diff options
Diffstat (limited to 'src/vendorcode/amd/cimx/sb700/SMM.c')
| -rw-r--r-- | src/vendorcode/amd/cimx/sb700/SMM.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/vendorcode/amd/cimx/sb700/SMM.c b/src/vendorcode/amd/cimx/sb700/SMM.c new file mode 100644 index 0000000000..0d752fb13a --- /dev/null +++ b/src/vendorcode/amd/cimx/sb700/SMM.c @@ -0,0 +1,91 @@ +/***************************************************************************** + * + * 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. + * + * + ***************************************************************************/ + + +#include "Platform.h" + +SMMSERVICESTRUC smmItemsTable[]={ + {SB_PMIO_REG0E, BIT2, SB_PMIO_REG0F, BIT2, (CHAR8 *)"Software SMI through SMI CMD port \n ", softwareSMIservice}, + {SB_PMIO_REG00, BIT4, SB_PMIO_REG01, BIT4, (CHAR8 *)"Software initiated SMI \n ", NULL}, + {SB_PMIO_REG02, 0xFF, SB_PMIO_REG05, 0xFF, (CHAR8 *)"SMI on IRQ15-8 \n ", NULL}, + {SB_PMIO_REG03, 0xFF, SB_PMIO_REG06, 0xFF, (CHAR8 *)"SMI on IRQ7-0 \n ", NULL}, + {SB_PMIO_REG04, 0xFF, SB_PMIO_REG07, 0xFF, (CHAR8 *)"SMI on legacy devices activity(Serial, FDD etc) \n ", NULL}, + {SB_PMIO_REG1C, 0xFF, SB_PMIO_REG1D, 0xFF, (CHAR8 *)"SMI on PIO 0123 \n ", NULL}, + {SB_PMIO_REGA8, 0x0F, SB_PMIO_REGA9, 0xFF, (CHAR8 *)"SMI on PIO 4567 \n ", NULL}, +}; + + +/*++ + +Routine Description: + + SB SMI service + +Arguments: + + pConfig - SBconfiguration + +Returns: + + void + +--*/ + +void sbSmmService(AMDSBCFG* pConfig){ + UINT8 i, dbEnableValue, dbStatusValue; + SMMSERVICESTRUC *pSmmItems; + SMM_SERVICE_ROUTINE serviceRoutine; + + pSmmItems = (SMMSERVICESTRUC *)FIXUP_PTR(&smmItemsTable[0]); + TRACE((DMSG_SB_TRACE, "CIMx - Entering SMM services \n")); + for (i = 1; i <= (sizeof(smmItemsTable)/sizeof(SMMSERVICESTRUC)); i++){ + dbEnableValue = pSmmItems->enableRegNum; + ReadPMIO(pSmmItems->enableRegNum, AccWidthUint8, &dbEnableValue); + ReadPMIO(pSmmItems->statusRegNum, AccWidthUint8, &dbStatusValue); + if ( (dbEnableValue & (pSmmItems->enableBit)) && (dbStatusValue & (pSmmItems->statusBit)) ){ + TRACE((DMSG_SB_TRACE, "\n \nSmi source is: %s \n", pSmmItems->debugMessage)); + TRACE((DMSG_SB_TRACE, "Enable Reg:%d Value:%d\n", pSmmItems->enableRegNum, dbEnableValue)); + TRACE((DMSG_SB_TRACE, "Status Reg:%d Value:%d\n\n", pSmmItems->statusRegNum, dbStatusValue)); + if ( (pSmmItems->serviceRoutine)!= NULL){ + serviceRoutine = (void *)FIXUP_PTR(pSmmItems->serviceRoutine); + serviceRoutine(); + } + } + } + TRACE((DMSG_SB_TRACE, "CIMx - Exiting SMM services \n")); +} + + +void softwareSMIservice(void){ + UINT16 dwSmiCmdPort, dwVar; + ReadPMIO(SB_PMIO_REG2A, AccWidthUint16, &dwSmiCmdPort); + ReadIO(dwSmiCmdPort, AccWidthUint16, &dwVar); + TRACE((DMSG_SB_TRACE, "SMI CMD Port Address: %X SMICMD Port value is %X \n", dwSmiCmdPort, dwVar)); +} |