diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieInitLibV4/PcieSmuVidReqV4.esl')
| -rw-r--r-- | src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieInitLibV4/PcieSmuVidReqV4.esl | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieInitLibV4/PcieSmuVidReqV4.esl b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieInitLibV4/PcieSmuVidReqV4.esl new file mode 100644 index 0000000000..b91ea6c028 --- /dev/null +++ b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieInitLibV4/PcieSmuVidReqV4.esl @@ -0,0 +1,124 @@ +/** + * @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 2008 - 2012 ADVANCED MICRO DEVICES, INC. All Rights Reserved. +* +* AMD is granting you permission to use this software (the Materials) +* pursuant to the terms and conditions of your Software License Agreement +* with AMD. This header does *NOT* give you permission to use the Materials +* or any rights under AMD's intellectual property. Your use of any portion +* of these Materials shall constitute your acceptance of those terms and +* conditions. If you do not agree to the terms and conditions of the Software +* License Agreement, please do not use any portion of these Materials. +* +* CONFIDENTIALITY: The Materials and all other information, identified as +* confidential and provided to you by AMD shall be kept confidential in +* accordance with the terms and conditions of the Software License Agreement. +* +* LIMITATION OF LIABILITY: THE MATERIALS AND ANY OTHER RELATED INFORMATION +* PROVIDED TO YOU BY AMD ARE PROVIDED "AS IS" WITHOUT ANY EXPRESS OR IMPLIED +* WARRANTY OF ANY KIND, INCLUDING BUT NOT LIMITED TO WARRANTIES OF +* MERCHANTABILITY, NONINFRINGEMENT, TITLE, FITNESS FOR ANY PARTICULAR PURPOSE, +* OR WARRANTIES ARISING FROM CONDUCT, COURSE OF DEALING, OR USAGE OF TRADE. +* IN NO EVENT SHALL AMD OR ITS LICENSORS BE LIABLE FOR ANY DAMAGES WHATSOEVER +* (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS, BUSINESS +* INTERRUPTION, OR LOSS OF INFORMATION) ARISING OUT OF AMD'S NEGLIGENCE, +* GROSS NEGLIGENCE, THE USE OF OR INABILITY TO USE THE MATERIALS OR ANY OTHER +* RELATED INFORMATION PROVIDED TO YOU BY AMD, EVEN IF AMD HAS BEEN ADVISED OF +* THE POSSIBILITY OF SUCH DAMAGES. BECAUSE SOME JURISDICTIONS PROHIBIT THE +* EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES, +* THE ABOVE LIMITATION MAY NOT APPLY TO YOU. +* +* AMD does not assume any responsibility for any errors which may appear in +* the Materials or any other related information provided to you by AMD, or +* result from use of the Materials or any related information. +* +* You agree that you will not reverse engineer or decompile the Materials. +* +* NO SUPPORT OBLIGATION: AMD is not obligated to furnish, support, or make any +* further information, software, technical information, know-how, or show-how +* available to you. Additionally, AMD retains the right to modify the +* Materials at any time, without notice, and is not obligated to provide such +* modified Materials to you. +* +* U.S. GOVERNMENT RESTRICTED RIGHTS: The Materials are provided with +* "RESTRICTED RIGHTS." Use, duplication, or disclosure by the Government is +* subject to the restrictions as set forth in FAR 52.227-14 and +* DFAR252.227-7013, et seq., or its successor. Use of the Materials by the +* Government constitutes acknowledgement of AMD's proprietary rights in them. +* +* EXPORT ASSURANCE: You agree and certify that neither the Materials, nor any +* direct product thereof will be exported directly or indirectly, into any +* country prohibited by the United States Export Administration Act and the +* regulations thereunder, without the required authorization from the U.S. +* government nor will be used for any purpose prohibited by the same. +* *************************************************************************** +* +*/ + + + + /*----------------------------------------------------------------------------------------*/ + /** + * Request VID + * + * Arg0 - 1 - GEN1 2 - GEN2 + * Arg1 - 0 = do not wait intil voltage is set + * 1 = wait until voltage is set + */ + Method (procPcieSetVoltage, 2, Serialized) { + Store ("PcieSetVoltage Enter", Debug) + // Get real vid by index + if (LEqual (Arg0, DEF_LINK_SPEED_GEN1)) { + Store (DeRefOf (Index (varSclkVid, varGen1Vid)), local3) + } else { + Store (DeRefOf (Index (varSclkVid, varGen2Vid)), local3) + } + + // GMMx63C/GMMx640 -- CG_Reg = reg - 0x600 + // Store REQ in local2 + And (procIndirectRegisterRead (0x0, 0xB8, 0xE000203C), 0x4, Local2) + // Store ACK in local1 + And (procIndirectRegisterRead (0x0, 0xB8, 0xE0002040), 0x1, Local1) + // Compare REQ with ACK + while (LNotEqual (ShiftLeft(Local1, 0x2), Local2)) { + And (procIndirectRegisterRead (0x0, 0xB8, 0xE0002040), 0x1, Local1) + } + Store (procIndirectRegisterRead (0x0, 0xB8, 0xE000203C), Local1) + //Enable voltage change + if (LEqual (Arg0, DEF_LINK_SPEED_GEN1)) { + And (Local1, 0xFFFFFFFD, Local1) + } else { + Or (Local1, 0x2, Local1) + } + procIndirectRegisterWrite (0x0, 0xB8, 0xE000203C, Local1) + //Clear voltage index + And (Local1, Not (ShiftLeft (0xFF, 8)), Local1) + + Store (Concatenate (" Voltage Index:", ToHexString (local3), Local6), Debug) + //Set new voltage index + Or (Local1, ShiftLeft (local3, 8), Local1) + //Togle request + And (Not (Local1), 0x4, Local2) + Or (And (Local1, Not (0x4)), Local2, Local1) + procIndirectRegisterWrite (0x0, 0xB8, 0xE000203C, Local1) + if (LNotEqual (Arg1, 0)) { + while (LNotEqual (ShiftLeft(Local1, 0x2), Local2)) { + And (procIndirectRegisterRead (0x0, 0xB8, 0xE0002040), 0x1, Local1) + } + } + Store ("PcieSetVoltage Exit", Debug) + } |