| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2012 Advanced Micro Devices, Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include "agesawrapper.h" |
| #include "amdlib.h" |
| #include "BiosCallOuts.h" |
| #include "Ids.h" |
| #include "OptionsIds.h" |
| #include "heapManager.h" |
| #include "SB700.h" |
| #include <northbridge/amd/agesa/family15/dimmSpd.h> |
| #include "OEM.h" /* SMBUS0_BASE_ADDRESS */ |
| |
| #ifndef SB_GPIO_REG01 |
| #define SB_GPIO_REG01 1 |
| #endif |
| |
| #ifndef SB_GPIO_REG24 |
| #define SB_GPIO_REG24 24 |
| #endif |
| |
| #ifndef SB_GPIO_REG27 |
| #define SB_GPIO_REG27 27 |
| #endif |
| |
| #ifdef __PRE_RAM__ |
| /* This define is used when selecting the appropriate socket for the SPD read |
| * because this is a multi-socket design. |
| */ |
| #define LTC4305_SMBUS_ADDR (0x94) |
| |
| static void select_socket(UINT8 socket_id) |
| { |
| AMD_CONFIG_PARAMS StdHeader; |
| UINT32 PciData32; |
| UINT8 PciData8; |
| PCI_ADDR PciAddress; |
| |
| /* Set SMBus MMIO. */ |
| PciAddress.AddressValue = MAKE_SBDFO (0, 0, 20, 0, 0x90); |
| PciData32 = (SMBUS0_BASE_ADDRESS & 0xFFFFFFF0) | BIT0; |
| LibAmdPciWrite(AccessWidth32, PciAddress, &PciData32, &StdHeader); |
| |
| /* Enable SMBus MMIO. */ |
| PciAddress.AddressValue = MAKE_SBDFO (0, 0, 20, 0, 0xD2); |
| LibAmdPciRead(AccessWidth8, PciAddress, &PciData8, &StdHeader); ; |
| PciData8 |= BIT0; |
| LibAmdPciWrite(AccessWidth8, PciAddress, &PciData8, &StdHeader); |
| |
| switch (socket_id) { |
| case 0: |
| /* Switch onto the First CPU Socket SMBus */ |
| writeSmbusByte(SMBUS0_BASE_ADDRESS, LTC4305_SMBUS_ADDR, 0x80, 0x03); |
| break; |
| case 1: |
| /* Switch onto the Second CPU Socket SMBus */ |
| writeSmbusByte(SMBUS0_BASE_ADDRESS, LTC4305_SMBUS_ADDR, 0x40, 0x03); |
| break; |
| default: |
| /* Switch off two CPU Sockets SMBus */ |
| writeSmbusByte(SMBUS0_BASE_ADDRESS, LTC4305_SMBUS_ADDR, 0x00, 0x03); |
| break; |
| } |
| } |
| |
| static void restore_socket(void) |
| { |
| /* Switch off two CPU Sockets SMBus */ |
| writeSmbusByte(SMBUS0_BASE_ADDRESS, LTC4305_SMBUS_ADDR, 0x00, 0x03); |
| } |
| #endif |
| |
| STATIC BIOS_CALLOUT_STRUCT BiosCallouts[] = |
| { |
| {AGESA_ALLOCATE_BUFFER, BiosAllocateBuffer }, |
| {AGESA_DEALLOCATE_BUFFER, BiosDeallocateBuffer }, |
| {AGESA_DO_RESET, BiosReset }, |
| {AGESA_LOCATE_BUFFER, BiosLocateBuffer}, |
| {AGESA_READ_SPD, BiosReadSpd }, |
| {AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported }, |
| {AGESA_RUNFUNC_ONAP, BiosRunFuncOnAp }, |
| {AGESA_GNB_PCIE_SLOT_RESET, agesa_NoopSuccess }, |
| {AGESA_GET_IDS_INIT_DATA, agesa_EmptyIdsInitData }, |
| {AGESA_HOOKBEFORE_DRAM_INIT, BiosHookBeforeDramInit }, |
| {AGESA_HOOKBEFORE_DRAM_INIT_RECOVERY, agesa_NoopSuccess }, |
| {AGESA_HOOKBEFORE_DQS_TRAINING, agesa_NoopSuccess }, |
| {AGESA_HOOKBEFORE_EXIT_SELF_REF, agesa_NoopSuccess }, |
| }; |
| |
| AGESA_STATUS GetBiosCallout (UINT32 Func, UINT32 Data, VOID *ConfigPtr) |
| { |
| UINTN i; |
| AGESA_STATUS CalloutStatus; |
| UINTN CallOutCount = sizeof (BiosCallouts) / sizeof (BiosCallouts [0]); |
| |
| for (i = 0; i < CallOutCount; i++) |
| { |
| if (BiosCallouts[i].CalloutName == Func) |
| { |
| break; |
| } |
| } |
| |
| if(i >= CallOutCount) |
| { |
| return AGESA_UNSUPPORTED; |
| } |
| |
| CalloutStatus = BiosCallouts[i].CalloutPtr (Func, Data, ConfigPtr); |
| |
| return CalloutStatus; |
| } |
| |
| |
| AGESA_STATUS BiosReadSpd (UINT32 Func, UINT32 Data, VOID *ConfigPtr) |
| { |
| AGESA_STATUS Status; |
| #ifdef __PRE_RAM__ |
| if (ConfigPtr == NULL) |
| return AGESA_ERROR; |
| |
| select_socket(((AGESA_READ_SPD_PARAMS *)ConfigPtr)->SocketId); |
| |
| Status = agesa_ReadSPD (Func, Data, ConfigPtr); |
| |
| restore_socket(); |
| #else |
| Status = AGESA_UNSUPPORTED; |
| #endif |
| |
| return Status; |
| } |
| |
| /* Call the host environment interface to provide a user hook opportunity. */ |
| AGESA_STATUS BiosHookBeforeDramInit (UINT32 Func, UINT32 Data, VOID *ConfigPtr) |
| { |
| AGESA_STATUS Status; |
| UINTN FcnData; |
| MEM_DATA_STRUCT *MemData; |
| UINT32 AcpiMmioAddr; |
| UINT32 GpioMmioAddr; |
| UINT8 Data8; |
| UINT16 Data16; |
| |
| FcnData = Data; |
| MemData = ConfigPtr; |
| |
| Status = AGESA_SUCCESS; |
| /* Get SB MMIO Base (AcpiMmioAddr) */ |
| WriteIo8 (0xCD6, 0x27); |
| Data8 = ReadIo8(0xCD7); |
| Data16 = Data8<<8; |
| WriteIo8 (0xCD6, 0x26); |
| Data8 = ReadIo8(0xCD7); |
| Data16 |= Data8; |
| AcpiMmioAddr = (UINT32)Data16 << 16; |
| GpioMmioAddr = AcpiMmioAddr + GPIO_BASE; |
| Status = AGESA_SUCCESS; |
| return Status; |
| } |