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/** @file
*
* Copyright (c) 2011, Samsung Electronics Co. All rights reserved.
*
* This program and the accompanying materials
* are licensed and made available under the terms and conditions of the BSD License
* which accompanies this distribution. The full text of the license may be found at
* http://opensource.org/licenses/bsd-license.php
*
* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
*
**/
#include <Library/ArmPlatformLib.h>
#include <Library/DebugLib.h>
#include <Library/PcdLib.h>
#include <Library/MemoryAllocationLib.h>
// DDR attributes
#define DDR_ATTRIBUTES_CACHED ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK
#define DDR_ATTRIBUTES_UNCACHED ARM_MEMORY_REGION_ATTRIBUTE_UNCACHED_UNBUFFERED
#define DDR_ATTRIBUTES_SECURE_CACHED ARM_MEMORY_REGION_ATTRIBUTE_SECURE_WRITE_BACK
#define DDR_ATTRIBUTES_SECURE_UNCACHED ARM_MEMORY_REGION_ATTRIBUTE_SECURE_UNCACHED_UNBUFFERED
#if 0
/**
Return the information about the memory region in permanent memory used by PEI
One of the PEI Module must install the permament memory used by PEI. This function returns the
information about this region for your platform to this PEIM module.
@param[out] PeiMemoryBase Base of the memory region used by PEI core and modules
@param[out] PeiMemorySize Size of the memory region used by PEI core and modules
**/
VOID ArmPlatformGetPeiMemory (
OUT UINTN* PeiMemoryBase,
OUT UINTN* PeiMemorySize
) {
ASSERT((PeiMemoryBase != NULL) && (PeiMemorySize != NULL));
// *PeiMemoryBase = ARM_EB_DRAM_BASE + ARM_EB_EFI_FIX_ADDRESS_REGION_SZ;
// *PeiMemorySize = ARM_EB_EFI_MEMORY_REGION_SZ;
*PeiMemoryBase = PcdGet32(PcdSystemMemoryBase) + PcdGet32(PcdSystemMemoryFixRegionSize);
*PeiMemorySize = PcdGet32(PcdSystemMemoryUefiRegionSize);
}
#endif
/**
Return the Virtual Memory Map of your platform
This Virtual Memory Map is used by MemoryInitPei Module to initialize the MMU on your platform.
@param[out] VirtualMemoryMap Array of ARM_MEMORY_REGION_DESCRIPTOR describing a Physical-to-
Virtual Memory mapping. This array must be ended by a zero-filled
entry
**/
VOID ArmPlatformGetVirtualMemoryMap(ARM_MEMORY_REGION_DESCRIPTOR** VirtualMemoryMap) {
// UINT32 val32;
UINT32 CacheAttributes;
ARM_MEMORY_REGION_DESCRIPTOR *VirtualMemoryTable;
ASSERT(VirtualMemoryMap != NULL);
VirtualMemoryTable = (ARM_MEMORY_REGION_DESCRIPTOR*)AllocatePages(sizeof(ARM_MEMORY_REGION_DESCRIPTOR) * 5);
if (VirtualMemoryTable == NULL) {
return;
}
if (FeaturePcdGet(PcdCacheEnable) == TRUE) {
CacheAttributes = DDR_ATTRIBUTES_CACHED;
} else {
CacheAttributes = DDR_ATTRIBUTES_UNCACHED;
}
// SFR
VirtualMemoryTable[0].PhysicalBase = 0x00000000;
VirtualMemoryTable[0].VirtualBase = 0x00000000;
VirtualMemoryTable[0].Length = 0x20000000;
VirtualMemoryTable[0].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
// DDR
VirtualMemoryTable[1].PhysicalBase = 0x40000000;
VirtualMemoryTable[1].VirtualBase = 0x40000000;
VirtualMemoryTable[1].Length = 0x0e000000;
VirtualMemoryTable[1].Attributes = (ARM_MEMORY_REGION_ATTRIBUTES)CacheAttributes;
// framebuffer
VirtualMemoryTable[2].PhysicalBase = 0x4e000000;
VirtualMemoryTable[2].VirtualBase = 0x4e000000;
VirtualMemoryTable[2].Length = 0x02000000;
VirtualMemoryTable[2].Attributes = DDR_ATTRIBUTES_UNCACHED;
VirtualMemoryTable[3].PhysicalBase = 0x50000000;
VirtualMemoryTable[3].VirtualBase = 0x50000000;
VirtualMemoryTable[3].Length = 0xb0000000;
VirtualMemoryTable[3].Attributes = (ARM_MEMORY_REGION_ATTRIBUTES)CacheAttributes;
// End of Table
VirtualMemoryTable[4].PhysicalBase = 0;
VirtualMemoryTable[4].VirtualBase = 0;
VirtualMemoryTable[4].Length = 0;
VirtualMemoryTable[4].Attributes = (ARM_MEMORY_REGION_ATTRIBUTES)0;
*VirtualMemoryMap = VirtualMemoryTable;
}
#if 0
/**
Return the EFI Memory Map of your platform
This EFI Memory Map of the System Memory is used by MemoryInitPei module to create the Resource
Descriptor HOBs used by DXE core.
@param[out] EfiMemoryMap Array of ARM_SYSTEM_MEMORY_REGION_DESCRIPTOR describing an
EFI Memory region. This array must be ended by a zero-filled entry
**/
VOID ArmPlatformGetEfiMemoryMap (
OUT ARM_SYSTEM_MEMORY_REGION_DESCRIPTOR** EfiMemoryMap
) {
EFI_RESOURCE_ATTRIBUTE_TYPE Attributes;
UINT64 MemoryBase;
UINTN Index = 0;
ARM_SYSTEM_MEMORY_REGION_DESCRIPTOR *EfiMemoryTable;
ASSERT(EfiMemoryMap != NULL);
EfiMemoryTable = (ARM_SYSTEM_MEMORY_REGION_DESCRIPTOR*)AllocatePages(sizeof(ARM_SYSTEM_MEMORY_REGION_DESCRIPTOR) * 6);
Attributes =
(
EFI_RESOURCE_ATTRIBUTE_PRESENT |
EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |
EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |
EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE |
EFI_RESOURCE_ATTRIBUTE_TESTED
);
MemoryBase = PcdGet32(PcdSystemMemoryBase);//ARM_EB_DRAM_BASE;
// Memory Reserved for fixed address allocations (such as Exception Vector Table)
EfiMemoryTable[Index].ResourceAttribute = Attributes;
EfiMemoryTable[Index].PhysicalStart = MemoryBase;
EfiMemoryTable[Index].NumberOfBytes = PcdGet32(PcdSystemMemoryFixRegionSize);//ARM_EB_EFI_FIX_ADDRESS_REGION_SZ;
MemoryBase += PcdGet32(PcdSystemMemoryFixRegionSize);//ARM_EB_EFI_FIX_ADDRESS_REGION_SZ;
// Memory declared to PEI as permanent memory for PEI and DXE
EfiMemoryTable[++Index].ResourceAttribute = Attributes;
EfiMemoryTable[Index].PhysicalStart = MemoryBase;
EfiMemoryTable[Index].NumberOfBytes = PcdGet32(PcdSystemMemoryUefiRegionSize);//ARM_EB_EFI_MEMORY_REGION_SZ;
MemoryBase += PcdGet32(PcdSystemMemoryUefiRegionSize);//ARM_EB_EFI_MEMORY_REGION_SZ;
// We must reserve the memory used by the Firmware Volume copied in DRAM at 0x80000000
if (!PcdGet32(PcdStandalone)) {
// Chunk between the EFI Memory region and the firmware
EfiMemoryTable[++Index].ResourceAttribute = Attributes;
EfiMemoryTable[Index].PhysicalStart = MemoryBase;
//EfiMemoryTable[Index].NumberOfBytes = PcdGet32(PcdEmbeddedFdBaseAddress) - MemoryBase;
EfiMemoryTable[Index].NumberOfBytes = PcdGet32(PcdNormalFdBaseAddress) - MemoryBase;
// Chunk reserved by the firmware in DRAM
EfiMemoryTable[++Index].ResourceAttribute = Attributes & (~EFI_RESOURCE_ATTRIBUTE_PRESENT);
//EfiMemoryTable[Index].PhysicalStart = PcdGet32(PcdEmbeddedFdBaseAddress);
EfiMemoryTable[Index].PhysicalStart = PcdGet32(PcdNormalFdBaseAddress);
//EfiMemoryTable[Index].NumberOfBytes = PcdGet32(PcdEmbeddedFdSize);
EfiMemoryTable[Index].NumberOfBytes = PcdGet32(PcdNormalFdSize);
//MemoryBase = PcdGet32(PcdEmbeddedFdBaseAddress) + PcdGet32(PcdEmbeddedFdSize);
MemoryBase = PcdGet32(PcdNormalFdBaseAddress) + PcdGet32(PcdNormalFdSize);
}
// We allocate all the remain memory as untested system memory
EfiMemoryTable[++Index].ResourceAttribute = Attributes & (~EFI_RESOURCE_ATTRIBUTE_TESTED);
EfiMemoryTable[Index].PhysicalStart = MemoryBase;
EfiMemoryTable[Index].NumberOfBytes = PcdGet32(PcdSystemMemorySize) - (MemoryBase-PcdGet32(PcdSystemMemoryBase));
EfiMemoryTable[++Index].ResourceAttribute = 0;
EfiMemoryTable[Index].PhysicalStart = 0;
EfiMemoryTable[Index].NumberOfBytes = 0;
*EfiMemoryMap = EfiMemoryTable;
}
#endif
/**
Return the EFI Memory Map of your platform
This EFI Memory Map of the System Memory is used by MemoryInitPei module to create the Resource
Descriptor HOBs used by DXE core.
@param[out] EfiMemoryMap Array of ARM_SYSTEM_MEMORY_REGION_DESCRIPTOR describing an
EFI Memory region. This array must be ended by a zero-filled entry
**/
EFI_STATUS
ArmPlatformGetAdditionalSystemMemory (
OUT ARM_SYSTEM_MEMORY_REGION_DESCRIPTOR** EfiMemoryMap
) {
// ArmPlatformGetEfiMemoryMap(EfiMemoryMap);
//return EFI_SUCCESS;
return EFI_UNSUPPORTED;
}
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