diff options
| -rw-r--r-- | MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.c | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.c b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.c index 4c64da3b20..d73fa10a35 100644 --- a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.c +++ b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.c @@ -154,19 +154,36 @@ SdMmcHcRwMmio ( )
{
EFI_STATUS Status;
+ EFI_PCI_IO_PROTOCOL_WIDTH Width;
if ((PciIo == NULL) || (Data == NULL)) {
return EFI_INVALID_PARAMETER;
}
- if ((Count != 1) && (Count != 2) && (Count != 4) && (Count != 8)) {
- return EFI_INVALID_PARAMETER;
+ switch (Count) {
+ case 1:
+ Width = EfiPciIoWidthUint8;
+ break;
+ case 2:
+ Width = EfiPciIoWidthUint16;
+ Count = 1;
+ break;
+ case 4:
+ Width = EfiPciIoWidthUint32;
+ Count = 1;
+ break;
+ case 8:
+ Width = EfiPciIoWidthUint32;
+ Count = 2;
+ break;
+ default:
+ return EFI_INVALID_PARAMETER;
}
if (Read) {
Status = PciIo->Mem.Read (
PciIo,
- EfiPciIoWidthUint8,
+ Width,
BarIndex,
(UINT64) Offset,
Count,
@@ -175,7 +192,7 @@ SdMmcHcRwMmio ( } else {
Status = PciIo->Mem.Write (
PciIo,
- EfiPciIoWidthUint8,
+ Width,
BarIndex,
(UINT64) Offset,
Count,
|