produce the error
[Firmware Bug]: PCI device 0000:00:00.0 fail to setup DMA.
Signed-off-by: Graeme Gregory <address@hidden>
Message-id: address@hidden
Reviewed-by: Shannon Zhao <address@hidden>
Signed-off-by: Peter Maydell <address@hidden>
---
hw/arm/virt-acpi-build.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index 1aaff1f..1430125 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -180,6 +180,7 @@ static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry
*memmap, int irq,
aml_append(dev, aml_name_decl("_ADR", aml_int(0)));
aml_append(dev, aml_name_decl("_UID", aml_string("PCI0")));
aml_append(dev, aml_name_decl("_STR", aml_unicode("PCIe 0 Device")));
+ aml_append(dev, aml_name_decl("_CCA", aml_int(1)));
/* Declare the PCI Routing Table. */
Aml *rt_pkg = aml_package(nr_pcie_buses * PCI_NUM_PINS);
--
1.9.1
- [Qemu-devel] [PULL 00/13] target-arm queue, Peter Maydell, 2015/11/03
- [Qemu-devel] [PULL 11/13] hw/arm/virt-acpi-build: _CCA attribute is compulsory,
Peter Maydell <=
- [Qemu-devel] [PULL 09/13] target-arm: Bring AArch64 debug CPU display of PSTATE into line with AArch32, Peter Maydell, 2015/11/03
- [Qemu-devel] [PULL 04/13] arm: xilinx_zynq: Add linux pre-boot, Peter Maydell, 2015/11/03
- [Qemu-devel] [PULL 10/13] target-arm: Report S/NS status in the CPU debug logs, Peter Maydell, 2015/11/03
- [Qemu-devel] [PULL 07/13] arm: stellaris: exit on external reset request, Peter Maydell, 2015/11/03
- [Qemu-devel] [PULL 13/13] ARM: ACPI: Fix MPIDR value in ACPI table, Peter Maydell, 2015/11/03
- [Qemu-devel] [PULL 03/13] arm: boot: Add board specific setup code API, Peter Maydell, 2015/11/03
- [Qemu-devel] [PULL 08/13] MAINTAINERS: Add new qemu-arm mailing list to ARM related entries, Peter Maydell, 2015/11/03
- [Qemu-devel] [PULL 05/13] armv7-m: Return DeviceState* from armv7m_init(), Peter Maydell, 2015/11/03
- [Qemu-devel] [PULL 12/13] hw/arm/virt-acpi-build: Add GICC ACPI subtable for GICv3, Peter Maydell, 2015/11/03
- [Qemu-devel] [PULL 02/13] arm: boot: Adjust indentation of FIXUP comments, Peter Maydell, 2015/11/03