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/** @file
Pch Usb Pei Init
@copyright
Copyright (c) 2009 - 2012 Intel Corporation. All rights reserved
This software and associated documentation (if any) is furnished
under a license and may only be used or copied in accordance
with the terms of the license. Except as permitted by such
license, no part of this software or documentation may be
reproduced, stored in a retrieval system, or transmitted in any
form or by any means without the express written consent of
Intel Corporation.
This file contains an 'Intel Peripheral Driver' and uniquely
identified as "Intel Reference Module" and is
licensed for Intel CPUs and chipsets under the terms of your
license agreement with Intel or your vendor. This file may
be modified by the user, subject to additional terms of the
license agreement
**/
#include "PchUsb.h"
/**
Initialize PCH USB PEIM
@param[in] FfsHeader Not used.
@param[in] PeiServices General purpose services available to every PEIM.
@retval EFI_SUCCESS The PCH USB PEIM is initialized successfully
@retval Others All other error conditions encountered result in an ASSERT.
**/
EFI_STATUS
InitializePchUsb (
IN EFI_FFS_FILE_HEADER *FfsHeader,
IN EFI_PEI_SERVICES **PeiServices
)
{
EFI_STATUS Status;
PCH_USB_POLICY_PPI *UsbPolicyPpi;
DEBUG ((EFI_D_INFO, "InitializePchUsb() Start\n"));
///
/// Locate UsbPolicy PPI
///
Status = (**PeiServices).LocatePpi (
PeiServices,
&gPchUsbPolicyPpiGuid,
0,
NULL,
(VOID **) &UsbPolicyPpi
);
ASSERT_EFI_ERROR (Status);
if (Status == EFI_SUCCESS) {
///
/// Enable USB controller and install PeiUsbControllerPpi for USB recovery function
///
switch (UsbPolicyPpi->Mode) {
case EHCI_MODE:
DEBUG ((EFI_D_ERROR, "Usb Recovery Mode : EHCI !\n"));
DEBUG ((EFI_D_ERROR, "EhciMemBaseAddr:%0x!\n", UsbPolicyPpi->EhciMemBaseAddr));
DEBUG ((EFI_D_ERROR, "EhciMemLength:%0x!\n", UsbPolicyPpi->EhciMemLength));
InitForEHCI (PeiServices, UsbPolicyPpi);
break;
default:
ASSERT_EFI_ERROR (EFI_INVALID_PARAMETER);
break;
}
}
DEBUG ((EFI_D_INFO, "InitializePchUsb() End\n"));
return Status;
}
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