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| author | Michael S. Tsirkin <mst@redhat.com> | 2011-11-20 19:56:59 +0200 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2011-11-22 21:52:02 -0500 |
| commit | c973788346e984a3d91f443008fdd613c30e3185 (patch) | |
| tree | 79cb3f4d27216b8045641af22540403e822b2bd3 /src/ssdt-pcihp.dsl | |
| parent | 70451b69250746f14100bd3c59692150111a096d (diff) | |
| download | seabios-hppa-c973788346e984a3d91f443008fdd613c30e3185.zip seabios-hppa-c973788346e984a3d91f443008fdd613c30e3185.tar.gz seabios-hppa-c973788346e984a3d91f443008fdd613c30e3185.tar.bz2 | |
acpi: add ssdt for pci hotplug
The point of this split is to make runtime patching easier.
DSDT is required to supply: PCI0 - PCI root device object;
PCEJ - Method object to eject a PCI slot.
Additionally, SSDT is required to supply PCNT - Method object to notify
OSPM of a PCI slot event.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'src/ssdt-pcihp.dsl')
| -rw-r--r-- | src/ssdt-pcihp.dsl | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/src/ssdt-pcihp.dsl b/src/ssdt-pcihp.dsl new file mode 100644 index 0000000..72d1bb7 --- /dev/null +++ b/src/ssdt-pcihp.dsl @@ -0,0 +1,132 @@ +ACPI_EXTRACT_ALL_CODE ssdp_pcihp_aml + +DefinitionBlock ("ssdt-pcihp.aml", "SSDT", 0x01, "BXPC", "BXSSDTPCIHP", 0x1) +{ + +/**************************************************************** + * PCI hotplug + ****************************************************************/ + + /* Objects supplied by DSDT */ + External (\_SB.PCI0, DeviceObj) + External (\_SB.PCI0.PRMV, MethodObj) + External (\_SB.PCI0.PCEJ, MethodObj) + + Scope(\_SB.PCI0) { + +#define gen_pci_device(slot) \ + Device(SL##slot) { \ + Name (_ADR, 0x##slot##0000) \ + Method (_RMV) { Return (PRMV(0x##slot)) } \ + Name (_SUN, 0x##slot) \ + } + + /* VGA (slot 1) and ISA bus (slot 2) defined in DSDT */ + gen_pci_device(03) + gen_pci_device(04) + gen_pci_device(05) + gen_pci_device(06) + gen_pci_device(07) + gen_pci_device(08) + gen_pci_device(09) + gen_pci_device(0a) + gen_pci_device(0b) + gen_pci_device(0c) + gen_pci_device(0d) + gen_pci_device(0e) + gen_pci_device(0f) + gen_pci_device(10) + gen_pci_device(11) + gen_pci_device(12) + gen_pci_device(13) + gen_pci_device(14) + gen_pci_device(15) + gen_pci_device(16) + gen_pci_device(17) + gen_pci_device(18) + gen_pci_device(19) + gen_pci_device(1a) + gen_pci_device(1b) + gen_pci_device(1c) + gen_pci_device(1d) + gen_pci_device(1e) + gen_pci_device(1f) + + /* Bulk generated PCI hotplug devices */ +#define hotplug_slot(slot) \ + Device (S##slot) { \ + Name (_ADR, 0x##slot##0000) \ + Method (_EJ0, 1) { Return(PCEJ(0x##slot)) } \ + Name (_SUN, 0x##slot) \ + } + + hotplug_slot(01) + hotplug_slot(02) + hotplug_slot(03) + hotplug_slot(04) + hotplug_slot(05) + hotplug_slot(06) + hotplug_slot(07) + hotplug_slot(08) + hotplug_slot(09) + hotplug_slot(0a) + hotplug_slot(0b) + hotplug_slot(0c) + hotplug_slot(0d) + hotplug_slot(0e) + hotplug_slot(0f) + hotplug_slot(10) + hotplug_slot(11) + hotplug_slot(12) + hotplug_slot(13) + hotplug_slot(14) + hotplug_slot(15) + hotplug_slot(16) + hotplug_slot(17) + hotplug_slot(18) + hotplug_slot(19) + hotplug_slot(1a) + hotplug_slot(1b) + hotplug_slot(1c) + hotplug_slot(1d) + hotplug_slot(1e) + hotplug_slot(1f) + +#define gen_pci_hotplug(slot) \ + If (LEqual(Arg0, 0x##slot)) { Notify(S##slot, Arg1) } + + Method(PCNT, 2) { + gen_pci_hotplug(01) + gen_pci_hotplug(02) + gen_pci_hotplug(03) + gen_pci_hotplug(04) + gen_pci_hotplug(05) + gen_pci_hotplug(06) + gen_pci_hotplug(07) + gen_pci_hotplug(08) + gen_pci_hotplug(09) + gen_pci_hotplug(0a) + gen_pci_hotplug(0b) + gen_pci_hotplug(0c) + gen_pci_hotplug(0d) + gen_pci_hotplug(0e) + gen_pci_hotplug(0f) + gen_pci_hotplug(10) + gen_pci_hotplug(11) + gen_pci_hotplug(12) + gen_pci_hotplug(13) + gen_pci_hotplug(14) + gen_pci_hotplug(15) + gen_pci_hotplug(16) + gen_pci_hotplug(17) + gen_pci_hotplug(18) + gen_pci_hotplug(19) + gen_pci_hotplug(1a) + gen_pci_hotplug(1b) + gen_pci_hotplug(1c) + gen_pci_hotplug(1d) + gen_pci_hotplug(1e) + gen_pci_hotplug(1f) + } + } +} |