| /* $NoKeywords:$ */ |
| /** |
| * @file |
| * |
| * FCH IMC lib |
| * |
| * |
| * |
| * @xrefitem bom "File Content Label" "Release Content" |
| * @e project: AGESA |
| * @e sub-project: FCH |
| * @e \$Revision: 87213 $ @e \$Date: 2013-01-30 15:37:54 -0600 (Wed, 30 Jan 2013) $ |
| * |
| */ |
| /* |
| ***************************************************************************** |
| * |
| * Copyright (c) 2008 - 2013, 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 "FchPlatform.h" |
| #include "Filecode.h" |
| #define FILECODE PROC_FCH_IMC_IMCLIB_FILECODE |
| |
| /** |
| * WriteECmsg |
| * |
| * |
| * |
| * @param[in] Address - Address |
| * @param[in] OpFlag - Access width |
| * @param[in] *Value - Out Value pointer |
| * @param[in] StdHeader |
| * |
| */ |
| VOID |
| WriteECmsg ( |
| IN UINT8 Address, |
| IN UINT8 OpFlag, |
| IN VOID *Value, |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| UINT8 Index; |
| |
| ASSERT (OpFlag < AccessWidth64); /* TODO: Add the assertion to make it not crash for now. */ |
| OpFlag = (OpFlag & 0x7f) - 1; |
| if (OpFlag == 0x02) { |
| OpFlag = 0x03; |
| } |
| |
| for (Index = 0; Index <= OpFlag; Index++) { |
| /// EC_LDN9_MAILBOX_BASE_ADDRESS |
| LibAmdIoWrite (AccessWidth8, MailBoxPort, &Address, StdHeader); |
| Address++; |
| /// EC_LDN9_MAILBOX_BASE_ADDRESS |
| LibAmdIoWrite (AccessWidth8, MailBoxPort + 1, (UINT8 *)Value + Index, StdHeader); |
| } |
| } |
| |
| /** |
| * ReadECmsg |
| * |
| * |
| * |
| * @param[in] Address - Address |
| * @param[in] OpFlag - Access width |
| * @param[out] *Value - Out Value pointer |
| * @param[in] StdHeader |
| * |
| */ |
| VOID |
| ReadECmsg ( |
| IN UINT8 Address, |
| IN UINT8 OpFlag, |
| OUT VOID *Value, |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| UINT8 Index; |
| |
| ASSERT (OpFlag < AccessWidth64); /* TODO: Add the assertion to make it not crash for now. */ |
| OpFlag = (OpFlag & 0x7f) - 1; |
| if (OpFlag == 0x02) { |
| OpFlag = 0x03; |
| } |
| |
| for (Index = 0; Index <= OpFlag; Index++) { |
| /// EC_LDN9_MAILBOX_BASE_ADDRESS |
| LibAmdIoWrite (AccessWidth8, MailBoxPort, &Address, StdHeader); |
| Address++; |
| /// EC_LDN9_MAILBOX_BASE_ADDRESS |
| LibAmdIoRead (AccessWidth8, MailBoxPort + 1, (UINT8 *)Value + Index, StdHeader); |
| } |
| } |
| |
| /** |
| * WaitForEcLDN9MailboxCmdAck |
| * |
| * |
| * @param[in] StdHeader |
| * |
| */ |
| VOID |
| WaitForEcLDN9MailboxCmdAck ( |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| UINT8 Msgdata; |
| UINT16 Delaytime; |
| |
| Msgdata = 0; |
| |
| for (Delaytime = 0; Delaytime < 0xFFFF; Delaytime++) { |
| ReadECmsg (MSG_REG0, AccessWidth8, &Msgdata, StdHeader); |
| if ( Msgdata == 0xfa) { |
| break; |
| } |
| |
| FchStall (5, StdHeader); /// Wait for 1ms |
| } |
| } |
| |
| /** |
| * ImcSleep - IMC Sleep. |
| * |
| * |
| * @param[in] FchDataPtr Fch configuration structure pointer. |
| * |
| */ |
| VOID |
| ImcSleep ( |
| IN VOID *FchDataPtr |
| ) |
| { |
| UINT8 Msgdata; |
| FCH_DATA_BLOCK *LocalCfgPtr; |
| AMD_CONFIG_PARAMS *StdHeader; |
| |
| LocalCfgPtr = (FCH_DATA_BLOCK *) FchDataPtr; |
| StdHeader = LocalCfgPtr->StdHeader; |
| |
| if (!(IsImcEnabled (StdHeader)) ) { |
| return; ///IMC is not enabled |
| } |
| |
| Msgdata = 0x00; |
| WriteECmsg (MSG_REG0, AccessWidth8, &Msgdata, StdHeader); |
| Msgdata = 0xB4; |
| WriteECmsg (MSG_REG1, AccessWidth8, &Msgdata, StdHeader); |
| Msgdata = 0x00; |
| WriteECmsg (MSG_REG2, AccessWidth8, &Msgdata, StdHeader); |
| Msgdata = 0x96; |
| WriteECmsg (MSG_SYS_TO_IMC, AccessWidth8, &Msgdata, StdHeader); |
| WaitForEcLDN9MailboxCmdAck (StdHeader); |
| } |
| |
| /** |
| * SoftwareDisableImc - Software disable IMC strap |
| * |
| * |
| * @param[in] FchDataPtr Fch configuration structure pointer. |
| * |
| */ |
| VOID |
| SoftwareDisableImc ( |
| IN VOID *FchDataPtr |
| ) |
| { |
| UINT8 ValueByte; |
| UINT8 PortStatusByte; |
| UINT32 AbValue; |
| UINT32 ABStrapOverrideReg; |
| AMD_CONFIG_PARAMS *StdHeader; |
| |
| StdHeader = ((FCH_DATA_BLOCK *) FchDataPtr)->StdHeader; |
| GetChipSysMode (&PortStatusByte, StdHeader); |
| |
| RwPci ((LPC_BUS_DEV_FUN << 16) + FCH_LPC_REGC8 + 3, AccessWidth8, 0x7F, BIT7, StdHeader); |
| ReadPmio (0xBF, AccessWidth8, &ValueByte, StdHeader); |
| |
| ReadMem ((ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG80), AccessWidth32, &AbValue); |
| ABStrapOverrideReg = AbValue; |
| ABStrapOverrideReg &= ~BIT2; // bit2=0 EcEnableStrap |
| WriteMem ((ACPI_MMIO_BASE + MISC_BASE + 0x84), AccessWidth32, &ABStrapOverrideReg); |
| |
| ReadPmio (FCH_PMIOA_REGD7, AccessWidth8, &ValueByte, StdHeader); |
| ValueByte |= BIT1; |
| WritePmio (FCH_PMIOA_REGD7, AccessWidth8, &ValueByte, StdHeader); |
| |
| ValueByte = 06; |
| LibAmdIoWrite (AccessWidth8, 0xcf9, &ValueByte, StdHeader); |
| FchStall (0xffffffff, StdHeader); |
| } |
| |
| /** |
| * ImcDisableSurebootTimer - IMC Disable Sureboot Timer. |
| * |
| * |
| * @param[in] FchDataPtr Fch configuration structure pointer. |
| * |
| */ |
| VOID |
| ImcDisableSurebootTimer ( |
| IN VOID *FchDataPtr |
| ) |
| { |
| UINT8 Msgdata; |
| AMD_CONFIG_PARAMS *StdHeader; |
| |
| StdHeader = ((FCH_DATA_BLOCK *) FchDataPtr)->StdHeader; |
| |
| if (!(IsImcEnabled (StdHeader)) ) { |
| return; ///IMC is not enabled |
| } |
| |
| ImcWakeup (FchDataPtr); |
| Msgdata = 0x00; |
| WriteECmsg (MSG_REG0, AccessWidth8, &Msgdata, StdHeader); |
| Msgdata = 0x01; |
| WriteECmsg (MSG_REG1, AccessWidth8, &Msgdata, StdHeader); |
| Msgdata = 0x00; |
| WriteECmsg (MSG_REG2, AccessWidth8, &Msgdata, StdHeader); |
| Msgdata = 0x94; |
| WriteECmsg (MSG_SYS_TO_IMC, AccessWidth8, &Msgdata, StdHeader); |
| WaitForEcLDN9MailboxCmdAck (StdHeader); |
| ImcSleep (FchDataPtr); |
| } |
| |
| /** |
| * ImcWakeup - IMC Wakeup. |
| * |
| * |
| * @param[in] FchDataPtr Fch configuration structure pointer. |
| * |
| */ |
| VOID |
| ImcWakeup ( |
| IN VOID *FchDataPtr |
| ) |
| { |
| UINT8 Msgdata; |
| AMD_CONFIG_PARAMS *StdHeader; |
| |
| StdHeader = ((FCH_DATA_BLOCK *) FchDataPtr)->StdHeader; |
| if (!(IsImcEnabled (StdHeader)) ) { |
| return; ///IMC is not enabled |
| } |
| |
| Msgdata = 0x00; |
| WriteECmsg (MSG_REG0, AccessWidth8, &Msgdata, StdHeader); |
| Msgdata = 0xB5; |
| WriteECmsg (MSG_REG1, AccessWidth8, &Msgdata, StdHeader); |
| Msgdata = 0x00; |
| WriteECmsg (MSG_REG2, AccessWidth8, &Msgdata, StdHeader); |
| Msgdata = 0x96; |
| WriteECmsg (MSG_SYS_TO_IMC, AccessWidth8, &Msgdata, StdHeader); |
| WaitForEcLDN9MailboxCmdAck (StdHeader); |
| } |
| |
| /** |
| * ImcIdle - IMC Idle. |
| * |
| * |
| * @param[in] FchDataPtr Fch configuration structure pointer. |
| * |
| */ |
| VOID |
| ImcIdle ( |
| IN VOID *FchDataPtr |
| ) |
| { |
| UINT8 Msgdata; |
| AMD_CONFIG_PARAMS *StdHeader; |
| |
| StdHeader = ((FCH_DATA_BLOCK *) FchDataPtr)->StdHeader; |
| |
| if (!(IsImcEnabled (StdHeader)) ) { |
| return; ///IMC is not enabled |
| } |
| |
| Msgdata = 0x00; |
| WriteECmsg (MSG_REG0, AccessWidth8, &Msgdata, StdHeader); |
| Msgdata = 0x01; |
| WriteECmsg (MSG_REG1, AccessWidth8, &Msgdata, StdHeader); |
| Msgdata = 0x00; |
| WriteECmsg (MSG_REG2, AccessWidth8, &Msgdata, StdHeader); |
| Msgdata = 0x98; |
| WriteECmsg (MSG_SYS_TO_IMC, AccessWidth8, &Msgdata, StdHeader); |
| WaitForEcLDN9MailboxCmdAck (StdHeader); |
| } |