diff options
Diffstat (limited to 'src/vendorcode/amd/cimx/rd890/amdSbLib.c')
| -rw-r--r-- | src/vendorcode/amd/cimx/rd890/amdSbLib.c | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/src/vendorcode/amd/cimx/rd890/amdSbLib.c b/src/vendorcode/amd/cimx/rd890/amdSbLib.c new file mode 100644 index 0000000000..22b7fb17df --- /dev/null +++ b/src/vendorcode/amd/cimx/rd890/amdSbLib.c @@ -0,0 +1,216 @@ +/** + * @file + * + * SB common library + * + * + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: Common Library + * @e sub-project: + * @e \$Revision:$ @e \$Date:$ + * + */ +/***************************************************************************** + * + * Copyright (C) 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. + * + * + ***************************************************************************/ +/*---------------------------------------------------------------------------------------- + * M O D U L E S U S E D + *---------------------------------------------------------------------------------------- + */ +#include "AGESA.h" +#include "amdlib.h" +#include "amdSbLib.h" + + +/*---------------------------------------------------------------------------------------- + * D E F I N I T I O N S A N D M A C R O S + *---------------------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------------------- + * T Y P E D E F S A N D S T R U C T U R E S + *---------------------------------------------------------------------------------------- + */ + + +/*---------------------------------------------------------------------------------------- + * P R O T O T Y P E S O F L O C A L F U N C T I O N S + *---------------------------------------------------------------------------------------- + */ + + +/*---------------------------------------------------------------------------------------- + * E X P O R T E D F U N C T I O N S + *---------------------------------------------------------------------------------------- + */ + + +/*----------------------------------------------------------------------------------------*/ +/** + * Stall + * + * + * + * @param[in] uSec + * + */ + +VOID +LibAmdSbStall ( + IN UINT32 uSec, + IN VOID *ConfigPtr + ) +{ + UINT16 AcpiTimerBaseAddress; + UINT32 StartTime; + UINT32 ElapsedTime; + SB_INFO SbInfo; + SbInfo = LibAmdSbGetRevisionInfo (ConfigPtr); + if (SbInfo.Type == SB_UNKNOWN) { + AcpiTimerBaseAddress = 0; + } else { + LibAmdSbPmioRead ((SbInfo.Type == SB_SB700) ? 0x24 : 0x64, AccessWidth16, &AcpiTimerBaseAddress, ConfigPtr); + } + if (AcpiTimerBaseAddress == 0) { + uSec = uSec / 2; + while (uSec != 0) { + LibAmdIoRead (AccessWidth8, 0x80, &StartTime, (AMD_CONFIG_PARAMS *)ConfigPtr); + uSec--; + } + } else { + LibAmdIoRead (AccessWidth32, AcpiTimerBaseAddress, &StartTime, (AMD_CONFIG_PARAMS *)ConfigPtr); + do { + LibAmdIoRead (AccessWidth32, AcpiTimerBaseAddress, &ElapsedTime, (AMD_CONFIG_PARAMS *)ConfigPtr); + if (ElapsedTime < StartTime) { + ElapsedTime = ElapsedTime + (0xFFFFFFFF - StartTime); + } else { + ElapsedTime = ElapsedTime - StartTime; + } + } while ((ElapsedTime*28/100)<uSec); //28/100 + } +} + + +/*----------------------------------------------------------------------------------------*/ +/** + * Read PMIO + * + * + * + * @param[in] uSec + * + */ + +VOID +LibAmdSbPmioRead ( + IN UINT8 Address, + IN ACCESS_WIDTH Width, + OUT VOID *Value, + IN VOID *ConfigPtr + ) +{ + UINT8 i; + if (Width > 0x80) { + Width -= 0x80; + } + for (i = 0; i <= Width; i++) { + LibAmdIoWrite (AccessWidth8, 0xCD6, &Address, (AMD_CONFIG_PARAMS *)ConfigPtr); // SB_IOMAP_REGCD6 + Address++; + LibAmdIoRead (AccessWidth8,0xCD7, (UINT8 *)Value + i, (AMD_CONFIG_PARAMS *)ConfigPtr); // SB_IOMAP_REGCD7 + } +} + +/*----------------------------------------------------------------------------------------*/ +/** + * Read PMIO + * + * + * + * @param[in] uSec + * + */ + +VOID +LibAmdSbPmioWrite ( + IN UINT8 Address, + IN ACCESS_WIDTH Width, + IN VOID *Value, + IN VOID *ConfigPtr + ) +{ + UINT8 i; + if (Width > 0x80) { + Width -= 0x80; + } + for (i = 0; i <= Width; i++) { + LibAmdIoWrite (AccessWidth8, 0xCD6, &Address, (AMD_CONFIG_PARAMS *)ConfigPtr); // SB_IOMAP_REGCD6 + Address++; + LibAmdIoWrite (AccessWidth8,0xCD7, (UINT8 *)Value + i, (AMD_CONFIG_PARAMS *)ConfigPtr); // SB_IOMAP_REGCD7 + } +} + + +/*----------------------------------------------------------------------------------------*/ +/** + * Get SB Type + * + * + * + * + * @param[in] pConfig Northbridge configuration structure pointer. + */ +/*----------------------------------------------------------------------------------------*/ +SB_INFO +LibAmdSbGetRevisionInfo ( + IN VOID *ConfigPtr + ) +{ + UINT32 DeviceId; + UINT8 RevisionId; + SB_INFO SbInfo; + PCI_ADDR SbSmbusAddress; + SbSmbusAddress.AddressValue = MAKE_SBDFO (0, 0, 0x14, 0, 0x00); + LibAmdPciRead (AccessWidth32, SbSmbusAddress, &DeviceId, (AMD_CONFIG_PARAMS *)ConfigPtr); + SbInfo.Revision = SB_REV_UNKNOWN; + switch (DeviceId) { + case 0x43851002: + SbSmbusAddress.AddressValue = MAKE_SBDFO (0, 0, 0x14, 0, 0x08); + LibAmdPciRead (AccessWidth8, SbSmbusAddress, &RevisionId, (AMD_CONFIG_PARAMS *)ConfigPtr); + if (RevisionId >= 0x40) { + SbInfo.Type = SB_SB800; + } else { + SbInfo.Type = SB_SB700; + } + break; + default: + SbInfo.Type = SB_UNKNOWN; + } + return SbInfo; +} |