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pc: acpi: q35: move ISA bridge into SSDT 

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Igor Mammedov 2015-12-28 18:02:49 +01:00 committed by Michael S. Tsirkin
parent 78e1ad0509
commit 41f95a5200
2 changed files with 54 additions and 46 deletions
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54
hw/i386/acpi-build.c
View File

@ -1633,8 +1633,21 @@ static void build_piix4_pci0_int(Aml *table)
static void build_q35_pci0_int(Aml *table)
{
Aml *field;
Aml *sb_scope = aml_scope("_SB");
field = aml_field("PCI0.ISA.PIRQ", AML_BYTE_ACC, AML_NOLOCK, AML_PRESERVE);
aml_append(field, aml_named_field("PRQA", 8));
aml_append(field, aml_named_field("PRQB", 8));
aml_append(field, aml_named_field("PRQC", 8));
aml_append(field, aml_named_field("PRQD", 8));
aml_append(field, aml_reserved_field(0x20));
aml_append(field, aml_named_field("PRQE", 8));
aml_append(field, aml_named_field("PRQF", 8));
aml_append(field, aml_named_field("PRQG", 8));
aml_append(field, aml_named_field("PRQH", 8));
aml_append(sb_scope, field);
aml_append(sb_scope, build_irq_status_method());
aml_append(sb_scope, build_iqcr_method(false));
@ -1663,6 +1676,46 @@ static void build_q35_pci0_int(Aml *table)
aml_append(table, sb_scope);
}
static void build_q35_isa_bridge(Aml *table)
{
Aml *dev;
Aml *scope;
Aml *field;
scope = aml_scope("_SB.PCI0");
dev = aml_device("ISA");
aml_append(dev, aml_name_decl("_ADR", aml_int(0x001F0000)));
/* ICH9 PCI to ISA irq remapping */
aml_append(dev, aml_operation_region("PIRQ", AML_PCI_CONFIG,
0x60, 0x0C));
aml_append(dev, aml_operation_region("LPCD", AML_PCI_CONFIG,
0x80, 0x02));
field = aml_field("LPCD", AML_ANY_ACC, AML_NOLOCK, AML_PRESERVE);
aml_append(field, aml_named_field("COMA", 3));
aml_append(field, aml_reserved_field(1));
aml_append(field, aml_named_field("COMB", 3));
aml_append(field, aml_reserved_field(1));
aml_append(field, aml_named_field("LPTD", 2));
aml_append(field, aml_reserved_field(2));
aml_append(field, aml_named_field("FDCD", 2));
aml_append(dev, field);
aml_append(dev, aml_operation_region("LPCE", AML_PCI_CONFIG,
0x82, 0x02));
/* enable bits */
field = aml_field("LPCE", AML_ANY_ACC, AML_NOLOCK, AML_PRESERVE);
aml_append(field, aml_named_field("CAEN", 1));
aml_append(field, aml_named_field("CBEN", 1));
aml_append(field, aml_named_field("LPEN", 1));
aml_append(field, aml_named_field("FDEN", 1));
aml_append(dev, field);
aml_append(scope, dev);
aml_append(table, scope);
}
static void build_piix4_pm(Aml *table)
{
Aml *dev;
@ -1790,6 +1843,7 @@ build_ssdt(GArray *table_data, GArray *linker,
build_piix4_pci0_int(ssdt);
} else {
build_hpet_aml(ssdt);
build_q35_isa_bridge(ssdt);
build_isa_devices_aml(ssdt);
build_q35_pci0_int(ssdt);
}

46
hw/i386/q35-acpi-dsdt.dsl
View File

@ -113,39 +113,6 @@ DefinitionBlock (
}
}
/****************************************************************
* LPC ISA bridge
****************************************************************/
Scope(\_SB.PCI0) {
/* PCI D31:f0 LPC ISA bridge */
Device(ISA) {
Name (_ADR, 0x001F0000) // _ADR: Address
/* ICH9 PCI to ISA irq remapping */
OperationRegion(PIRQ, PCI_Config, 0x60, 0x0C)
OperationRegion(LPCD, PCI_Config, 0x80, 0x2)
Field(LPCD, AnyAcc, NoLock, Preserve) {
COMA, 3,
, 1,
COMB, 3,
Offset(0x01),
LPTD, 2,
, 2,
FDCD, 2
}
OperationRegion(LPCE, PCI_Config, 0x82, 0x2)
Field(LPCE, AnyAcc, NoLock, Preserve) {
CAEN, 1,
CBEN, 1,
LPEN, 1,
FDEN, 1
}
}
}
/****************************************************************
* PCI IRQs
****************************************************************/
@ -285,19 +252,6 @@ DefinitionBlock (
}
}
Field(PCI0.ISA.PIRQ, ByteAcc, NoLock, Preserve) {
PRQA, 8,
PRQB, 8,
PRQC, 8,
PRQD, 8,
Offset(0x08),
PRQE, 8,
PRQF, 8,
PRQG, 8,
PRQH, 8
}
External(LNKA, DeviceObj)
External(LNKB, DeviceObj)
External(LNKC, DeviceObj)