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Diffstat (limited to 'src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieAlibV1/PcieAlibPciLib.esl')
| -rw-r--r-- | src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieAlibV1/PcieAlibPciLib.esl | 289 |
1 files changed, 289 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieAlibV1/PcieAlibPciLib.esl b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieAlibV1/PcieAlibPciLib.esl new file mode 100644 index 0000000000..378c0392ef --- /dev/null +++ b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbPcieAlibV1/PcieAlibPciLib.esl @@ -0,0 +1,289 @@ +/** + * @file + * + * ALIB ASL library + * + * + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: GNB + * @e \$Revision: 44324 $ @e \$Date: 2010-12-22 01:16:51 -0800 (Wed, 22 Dec 2010) $ + * + */ +/* +***************************************************************************** +* +* 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. +* *************************************************************************** +* +*/ + + + /*----------------------------------------------------------------------------------------*/ + /** + * Read PCI config register through MMIO + * + * Arg0 - PCI address Bus/device/func + * Arg1 - Register offset + */ + Method (procPciDwordRead, 2, Serialized) { + Add (varPcieBase, ShiftLeft (Arg0, 12), Local0) + Add (Arg1, Local0, Local0) + OperationRegion(varOperationRegionMmio, SystemMemory, Local0, 0x4) + Field(varOperationRegionMmio, DWordAcc, NoLock, Preserve) { + Offset (0x0), + varPciReg32, 32, + } + return (varPciReg32) + } + /*----------------------------------------------------------------------------------------*/ + /** + * Write PCI config register through MMIO + * + * Arg0 - PCI address Bus/device/func + * Arg1 - Register offset + * Arg2 - Value + */ + Method (procPciDwordWrite, 3, Serialized) { + Add (varPcieBase, ShiftLeft (Arg0, 12), Local0) + Add (Arg1, Local0, Local0) + OperationRegion(varOperationRegionMmio, SystemMemory, Local0, 0x4) + Field(varOperationRegionMmio, DWordAcc, NoLock, Preserve) { + Offset (0x0), + varPciReg32, 32, + } + Store (Arg2, varPciReg32) + } + /*----------------------------------------------------------------------------------------*/ + /** + * Write PCI config register through MMIO + * + * Arg0 - PCI address Bus/device/func + * Arg1 - Register offset + * Arg2 - AND mask + * Arg3 - OR mask + */ + Method (procPciDwordRMW, 4, Serialized) { + Store (procPciDwordRead (Arg0, Arg1), Local0) + Or (And (Local0, Arg2), Arg3, Local0) + procPciDwordWrite (Arg0, Arg1, Local0) + } + + Mutex(varPciePortAccessMutex, 0) + /*----------------------------------------------------------------------------------------*/ + /** + * Read PCIe port indirect register + * + * Arg0 - Port Index + * Arg1 - Register offset + * + */ + Method (procPciePortIndirectRegisterRead, 2, NotSerialized) { + Acquire(varPciePortAccessMutex, 0xFFFF) + Store (ShiftLeft (Add( Arg0, 2), 3), Local0) + procPciDwordWrite (Local0, 0xe0, Arg1) + Store (procPciDwordRead (Local0, 0xe4), Local0) + Release (varPciePortAccessMutex) + return (Local0) + } + + /*----------------------------------------------------------------------------------------*/ + /** + * Write PCIe port indirect register + * + * Arg0 - Port Index + * Arg1 - Register offset + * Arg2 - Value + */ + Method (procPciePortIndirectRegisterWrite, 3, NotSerialized) { + Acquire(varPciePortAccessMutex, 0xFFFF) + Store (ShiftLeft (Add( Arg0, 2), 3), Local0) + procPciDwordWrite (Local0, 0xe0, Arg1) + procPciDwordWrite (Local0, 0xe4, Arg2) + Release (varPciePortAccessMutex) + } + /*----------------------------------------------------------------------------------------*/ + /** + * Read PCIe port indirect register + * + * Arg0 - Port Index + * Arg1 - Register offset + * Arg2 - AND Mask + * Arg3 - OR Mask + * + */ + Method (procPciePortIndirectRegisterRMW, 4, NotSerialized) { + Store (procPciePortIndirectRegisterRead (Arg0, Arg1), Local0) + Or (And (Local0, Arg2), Arg3, Local0) + procPciePortIndirectRegisterWrite (Arg0, Arg1, Local0) + } + Mutex(varHostAccessMutex, 0) + /*----------------------------------------------------------------------------------------*/ + /** + * Read PCIe port indirect register + * + * Arg0 - BDF + * Arg1 - Register offset + * Arg2 - Register address + * + */ + Method (procIndirectRegisterRead, 3, NotSerialized) { + Acquire(varHostAccessMutex, 0xFFFF) + procPciDwordWrite (Arg0, Arg1, Arg2) + Store (procPciDwordRead (Arg0, Add (Arg1, 4)), Local0) + Release(varHostAccessMutex) + return (Local0) + } + + /*----------------------------------------------------------------------------------------*/ + /** + * Write PCIe port indirect register + * + * Arg0 - BDF + * Arg1 - Register offset + * Arg2 - Register address + * Arg3 - Value + */ + Method (procIndirectRegisterWrite, 4, NotSerialized) { + Acquire(varHostAccessMutex, 0xFFFF) + procPciDwordWrite (Arg0, Arg1, Arg2) + procPciDwordWrite (Arg0, Add (Arg1, 4), Arg3) + Release(varHostAccessMutex) + } + + /*----------------------------------------------------------------------------------------*/ + /** + * Read Modify Write indirect registers + * + * Arg0 - BDF + * Arg1 - Register Offset + * Arg2 - Register Address + * Arg3 - AND Mask + * Arg4 - OR Mask + * + */ + Method (procIndirectRegisterRMW, 5, NotSerialized) { + Store (procIndirectRegisterRead (Arg0, Arg1, Arg2), Local0) + Or (And (Local0, Arg3), Arg4, Local0) + procIndirectRegisterWrite (Arg0, Arg1, Arg2, Local0) + } + + /*----------------------------------------------------------------------------------------*/ + /** + * Find Pci Capability + * + * Arg0 - PCI address Bus/device/func + * Arg1 - Capability id + */ + Method (procFindPciCapability, 2, NotSerialized) { + Store (0x34, Local1) + if (LEqual (procPciDwordRead (Arg0, 0x0), 0xFFFFFFFF)) { + // Device not present + return (0) + } + Store (1, Local0) + while (LEqual (Local0, 1)) { + Store (And (procPciDwordRead (Arg0, Local1), 0xFF), Local1) + if (LEqual (Local1, 0)) { + break + } + if (LEqual (And (procPciDwordRead (Arg0, Local1), 0xFF), Arg1)) { + Store (0, Local0) + } else { + Increment (Local1) + } + } + return (Local1) + } + + /*----------------------------------------------------------------------------------------*/ + /** + * + * + * Arg0 - Aspm + * Arg1 - 0: Read, 1: Write + */ + Method (procPcieSbAspmControl, 2, Serialized) { + // Create an opregion for PM IO Registers + OperationRegion (PMIO, SystemIO, 0xCD6, 0x2) + Field (PMIO, ByteAcc, NoLock, Preserve) + { + PMRI, 8, + PMRD, 8 + } + IndexField (PMRI, PMRD, ByteAcc, NoLock, Preserve) + { + Offset(0xE0), // IO Base address of A-Link Express/ A-Link Bridge register + ABAR, 32, + } + OperationRegion (ACFG, SystemIO, ABAR, 0x8) + Field (ACFG, DWordAcc, Nolock, Preserve) //AB_INDX/AB_DATA + { + ABIX, 32, + ABDA, 32 + } + + Store (0, Local0) + if (LEqual (Arg1, 0)) { + Store (0x80000068, ABIX) + Store (ABDA, Local0) + return (Local0) + } else { + Store (0x80000068, ABIX) + Store (ABDA, Local0) + Or (And (Local0, 0xfffffffc), Arg0, Local0) + Store (Local0, ABDA) + } + } + |