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MdeModulePkg EhciPei: Support IoMmu

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V2: Halt HC at EndOfPei.

Update the EhciPei driver to consume IOMMU_PPI to allocate DMA buffer.

If no IOMMU_PPI exists, this driver still calls PEI service to allocate
DMA buffer, with assumption that DRAM==DMA.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
This commit is contained in:
Star Zeng
2017-11-15 13:35:11 +08:00
parent 2930ef9809
commit 2c656af04d
8 changed files with 551 additions and 46 deletions
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40
MdeModulePkg/Bus/Pci/EhciPei/EhcPeim.c
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@@ -2,7 +2,7 @@
PEIM to produce gPeiUsb2HostControllerPpiGuid based on gPeiUsbControllerPpiGuid
which is used to enable recovery function from USB Drivers.
Copyright (c) 2010 - 2016, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2010 - 2017, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
@@ -1140,6 +1140,36 @@ ON_EXIT:
return Status;
}
/**
One notified function to stop the Host Controller at the end of PEI
@param[in] PeiServices Pointer to PEI Services Table.
@param[in] NotifyDescriptor Pointer to the descriptor for the Notification event that
caused this function to execute.
@param[in] Ppi Pointer to the PPI data associated with this function.
@retval EFI_SUCCESS The function completes successfully
@retval others
**/
EFI_STATUS
EFIAPI
EhcEndOfPei (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,
IN VOID *Ppi
)
{
PEI_USB2_HC_DEV *Ehc;
Ehc = PEI_RECOVERY_USB_EHC_DEV_FROM_THIS_NOTIFY (NotifyDescriptor);
EhcHaltHC (Ehc, EHC_GENERIC_TIMEOUT);
EhcFreeSched (Ehc);
return EFI_SUCCESS;
}
/**
@param FileHandle Handle of the file being invoked.
@param PeiServices Describes the list of possible PEI Services.
@@ -1219,6 +1249,8 @@ EhcPeimEntry (
EhcDev->Signature = USB2_HC_DEV_SIGNATURE;
IoMmuInit (&EhcDev->IoMmu);
EhcDev->UsbHostControllerBaseAddress = (UINT32) BaseAddress;
@@ -1250,6 +1282,12 @@ EhcPeimEntry (
continue;
}
EhcDev->EndOfPeiNotifyList.Flags = (EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST);
EhcDev->EndOfPeiNotifyList.Guid = &gEfiEndOfPeiSignalPpiGuid;
EhcDev->EndOfPeiNotifyList.Notify = EhcEndOfPei;
PeiServicesNotifyPpi (&EhcDev->EndOfPeiNotifyList);
Index++;
}