diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/Proc/GNB/Modules/GnbPcieInitLibV1/PcieWrapperRegAcc.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/Proc/GNB/Modules/GnbPcieInitLibV1/PcieWrapperRegAcc.c | 291 |
1 files changed, 291 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/Proc/GNB/Modules/GnbPcieInitLibV1/PcieWrapperRegAcc.c b/src/vendorcode/amd/agesa/Proc/GNB/Modules/GnbPcieInitLibV1/PcieWrapperRegAcc.c new file mode 100644 index 0000000000..f47e58e742 --- /dev/null +++ b/src/vendorcode/amd/agesa/Proc/GNB/Modules/GnbPcieInitLibV1/PcieWrapperRegAcc.c @@ -0,0 +1,291 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * Supporting services to access PCIe wrapper/core/PIF/PHY indirect register spaces + * + * + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: GNB + * @e \$Revision: 34897 $ @e \$Date: 2010-07-13 19:07:10 -0700 (Tue, 13 Jul 2010) $ + * + */ +/* + ***************************************************************************** + * + * 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. + * + * *************************************************************************** + * + */ + +#include "AGESA.h" +#include "Ids.h" +#include "Gnb.h" +#include "GnbPcie.h" +#include "GnbPcieFamServices.h" +#include GNB_MODULE_DEFINITIONS (GnbCommonLib) +#include GNB_MODULE_DEFINITIONS (GnbPcieInitLibV1) +#include "Filecode.h" +#define FILECODE PROC_GNB_MODULES_GNBPCIEINITLIBV1_PCIEWRAPPERREGACC_FILECODE +/*----------------------------------------------------------------------------------------*/ +/** + * Read PCIe register value. + * + * Support for unify register access through index/data pair on GNB + * + * @param[in] Wrapper Pointer to Wrapper descriptor + * @param[in] Address Register address + * @param[in] Pcie Pointer to global PCIe configuration + * @retval Register Value + */ +UINT32 +PcieRegisterRead ( + IN PCIe_WRAPPER_CONFIG *Wrapper, + IN UINT32 Address, + IN PCIe_PLATFORM_CONFIG *Pcie + ) +{ + return PcieSiliconRegisterRead (PcieWrapperGetParentSilicon (Wrapper), Address, Pcie); +} + +/*----------------------------------------------------------------------------------------*/ +/** + * Read PCIe register value. + * + * Support for unify register access through index/data pair on GNB + * + * @param[in] Silicon Pointer to silicon descriptor + * @param[in] Address Register address + * @param[in] Pcie Pointer to global PCIe configuration + * @retval Register Value + */ + +UINT32 +PcieSiliconRegisterRead ( + IN PCIe_SILICON_CONFIG *Silicon, + IN UINT32 Address, + IN PCIe_PLATFORM_CONFIG *Pcie + ) +{ + UINT32 Value; + GnbLibPciWrite (Silicon->Address.AddressValue | 0xE0, AccessWidth32, &Address, GnbLibGetHeader (Pcie)); + GnbLibPciRead (Silicon->Address.AddressValue | 0xE4, AccessWidth32, &Value, GnbLibGetHeader (Pcie)); + return Value; +} + +/*----------------------------------------------------------------------------------------*/ +/** + * Write PCIe register value. + * + * Support for unify register access through index/data pair on GNB + * + * @param[in] Wrapper Pointer to wrapper descriptor + * @param[in] Address Register address + * @param[in] Value New register value + * @param[in] S3Save Save register for S3 (True/False) + * @param[in] Pcie Pointer to global PCIe configuration + */ +VOID +PcieRegisterWrite ( + IN PCIe_WRAPPER_CONFIG *Wrapper, + IN UINT32 Address, + IN UINT32 Value, + IN BOOLEAN S3Save, + IN PCIe_PLATFORM_CONFIG *Pcie + ) +{ + PcieSiliconRegisterWrite ( + PcieWrapperGetParentSilicon (Wrapper), + Address, + Value, + S3Save, + Pcie + ); +} + +/*----------------------------------------------------------------------------------------*/ +/** + * Write PCIe register value. + * + * Support for unify register access through index/data pair on GNB + * + * @param[in] Silicon Pointer to silicon descriptor + * @param[in] Address Register address + * @param[in] Value New register value + * @param[in] S3Save Save register for S3 (True/False) + * @param[in] Pcie Pointer to global PCIe configuration + */ +VOID +PcieSiliconRegisterWrite ( + IN PCIe_SILICON_CONFIG *Silicon, + IN UINT32 Address, + IN UINT32 Value, + IN BOOLEAN S3Save, + IN PCIe_PLATFORM_CONFIG *Pcie + ) +{ + IDS_HDT_CONSOLE (PCIE_HOSTREG_TRACE, " *WR %s (%d:%d:%d):0x%08x = 0x%08x\n", + PcieFmDebugGetHostRegAddressSpaceString ((UINT16) (Address >> 16)), + Silicon->Address.Address.Bus, + Silicon->Address.Address.Device, + Silicon->Address.Address.Function, + Address, + Value + ); + GnbLibPciWrite (Silicon->Address.AddressValue | 0xE0, S3Save ? AccessS3SaveWidth32 : AccessWidth32, &Address, GnbLibGetHeader (Pcie)); + GnbLibPciWrite (Silicon->Address.AddressValue | 0xE4, S3Save ? AccessS3SaveWidth32 : AccessWidth32, &Value, GnbLibGetHeader (Pcie)); +} +/*----------------------------------------------------------------------------------------*/ +/** + * Read PCIe register field. + * + * Support for unify register access through index/data pair on GNB + * + * @param[in] Wrapper Pointer to wrapper descriptor + * @param[in] Address Register address + * @param[in] FieldOffset Field offset + * @param[in] FieldWidth Field width + * @param[in] Pcie Pointer to global PCIe configuration + * @retval Register field value + */ + +UINT32 +PcieRegisterReadField ( + IN PCIe_WRAPPER_CONFIG *Wrapper, + IN UINT32 Address, + IN UINT8 FieldOffset, + IN UINT8 FieldWidth, + IN PCIe_PLATFORM_CONFIG *Pcie + ) +{ + UINT32 Value; + Value = PcieRegisterRead (Wrapper, Address, Pcie); + Value = (Value >> FieldOffset) & (~(0xFFFFFFFF << FieldWidth)); + return Value; +} + +/*----------------------------------------------------------------------------------------*/ +/** + * Write PCIe register field. + * + * Support for unify register access through index/data pair on GNB + * + * @param[in] Wrapper Pointer to wrapper descriptor + * @param[in] Address Register address + * @param[in] FieldOffset Field offset + * @param[in] FieldWidth Field width + * @param[in] Value Value to write + * @param[in] S3Save Save register for S3 (True/False) + * @param[in] Pcie Pointer to global PCIe configuration + */ + + +VOID +PcieRegisterWriteField ( + IN PCIe_WRAPPER_CONFIG *Wrapper, + IN UINT32 Address, + IN UINT8 FieldOffset, + IN UINT8 FieldWidth, + IN UINT32 Value, + IN BOOLEAN S3Save, + IN PCIe_PLATFORM_CONFIG *Pcie + ) +{ + UINT32 TempValue; + UINT32 Mask; + TempValue = PcieRegisterRead (Wrapper, Address, Pcie); + Mask = (~(0xFFFFFFFF << FieldWidth)); + Value &= Mask; + TempValue &= (~(Mask << FieldOffset)); + PcieRegisterWrite (Wrapper, Address, TempValue | (Value << FieldOffset), S3Save, Pcie); +} + +/*----------------------------------------------------------------------------------------*/ +/** + * Read/Modify/Write PCIe register. + * + * Support for unify register access through index/data pair on GNB + * + * @param[in] Wrapper Pointer to wrapper descriptor + * @param[in] Address Register address + * @param[in] AndMask Value & (~AndMask) + * @param[in] OrMask Value | OrMask + * @param[in] S3Save Save register for S3 (True/False) + * @param[in] Pcie Pointer to global PCIe configuration + */ + +VOID +PcieRegisterRMW ( + IN PCIe_WRAPPER_CONFIG *Wrapper, + IN UINT32 Address, + IN UINT32 AndMask, + IN UINT32 OrMask, + IN BOOLEAN S3Save, + IN PCIe_PLATFORM_CONFIG *Pcie + ) +{ + PcieSiliconRegisterRMW ( + PcieWrapperGetParentSilicon (Wrapper), + Address, + AndMask, + OrMask, + S3Save, + Pcie + ); +} + +/*----------------------------------------------------------------------------------------*/ +/** + * Read/Modify/Write PCIe register. + * + * Support for unify register access through index/data pair on GNB + * + * @param[in] Silicon Pointer to silicon descriptor + * @param[in] Address Register address + * @param[in] AndMask Value & (~AndMask) + * @param[in] OrMask Value | OrMask + * @param[in] S3Save Save register for S3 (True/False) + * @param[in] Pcie Pointer to global PCIe configuration + */ + +VOID +PcieSiliconRegisterRMW ( + IN PCIe_SILICON_CONFIG *Silicon, + IN UINT32 Address, + IN UINT32 AndMask, + IN UINT32 OrMask, + IN BOOLEAN S3Save, + IN PCIe_PLATFORM_CONFIG *Pcie + ) +{ + UINT32 Value; + Value = PcieSiliconRegisterRead (Silicon, Address, Pcie); + Value = (Value & (~AndMask)) | OrMask; + PcieSiliconRegisterWrite (Silicon, Address, Value, S3Save, Pcie); +}
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