diff options
Diffstat (limited to 'MdeModulePkg')
| -rw-r--r-- | MdeModulePkg/Bus/Pci/PciBusDxe/PciBus.c | 6 | ||||
| -rw-r--r-- | MdeModulePkg/Bus/Pci/PciBusDxe/PciBusDxe.inf | 1 | ||||
| -rw-r--r-- | MdeModulePkg/MdeModulePkg.dec | 3 |
3 files changed, 9 insertions, 1 deletions
diff --git a/MdeModulePkg/Bus/Pci/PciBusDxe/PciBus.c b/MdeModulePkg/Bus/Pci/PciBusDxe/PciBus.c index 5afbb82298..2252235bce 100644 --- a/MdeModulePkg/Bus/Pci/PciBusDxe/PciBus.c +++ b/MdeModulePkg/Bus/Pci/PciBusDxe/PciBus.c @@ -284,7 +284,11 @@ PciBusDriverBindingStart ( );
}
- gFullEnumeration = (BOOLEAN) ((SearchHostBridgeHandle (Controller) ? FALSE : TRUE));
+ if (PcdGetBool (PcdPciDisableBusEnumeration)) {
+ gFullEnumeration = FALSE;
+ } else {
+ gFullEnumeration = (BOOLEAN) ((SearchHostBridgeHandle (Controller) ? FALSE : TRUE));
+ }
//
// Open Device Path Protocol for PCI root bridge
diff --git a/MdeModulePkg/Bus/Pci/PciBusDxe/PciBusDxe.inf b/MdeModulePkg/Bus/Pci/PciBusDxe/PciBusDxe.inf index 34eb672df1..917889ca0a 100644 --- a/MdeModulePkg/Bus/Pci/PciBusDxe/PciBusDxe.inf +++ b/MdeModulePkg/Bus/Pci/PciBusDxe/PciBusDxe.inf @@ -108,6 +108,7 @@ gEfiMdeModulePkgTokenSpaceGuid.PcdSrIovSupport
gEfiMdeModulePkgTokenSpaceGuid.PcdAriSupport
gEfiMdeModulePkgTokenSpaceGuid.PcdMrIovSupport
+ gEfiMdeModulePkgTokenSpaceGuid.PcdPciDisableBusEnumeration
# [Event]
# ##
diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec index b627eb101c..51984510d6 100644 --- a/MdeModulePkg/MdeModulePkg.dec +++ b/MdeModulePkg/MdeModulePkg.dec @@ -878,6 +878,9 @@ ## This PCD specified whether the S.M.A.R.T feature of attached ATA hard disks are enabled.
gEfiMdeModulePkgTokenSpaceGuid.PcdAtaSmartEnable|TRUE|BOOLEAN|0x00010065
+ ## This PCD specifies whether full PCI enumeration is disabled.
+ gEfiMdeModulePkgTokenSpaceGuid.PcdPciDisableBusEnumeration|FALSE|BOOLEAN|0x10000048
+
[PcdsPatchableInModule]
## Specify memory size with page number for PEI code when
# the feature of Loading Module at Fixed Address is enabled
|