2 Framework PEIM to initialize memory on a Quark Memory Controller.
4 Copyright (c) 2013 Intel Corporation.
6 This program and the accompanying materials
7 are licensed and made available under the terms and conditions of the BSD License
8 which accompanies this distribution. The full text of the license may be found at
9 http://opensource.org/licenses/bsd-license.php
11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
16 #include "CommonHeader.h"
17 #include "MrcWrapper.h"
21 #include <Library/PlatformHelperLib.h>
24 // ------------------------ TSEG Base
26 // ------------------------ RESERVED_CPU_S3_SAVE_OFFSET
28 // ------------------------ RESERVED_ACPI_S3_RANGE_OFFSET
29 // S3 Memory base structure
30 // ------------------------ TSEG + 1 page
32 #define RESERVED_CPU_S3_SAVE_OFFSET (RESERVED_ACPI_S3_RANGE_OFFSET - sizeof (SMM_S3_RESUME_STATE))
34 // Strap configuration register specifying DDR setup
35 #define QUARK_SCSS_REG_STPDDRCFG 0x00
37 // Macro counting array elements
38 #define COUNT(a) (sizeof(a)/sizeof(*a))
41 EFI_MEMORY_TYPE_INFORMATION mDefaultQncMemoryTypeInformation
[] = {
42 { EfiReservedMemoryType
, EDKII_RESERVED_SIZE_PAGES
}, // BIOS Reserved
43 { EfiACPIMemoryNVS
, ACPI_NVS_SIZE_PAGES
}, // S3, SMM, etc
44 { EfiRuntimeServicesData
, RUNTIME_SERVICES_DATA_SIZE_PAGES
},
45 { EfiRuntimeServicesCode
, RUNTIME_SERVICES_CODE_SIZE_PAGES
},
46 { EfiACPIReclaimMemory
, ACPI_RECLAIM_SIZE_PAGES
}, // ACPI ASL
47 { EfiMaxMemoryType
, 0 }
51 Configure Uart mmio base for MRC serial log purpose
53 @param MrcData - MRC configuration data updated
66 UartIdx
= PcdGet8(PcdIohUartFunctionNumber
);
67 IohUartBus
= PcdGet8(PcdIohUartBusNumber
);
68 IohUartDev
= PcdGet8(PcdIohUartDevNumber
);
70 RegData32
= PciRead32 (PCI_LIB_ADDRESS(IohUartBus
, IohUartDev
, UartIdx
, PCI_BASE_ADDRESSREG_OFFSET
));
71 MrcData
->uart_mmio_base
= RegData32
& 0xFFFFFFF0;
75 Configure MRC from memory controller fuse settings.
77 @param MrcData - MRC configuration data to be updated.
79 @return EFI_SUCCESS MRC Config parameters updated from platform data.
82 MrcConfigureFromMcFuses (
83 OUT MRC_PARAMS
*MrcData
88 McFuseStat
= QNCPortRead (
89 QUARK_NC_MEMORY_CONTROLLER_SB_PORT_ID
,
90 QUARK_NC_MEMORY_CONTROLLER_REG_DFUSESTAT
93 DEBUG ((EFI_D_INFO
, "MRC McFuseStat 0x%08x\n", McFuseStat
));
95 if ((McFuseStat
& B_DFUSESTAT_ECC_DIS
) != 0) {
96 DEBUG ((EFI_D_INFO
, "MRC Fuse : fus_dun_ecc_dis.\n"));
97 MrcData
->ecc_enables
= 0;
99 MrcData
->ecc_enables
= 1;
105 Configure MRC from platform info hob.
107 @param MrcData - MRC configuration data to be updated.
109 @return EFI_SUCCESS MRC Config parameters updated from hob.
110 @return EFI_NOT_FOUND Platform Info or MRC Config parameters not found.
111 @return EFI_INVALID_PARAMETER Wrong params in hob.
114 MrcConfigureFromInfoHob (
115 OUT MRC_PARAMS
*MrcData
118 PDAT_MRC_ITEM
*ItemData
;
120 ItemData
= (PDAT_MRC_ITEM
*)PcdGetPtr (PcdMrcParameters
);
122 MrcData
->channel_enables
= ItemData
->ChanMask
;
123 MrcData
->channel_width
= ItemData
->ChanWidth
;
124 MrcData
->address_mode
= ItemData
->AddrMode
;
125 // Enable scrambling if requested.
126 MrcData
->scrambling_enables
= (ItemData
->Flags
& PDAT_MRC_FLAG_SCRAMBLE_EN
) != 0;
127 MrcData
->ddr_type
= ItemData
->DramType
;
128 MrcData
->dram_width
= ItemData
->DramWidth
;
129 MrcData
->ddr_speed
= ItemData
->DramSpeed
;
130 // Enable ECC if requested.
131 MrcData
->rank_enables
= ItemData
->RankMask
;
132 MrcData
->params
.DENSITY
= ItemData
->DramDensity
;
133 MrcData
->params
.tCL
= ItemData
->tCL
;
134 MrcData
->params
.tRAS
= ItemData
->tRAS
;
135 MrcData
->params
.tWTR
= ItemData
->tWTR
;
136 MrcData
->params
.tRRD
= ItemData
->tRRD
;
137 MrcData
->params
.tFAW
= ItemData
->tFAW
;
139 MrcData
->refresh_rate
= ItemData
->SrInt
;
140 MrcData
->sr_temp_range
= ItemData
->SrTemp
;
141 MrcData
->ron_value
= ItemData
->DramRonVal
;
142 MrcData
->rtt_nom_value
= ItemData
->DramRttNomVal
;
143 MrcData
->rd_odt_value
= ItemData
->SocRdOdtVal
;
145 DEBUG ((EFI_D_INFO
, "MRC dram_width %d\n", MrcData
->dram_width
));
146 DEBUG ((EFI_D_INFO
, "MRC rank_enables %d\n",MrcData
->rank_enables
));
147 DEBUG ((EFI_D_INFO
, "MRC ddr_speed %d\n", MrcData
->ddr_speed
));
148 DEBUG ((EFI_D_INFO
, "MRC flags: %s\n",
149 (MrcData
->scrambling_enables
) ? L
"SCRAMBLE_EN" : L
""
152 DEBUG ((EFI_D_INFO
, "MRC density=%d tCL=%d tRAS=%d tWTR=%d tRRD=%d tFAW=%d\n",
153 MrcData
->params
.DENSITY
,
155 MrcData
->params
.tRAS
,
156 MrcData
->params
.tWTR
,
157 MrcData
->params
.tRRD
,
168 @param MrcData - MRC configuration
173 const MRC_PARAMS
*MrcData
177 UINT32 EndAdr
= MrcData
->mem_size
;
178 UINT32 BlkSize
= PcdGet8(PcdEccScrubBlkSize
) & SCRUB_CFG_BLOCKSIZE_MASK
;
179 UINT32 Interval
= PcdGet8(PcdEccScrubInterval
) & SCRUB_CFG_INTERVAL_MASK
;
181 if( MrcData
->ecc_enables
== 0 || MrcData
->boot_mode
== bmS3
|| Interval
== 0) {
182 // No scrub configuration needed if ECC not enabled
183 // On S3 resume reconfiguration is done as part of resume
184 // script, see SNCS3Save.c ==> SaveRuntimeScriptTable()
185 // Also if PCD disables scrub, then we do nothing.
189 QNCPortWrite (QUARK_NC_RMU_SB_PORT_ID
, QUARK_NC_ECC_SCRUB_END_MEM_REG
, EndAdr
);
190 QNCPortWrite (QUARK_NC_RMU_SB_PORT_ID
, QUARK_NC_ECC_SCRUB_START_MEM_REG
, BgnAdr
);
191 QNCPortWrite (QUARK_NC_RMU_SB_PORT_ID
, QUARK_NC_ECC_SCRUB_NEXT_READ_REG
, BgnAdr
);
192 QNCPortWrite (QUARK_NC_RMU_SB_PORT_ID
, QUARK_NC_ECC_SCRUB_CONFIG_REG
,
193 Interval
<< SCRUB_CFG_INTERVAL_SHIFT
|
194 BlkSize
<< SCRUB_CFG_BLOCKSIZE_SHIFT
);
196 McD0PciCfg32 (QNC_ACCESS_PORT_MCR
) = SCRUB_RESUME_MSG();
199 /** Post InstallS3Memory / InstallEfiMemory tasks given MrcData context.
201 @param[in] MrcData MRC configuration.
202 @param[in] IsS3 TRUE if after InstallS3Memory.
207 IN MRC_PARAMS
*MrcData
,
211 UINT32 RmuMainDestBaseAddress
;
212 UINT32
*RmuMainSrcBaseAddress
;
217 // Setup ECC policy (All boot modes).
219 QNCPolicyDblEccBitErr (V_WDT_CONTROL_DBL_ECC_BIT_ERR_WARM
);
222 // Find the 64KB of memory for Rmu Main at the top of available memory.
224 InfoPostInstallMemory (&RmuMainDestBaseAddress
, NULL
, NULL
);
225 DEBUG ((EFI_D_INFO
, "RmuMain Base Address : 0x%x\n", RmuMainDestBaseAddress
));
231 QNCSendOpcodeDramReady (RmuMainDestBaseAddress
);
233 Status
= PlatformFindFvFileRawDataSection (NULL
, PcdGetPtr(PcdQuarkMicrocodeFile
), (VOID
**) &RmuMainSrcBaseAddress
, &RmuMainSize
);
234 ASSERT_EFI_ERROR (Status
);
235 if (!EFI_ERROR (Status
)) {
236 DEBUG ((EFI_D_INFO
, "Found Microcode ADDR:SIZE 0x%08x:0x%04x\n", (UINTN
) RmuMainSrcBaseAddress
, RmuMainSize
));
239 RmuMainRelocation (RmuMainDestBaseAddress
, (UINT32
) RmuMainSrcBaseAddress
, RmuMainSize
);
240 QNCSendOpcodeDramReady (RmuMainDestBaseAddress
);
241 EccScrubSetup (MrcData
);
247 Do memory initialisation for QNC DDR3 SDRAM Controller
249 @param FfsHeader Not used.
250 @param PeiServices General purpose services available to every PEIM.
252 @return EFI_SUCCESS Memory initialisation completed successfully.
253 All other error conditions encountered result in an ASSERT.
258 IN EFI_PEI_SERVICES
**PeiServices
262 EFI_BOOT_MODE BootMode
;
264 EFI_PEI_READ_ONLY_VARIABLE2_PPI
*VariableServices
;
265 EFI_STATUS_CODE_VALUE ErrorCodeValue
;
266 PEI_QNC_MEMORY_INIT_PPI
*QncMemoryInitPpi
;
272 // It is critical that both of these data structures are initialized to 0.
273 // This PEIM knows the number of DIMMs in the system and works with that
274 // information. The MCH PEIM that consumes these data structures does not
275 // know the number of DIMMs so it expects the entire structure to be
276 // properly initialized. By initializing these to zero, all flags indicating
277 // that the SPD is present or the row should be configured are set to false.
279 ZeroMem (&MrcData
, sizeof(MrcData
));
284 Status
= PeiServicesLocatePpi (
285 &gEfiPeiReadOnlyVariable2PpiGuid
, // GUID
287 NULL
, // EFI_PEI_PPI_DESCRIPTOR
288 (VOID
**)&VariableServices
// PPI
290 ASSERT_EFI_ERROR (Status
);
293 // Determine boot mode
295 Status
= PeiServicesGetBootMode (&BootMode
);
296 ASSERT_EFI_ERROR (Status
);
299 // Initialize Error type for reporting status code
302 case BOOT_ON_FLASH_UPDATE
:
303 ErrorCodeValue
= EFI_COMPUTING_UNIT_MEMORY
+ EFI_CU_MEMORY_EC_UPDATE_FAIL
;
305 case BOOT_ON_S3_RESUME
:
306 ErrorCodeValue
= EFI_COMPUTING_UNIT_MEMORY
+ EFI_CU_MEMORY_EC_S3_RESUME_FAIL
;
309 ErrorCodeValue
= EFI_COMPUTING_UNIT_MEMORY
;
314 // Specify MRC boot mode
317 case BOOT_ON_S3_RESUME
:
318 case BOOT_ON_FLASH_UPDATE
:
319 MrcData
.boot_mode
= bmS3
;
321 case BOOT_ASSUMING_NO_CONFIGURATION_CHANGES
:
322 MrcData
.boot_mode
= bmFast
;
325 MrcData
.boot_mode
= bmCold
;
330 // Configure MRC input parameters.
332 Status
= MrcConfigureFromMcFuses (&MrcData
);
333 ASSERT_EFI_ERROR (Status
);
334 Status
= MrcConfigureFromInfoHob (&MrcData
);
335 ASSERT_EFI_ERROR (Status
);
336 MrcUartConfig(&MrcData
);
338 if (BootMode
== BOOT_IN_RECOVERY_MODE
) {
340 // Always do bmCold on recovery.
342 DEBUG ((DEBUG_INFO
, "MemoryInit:Force bmCold on Recovery\n"));
343 MrcData
.boot_mode
= bmCold
;
347 // Load Memory configuration data saved in previous boot from variable
349 Status
= LoadConfig (
355 if (EFI_ERROR (Status
)) {
358 case BOOT_ON_S3_RESUME
:
359 case BOOT_ON_FLASH_UPDATE
:
361 EFI_ERROR_CODE
+ EFI_ERROR_UNRECOVERED
,
364 PeiServicesResetSystem ();
368 MrcData
.boot_mode
= bmCold
;
375 // Locate Memory Reference Code PPI
377 Status
= PeiServicesLocatePpi (
378 &gQNCMemoryInitPpiGuid
, // GUID
380 NULL
, // EFI_PEI_PPI_DESCRIPTOR
381 (VOID
**)&QncMemoryInitPpi
// PPI
383 ASSERT_EFI_ERROR (Status
);
385 PmswAdr
= (UINT16
)(LpcPciCfg32 (R_QNC_LPC_GPE0BLK
) & 0xFFFF) + R_QNC_GPE0BLK_PMSW
;
386 if( IoRead32 (PmswAdr
) & B_QNC_GPE0BLK_PMSW_DRAM_INIT
) {
387 // MRC did not complete last execution, force cold boot path
388 MrcData
.boot_mode
= bmCold
;
392 IoOr32 (PmswAdr
, (UINT32
)B_QNC_GPE0BLK_PMSW_DRAM_INIT
);
395 // Call Memory Reference Code's Routines
397 QncMemoryInitPpi
->MrcStart (&MrcData
);
399 // Mark MRC completed
400 IoAnd32 (PmswAdr
, ~(UINT32
)B_QNC_GPE0BLK_PMSW_DRAM_INIT
);
404 // Note emulation platform has to read actual memory size
405 // MrcData.mem_size from PcdGet32 (PcdMemorySize);
407 if (BootMode
== BOOT_ON_S3_RESUME
) {
409 DEBUG ((EFI_D_INFO
, "Following BOOT_ON_S3_RESUME boot path.\n"));
411 Status
= InstallS3Memory (PeiServices
, VariableServices
, MrcData
.mem_size
);
412 if (EFI_ERROR (Status
)) {
414 EFI_ERROR_CODE
+ EFI_ERROR_UNRECOVERED
,
417 PeiServicesResetSystem ();
419 PostInstallMemory (&MrcData
, TRUE
);
424 // Assign physical memory to PEI and DXE
426 DEBUG ((EFI_D_INFO
, "InstallEfiMemory.\n"));
428 Status
= InstallEfiMemory (
434 ASSERT_EFI_ERROR (Status
);
436 PostInstallMemory (&MrcData
, FALSE
);
439 // Save current configuration into Hob and will save into Variable later in DXE
441 DEBUG ((EFI_D_INFO
, "SaveConfig.\n"));
442 Status
= SaveConfig (
445 ASSERT_EFI_ERROR (Status
);
447 DEBUG ((EFI_D_INFO
, "MemoryInit Complete.\n"));
454 This function saves a config to a HOB.
456 @param RowInfo The MCH row configuration information.
457 @param TimingData Timing data to be saved.
458 @param RowConfArray Row configuration information for each row in the system.
459 @param SpdData SPD info read for each DIMM slot in the system.
461 @return EFI_SUCCESS: The function completed successfully.
466 IN MRC_PARAMS
*MrcData
470 // Build HOB data for Memory Config
471 // HOB data size (stored in variable) is required to be multiple of 8 bytes
474 &gEfiMemoryConfigDataGuid
,
475 (VOID
*) &MrcData
->timings
,
476 ((sizeof (MrcData
->timings
) + 0x7) & (~0x7))
479 DEBUG ((EFI_D_INFO
, "IIO IoApicBase = %x IoApicLimit=%x\n", IOAPIC_BASE
, (IOAPIC_BASE
+ IOAPIC_SIZE
- 1)));
480 DEBUG ((EFI_D_INFO
, "IIO RcbaAddress = %x\n", (UINT32
)PcdGet64 (PcdRcbaMmioBaseAddress
)));
487 Load a configuration stored in a variable.
489 @param TimingData Timing data to be loaded from NVRAM.
490 @param RowConfArray Row configuration information for each row in the system.
492 @return EFI_SUCCESS The function completed successfully.
493 Other Could not read variable.
498 IN EFI_PEI_SERVICES
**PeiServices
,
499 IN EFI_PEI_READ_ONLY_VARIABLE2_PPI
*VariableServices
,
500 IN OUT MRC_PARAMS
*MrcData
505 PLATFORM_VARIABLE_MEMORY_CONFIG_DATA VarData
;
507 BufferSize
= ((sizeof (VarData
.timings
) + 0x7) & (~0x7)); // HOB data size (stored in variable) is required to be multiple of 8bytes
509 Status
= VariableServices
->GetVariable (
511 EFI_MEMORY_CONFIG_DATA_NAME
,
512 &gEfiMemoryConfigDataGuid
,
517 if (!EFI_ERROR (Status
)) {
518 CopyMem (&MrcData
->timings
, &VarData
.timings
, sizeof(MrcData
->timings
));
525 This function installs memory.
527 @param PeiServices PEI Services table.
528 @param BootMode The specific boot path that is being followed
529 @param Mch Pointer to the DualChannelDdrMemoryInit PPI
530 @param RowConfArray Row configuration information for each row in the system.
532 @return EFI_SUCCESS The function completed successfully.
533 EFI_INVALID_PARAMETER One of the input parameters was invalid.
534 EFI_ABORTED An error occurred.
539 IN EFI_PEI_SERVICES
**PeiServices
,
540 IN EFI_PEI_READ_ONLY_VARIABLE2_PPI
*VariableServices
,
541 IN EFI_BOOT_MODE BootMode
,
542 IN UINT32 TotalMemorySize
545 EFI_PHYSICAL_ADDRESS PeiMemoryBaseAddress
;
546 EFI_SMRAM_HOB_DESCRIPTOR_BLOCK
*SmramHobDescriptorBlock
;
548 EFI_PEI_HOB_POINTERS Hob
;
549 PEI_DUAL_CHANNEL_DDR_MEMORY_MAP_RANGE MemoryMap
[MAX_RANGES
];
554 UINT64 PeiMemoryLength
;
556 UINTN PeiMemoryIndex
;
557 UINTN RequiredMemSize
;
558 EFI_RESOURCE_ATTRIBUTE_TYPE Attribute
;
559 EFI_PHYSICAL_ADDRESS BadMemoryAddress
;
560 EFI_SMRAM_DESCRIPTOR DescriptorAcpiVariable
;
562 UINTN CapsuleBufferLength
;
563 PEI_CAPSULE_PPI
*Capsule
;
564 VOID
*LargeMemRangeBuf
;
565 UINTN LargeMemRangeBufLen
;
568 // Test the memory from 1M->TOM
570 if (BootMode
!= BOOT_ON_FLASH_UPDATE
) {
571 Status
= BaseMemoryTest (
574 (TotalMemorySize
- 0x100000),
578 ASSERT_EFI_ERROR (Status
);
583 // Get the Memory Map
585 NumRanges
= MAX_RANGES
;
587 ZeroMem (MemoryMap
, sizeof (PEI_DUAL_CHANNEL_DDR_MEMORY_MAP_RANGE
) * NumRanges
);
589 Status
= GetMemoryMap (
592 (PEI_DUAL_CHANNEL_DDR_MEMORY_MAP_RANGE
*) MemoryMap
,
595 ASSERT_EFI_ERROR (Status
);
598 // Find the highest memory range in processor native address space to give to
599 // PEI. Then take the top.
601 PeiMemoryBaseAddress
= 0;
604 // Query the platform for the minimum memory size
607 Status
= GetPlatformMemorySize (
612 ASSERT_EFI_ERROR (Status
);
615 // Get required memory size for ACPI use. This helps to put ACPI memory on the topest
618 RetriveRequiredMemorySize (PeiServices
, &RequiredMemSize
);
622 for (Index
= 0; Index
< NumRanges
; Index
++)
624 DEBUG ((EFI_D_INFO
, "Found 0x%x bytes at ", MemoryMap
[Index
].RangeLength
));
625 DEBUG ((EFI_D_INFO
, "0x%x.\n", MemoryMap
[Index
].PhysicalAddress
));
627 if ((MemoryMap
[Index
].Type
== DualChannelDdrMainMemory
) &&
628 (MemoryMap
[Index
].PhysicalAddress
+ MemoryMap
[Index
].RangeLength
< MAX_ADDRESS
) &&
629 (MemoryMap
[Index
].PhysicalAddress
>= PeiMemoryBaseAddress
) &&
630 (MemoryMap
[Index
].RangeLength
>= PeiMemoryLength
)) {
631 PeiMemoryBaseAddress
= MemoryMap
[Index
].PhysicalAddress
+
632 MemoryMap
[Index
].RangeLength
-
634 PeiMemoryIndex
= Index
;
639 // Find the largest memory range excluding that given to PEI.
641 LargeMemRangeBuf
= NULL
;
642 LargeMemRangeBufLen
= 0;
643 for (Index
= 0; Index
< NumRanges
; Index
++) {
644 if ((MemoryMap
[Index
].Type
== DualChannelDdrMainMemory
) &&
645 (MemoryMap
[Index
].PhysicalAddress
+ MemoryMap
[Index
].RangeLength
< MAX_ADDRESS
)) {
646 if (Index
!= PeiMemoryIndex
) {
647 if (MemoryMap
[Index
].RangeLength
> LargeMemRangeBufLen
) {
648 LargeMemRangeBuf
= (VOID
*) ((UINTN
) MemoryMap
[Index
].PhysicalAddress
);
649 LargeMemRangeBufLen
= (UINTN
) MemoryMap
[Index
].RangeLength
;
652 if ((MemoryMap
[Index
].RangeLength
- PeiMemoryLength
) >= LargeMemRangeBufLen
) {
653 LargeMemRangeBuf
= (VOID
*) ((UINTN
) MemoryMap
[Index
].PhysicalAddress
);
654 LargeMemRangeBufLen
= (UINTN
) (MemoryMap
[Index
].RangeLength
- PeiMemoryLength
);
661 CapsuleBuffer
= NULL
;
662 CapsuleBufferLength
= 0;
663 if (BootMode
== BOOT_ON_FLASH_UPDATE
) {
664 Status
= PeiServicesLocatePpi (
665 &gPeiCapsulePpiGuid
, // GUID
667 NULL
, // EFI_PEI_PPI_DESCRIPTOR
668 (VOID
**)&Capsule
// PPI
670 ASSERT_EFI_ERROR (Status
);
672 if (Status
== EFI_SUCCESS
) {
673 CapsuleBuffer
= LargeMemRangeBuf
;
674 CapsuleBufferLength
= LargeMemRangeBufLen
;
677 // Call the Capsule PPI Coalesce function to coalesce the capsule data.
679 Status
= Capsule
->Coalesce (
685 // If it failed, then NULL out our capsule PPI pointer so that the capsule
686 // HOB does not get created below.
688 if (Status
!= EFI_SUCCESS
) {
695 // Set up the IMR policy required for this platform
697 Status
= SetPlatformImrPolicy (
698 PeiMemoryBaseAddress
,
702 ASSERT_EFI_ERROR (Status
);
705 // Carve out the top memory reserved for ACPI
707 Status
= PeiServicesInstallPeiMemory (PeiMemoryBaseAddress
, (PeiMemoryLength
- RequiredMemSize
));
708 ASSERT_EFI_ERROR (Status
);
710 BuildResourceDescriptorHob (
711 EFI_RESOURCE_SYSTEM_MEMORY
, // MemoryType,
713 EFI_RESOURCE_ATTRIBUTE_PRESENT
|
714 EFI_RESOURCE_ATTRIBUTE_INITIALIZED
|
715 EFI_RESOURCE_ATTRIBUTE_TESTED
|
716 EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE
|
717 EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE
|
718 EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE
|
719 EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE
721 PeiMemoryBaseAddress
, // MemoryBegin
722 PeiMemoryLength
// MemoryLength
726 // Install physical memory descriptor hobs for each memory range.
729 for (Index
= 0; Index
< NumRanges
; Index
++) {
731 if (MemoryMap
[Index
].Type
== DualChannelDdrMainMemory
)
733 if (Index
== PeiMemoryIndex
) {
735 // This is a partially tested Main Memory range, give it to EFI
737 BuildResourceDescriptorHob (
738 EFI_RESOURCE_SYSTEM_MEMORY
,
740 EFI_RESOURCE_ATTRIBUTE_PRESENT
|
741 EFI_RESOURCE_ATTRIBUTE_INITIALIZED
|
742 EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE
|
743 EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE
|
744 EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE
|
745 EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE
747 MemoryMap
[Index
].PhysicalAddress
,
748 MemoryMap
[Index
].RangeLength
- PeiMemoryLength
752 // This is an untested Main Memory range, give it to EFI
754 BuildResourceDescriptorHob (
755 EFI_RESOURCE_SYSTEM_MEMORY
, // MemoryType,
757 EFI_RESOURCE_ATTRIBUTE_PRESENT
|
758 EFI_RESOURCE_ATTRIBUTE_INITIALIZED
|
759 EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE
|
760 EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE
|
761 EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE
|
762 EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE
764 MemoryMap
[Index
].PhysicalAddress
, // MemoryBegin
765 MemoryMap
[Index
].RangeLength
// MemoryLength
769 if ((MemoryMap
[Index
].Type
== DualChannelDdrSmramCacheable
) ||
770 (MemoryMap
[Index
].Type
== DualChannelDdrSmramNonCacheable
)) {
773 if ((MemoryMap
[Index
].Type
== DualChannelDdrSmramNonCacheable
) ||
774 (MemoryMap
[Index
].Type
== DualChannelDdrGraphicsMemoryNonCacheable
)) {
775 Attribute
|= EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE
;
777 if ((MemoryMap
[Index
].Type
== DualChannelDdrSmramCacheable
) ||
778 (MemoryMap
[Index
].Type
== DualChannelDdrGraphicsMemoryCacheable
)) {
780 // TSEG and HSEG can be used with a write-back(WB) cache policy; however,
781 // the specification requires that the TSEG and HSEG space be cached only
782 // inside of the SMI handler. when using HSEG or TSEG an IA-32 processor
783 // does not automatically write back and invalidate its cache before entering
784 // SMM or before existing SMM therefore any MTRR defined for the active TSEG
785 // or HSEG must be set to un-cacheable(UC) outside of SMM.
787 Attribute
|= EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE
| EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE
;
789 if (MemoryMap
[Index
].Type
== DualChannelDdrReservedMemory
) {
790 Attribute
|= EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE
|
791 EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE
;
794 // Make sure non-system memory is marked as reserved
796 BuildResourceDescriptorHob (
797 EFI_RESOURCE_MEMORY_RESERVED
, // MemoryType,
798 Attribute
, // MemoryAttribute
799 MemoryMap
[Index
].PhysicalAddress
, // MemoryBegin
800 MemoryMap
[Index
].RangeLength
// MemoryLength
806 // Allocate one extra EFI_SMRAM_DESCRIPTOR to describe a page of SMRAM memory that contains a pointer
807 // to the SMM Services Table that is required on the S3 resume path
809 ASSERT (SmramRanges
> 0);
810 BufferSize
= sizeof (EFI_SMRAM_HOB_DESCRIPTOR_BLOCK
);
811 BufferSize
+= ((SmramRanges
- 1) * sizeof (EFI_SMRAM_DESCRIPTOR
));
813 Hob
.Raw
= BuildGuidHob (
814 &gEfiSmmPeiSmramMemoryReserveGuid
,
819 SmramHobDescriptorBlock
= (EFI_SMRAM_HOB_DESCRIPTOR_BLOCK
*) (Hob
.Raw
);
820 SmramHobDescriptorBlock
->NumberOfSmmReservedRegions
= SmramRanges
;
823 for (Index
= 0; Index
< NumRanges
; Index
++) {
824 if ((MemoryMap
[Index
].Type
== DualChannelDdrSmramCacheable
) ||
825 (MemoryMap
[Index
].Type
== DualChannelDdrSmramNonCacheable
)
828 // This is an SMRAM range, create an SMRAM descriptor
830 SmramHobDescriptorBlock
->Descriptor
[SmramIndex
].PhysicalStart
= MemoryMap
[Index
].PhysicalAddress
;
831 SmramHobDescriptorBlock
->Descriptor
[SmramIndex
].CpuStart
= MemoryMap
[Index
].CpuAddress
;
832 SmramHobDescriptorBlock
->Descriptor
[SmramIndex
].PhysicalSize
= MemoryMap
[Index
].RangeLength
;
833 if (MemoryMap
[Index
].Type
== DualChannelDdrSmramCacheable
) {
834 SmramHobDescriptorBlock
->Descriptor
[SmramIndex
].RegionState
= EFI_SMRAM_CLOSED
| EFI_CACHEABLE
;
836 SmramHobDescriptorBlock
->Descriptor
[SmramIndex
].RegionState
= EFI_SMRAM_CLOSED
;
844 // Build a HOB with the location of the reserved memory range.
846 CopyMem(&DescriptorAcpiVariable
, &SmramHobDescriptorBlock
->Descriptor
[SmramRanges
-1], sizeof(EFI_SMRAM_DESCRIPTOR
));
847 DescriptorAcpiVariable
.CpuStart
+= RESERVED_CPU_S3_SAVE_OFFSET
;
849 &gEfiAcpiVariableGuid
,
850 &DescriptorAcpiVariable
,
851 sizeof (EFI_SMRAM_DESCRIPTOR
)
855 // If we found the capsule PPI (and we didn't have errors), then
856 // call the capsule PEIM to allocate memory for the capsule.
858 if (Capsule
!= NULL
) {
859 Status
= Capsule
->CreateState (PeiServices
, CapsuleBuffer
, CapsuleBufferLength
);
867 Find memory that is reserved so PEI has some to use.
869 @param PeiServices PEI Services table.
870 @param VariableSevices Variable PPI instance.
872 @return EFI_SUCCESS The function completed successfully.
873 Error value from LocatePpi()
874 Error Value from VariableServices->GetVariable()
879 IN EFI_PEI_SERVICES
**PeiServices
,
880 IN EFI_PEI_READ_ONLY_VARIABLE2_PPI
*VariableServices
,
881 IN UINT32 TotalMemorySize
892 EFI_PEI_HOB_POINTERS Hob
;
893 EFI_SMRAM_HOB_DESCRIPTOR_BLOCK
*SmramHobDescriptorBlock
;
894 PEI_DUAL_CHANNEL_DDR_MEMORY_MAP_RANGE MemoryMap
[MAX_RANGES
];
895 RESERVED_ACPI_S3_RANGE
*S3MemoryRangeData
;
896 EFI_SMRAM_DESCRIPTOR DescriptorAcpiVariable
;
899 // Get the Memory Map
901 NumRanges
= MAX_RANGES
;
903 ZeroMem (MemoryMap
, sizeof (PEI_DUAL_CHANNEL_DDR_MEMORY_MAP_RANGE
) * NumRanges
);
905 Status
= GetMemoryMap (
908 (PEI_DUAL_CHANNEL_DDR_MEMORY_MAP_RANGE
*) MemoryMap
,
911 ASSERT_EFI_ERROR (Status
);
914 // Install physical memory descriptor hobs for each memory range.
917 for (Index
= 0; Index
< NumRanges
; Index
++) {
918 if ((MemoryMap
[Index
].Type
== DualChannelDdrSmramCacheable
) ||
919 (MemoryMap
[Index
].Type
== DualChannelDdrSmramNonCacheable
)) {
924 ASSERT (SmramRanges
> 0);
927 // Allocate one extra EFI_SMRAM_DESCRIPTOR to describe a page of SMRAM memory that contains a pointer
928 // to the SMM Services Table that is required on the S3 resume path
930 BufferSize
= sizeof (EFI_SMRAM_HOB_DESCRIPTOR_BLOCK
);
931 if (SmramRanges
> 0) {
932 BufferSize
+= ((SmramRanges
- 1) * sizeof (EFI_SMRAM_DESCRIPTOR
));
935 Hob
.Raw
= BuildGuidHob (
936 &gEfiSmmPeiSmramMemoryReserveGuid
,
941 SmramHobDescriptorBlock
= (EFI_SMRAM_HOB_DESCRIPTOR_BLOCK
*) (Hob
.Raw
);
942 SmramHobDescriptorBlock
->NumberOfSmmReservedRegions
= SmramRanges
;
945 for (Index
= 0; Index
< NumRanges
; Index
++) {
946 if ((MemoryMap
[Index
].Type
== DualChannelDdrSmramCacheable
) ||
947 (MemoryMap
[Index
].Type
== DualChannelDdrSmramNonCacheable
)
950 // This is an SMRAM range, create an SMRAM descriptor
952 SmramHobDescriptorBlock
->Descriptor
[SmramIndex
].PhysicalStart
= MemoryMap
[Index
].PhysicalAddress
;
953 SmramHobDescriptorBlock
->Descriptor
[SmramIndex
].CpuStart
= MemoryMap
[Index
].CpuAddress
;
954 SmramHobDescriptorBlock
->Descriptor
[SmramIndex
].PhysicalSize
= MemoryMap
[Index
].RangeLength
;
955 if (MemoryMap
[Index
].Type
== DualChannelDdrSmramCacheable
) {
956 SmramHobDescriptorBlock
->Descriptor
[SmramIndex
].RegionState
= EFI_SMRAM_CLOSED
| EFI_CACHEABLE
;
958 SmramHobDescriptorBlock
->Descriptor
[SmramIndex
].RegionState
= EFI_SMRAM_CLOSED
;
966 // Build a HOB with the location of the reserved memory range.
968 CopyMem(&DescriptorAcpiVariable
, &SmramHobDescriptorBlock
->Descriptor
[SmramRanges
-1], sizeof(EFI_SMRAM_DESCRIPTOR
));
969 DescriptorAcpiVariable
.CpuStart
+= RESERVED_CPU_S3_SAVE_OFFSET
;
971 &gEfiAcpiVariableGuid
,
972 &DescriptorAcpiVariable
,
973 sizeof (EFI_SMRAM_DESCRIPTOR
)
977 // Get the location and size of the S3 memory range in the reserved page and
978 // install it as PEI Memory.
981 DEBUG ((EFI_D_INFO
, "TSEG Base = 0x%08x\n", SmramHobDescriptorBlock
->Descriptor
[SmramRanges
-1].PhysicalStart
));
982 S3MemoryRangeData
= (RESERVED_ACPI_S3_RANGE
*)(UINTN
)
983 (SmramHobDescriptorBlock
->Descriptor
[SmramRanges
-1].PhysicalStart
+ RESERVED_ACPI_S3_RANGE_OFFSET
);
985 S3MemoryBase
= (UINTN
) (S3MemoryRangeData
->AcpiReservedMemoryBase
);
986 DEBUG ((EFI_D_INFO
, "S3MemoryBase = 0x%08x\n", S3MemoryBase
));
987 S3MemorySize
= (UINTN
) (S3MemoryRangeData
->AcpiReservedMemorySize
);
988 DEBUG ((EFI_D_INFO
, "S3MemorySize = 0x%08x\n", S3MemorySize
));
990 Status
= PeiServicesInstallPeiMemory (S3MemoryBase
, S3MemorySize
);
991 ASSERT_EFI_ERROR (Status
);
994 // Retrieve the system memory length and build memory hob for the system
995 // memory above 1MB. So Memory Callback can set cache for the system memory
996 // correctly on S3 boot path, just like it does on Normal boot path.
998 ASSERT_EFI_ERROR ((S3MemoryRangeData
->SystemMemoryLength
- 0x100000) > 0);
999 BuildResourceDescriptorHob (
1000 EFI_RESOURCE_SYSTEM_MEMORY
,
1002 EFI_RESOURCE_ATTRIBUTE_PRESENT
|
1003 EFI_RESOURCE_ATTRIBUTE_INITIALIZED
|
1004 EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE
|
1005 EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE
|
1006 EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE
|
1007 EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE
1010 S3MemoryRangeData
->SystemMemoryLength
- 0x100000
1013 for (Index
= 0; Index
< NumRanges
; Index
++) {
1014 if ((MemoryMap
[Index
].Type
== DualChannelDdrMainMemory
) &&
1015 (MemoryMap
[Index
].PhysicalAddress
+ MemoryMap
[Index
].RangeLength
< 0x100000)) {
1016 BuildResourceDescriptorHob (
1017 EFI_RESOURCE_SYSTEM_MEMORY
,
1019 EFI_RESOURCE_ATTRIBUTE_PRESENT
|
1020 EFI_RESOURCE_ATTRIBUTE_INITIALIZED
|
1021 EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE
|
1022 EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE
|
1023 EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE
|
1024 EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE
1026 MemoryMap
[Index
].PhysicalAddress
,
1027 MemoryMap
[Index
].RangeLength
1029 DEBUG ((EFI_D_INFO
, "Build resource HOB for Legacy Region on S3 patch :"));
1030 DEBUG ((EFI_D_INFO
, " Memory Base:0x%lX Length:0x%lX\n", MemoryMap
[Index
].PhysicalAddress
, MemoryMap
[Index
].RangeLength
));
1039 This function returns the size, in bytes, required for the DXE phase.
1041 @param PeiServices PEI Services table.
1042 @param Size Pointer to the size, in bytes, required for the DXE phase.
1048 RetriveRequiredMemorySize (
1049 IN EFI_PEI_SERVICES
**PeiServices
,
1054 EFI_PEI_HOB_POINTERS Hob
;
1055 EFI_MEMORY_TYPE_INFORMATION
*MemoryData
;
1063 Status
= PeiServicesGetHobList ((VOID
**)&Hob
.Raw
);
1064 while (!END_OF_HOB_LIST (Hob
)) {
1065 if (Hob
.Header
->HobType
== EFI_HOB_TYPE_GUID_EXTENSION
&&
1066 CompareGuid (&Hob
.Guid
->Name
, &gEfiMemoryTypeInformationGuid
)
1068 MemoryData
= (EFI_MEMORY_TYPE_INFORMATION
*) (Hob
.Raw
+ sizeof (EFI_HOB_GENERIC_HEADER
) + sizeof (EFI_GUID
));
1072 Hob
.Raw
= GET_NEXT_HOB (Hob
);
1075 // Platform PEIM should supply such a information. Generic PEIM doesn't assume any default value
1081 while (MemoryData
[Index
].Type
!= EfiMaxMemoryType
) {
1083 // Accumulate default memory size requirements
1085 TempPageNum
+= MemoryData
[Index
].NumberOfPages
;
1089 if (TempPageNum
== 0) {
1094 // Add additional pages used by DXE memory manager
1096 (*Size
) = (TempPageNum
+ EDKII_DXE_MEM_SIZE_PAGES
) * EFI_PAGE_SIZE
;
1103 This function returns the memory ranges to be enabled, along with information
1104 describing how the range should be used.
1106 @param PeiServices PEI Services Table.
1107 @param TimingData Detected DDR timing parameters for installed memory.
1108 @param RowConfArray Pointer to an array of EFI_DUAL_CHANNEL_DDR_ROW_CONFIG structures. The number
1109 of items in the array must match MaxRows returned by the McGetRowInfo() function.
1110 @param MemoryMap Buffer to record details of the memory ranges tobe enabled.
1111 @param NumRanges On input, this contains the maximum number of memory ranges that can be described
1112 in the MemoryMap buffer.
1114 @return MemoryMap The buffer will be filled in
1115 NumRanges will contain the actual number of memory ranges that are to be anabled.
1116 EFI_SUCCESS The function completed successfully.
1121 IN EFI_PEI_SERVICES
**PeiServices
,
1122 IN UINT32 TotalMemorySize
,
1123 IN OUT PEI_DUAL_CHANNEL_DDR_MEMORY_MAP_RANGE
*MemoryMap
,
1124 IN OUT UINT8
*NumRanges
1127 EFI_PHYSICAL_ADDRESS MemorySize
;
1128 EFI_PHYSICAL_ADDRESS RowLength
;
1130 PEI_MEMORY_RANGE_PCI_MEMORY PciMemoryMask
;
1131 PEI_MEMORY_RANGE_OPTION_ROM OptionRomMask
;
1132 PEI_MEMORY_RANGE_SMRAM SmramMask
;
1133 PEI_MEMORY_RANGE_SMRAM TsegMask
;
1135 UINT8 EsmramcRegister
;
1136 UINT8 ExtendedMemoryIndex
;
1139 if ((*NumRanges
) < MAX_RANGES
) {
1140 return EFI_BUFFER_TOO_SMALL
;
1146 // Find out which memory ranges to reserve on this platform
1148 Status
= ChooseRanges (
1153 ASSERT_EFI_ERROR (Status
);
1156 // Generate Memory ranges for the memory map.
1158 EsmramcRegister
= 0;
1161 RowLength
= TotalMemorySize
;
1164 // Add memory below 640KB to the memory map. Make sure memory between
1165 // 640KB and 1MB are reserved, even if not used for SMRAM
1167 MemoryMap
[*NumRanges
].PhysicalAddress
= MemorySize
;
1168 MemoryMap
[*NumRanges
].CpuAddress
= MemorySize
;
1169 MemoryMap
[*NumRanges
].RangeLength
= 0xA0000;
1170 MemoryMap
[*NumRanges
].Type
= DualChannelDdrMainMemory
;
1174 // Just mark this range reserved
1176 MemoryMap
[*NumRanges
].PhysicalAddress
= 0xA0000;
1177 MemoryMap
[*NumRanges
].CpuAddress
= 0xA0000;
1178 MemoryMap
[*NumRanges
].RangeLength
= 0x60000;
1179 MemoryMap
[*NumRanges
].Type
= DualChannelDdrReservedMemory
;
1182 RowLength
-= (0x100000 - MemorySize
);
1183 MemorySize
= 0x100000;
1186 // Add remaining memory to the memory map
1188 MemoryMap
[*NumRanges
].PhysicalAddress
= MemorySize
;
1189 MemoryMap
[*NumRanges
].CpuAddress
= MemorySize
;
1190 MemoryMap
[*NumRanges
].RangeLength
= RowLength
;
1191 MemoryMap
[*NumRanges
].Type
= DualChannelDdrMainMemory
;
1193 MemorySize
+= RowLength
;
1195 ExtendedMemoryIndex
= (UINT8
) (*NumRanges
- 1);
1197 // See if we need to trim TSEG out of the highest memory range
1199 if (SmramMask
& PEI_MR_SMRAM_TSEG_MASK
) {//pcd
1201 // Create the new range for TSEG and remove that range from the previous SdrDdrMainMemory range
1203 TsegMask
= (SmramMask
& PEI_MR_SMRAM_SIZE_MASK
);
1215 MemoryMap
[*NumRanges
].RangeLength
= (BlockNum
* 128 * 1024);
1216 Register
= (UINT32
)((MemorySize
- 1) & SMM_END_MASK
);
1217 MemorySize
-= MemoryMap
[*NumRanges
].RangeLength
;
1218 MemoryMap
[*NumRanges
].PhysicalAddress
= MemorySize
;
1219 MemoryMap
[*NumRanges
].CpuAddress
= MemorySize
;
1220 MemoryMap
[ExtendedMemoryIndex
].RangeLength
-= MemoryMap
[*NumRanges
].RangeLength
;
1223 // Update QuarkNcSoc HSMMCTL register
1225 Register
|= (UINT32
)(((RShiftU64(MemorySize
, 16)) & SMM_START_MASK
) + (SMM_WRITE_OPEN
| SMM_READ_OPEN
| SMM_CODE_RD_OPEN
));
1226 QncHsmmcWrite (Register
);
1230 // Chipset only supports cacheable SMRAM
1232 MemoryMap
[*NumRanges
].Type
= DualChannelDdrSmramCacheable
;
1238 // trim 64K memory from highest memory range for Rmu Main binary shadow
1240 MemoryMap
[*NumRanges
].RangeLength
= 0x10000;
1241 MemorySize
-= MemoryMap
[*NumRanges
].RangeLength
;
1242 MemoryMap
[*NumRanges
].PhysicalAddress
= MemorySize
;
1243 MemoryMap
[*NumRanges
].CpuAddress
= MemorySize
;
1244 MemoryMap
[ExtendedMemoryIndex
].RangeLength
-= MemoryMap
[*NumRanges
].RangeLength
;
1245 MemoryMap
[*NumRanges
].Type
= DualChannelDdrReservedMemory
;
1253 Routine Description:
1255 Fill in bit masks to specify reserved memory ranges on the Lakeport platform
1261 OptionRomMask - Bit mask specifying memory regions reserved for Legacy option
1264 SmramMask - Bit mask specifying memory regions reserved for SMM use (if any)
1269 IN OUT PEI_MEMORY_RANGE_OPTION_ROM
*OptionRomMask
,
1270 IN OUT PEI_MEMORY_RANGE_SMRAM
*SmramMask
,
1271 IN OUT PEI_MEMORY_RANGE_PCI_MEMORY
*PciMemoryMask
1276 // Choose regions to reserve for Option ROM use
1278 *OptionRomMask
= PEI_MR_OPTION_ROM_NONE
;
1281 // Choose regions to reserve for SMM use (AB/H SEG and TSEG). Size is in 128K blocks
1283 *SmramMask
= PEI_MR_SMRAM_CACHEABLE_MASK
| PEI_MR_SMRAM_TSEG_MASK
| ((PcdGet32(PcdTSegSize
)) >> 17);
1291 GetPlatformMemorySize (
1292 IN EFI_PEI_SERVICES
**PeiServices
,
1293 IN EFI_BOOT_MODE BootMode
,
1294 IN OUT UINT64
*MemorySize
1298 EFI_PEI_READ_ONLY_VARIABLE2_PPI
*Variable
;
1300 EFI_MEMORY_TYPE_INFORMATION MemoryData
[EfiMaxMemoryType
+ 1];
1303 DataSize
= sizeof (MemoryData
);
1305 if (BootMode
== BOOT_IN_RECOVERY_MODE
) {
1308 // // Treat recovery as if variable not found (eg 1st boot).
1310 Status
= EFI_NOT_FOUND
;
1313 Status
= PeiServicesLocatePpi (
1314 &gEfiPeiReadOnlyVariable2PpiGuid
,
1320 ASSERT_EFI_ERROR (Status
);
1322 DataSize
= sizeof (MemoryData
);
1323 Status
= Variable
->GetVariable (
1325 EFI_MEMORY_TYPE_INFORMATION_VARIABLE_NAME
,
1326 &gEfiMemoryTypeInformationGuid
,
1334 // Accumulate maximum amount of memory needed
1336 if (EFI_ERROR (Status
)) {
1338 // Start with minimum memory
1340 *MemorySize
= PEI_MIN_MEMORY_SIZE
;
1342 for (Index
= 0; Index
< sizeof(mDefaultQncMemoryTypeInformation
) / sizeof (EFI_MEMORY_TYPE_INFORMATION
); Index
++) {
1343 *MemorySize
+= mDefaultQncMemoryTypeInformation
[Index
].NumberOfPages
* EFI_PAGE_SIZE
;
1347 // Build the GUID'd HOB for DXE
1350 &gEfiMemoryTypeInformationGuid
,
1351 mDefaultQncMemoryTypeInformation
,
1352 sizeof(mDefaultQncMemoryTypeInformation
)
1356 // Start with at least PEI_MIN_MEMORY_SIZE pages of memory for the DXE Core and the DXE Stack
1359 *MemorySize
= PEI_MIN_MEMORY_SIZE
;
1360 for (Index
= 0; Index
< DataSize
/ sizeof (EFI_MEMORY_TYPE_INFORMATION
); Index
++) {
1361 DEBUG ((EFI_D_INFO
, "Index %d, Page: %d\n", Index
, MemoryData
[Index
].NumberOfPages
));
1362 *MemorySize
+= MemoryData
[Index
].NumberOfPages
* EFI_PAGE_SIZE
;
1366 // Build the GUID'd HOB for DXE
1369 &gEfiMemoryTypeInformationGuid
,
1382 IN EFI_PEI_SERVICES
**PeiServices
,
1383 IN EFI_PHYSICAL_ADDRESS BeginAddress
,
1384 IN UINT64 MemoryLength
,
1385 IN PEI_MEMORY_TEST_OP Operation
,
1386 OUT EFI_PHYSICAL_ADDRESS
*ErrorAddress
1390 EFI_PHYSICAL_ADDRESS TempAddress
;
1393 TestPattern
= 0x5A5A5A5A;
1397 // Make sure we don't try and test anything above the max physical address range
1399 ASSERT (BeginAddress
+ MemoryLength
< MAX_ADDRESS
);
1401 switch (Operation
) {
1416 // Write the test pattern into memory range
1418 TempAddress
= BeginAddress
;
1419 while (TempAddress
< BeginAddress
+ MemoryLength
) {
1420 (*(UINT32
*) (UINTN
) TempAddress
) = TestPattern
;
1421 TempAddress
+= SpanSize
;
1424 // Read pattern from memory and compare it
1426 TempAddress
= BeginAddress
;
1427 while (TempAddress
< BeginAddress
+ MemoryLength
) {
1428 if ((*(UINT32
*) (UINTN
) TempAddress
) != TestPattern
) {
1429 *ErrorAddress
= TempAddress
;
1430 DEBUG ((EFI_D_ERROR
, "Memory test failed at 0x%x.\n", TempAddress
));
1431 return EFI_DEVICE_ERROR
;
1434 TempAddress
+= SpanSize
;
1443 This function sets up the platform specific IMR protection for the various
1446 @param PeiMemoryBaseAddress Base address of memory allocated for PEI.
1447 @param PeiMemoryLength Length in bytes of the PEI memory (includes ACPI memory).
1448 @param RequiredMemSize Size in bytes of the ACPI/Runtime memory
1450 @return EFI_SUCCESS The function completed successfully.
1451 EFI_ACCESS_DENIED Access to IMRs failed.
1455 SetPlatformImrPolicy (
1456 IN EFI_PHYSICAL_ADDRESS PeiMemoryBaseAddress
,
1457 IN UINT64 PeiMemoryLength
,
1458 IN UINTN RequiredMemSize
1466 // Check what Soc we are running on (read Host bridge DeviceId)
1468 DeviceId
= QNCMmPci16(0, MC_BUS
, MC_DEV
, MC_FUN
, PCI_DEVICE_ID_OFFSET
);
1471 // If any IMR register is locked then we cannot proceed
1473 for (Index
= (QUARK_NC_MEMORY_MANAGER_IMR0
+QUARK_NC_MEMORY_MANAGER_IMRXL
); Index
<=(QUARK_NC_MEMORY_MANAGER_IMR7
+QUARK_NC_MEMORY_MANAGER_IMRXL
); Index
=Index
+4)
1475 Register
= QNCPortRead (QUARK_NC_MEMORY_MANAGER_SB_PORT_ID
, Index
);
1476 if (Register
& IMR_LOCK
) {
1477 return EFI_ACCESS_DENIED
;
1482 // Add IMR0 protection for the 'PeiMemory'
1485 QUARK_NC_MEMORY_MANAGER_IMR0
,
1486 (UINT32
)(((RShiftU64(PeiMemoryBaseAddress
, 8)) & IMRL_MASK
) | IMR_EN
),
1487 (UINT32
)((RShiftU64((PeiMemoryBaseAddress
+PeiMemoryLength
-RequiredMemSize
+ EFI_PAGES_TO_SIZE(EDKII_DXE_MEM_SIZE_PAGES
-1) - 1), 8)) & IMRL_MASK
),
1488 (UINT32
)(CPU_SNOOP
+ CPU0_NON_SMM
),
1489 (UINT32
)(CPU_SNOOP
+ CPU0_NON_SMM
)
1493 // Add IMR2 protection for shadowed RMU binary.
1496 QUARK_NC_MEMORY_MANAGER_IMR2
,
1497 (UINT32
)(((RShiftU64((PeiMemoryBaseAddress
+PeiMemoryLength
), 8)) & IMRH_MASK
) | IMR_EN
),
1498 (UINT32
)((RShiftU64((PeiMemoryBaseAddress
+PeiMemoryLength
+PcdGet32(PcdFlashQNCMicrocodeSize
)-1), 8)) & IMRH_MASK
),
1499 (UINT32
)(CPU_SNOOP
+ RMU
+ CPU0_NON_SMM
),
1500 (UINT32
)(CPU_SNOOP
+ RMU
+ CPU0_NON_SMM
)
1504 // Add IMR3 protection for the default SMRAM.
1507 QUARK_NC_MEMORY_MANAGER_IMR3
,
1508 (UINT32
)(((RShiftU64((SMM_DEFAULT_SMBASE
), 8)) & IMRL_MASK
) | IMR_EN
),
1509 (UINT32
)((RShiftU64((SMM_DEFAULT_SMBASE
+SMM_DEFAULT_SMBASE_SIZE_BYTES
-1), 8)) & IMRH_MASK
),
1510 (UINT32
)(CPU_SNOOP
+ CPU0_NON_SMM
),
1511 (UINT32
)(CPU_SNOOP
+ CPU0_NON_SMM
)
1515 // Add IMR5 protection for the legacy S3 and AP Startup Vector region (below 1MB).
1518 QUARK_NC_MEMORY_MANAGER_IMR5
,
1519 (UINT32
)(((RShiftU64(AP_STARTUP_VECTOR
, 8)) & IMRL_MASK
) | IMR_EN
),
1520 (UINT32
)((RShiftU64((AP_STARTUP_VECTOR
+ EFI_PAGE_SIZE
- 1), 8)) & IMRH_MASK
),
1521 (UINT32
)(CPU_SNOOP
+ CPU0_NON_SMM
),
1522 (UINT32
)(CPU_SNOOP
+ CPU0_NON_SMM
)
1526 // Add IMR6 protection for the ACPI Reclaim/ACPI/Runtime Services.
1529 QUARK_NC_MEMORY_MANAGER_IMR6
,
1530 (UINT32
)(((RShiftU64((PeiMemoryBaseAddress
+PeiMemoryLength
-RequiredMemSize
+EFI_PAGES_TO_SIZE(EDKII_DXE_MEM_SIZE_PAGES
-1)), 8)) & IMRL_MASK
) | IMR_EN
),
1531 (UINT32
)((RShiftU64((PeiMemoryBaseAddress
+PeiMemoryLength
-EFI_PAGE_SIZE
-1), 8)) & IMRH_MASK
),
1532 (UINT32
)(CPU_SNOOP
+ CPU0_NON_SMM
),
1533 (UINT32
)(CPU_SNOOP
+ CPU0_NON_SMM
)
1537 // Enable IMR4 protection of eSRAM.
1540 QUARK_NC_MEMORY_MANAGER_IMR4
,
1541 (UINT32
)(((RShiftU64((UINTN
)PcdGet32 (PcdEsramStage1Base
), 8)) & IMRL_MASK
) | IMR_EN
),
1542 (UINT32
)((RShiftU64(((UINTN
)PcdGet32 (PcdEsramStage1Base
) + (UINTN
)PcdGet32 (PcdESramMemorySize
) - 1), 8)) & IMRH_MASK
),
1543 (UINT32
)(CPU_SNOOP
+ CPU0_NON_SMM
),
1544 (UINT32
)(CPU_SNOOP
+ CPU0_NON_SMM
)
1548 // Enable Interrupt on IMR/SMM Violation
1550 QNCPortWrite (QUARK_NC_MEMORY_MANAGER_SB_PORT_ID
, QUARK_NC_MEMORY_MANAGER_BIMRVCTL
, (UINT32
)(EnableIMRInt
));
1551 if (DeviceId
== QUARK2_MC_DEVICE_ID
) {
1552 QNCPortWrite (QUARK_NC_MEMORY_MANAGER_SB_PORT_ID
, QUARK_NC_MEMORY_MANAGER_BSMMVCTL
, (UINT32
)(EnableSMMInt
));
1556 // Disable IMR7 memory protection (eSRAM + DDR3 memory) since our policies
1560 QUARK_NC_MEMORY_MANAGER_IMR7
,
1561 (UINT32
)(IMRL_RESET
& ~IMR_EN
),
1563 (UINT32
)IMRX_ALL_ACCESS
,
1564 (UINT32
)IMRX_ALL_ACCESS
1570 /** Return info derived from Installing Memory by MemoryInit.
1572 @param[out] RmuMainBaseAddressPtr Return RmuMainBaseAddress to this location.
1573 @param[out] SmramDescriptorPtr Return start of Smram descriptor list to this location.
1574 @param[out] NumSmramRegionsPtr Return numbers of Smram regions to this location.
1576 @return Address of RMU shadow region at the top of available memory.
1577 @return List of Smram descriptors for each Smram region.
1578 @return Numbers of Smram regions.
1582 InfoPostInstallMemory (
1583 OUT UINT32
*RmuMainBaseAddressPtr OPTIONAL
,
1584 OUT EFI_SMRAM_DESCRIPTOR
**SmramDescriptorPtr OPTIONAL
,
1585 OUT UINTN
*NumSmramRegionsPtr OPTIONAL
1589 EFI_PEI_HOB_POINTERS Hob
;
1591 EFI_SMRAM_HOB_DESCRIPTOR_BLOCK
*SmramHobDescriptorBlock
;
1593 if ((RmuMainBaseAddressPtr
== NULL
) && (SmramDescriptorPtr
== NULL
) && (NumSmramRegionsPtr
== NULL
)) {
1597 SmramHobDescriptorBlock
= NULL
;
1598 if (SmramDescriptorPtr
!= NULL
) {
1599 *SmramDescriptorPtr
= NULL
;
1601 if (NumSmramRegionsPtr
!= NULL
) {
1602 *NumSmramRegionsPtr
= 0;
1606 // Calculate RMU shadow region base address.
1607 // Set to 1 MB. Since 1MB cacheability will always be set
1608 // until override by CSM.
1610 CalcLength
= 0x100000;
1612 Status
= PeiServicesGetHobList ((VOID
**) &Hob
.Raw
);
1613 ASSERT_EFI_ERROR (Status
);
1614 while (!END_OF_HOB_LIST (Hob
)) {
1615 if (Hob
.Header
->HobType
== EFI_HOB_TYPE_RESOURCE_DESCRIPTOR
) {
1616 if (Hob
.ResourceDescriptor
->ResourceType
== EFI_RESOURCE_SYSTEM_MEMORY
) {
1618 // Skip the memory region below 1MB
1620 if (Hob
.ResourceDescriptor
->PhysicalStart
>= 0x100000) {
1621 CalcLength
+= (UINT64
) (Hob
.ResourceDescriptor
->ResourceLength
);
1624 } else if (Hob
.Header
->HobType
== EFI_HOB_TYPE_GUID_EXTENSION
) {
1625 if (CompareGuid (&(Hob
.Guid
->Name
), &gEfiSmmPeiSmramMemoryReserveGuid
)) {
1626 SmramHobDescriptorBlock
= (VOID
*) (Hob
.Raw
+ sizeof (EFI_HOB_GUID_TYPE
));
1627 if (SmramDescriptorPtr
!= NULL
) {
1628 *SmramDescriptorPtr
= SmramHobDescriptorBlock
->Descriptor
;
1630 if (NumSmramRegionsPtr
!= NULL
) {
1631 *NumSmramRegionsPtr
= SmramHobDescriptorBlock
->NumberOfSmmReservedRegions
;
1635 Hob
.Raw
= GET_NEXT_HOB (Hob
);
1638 if (RmuMainBaseAddressPtr
!= NULL
) {
1639 *RmuMainBaseAddressPtr
= (UINT32
) CalcLength
;