From: Reza Jelveh <reza.jel...@tuhh.de>
GetChannelInfo is called to initialize the SataController when
enumerating ports.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Reza Jelveh <reza.jel...@tuhh.de>
---
MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AhciMode.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AhciMode.c
b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AhciMode.c
index 487f516..92af9e4 100644
--- a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AhciMode.c
+++ b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AhciMode.c
@@ -2211,6 +2211,7 @@ AhciModeInitialization (
EFI_PCI_IO_PROTOCOL *PciIo;
EFI_IDE_CONTROLLER_INIT_PROTOCOL *IdeInit;
UINT32 Capability;
+ BOOLEAN ChannelEnabled;
UINT8 MaxPortNumber;
UINT32 PortImplementBitMap;
@@ -2282,6 +2283,21 @@ AhciModeInitialization (
IdeInit->NotifyPhase (IdeInit, EfiIdeBeforeChannelEnumeration, Port);
+ Status = IdeInit->GetChannelInfo (
+ IdeInit,
+ Port,
+ &ChannelEnabled,
+ &MaxPortNumber
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "[GetChannel, Status=%x]", Status));
+ continue;
+ }
+
+ if (!ChannelEnabled) {
+ continue;
+ }
+
//
// Initialize FIS Base Address Register and Command List Base Address
Register for use.
//
--
1.9.2
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