/** @file
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*
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* Copyright (c) 2018-2020, ARM Limited. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-2-Clause-Patent
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*
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**/
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#include <Library/ArmPlatformLib.h>
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#include <Library/DebugLib.h>
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#include <Library/HobLib.h>
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#include <Library/PcdLib.h>
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#include <Library/IoLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <SgiPlatform.h>
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// Total number of descriptors, including the final "end-of-table" descriptor.
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#define MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS \
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(14 + (FixedPcdGet32 (PcdChipCount) * 2))
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/**
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Returns the Virtual Memory Map of the platform.
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This Virtual Memory Map is used by MemoryInitPei Module to initialize the MMU
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on your platform.
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@param[out] VirtualMemoryMap Array of ARM_MEMORY_REGION_DESCRIPTOR describing
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a Physical-to-Virtual Memory mapping. This array
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must be ended by a zero-filled entry.
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**/
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VOID
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ArmPlatformGetVirtualMemoryMap (
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IN ARM_MEMORY_REGION_DESCRIPTOR** VirtualMemoryMap
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)
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{
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UINTN Index;
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ARM_MEMORY_REGION_DESCRIPTOR *VirtualMemoryTable;
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EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttributes;
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ResourceAttributes =
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EFI_RESOURCE_ATTRIBUTE_PRESENT |
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EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
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EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |
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EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |
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EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
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EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE |
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EFI_RESOURCE_ATTRIBUTE_TESTED;
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BuildResourceDescriptorHob (
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EFI_RESOURCE_SYSTEM_MEMORY,
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ResourceAttributes,
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FixedPcdGet64 (PcdDramBlock2Base),
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FixedPcdGet64 (PcdDramBlock2Size));
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#if (FixedPcdGet32 (PcdChipCount) > 1)
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BuildResourceDescriptorHob (
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EFI_RESOURCE_SYSTEM_MEMORY,
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ResourceAttributes,
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SYSTEM_MEMORY_BASE_REMOTE (1),
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PcdGet64 (PcdSystemMemorySize));
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BuildResourceDescriptorHob (
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EFI_RESOURCE_SYSTEM_MEMORY,
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ResourceAttributes,
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DRAM_BLOCK2_BASE_REMOTE (1),
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FixedPcdGet64 (PcdDramBlock2Size));
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#if (FixedPcdGet32 (PcdChipCount) > 2)
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BuildResourceDescriptorHob (
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EFI_RESOURCE_SYSTEM_MEMORY,
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ResourceAttributes,
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SYSTEM_MEMORY_BASE_REMOTE (2),
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FixedPcdGet64 (PcdSystemMemorySize));
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BuildResourceDescriptorHob (
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EFI_RESOURCE_SYSTEM_MEMORY,
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ResourceAttributes,
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DRAM_BLOCK2_BASE_REMOTE (2),
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FixedPcdGet64 (PcdDramBlock2Size));
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#if (FixedPcdGet32 (PcdChipCount) > 3)
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BuildResourceDescriptorHob (
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EFI_RESOURCE_SYSTEM_MEMORY,
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ResourceAttributes,
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SYSTEM_MEMORY_BASE_REMOTE (3),
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FixedPcdGet64 (PcdSystemMemorySize));
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BuildResourceDescriptorHob (
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EFI_RESOURCE_SYSTEM_MEMORY,
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ResourceAttributes,
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DRAM_BLOCK2_BASE_REMOTE (3),
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FixedPcdGet64 (PcdDramBlock2Size));
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#endif
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#endif
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#endif
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ASSERT (VirtualMemoryMap != NULL);
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Index = 0;
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VirtualMemoryTable = (ARM_MEMORY_REGION_DESCRIPTOR*)AllocatePages
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(EFI_SIZE_TO_PAGES (sizeof (ARM_MEMORY_REGION_DESCRIPTOR) *
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MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS));
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if (VirtualMemoryTable == NULL) {
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return;
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}
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// Expansion AXI - SMC Chip Select 0 (NOR Flash)
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VirtualMemoryTable[Index].PhysicalBase = FixedPcdGet64 (PcdSmcCs0Base);
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VirtualMemoryTable[Index].VirtualBase = FixedPcdGet64 (PcdSmcCs0Base);
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VirtualMemoryTable[Index].Length = SIZE_64MB;
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VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
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// Expansion AXI - SMC Chip Select 1 (NOR Flash)
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VirtualMemoryTable[++Index].PhysicalBase = FixedPcdGet64 (PcdSmcCs1Base);
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VirtualMemoryTable[Index].VirtualBase = FixedPcdGet64 (PcdSmcCs1Base);
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VirtualMemoryTable[Index].Length = SIZE_64MB;
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VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
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// Expansion AXI - System Peripherals
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VirtualMemoryTable[++Index].PhysicalBase = FixedPcdGet64 (PcdSysPeriphBase);
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VirtualMemoryTable[Index].VirtualBase = FixedPcdGet64 (PcdSysPeriphBase);
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VirtualMemoryTable[Index].Length = SIZE_32MB;
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VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
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// Sub System Peripherals - Generic Watchdog
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VirtualMemoryTable[++Index].PhysicalBase = FixedPcdGet32 (PcdWdogBase);
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VirtualMemoryTable[Index].VirtualBase = FixedPcdGet32 (PcdWdogBase);
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VirtualMemoryTable[Index].Length = FixedPcdGet32 (PcdWdogSize);
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VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
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// Sub System Peripherals - GIC-600
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VirtualMemoryTable[++Index].PhysicalBase = FixedPcdGet64(PcdGicDistributorBase);
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VirtualMemoryTable[Index].VirtualBase = FixedPcdGet64(PcdGicDistributorBase);
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VirtualMemoryTable[Index].Length = FixedPcdGet64(PcdGicSize);
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VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
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// Sub System Peripherals - Counter
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VirtualMemoryTable[++Index].PhysicalBase = FixedPcdGet32 (PcdTimerCounterReadBase);
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VirtualMemoryTable[Index].VirtualBase = FixedPcdGet32 (PcdTimerCounterReadBase);
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VirtualMemoryTable[Index].Length = FixedPcdGet32 (PcdTimerCounterReadSize);
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VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
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// Sub System Peripherals - Timer Control
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VirtualMemoryTable[++Index].PhysicalBase = FixedPcdGet32 (PcdTimerControlBase);
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VirtualMemoryTable[Index].VirtualBase = FixedPcdGet32 (PcdTimerControlBase);
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VirtualMemoryTable[Index].Length = FixedPcdGet32 (PcdTimerControlSize);
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VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
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// Sub System Peripherals - Timer Base0
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VirtualMemoryTable[++Index].PhysicalBase = FixedPcdGet32 (PcdTimerBase0Base);
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VirtualMemoryTable[Index].VirtualBase = FixedPcdGet32 (PcdTimerBase0Base);
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VirtualMemoryTable[Index].Length = FixedPcdGet32 (PcdTimerBase0Size);
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VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
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// Sub System Peripherals - SMMU
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VirtualMemoryTable[++Index].PhysicalBase = FixedPcdGet32 (PcdSmmuBase);
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VirtualMemoryTable[Index].VirtualBase = FixedPcdGet32 (PcdSmmuBase);
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VirtualMemoryTable[Index].Length = FixedPcdGet32 (PcdSmmuSize);
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VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
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// Expansion AXI - Platform Peripherals - HDLCD1
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VirtualMemoryTable[++Index].PhysicalBase = FixedPcdGet32 (PcdArmHdLcdBase);
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VirtualMemoryTable[Index].VirtualBase = FixedPcdGet32 (PcdArmHdLcdBase);
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VirtualMemoryTable[Index].Length = SIZE_64KB;
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VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
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// Expansion AXI - Platform Peripherals - UART1
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VirtualMemoryTable[++Index].PhysicalBase = FixedPcdGet64 (PcdSerialRegisterBase);
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VirtualMemoryTable[Index].VirtualBase = FixedPcdGet64 (PcdSerialRegisterBase);
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VirtualMemoryTable[Index].Length = SIZE_64KB;
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VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
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// DDR - (2GB - 16MB)
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VirtualMemoryTable[++Index].PhysicalBase = PcdGet64 (PcdSystemMemoryBase);
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VirtualMemoryTable[Index].VirtualBase = PcdGet64 (PcdSystemMemoryBase);
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VirtualMemoryTable[Index].Length = PcdGet64 (PcdSystemMemorySize);
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VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK;
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// DDR - Second Block
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VirtualMemoryTable[++Index].PhysicalBase = PcdGet64 (PcdDramBlock2Base);
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VirtualMemoryTable[Index].VirtualBase = PcdGet64 (PcdDramBlock2Base);
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VirtualMemoryTable[Index].Length = PcdGet64 (PcdDramBlock2Size);
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VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK;
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#if (FixedPcdGet32 (PcdChipCount) > 1)
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// Chip 1 DDR Block 1 - (2GB)
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VirtualMemoryTable[++Index].PhysicalBase = SYSTEM_MEMORY_BASE_REMOTE (1),
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VirtualMemoryTable[Index].VirtualBase = SYSTEM_MEMORY_BASE_REMOTE (1),
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VirtualMemoryTable[Index].Length = PcdGet64 (PcdSystemMemorySize);
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VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK;
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// Chip 1 DDR Block 2 - (6GB)
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VirtualMemoryTable[++Index].PhysicalBase = DRAM_BLOCK2_BASE_REMOTE (1),
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VirtualMemoryTable[Index].VirtualBase = DRAM_BLOCK2_BASE_REMOTE (1),
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VirtualMemoryTable[Index].Length = PcdGet64 (PcdDramBlock2Size);
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VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK;
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#if (FixedPcdGet32 (PcdChipCount) > 2)
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// Chip 2 DDR Block 1 - (2GB)
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VirtualMemoryTable[++Index].PhysicalBase = SYSTEM_MEMORY_BASE_REMOTE (2),
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VirtualMemoryTable[Index].VirtualBase = SYSTEM_MEMORY_BASE_REMOTE (2),
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VirtualMemoryTable[Index].Length = PcdGet64 (PcdSystemMemorySize);
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VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK;
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// Chip 2 DDR Block 2 - (6GB)
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VirtualMemoryTable[++Index].PhysicalBase = DRAM_BLOCK2_BASE_REMOTE (2),
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VirtualMemoryTable[Index].VirtualBase = DRAM_BLOCK2_BASE_REMOTE (2),
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VirtualMemoryTable[Index].Length = PcdGet64 (PcdDramBlock2Size);
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VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK;
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#if (FixedPcdGet32 (PcdChipCount) > 3)
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// Chip 3 DDR Block 1 - (2GB)
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VirtualMemoryTable[++Index].PhysicalBase = SYSTEM_MEMORY_BASE_REMOTE (3),
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VirtualMemoryTable[Index].VirtualBase = SYSTEM_MEMORY_BASE_REMOTE (3),
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VirtualMemoryTable[Index].Length = PcdGet64 (PcdSystemMemorySize);
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VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK;
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// Chip 3 DDR Block 2 - (6GB)
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VirtualMemoryTable[++Index].PhysicalBase = DRAM_BLOCK2_BASE_REMOTE (3),
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VirtualMemoryTable[Index].VirtualBase = DRAM_BLOCK2_BASE_REMOTE (3),
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VirtualMemoryTable[Index].Length = PcdGet64 (PcdDramBlock2Size);
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VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK;
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#endif
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#endif
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#endif
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// PCI Configuration Space
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VirtualMemoryTable[++Index].PhysicalBase = PcdGet64 (PcdPciExpressBaseAddress);
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VirtualMemoryTable[Index].VirtualBase = PcdGet64 (PcdPciExpressBaseAddress);
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VirtualMemoryTable[Index].Length = (FixedPcdGet32 (PcdPciBusMax) -
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FixedPcdGet32 (PcdPciBusMin) + 1) *
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SIZE_1MB;
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VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
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// MM Memory Space
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VirtualMemoryTable[++Index].PhysicalBase = PcdGet64 (PcdMmBufferBase);
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VirtualMemoryTable[Index].VirtualBase = PcdGet64 (PcdMmBufferBase);
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VirtualMemoryTable[Index].Length = PcdGet64 (PcdMmBufferSize);
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VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_UNCACHED_UNBUFFERED;
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// End of Table
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VirtualMemoryTable[++Index].PhysicalBase = 0;
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VirtualMemoryTable[Index].VirtualBase = 0;
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VirtualMemoryTable[Index].Length = 0;
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VirtualMemoryTable[Index].Attributes = (ARM_MEMORY_REGION_ATTRIBUTES)0;
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ASSERT ((Index + 1) <= MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS);
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*VirtualMemoryMap = VirtualMemoryTable;
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}
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