src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieInitLibV4/PcieSmuServiceV4.esl

/**
 * @file
 *
 * ALIB PSPP Pcie Smu Lib V1
 *
 *
 *
 * @xrefitem bom "File Content Label" "Release Content"
 * @e project:     AGESA
 * @e sub-project: GNB
 * @e \$Revision: 63425 $   @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $
 *
 */
/*
*****************************************************************************
*
 * Copyright (c) 2008 - 2012, 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.
* ***************************************************************************
*
*/

  /*----------------------------------------------------------------------------------------*/
  /**
   *  SMU Service request
   *
   *  Arg0 - Smu service id
   *
   */
  Method (procNbSmuServiceRequest, 1, NotSerialized) {
    Store ("NbSmuServiceRequest Enter", Debug)
    Store (Concatenate ("  Request id = ", ToHexString (Arg0), Local6), Debug)

    while (LNotEqual (And (procIndirectRegisterRead (0x0, 0xB8, 0xE0003004), 0x2), 0x2)) {
      Store ("--Wait Init Done--", Debug)
    }

    Store (procIndirectRegisterRead (0x0, 0xB8, 0xE0003000), Local0)
    // Reverse IntToggle[0], clean ServiceIndex[16:1]
    Or (And (Local0, 0xFFFE0000), And (Not (And (Local0, 0x00000001)), 0x1), Local0)
    // Assign ID
    Or (Local0, ShiftLeft (Arg0, 1), Local0)
    procIndirectRegisterWrite (0x0, 0xB8, 0xE0003000, Local0)

    while (LNotEqual (And (procIndirectRegisterRead (0x0, 0xB8, 0xE0003004), 0x1), 0x1)) {
      Store ("--Wait Init Ack--", Debug)
    }

    while (LNotEqual (And (procIndirectRegisterRead (0x0, 0xB8, 0xE0003004), 0x2), 0x2)) {
      Store ("--Wait Init Done--", Debug)
    }

    Store ("NbSmuServiceRequest Exit", Debug)
  }