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Diffstat (limited to 'SamsungPlatformPkgOrigen/SmdkBoardPkg/Library/SmdkBoardLib/SmdkBoardMem.c')
| -rw-r--r-- | SamsungPlatformPkgOrigen/SmdkBoardPkg/Library/SmdkBoardLib/SmdkBoardMem.c | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/SamsungPlatformPkgOrigen/SmdkBoardPkg/Library/SmdkBoardLib/SmdkBoardMem.c b/SamsungPlatformPkgOrigen/SmdkBoardPkg/Library/SmdkBoardLib/SmdkBoardMem.c new file mode 100644 index 000000000..db1a163c8 --- /dev/null +++ b/SamsungPlatformPkgOrigen/SmdkBoardPkg/Library/SmdkBoardLib/SmdkBoardMem.c @@ -0,0 +1,210 @@ +/** @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; +} |