src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x10/RevD/F10RevD32.asm

;/**
; * @file
; *
; * AGESA Family 10h Revision D support routines.
; *
; * @xrefitem bom "File Content Label" "Release Content"
; * @e project:      AGESA
; * @e sub-project:  CPU/F10
; * @e \$Revision: 23714 $   @e \$Date: 2009-12-10 07:28:37 +0800 (Thu, 10 Dec 2009) $
; */
;*****************************************************************************
; 
;  Copyright (c) 2011, Advanced Micro Devices, Inc.
;  All rights reserved.
;  
;  Redistribution and use in source and binary forms, with or without
;  modification, are permitted provided that the following conditions are met:
;      * Redistributions of source code must retain the above copyright
;        notice, this list of conditions and the following disclaimer.
;      * Redistributions in binary form must reproduce the above copyright
;        notice, this list of conditions and the following disclaimer in the
;        documentation and/or other materials provided with the distribution.
;      * Neither the name of Advanced Micro Devices, Inc. nor the names of 
;        its contributors may be used to endorse or promote products derived 
;        from this software without specific prior written permission.
;  
;  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
;  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
;  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
;  DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY
;  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
;  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
;  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
;  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
;  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
;  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
;  
;*****************************************************************************

    .XLIST
    .LIST

    .586P

;===============================================
;===============================================
;==
;== M E M O R Y   P R E S E N T   S E G M E N T
;==
;===============================================
;===============================================
    .MODEL flat
    .CODE

;======================================================================
; F10RevDProbeFilterCritical:  Performs critical sequence for probe
;                              filter initialization.
;
;   In:
;       PciAddress      Full PCI address of the node to init
;       PciRegister     Current value of F3x1D4
;
;
;   Out:
;       None
;
;   Destroyed:
;       None
;
;======================================================================
F10RevDProbeFilterCritical PROC NEAR C PUBLIC USES EAX ECX EDX, PciAddress:DWORD, PciRegister:DWORD

  mov    ecx, 0C001001Fh
  rdmsr
  push   eax
  push   ecx
  push   edx
  or     dh, 40h
  wrmsr

  mov    eax, 810003D4h

  mov    ecx, PciRegister
  mov    edx, PciAddress
  shr    edx, 4
  and    dh, 0F8h
  or     ah, dh

  or     cl, 2
  db     0Fh, 0AEh, 0F0h  ; MFENCE

  mov    dx, 0CF8h        ; Set Reg Config Space
  db     0Fh, 0AEh, 0F0h  ; MFENCE

  out    dx, eax
  db     0Fh, 0AEh, 0F0h  ; MFENCE

  mov    dl, 0FCh         ; Set DX to Pci Config Data
  mov    eax, ecx         ;Set config Reg data
  db     0Fh, 0AEh, 0F0h  ; MFENCE

  out    dx, eax          ; move data to return position
  db     0Fh, 0AEh, 0F0h  ; MFENCE

  pop    edx
  pop    ecx
  pop    eax
  wrmsr
  ret

F10RevDProbeFilterCritical ENDP

END