| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2011 Advanced Micro Devices, Inc. |
| * Copyright (C) 2013 Sage Electronic Engineering, LLC |
| * |
| * 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 "heapManager.h" |
| #include "SB800.h" |
| #include <cbfs.h> |
| #include <string.h> |
| #include <device/dram/ddr3.h> |
| |
| #define SPD_SIZE 128 |
| #define SPD_CRC_HI 127 |
| #define SPD_CRC_LO 126 |
| |
| static AGESA_STATUS board_BeforeDramInit (UINT32 Func, UINT32 Data, VOID *ConfigPtr); |
| |
| STATIC BIOS_CALLOUT_STRUCT BiosCallouts[] = |
| { |
| {AGESA_ALLOCATE_BUFFER, BiosAllocateBuffer }, |
| {AGESA_DEALLOCATE_BUFFER, BiosDeallocateBuffer }, |
| {AGESA_LOCATE_BUFFER, BiosLocateBuffer }, |
| {AGESA_DO_RESET, agesa_Reset }, |
| {AGESA_READ_SPD, BiosReadSpd_from_cbfs }, |
| {AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported }, |
| {AGESA_RUNFUNC_ONAP, agesa_RunFuncOnAp }, |
| {AGESA_GNB_PCIE_SLOT_RESET, agesa_NoopSuccess }, |
| {AGESA_HOOKBEFORE_DRAM_INIT, board_BeforeDramInit }, |
| {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]); |
| |
| /* |
| * printk(BIOS_SPEW,"%s function: %x\n", __func__, (u32) Func); |
| */ |
| |
| CalloutStatus = AGESA_UNSUPPORTED; |
| |
| for (i = 0; i < CallOutCount; i++) { |
| if (BiosCallouts[i].CalloutName == Func) { |
| CalloutStatus = BiosCallouts[i].CalloutPtr (Func, Data, ConfigPtr); |
| return CalloutStatus; |
| } |
| } |
| |
| return CalloutStatus; |
| } |
| |
| AGESA_STATUS BiosReadSpd_from_cbfs(UINT32 Func, UINT32 Data, VOID *ConfigPtr) |
| { |
| AGESA_STATUS Status; |
| #ifdef __PRE_RAM__ |
| AGESA_READ_SPD_PARAMS *info = ConfigPtr; |
| if (info->MemChannelId > 0) |
| return AGESA_UNSUPPORTED; |
| if (info->SocketId != 0) |
| return AGESA_UNSUPPORTED; |
| if (info->DimmId != 0) |
| return AGESA_UNSUPPORTED; |
| |
| char *spd_file; |
| size_t spd_file_len; |
| |
| printk(BIOS_DEBUG, "read SPD\n"); |
| spd_file = cbfs_get_file_content(CBFS_DEFAULT_MEDIA, "spd.bin", 0xab, |
| &spd_file_len); |
| if (!spd_file) |
| die("file [spd.bin] not found in CBFS"); |
| if (spd_file_len < SPD_SIZE) |
| die("Missing SPD data."); |
| |
| memcpy((char*)info->Buffer, spd_file, SPD_SIZE); |
| |
| u16 crc = spd_ddr3_calc_crc(info->Buffer, SPD_SIZE); |
| |
| if (((info->Buffer[SPD_CRC_LO] == 0) && (info->Buffer[SPD_CRC_HI] == 0)) |
| || (info->Buffer[SPD_CRC_LO] != (crc & 0xff)) |
| || (info->Buffer[SPD_CRC_HI] != (crc >> 8))) { |
| printk(BIOS_WARNING, "SPD has a invalid or zero-valued CRC\n"); |
| info->Buffer[SPD_CRC_LO] = crc & 0xff; |
| info->Buffer[SPD_CRC_HI] = crc >> 8; |
| u16 i; |
| printk(BIOS_WARNING, "\nDisplay the SPD"); |
| for (i = 0; i < SPD_SIZE; i++) { |
| if((i % 16) == 0x00) |
| printk(BIOS_WARNING, "\n%02x: ",i); |
| printk(BIOS_WARNING, "%02x ", info->Buffer[i]); |
| } |
| printk(BIOS_WARNING, "\n"); |
| } |
| Status = AGESA_SUCCESS; |
| #else |
| Status = AGESA_UNSUPPORTED; |
| #endif |
| |
| return Status; |
| } |
| |
| /* Call the host environment interface to provide a user hook opportunity. */ |
| static AGESA_STATUS board_BeforeDramInit (UINT32 Func, UINT32 Data, VOID *ConfigPtr) |
| { |
| // Unlike AMD/Inagua, this board is unable to vary the RAM voltage. |
| // Make sure the right speed settings are selected. |
| ((MEM_DATA_STRUCT*)ConfigPtr)->ParameterListPtr->DDR3Voltage = VOLT1_5; |
| return AGESA_SUCCESS; |
| } |