/** @file
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Copyright (c) 2021, ARM Limited. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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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/MemoryAllocationLib.h>
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#include <MorelloPlatform.h>
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// The total number of descriptors, including the final "end-of-table" descriptor.
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#define MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS 12
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#if !defined(MDEPKG_NDEBUG)
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STATIC CONST CHAR8 *gTblAttrDesc[] = {
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"UNCACHED_UNBUFFERED ",
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"NONSECURE_UNCACHED_UNBUFFERED",
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"WRITE_BACK ",
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"NONSECURE_WRITE_BACK ",
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"WB_NONSHAREABLE ",
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"NONSECURE_WB_NONSHAREABLE ",
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"WRITE_THROUGH ",
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"NONSECURE_WRITE_THROUGH ",
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"DEVICE ",
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"NONSECURE_DEVICE "
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};
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#endif
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#define LOG_MEM(desc) DEBUG (( \
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DEBUG_ERROR, \
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desc, \
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VirtualMemoryTable[Index].PhysicalBase, \
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(VirtualMemoryTable[Index].PhysicalBase + \
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VirtualMemoryTable[Index].Length - 1), \
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VirtualMemoryTable[Index].Length, \
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gTblAttrDesc[VirtualMemoryTable[Index].Attributes] \
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));
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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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OUT 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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MORELLO_PLAT_INFO * PlatInfo;
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UINT64 DramBlock2Size;
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Index = 0;
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DramBlock2Size = 0;
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PlatInfo = (MORELLO_PLAT_INFO *)MORELLO_PLAT_INFO_STRUCT_BASE;
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if (PlatInfo->LocalDdrSize > MORELLO_DRAM_BLOCK1_SIZE) {
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DramBlock2Size = PlatInfo->LocalDdrSize - MORELLO_DRAM_BLOCK1_SIZE;
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}
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if (DramBlock2Size != 0) {
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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_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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DramBlock2Size
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);
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}
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ASSERT (VirtualMemoryMap != NULL);
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VirtualMemoryTable = AllocatePool (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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DEBUG ((
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DEBUG_ERROR,
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" Memory Map\n----------------------------------------------------------\n"
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));
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DEBUG ((
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DEBUG_ERROR,
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"Description : START - END " \
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"[ SIZE ] { ATTR }\n"
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));
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// SubSystem Peripherals - Generic Watchdog
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VirtualMemoryTable[Index].PhysicalBase = MORELLO_GENERIC_WDOG_BASE;
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VirtualMemoryTable[Index].VirtualBase = MORELLO_GENERIC_WDOG_BASE;
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VirtualMemoryTable[Index].Length = MORELLO_GENERIC_WDOG_SZ;
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VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
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LOG_MEM ("Generic Watchdog : 0x%016lx - 0x%016lx [ 0x%016lx ] { %a }\n");
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// SubSystem Peripherals - GIC-600
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VirtualMemoryTable[++Index].PhysicalBase = MORELLO_GIC_BASE;
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VirtualMemoryTable[Index].VirtualBase = MORELLO_GIC_BASE;
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VirtualMemoryTable[Index].Length = MORELLO_GIC_SZ;
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VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
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LOG_MEM ("GIC-600 : 0x%016lx - 0x%016lx [ 0x%016lx ] { %a }\n");
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// SubSystem Peripherals - GICR-600
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VirtualMemoryTable[++Index].PhysicalBase = MORELLO_GICR_BASE;
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VirtualMemoryTable[Index].VirtualBase = MORELLO_GICR_BASE;
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VirtualMemoryTable[Index].Length = MORELLO_GICR_SZ;
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VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
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LOG_MEM ("GICR-600 : 0x%016lx - 0x%016lx [ 0x%016lx ] { %a }\n");
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// SubSystem non-secure SRAM
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VirtualMemoryTable[++Index].PhysicalBase = MORELLO_NON_SECURE_SRAM_BASE;
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VirtualMemoryTable[Index].VirtualBase = MORELLO_NON_SECURE_SRAM_BASE;
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VirtualMemoryTable[Index].Length = MORELLO_NON_SECURE_SRAM_SZ;
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VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_UNCACHED_UNBUFFERED;
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LOG_MEM ("non-secure SRAM : 0x%016lx - 0x%016lx [ 0x%016lx ] { %a }\n");
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// SubSystem Pheripherals - UART0
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VirtualMemoryTable[++Index].PhysicalBase = MORELLO_UART0_BASE;
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VirtualMemoryTable[Index].VirtualBase = MORELLO_UART0_BASE;
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VirtualMemoryTable[Index].Length = MORELLO_UART0_SZ;
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VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
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LOG_MEM ("UART0 : 0x%016lx - 0x%016lx [ 0x%016lx ] { %a }\n");
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// DDR Primary
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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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LOG_MEM ("DDR Primary : 0x%016lx - 0x%016lx [ 0x%016lx ] { %a }\n");
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// DDR Secondary
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if (DramBlock2Size != 0) {
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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 = DramBlock2Size;
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VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK;
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LOG_MEM ("DDR Secondary : 0x%016lx - 0x%016lx [ 0x%016lx ] { %a }\n");
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}
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// Expansion Peripherals
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VirtualMemoryTable[++Index].PhysicalBase = MORELLO_EXP_PERIPH_BASE;
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VirtualMemoryTable[Index].VirtualBase = MORELLO_EXP_PERIPH_BASE;
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VirtualMemoryTable[Index].Length = MORELLO_EXP_PERIPH_BASE_SZ;
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VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
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LOG_MEM ("Expansion Peripherals : 0x%016lx - 0x%016lx [ 0x%016lx ] { %a }\n");
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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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LOG_MEM ("PCI Configuration Space : 0x%016lx - 0x%016lx [ 0x%016lx ] { %a }\n");
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// PCI MMIO32/IO Space
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VirtualMemoryTable[++Index].PhysicalBase = PcdGet32 (PcdPciMmio32Base);
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VirtualMemoryTable[Index].VirtualBase = PcdGet32 (PcdPciMmio32Base);
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VirtualMemoryTable[Index].Length = PcdGet32 (PcdPciMmio32Size) +
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PcdGet32 (PcdPciIoSize);
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VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
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LOG_MEM ("PCI MMIO32 & IO Region : 0x%016lx - 0x%016lx [ 0x%016lx ] { %a }\n");
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// PCI MMIO64 Space
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VirtualMemoryTable[++Index].PhysicalBase = PcdGet64 (PcdPciMmio64Base);
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VirtualMemoryTable[Index].VirtualBase = PcdGet64 (PcdPciMmio64Base);
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VirtualMemoryTable[Index].Length = PcdGet64 (PcdPciMmio64Size);
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VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
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LOG_MEM ("PCI MMIO64 Region : 0x%016lx - 0x%016lx [ 0x%016lx ] { %a }\n");
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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) < MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS);
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DEBUG ((DEBUG_INIT, "Virtual Memory Table setup complete.\n"));
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*VirtualMemoryMap = VirtualMemoryTable;
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}
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