diff options
| -rw-r--r-- | hw/i386/acpi-build.c | 55 | ||||
| -rw-r--r-- | hw/i386/acpi-dsdt.dsl | 60 |
2 files changed, 47 insertions, 68 deletions
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 9ae34df..5dd25e1 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -623,6 +623,23 @@ static void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus, qobject_decref(bsel); } +/** + * build_prt_entry: + * @link_name: link name for PCI route entry + * + * build AML package containing a PCI route entry for @link_name + */ +static Aml *build_prt_entry(const char *link_name) +{ + Aml *a_zero = aml_int(0); + Aml *pkg = aml_package(4); + aml_append(pkg, a_zero); + aml_append(pkg, a_zero); + aml_append(pkg, aml_name("%s", link_name)); + aml_append(pkg, a_zero); + return pkg; +} + /* * initialize_route - Initialize the interrupt routing rule * through a specific LINK: @@ -633,12 +650,8 @@ static Aml *initialize_route(Aml *route, const char *link_name, Aml *lnk_idx, int idx) { Aml *if_ctx = aml_if(aml_equal(lnk_idx, aml_int(idx))); - Aml *pkg = aml_package(4); + Aml *pkg = build_prt_entry(link_name); - aml_append(pkg, aml_int(0)); - aml_append(pkg, aml_int(0)); - aml_append(pkg, aml_name("%s", link_name)); - aml_append(pkg, aml_int(0)); aml_append(if_ctx, aml_store(pkg, route)); return if_ctx; @@ -654,7 +667,7 @@ static Aml *initialize_route(Aml *route, const char *link_name, * The hash function is (slot + pin) & 3 -> "LNK[D|A|B|C]". * */ -static Aml *build_prt(void) +static Aml *build_prt(bool is_pci0_prt) { Aml *method, *while_ctx, *pin, *res; @@ -681,7 +694,29 @@ static Aml *build_prt(void) /* route[2] = "LNK[D|A|B|C]", selection based on pin % 3 */ aml_append(while_ctx, initialize_route(route, "LNKD", lnk_idx, 0)); - aml_append(while_ctx, initialize_route(route, "LNKA", lnk_idx, 1)); + if (is_pci0_prt) { + Aml *if_device_1, *if_pin_4, *else_pin_4; + + /* device 1 is the power-management device, needs SCI */ + if_device_1 = aml_if(aml_equal(lnk_idx, aml_int(1))); + { + if_pin_4 = aml_if(aml_equal(pin, aml_int(4))); + { + aml_append(if_pin_4, + aml_store(build_prt_entry("LNKS"), route)); + } + aml_append(if_device_1, if_pin_4); + else_pin_4 = aml_else(); + { + aml_append(else_pin_4, + aml_store(build_prt_entry("LNKA"), route)); + } + aml_append(if_device_1, else_pin_4); + } + aml_append(while_ctx, if_device_1); + } else { + aml_append(while_ctx, initialize_route(route, "LNKA", lnk_idx, 1)); + } aml_append(while_ctx, initialize_route(route, "LNKB", lnk_idx, 2)); aml_append(while_ctx, initialize_route(route, "LNKC", lnk_idx, 3)); @@ -1474,6 +1509,10 @@ static void build_piix4_pci0_int(Aml *table) Aml *method; uint32_t irqs; Aml *sb_scope = aml_scope("_SB"); + Aml *pci0_scope = aml_scope("PCI0"); + + aml_append(pci0_scope, build_prt(true)); + aml_append(sb_scope, pci0_scope); field = aml_field("PCI0.ISA.P40C", AML_BYTE_ACC, AML_NOLOCK, AML_PRESERVE); aml_append(field, aml_named_field("PRQ0", 8)); @@ -1698,7 +1737,7 @@ build_ssdt(GArray *table_data, GArray *linker, aml_append(dev, aml_name_decl("_PXM", aml_int(numa_node))); } - aml_append(dev, build_prt()); + aml_append(dev, build_prt(false)); crs = build_crs(PCI_HOST_BRIDGE(BUS(bus)->parent), io_ranges, mem_ranges); aml_append(dev, aml_name_decl("_CRS", crs)); diff --git a/hw/i386/acpi-dsdt.dsl b/hw/i386/acpi-dsdt.dsl index bc6bd45..5d741dd 100644 --- a/hw/i386/acpi-dsdt.dsl +++ b/hw/i386/acpi-dsdt.dsl @@ -78,64 +78,4 @@ DefinitionBlock ( /* Hotplug notification method supplied by SSDT */ External(\_SB.PCI0.PCNT, MethodObj) } - - -/**************************************************************** - * PCI IRQs - ****************************************************************/ - - Scope(\_SB) { - Scope(PCI0) { - Method (_PRT, 0) { - Store(Package(128) {}, Local0) - Store(Zero, Local1) - While(LLess(Local1, 128)) { - // slot = pin >> 2 - Store(ShiftRight(Local1, 2), Local2) - - // lnk = (slot + pin) & 3 - Store(And(Add(Local1, Local2), 3), Local3) - If (LEqual(Local3, 0)) { - Store(Package(4) { Zero, Zero, LNKD, Zero }, Local4) - } - If (LEqual(Local3, 1)) { - // device 1 is the power-management device, needs SCI - If (LEqual(Local1, 4)) { - Store(Package(4) { Zero, Zero, LNKS, Zero }, Local4) - } Else { - Store(Package(4) { Zero, Zero, LNKA, Zero }, Local4) - } - } - If (LEqual(Local3, 2)) { - Store(Package(4) { Zero, Zero, LNKB, Zero }, Local4) - } - If (LEqual(Local3, 3)) { - Store(Package(4) { Zero, Zero, LNKC, Zero }, Local4) - } - - // Complete the interrupt routing entry: - // Package(4) { 0x[slot]FFFF, [pin], [link], 0) } - - Store(Or(ShiftLeft(Local2, 16), 0xFFFF), Index(Local4, 0)) - Store(And(Local1, 3), Index(Local4, 1)) - Store(Local4, Index(Local0, Local1)) - - Increment(Local1) - } - - Return(Local0) - } - } - - - External(PRQ0, FieldUnitObj) - External(PRQ1, FieldUnitObj) - External(PRQ2, FieldUnitObj) - External(PRQ3, FieldUnitObj) - External(LNKA, DeviceObj) - External(LNKB, DeviceObj) - External(LNKC, DeviceObj) - External(LNKD, DeviceObj) - External(LNKS, DeviceObj) - } } |