projects / qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 74523b85 MT |
1 | /* |
| 2 | * This program is free software; you can redistribute it and/or modify | |
| 3 | * it under the terms of the GNU General Public License as published by | |
| 4 | * the Free Software Foundation; either version 2 of the License, or | |
| 5 | * (at your option) any later version. | |
| 6 | ||
| 7 | * This program is distributed in the hope that it will be useful, | |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 10 | * GNU General Public License for more details. | |
| 11 | ||
| 12 | * You should have received a copy of the GNU General Public License along | |
| 13 | * with this program; if not, see <http://www.gnu.org/licenses/>. | |
| 14 | */ | |
| 15 | ||
| 16 | ACPI_EXTRACT_ALL_CODE ssdp_pcihp_aml | |
| 17 | ||
| 18 | DefinitionBlock ("ssdt-pcihp.aml", "SSDT", 0x01, "BXPC", "BXSSDTPCIHP", 0x1) | |
| 19 | { | |
| 20 | ||
| 21 | /**************************************************************** | |
| 22 | * PCI hotplug | |
| 23 | ****************************************************************/ | |
| 24 | ||
| 25 | /* Objects supplied by DSDT */ | |
| 26 | External(\_SB.PCI0, DeviceObj) | |
| 27 | External(\_SB.PCI0.PCEJ, MethodObj) | |
| 28 | ||
| 29 | Scope(\_SB.PCI0) { | |
| 30 | ||
| 31 | /* Bulk generated PCI hotplug devices */ | |
| 32 | ACPI_EXTRACT_DEVICE_START ssdt_pcihp_start | |
| 33 | ACPI_EXTRACT_DEVICE_END ssdt_pcihp_end | |
| 34 | ACPI_EXTRACT_DEVICE_STRING ssdt_pcihp_name | |
| 35 | ||
| 36 | // Method _EJ0 can be patched by BIOS to EJ0_ | |
| 37 | // at runtime, if the slot is detected to not support hotplug. | |
| 38 | // Extract the offset of the address dword and the | |
| 39 | // _EJ0 name to allow this patching. | |
| 40 | Device(SAA) { | |
| 41 | ACPI_EXTRACT_NAME_BYTE_CONST ssdt_pcihp_id | |
| 42 | Name(_SUN, 0xAA) | |
| 43 | ACPI_EXTRACT_NAME_DWORD_CONST ssdt_pcihp_adr | |
| 44 | Name(_ADR, 0xAA0000) | |
| 45 | ACPI_EXTRACT_METHOD_STRING ssdt_pcihp_ej0 | |
| 46 | Method(_EJ0, 1) { | |
| 47 | Return (PCEJ(_SUN)) | |
| 48 | } | |
| 49 | } | |
| 50 | } | |
| 51 | } |