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/** @file
Initializes PCH USB Controllers.
@copyright
Copyright (c) 2009 - 2013 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 "PchInitPeim.h"
/**
The function performing USB init in PEI phase. This could be used by USB recovery
or debug features that need USB initialization during PEI phase.
Note: Before executing this function, please be sure that PCH_INIT_PPI.Initialize
has been done and PchUsbPolicyPpi has been installed.
@param[in] PeiServices General purpose services available to every PEIM
@retval EFI_SUCCESS The function completed successfully
@retval Others All other error conditions encountered result in an ASSERT.
**/
EFI_STATUS
EFIAPI
PchUsbInit (
IN EFI_PEI_SERVICES **PeiServices
)
{
EFI_STATUS Status;
PCH_USB_POLICY_PPI *PchUsbPolicyPpi;
DEBUG ((EFI_D_INFO, "PchUsbInit() - Start\n"));
///
/// Get PchUsbPolicy PPI for PCH_USB_CONFIG
///
Status = (**PeiServices).LocatePpi (
PeiServices,
&gPchUsbPolicyPpiGuid,
0,
NULL,
(VOID **)&PchUsbPolicyPpi
);
if (Status == EFI_SUCCESS) {
#ifdef EFI_DEBUG
DEBUG ((EFI_D_INFO, "\n------------------------ PchUsbPolicyPpi Dump Begin -----------------\n"));
DEBUG ((EFI_D_INFO, "Revision : 0x%x\n", PchUsbPolicyPpi->Revision));
DEBUG ((EFI_D_INFO, "Mode : 0x%x\n", PchUsbPolicyPpi->Mode));
DEBUG ((EFI_D_INFO, "EhciMemBaseAddr : 0x%x\n", PchUsbPolicyPpi->EhciMemBaseAddr));
DEBUG ((EFI_D_INFO, "EhciMemLength : 0x%x\n", PchUsbPolicyPpi->EhciMemLength));
DEBUG ((EFI_D_INFO, "XhciMemBaseAddr : 0x%x\n", PchUsbPolicyPpi->XhciMemBaseAddr));
#endif
Status = PchStartUsbInit (
PchUsbPolicyPpi->UsbConfig,
(UINT32) PchUsbPolicyPpi->EhciMemBaseAddr,
(UINT32) PchUsbPolicyPpi->XhciMemBaseAddr,
PchUsbPolicyPpi->Revision
);
#ifdef EFI_DEBUG
DEBUG ((EFI_D_INFO, "\n"));
DEBUG ((EFI_D_INFO, "\n------------------------ PchUsbPolicyPpi Dump End -----------------\n"));
#endif
}
DEBUG ((EFI_D_INFO, "PchUsbInit() - End\n"));
return Status;
}
/**
The function performing USB init in PEI phase. This could be
used by USB recovery ,debug features or usb precondition
enabled case that need USB initialization during PEI phase.
Please be sure the function should not be executed in if the
boot mode is S3 resume.
@param[in] UsbConfig Pointer to a PCH_USB_CONFIG that provides the platform setting
@param[in] EhciMemBaseAddr Predefined Ehci memory base address for Ehci hc configuration
@param[in] XhciMemBaseAddr Predefined Xhci memory base address for Xhci hc configuration
@param[in] Revision Revision of PCH_USB_CONFIG
@retval EFI_SUCCESS The function completed successfully
@retval Others All other error conditions encountered result in an ASSERT
**/
EFI_STATUS
PchStartUsbInit (
IN PCH_USB_CONFIG *UsbConfig,
IN UINT32 EhciMemBaseAddr,
IN UINT32 XhciMemBaseAddr,
IN UINT8 Revision
)
{
EFI_STATUS Status;
UINT32 RootComplexBar;
UINT32 FuncDisableReg;
#ifdef EFI_DEBUG
UINT8 i;
#endif
DEBUG ((EFI_D_INFO, "PchStartUsbInit() - Start\n"));
Status = EFI_INVALID_PARAMETER;
if (UsbConfig != NULL) {
#ifdef EFI_DEBUG
DEBUG ((EFI_D_INFO, "Revision : 0x%x\n", Revision));
DEBUG ((EFI_D_INFO, "EhciMemBaseAddr : 0x%x\n", EhciMemBaseAddr));
DEBUG ((EFI_D_INFO, "XhciMemBaseAddr : 0x%x\n", XhciMemBaseAddr));
DEBUG ((EFI_D_INFO, "\n"));
DEBUG ((EFI_D_INFO, "------------------------ PCH_USB_CONFIG Dump Start -----------------\n"));
DEBUG ((EFI_D_INFO, " PCH_USB_CONFIG UsbPerPortCtl= %x\n", UsbConfig->UsbPerPortCtl));
DEBUG ((EFI_D_INFO, " PCH_USB_CONFIG Ehci1Usbr= %x\n", UsbConfig->Ehci1Usbr));
DEBUG ((EFI_D_INFO, " PCH_USB_CONFIG Ehci2Usbr= %x\n", UsbConfig->Ehci2Usbr));
for (i = 0; i < GetPchUsbMaxPhysicalPortNum (); i++) {
DEBUG ((EFI_D_INFO, " PCH_USB_CONFIG PortSettings[%d] Enabled= %x\n", i, UsbConfig->PortSettings[i].Enable));
DEBUG ((EFI_D_INFO, " PCH_USB_CONFIG PortSettings[%d] Location = %x\n", i, UsbConfig->PortSettings[i].Location));
}
for (i = 0; i < GetPchXhciMaxUsb3PortNum (); i++) {
DEBUG ((EFI_D_INFO, " PCH_USB_CONFIG Port30Settings[%d] Enabled= %x\n", i, UsbConfig->Port30Settings[i].Enable));
}
for (i = 0; i < GetPchEhciMaxControllerNum (); i++) {
DEBUG ((EFI_D_INFO, " PCH_USB_CONFIG Usb20Settings[%d] Enabled= %x\n", i, UsbConfig->Usb20Settings[i].Enable));
}
DEBUG ((EFI_D_INFO, " PCH_USB_CONFIG Usb30Settings.Mode= %x\n", UsbConfig->Usb30Settings.Mode));
DEBUG ((EFI_D_INFO, " PCH_USB_CONFIG Usb30Settings.PreBootSupport= %x\n", UsbConfig->Usb30Settings.PreBootSupport));
DEBUG ((EFI_D_INFO, " XhciStreams is obsoleted, it doesn't effect any setting change since Revision 2.\n"));
DEBUG ((EFI_D_INFO, " PCH_USB_CONFIG Usb30Settings.ManualMode= %x\n", UsbConfig->Usb30Settings.ManualMode));
DEBUG ((EFI_D_INFO, " PCH_USB_CONFIG Usb30Settings.XhciIdleL1= %x\n", UsbConfig->Usb30Settings.XhciIdleL1));
for (i = 0; i < GetPchUsbMaxPhysicalPortNum (); i++) {
if (UsbConfig->Usb30Settings.ManualModeUsb20PerPinRoute[i] == 0) {
DEBUG ((EFI_D_INFO, " PCH_USB_CONFIG Usb30Settings.ManualModeUsb20PerPinRoute[%d]= EHCI\n", i));
} else {
DEBUG ((EFI_D_INFO, " PCH_USB_CONFIG Usb30Settings.ManualModeUsb20PerPinRoute[%d]= XHCI\n", i));
}
}
for (i = 0; i < GetPchXhciMaxUsb3PortNum (); i++) {
DEBUG ((EFI_D_INFO,
"PCH_USB_CONFIG Usb30Settings.ManualModeUsb30PerPinEnable[%d]= %x\n",
i,
UsbConfig->Usb30Settings.ManualModeUsb30PerPinEnable[i]));
}
for (i = 0; i < GetPchUsbMaxPhysicalPortNum (); i++) {
DEBUG ((EFI_D_INFO, " PCH_USB_CONFIG Usb20OverCurrentPins[%d]= OC%x\n", i, UsbConfig->Usb20OverCurrentPins[i]));
}
for (i = 0; i < GetPchXhciMaxUsb3PortNum (); i++) {
DEBUG ((EFI_D_INFO, " PCH_USB_CONFIG Usb30OverCurrentPins[%d]= OC%x\n", i, UsbConfig->Usb30OverCurrentPins[i]));
}
for (i = 0; i < GetPchEhciMaxUsbPortNum (); i++) {
DEBUG ((EFI_D_INFO, " PCH_USB_CONFIG Usb20PortLength[%d]= %x.%0x\n", i, UsbConfig->PortSettings[i].Usb20PortLength >> 4, UsbConfig->PortSettings[i].Usb20PortLength & 0xF));
}
DEBUG ((EFI_D_INFO, "\n"));
DEBUG ((EFI_D_INFO, "\n------------------------ PCH_USB_CONFIG Dump End -----------------\n"));
#endif
RootComplexBar = PCH_RCRB_BASE;
FuncDisableReg = MmioRead32 (RootComplexBar + R_PCH_RCRB_FUNC_DIS);
Status = CommonUsbInit (
UsbConfig,
(UINT32) EhciMemBaseAddr,
(UINT32) XhciMemBaseAddr,
0,
RootComplexBar,
&FuncDisableReg,
Revision
);
ASSERT_EFI_ERROR (Status);
MmioWrite32 ((UINTN) (RootComplexBar + R_PCH_RCRB_FUNC_DIS), (UINT32) (FuncDisableReg));
//
// Reads back for posted write to take effect
//
MmioRead32 ((UINTN) (RootComplexBar + R_PCH_RCRB_FUNC_DIS));
}
DEBUG ((EFI_D_INFO, "PchStartUsbInit() - End\n"));
return Status;
}
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