diff options
Diffstat (limited to 'SamsungPlatformPkg/ArndaleBoardPkg/Library/ArndaleBoardLib/Exynos5250/BoardMem.c')
| -rwxr-xr-x | SamsungPlatformPkg/ArndaleBoardPkg/Library/ArndaleBoardLib/Exynos5250/BoardMem.c | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/SamsungPlatformPkg/ArndaleBoardPkg/Library/ArndaleBoardLib/Exynos5250/BoardMem.c b/SamsungPlatformPkg/ArndaleBoardPkg/Library/ArndaleBoardLib/Exynos5250/BoardMem.c new file mode 100755 index 000000000..051776d42 --- /dev/null +++ b/SamsungPlatformPkg/ArndaleBoardPkg/Library/ArndaleBoardLib/Exynos5250/BoardMem.c @@ -0,0 +1,221 @@ +/** @file +* +* Copyright (c) 2012, 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/IoLib.h> +#include <Library/MemoryAllocationLib.h> +#include <ArmPlatform.h> + +// Number of Virtual Memory Map Descriptors without a Logic Tile +#define MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS 9 + +// DDR attributes +#define DDR_ATTRIBUTES_CACHED ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_WRITE_BACK +#define DDR_ATTRIBUTES_UNCACHED ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_UNCACHED_UNBUFFERED +#define DDR_ATTRIBUTES_SECURE_CACHED ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK +#define DDR_ATTRIBUTES_SECURE_UNCACHED ARM_MEMORY_REGION_ATTRIBUTE_UNCACHED_UNBUFFERED + +// Logical Region 1 +#define SOC_REGISTERS_IROM_PHYSICAL_BASE 0x00000000 +#define SOC_REGISTERS_IROM_PHYSICAL_LENGTH 0x02010000 +#define SOC_REGISTERS_IROM_ATTRIBUTES ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_DEVICE +#define SOC_REGISTERS_IROM_SECURE_ATTRIBUTES ARM_MEMORY_REGION_ATTRIBUTE_DEVICE + +// Logical Region 2 +#define SOC_REGISTERS_SFR_PHYSICAL_BASE 0x10000000 +#define SOC_REGISTERS_SFR_PHYSICAL_LENGTH 0x08FFFFFF +#define SOC_REGISTERS_SFR_ATTRIBUTES ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_DEVICE +#define SOC_REGISTERS_SFR_SECURE_ATTRIBUTES ARM_MEMORY_REGION_ATTRIBUTE_DEVICE + +/** + 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 ( + IN ARM_MEMORY_REGION_DESCRIPTOR** VirtualMemoryMap + ) +{ + ARM_MEMORY_REGION_ATTRIBUTES CacheAttributes; + UINTN Index = 0; + ARM_MEMORY_REGION_DESCRIPTOR *VirtualMemoryTable; + + DEBUG ((EFI_D_ERROR, "++%a:%d\n", __FUNCTION__, __LINE__)); + + UINTN MemoryBase_Pcd = PcdGet32(PcdSystemMemoryBase); + UINTN MemorySize_Pcd = PcdGet32(PcdSystemMemorySize); + UINTN FrameBufferBase_Pcd = PcdGet32(PcdFrameBufferBase); + UINTN FrameBufferSize_Pcd = PcdGet32(PcdFrameBufferSize); + UINTN MpSharedArgsBase_Pcd = PcdGet32(PcdMpSharedArgsBase); + UINTN MpSharedArgsSize_Pcd = PcdGet32(PcdMpSharedArgsSize); + UINTN FdBaseAddress_Pcd = PcdGet32(PcdFdBaseAddress); + UINTN FdSize_Pcd = PcdGet32(PcdFdSize); + UINTN SmemBase_Pcd = PcdGet32(PcdSmemBaseAddress); + UINTN SmemSize_Pcd = PcdGet32(PcdSmemSize); + UINTN iRamBootBase_Pcd = PcdGet32(PcdiRamBootBase); + UINTN iRamBootSize_Pcd = PcdGet32(PcdiRamBootSize); + BOOLEAN TrustzoneSupport_Pcd = PcdGetBool (PcdTrustzoneSupport); + UINT32 Nsacr = ArmReadNsacr(); + UINTN EmmcDMABufferBase_Pcd = PcdGet32(PcdEmmcDMABufferBase); + + // Checking Secure mode + if(Nsacr == 0x0) // Secure mode + { + TrustzoneSupport_Pcd = FALSE; + } + + // Check if SMC TZASC is enabled. If Trustzone not enabled then all the entries remain in Secure World. + // As this value can be changed in the Board Configuration file, the UEFI firmware needs to work for both case + + + ASSERT(VirtualMemoryMap != NULL); + + VirtualMemoryTable = (ARM_MEMORY_REGION_DESCRIPTOR*)AllocatePages(EFI_SIZE_TO_PAGES (sizeof(ARM_MEMORY_REGION_DESCRIPTOR) * MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS)); + if (VirtualMemoryTable == NULL) { + return; + } + + if (FeaturePcdGet(PcdCacheEnable) == TRUE) { + CacheAttributes = (TrustzoneSupport_Pcd ? DDR_ATTRIBUTES_CACHED : DDR_ATTRIBUTES_SECURE_CACHED); + } else { + CacheAttributes = (TrustzoneSupport_Pcd ? DDR_ATTRIBUTES_UNCACHED : DDR_ATTRIBUTES_SECURE_UNCACHED); + } + + // FD region : 0x40000000 - 0x40200000 + // Map in the FD region (includes SEC), the stack, and the exception vector region + VirtualMemoryTable[Index].PhysicalBase = FdBaseAddress_Pcd; + VirtualMemoryTable[Index].VirtualBase = FdBaseAddress_Pcd; + VirtualMemoryTable[Index].Length = FdSize_Pcd; // need to check + VirtualMemoryTable[Index].Attributes = (ARM_MEMORY_REGION_ATTRIBUTES)CacheAttributes; + DEBUG ((EFI_D_ERROR, "FD region : 0x%8X - 0x%8X\n", (UINT32)(VirtualMemoryTable[Index].PhysicalBase), + (UINT32)(VirtualMemoryTable[Index].PhysicalBase + VirtualMemoryTable[Index].Length))); + + // SMEM : 0x40200000 - 0x40300000 + // Shared memory 1MB (0x4000_0000 -- 0x4010_0000) + VirtualMemoryTable[++Index].PhysicalBase = SmemBase_Pcd; + VirtualMemoryTable[Index].VirtualBase = SmemBase_Pcd; + VirtualMemoryTable[Index].Length = SmemSize_Pcd; + VirtualMemoryTable[Index].Attributes = (TrustzoneSupport_Pcd ? DDR_ATTRIBUTES_UNCACHED : DDR_ATTRIBUTES_SECURE_UNCACHED); + DEBUG ((EFI_D_ERROR, "SMEM : 0x%8X - 0x%8X\n", (UINT32)(VirtualMemoryTable[Index].PhysicalBase), + (UINT32)(VirtualMemoryTable[Index].PhysicalBase + VirtualMemoryTable[Index].Length))); + + // EMMC : 0x40300000 - 0x40400000 + // EMMC (0x4030_0000 - 0x404_0000) (1MB) + VirtualMemoryTable[++Index].PhysicalBase = EmmcDMABufferBase_Pcd; + VirtualMemoryTable[Index].VirtualBase = EmmcDMABufferBase_Pcd; + VirtualMemoryTable[Index].Length = 0x00100000; + VirtualMemoryTable[Index].Attributes = (TrustzoneSupport_Pcd ? DDR_ATTRIBUTES_UNCACHED : DDR_ATTRIBUTES_SECURE_UNCACHED); + DEBUG ((EFI_D_ERROR, "EMMC : 0x%8X - 0x%8X\n", (UINT32)(VirtualMemoryTable[Index].PhysicalBase), + (UINT32)(VirtualMemoryTable[Index].PhysicalBase + VirtualMemoryTable[Index].Length))); + + + // DDR : 0x40400000 - 0x4E000000 + // DDR (0x4040_0000 - 0x4E00_0000) (511MB) + VirtualMemoryTable[++Index].PhysicalBase = 0x40400000; + VirtualMemoryTable[Index].VirtualBase = 0x40400000; + VirtualMemoryTable[Index].Length = 0x0DC00000; + VirtualMemoryTable[Index].Attributes = (ARM_MEMORY_REGION_ATTRIBUTES)CacheAttributes; + DEBUG ((EFI_D_ERROR, "DDR : 0x%8X - 0x%8X\n", (UINT32)(VirtualMemoryTable[Index].PhysicalBase), + (UINT32)(VirtualMemoryTable[Index].PhysicalBase + VirtualMemoryTable[Index].Length))); + + // MpParkShared: 0x4D00_0000 - 0x4D10_0000 + // MpParkSahred (0x4D00_0000 - 0x4D10_0000) + VirtualMemoryTable[++Index].PhysicalBase = MpSharedArgsBase_Pcd; + VirtualMemoryTable[Index].VirtualBase = MpSharedArgsBase_Pcd; + VirtualMemoryTable[Index].Length = MpSharedArgsSize_Pcd; + VirtualMemoryTable[Index].Attributes = (TrustzoneSupport_Pcd ? DDR_ATTRIBUTES_UNCACHED : DDR_ATTRIBUTES_SECURE_UNCACHED); + DEBUG ((EFI_D_ERROR, "FrameBuffer: 0x%8X - 0x%8X\n", VirtualMemoryTable[Index].PhysicalBase, + (UINT32)(VirtualMemoryTable[Index].PhysicalBase + VirtualMemoryTable[Index].Length))); + + // FrameBuffer: 0x4E000000 - 0x50000000 + // Framebuffer (0x4E00_0000 - 0x5000_0000) + VirtualMemoryTable[++Index].PhysicalBase = FrameBufferBase_Pcd; + VirtualMemoryTable[Index].VirtualBase = FrameBufferBase_Pcd; + VirtualMemoryTable[Index].Length = FrameBufferSize_Pcd; + VirtualMemoryTable[Index].Attributes = (TrustzoneSupport_Pcd ? DDR_ATTRIBUTES_UNCACHED : DDR_ATTRIBUTES_SECURE_UNCACHED); + DEBUG ((EFI_D_ERROR, "FrameBuffer: 0x%8X - 0x%8X\n", (UINT32)(VirtualMemoryTable[Index].PhysicalBase), + (UINT32)(VirtualMemoryTable[Index].PhysicalBase + VirtualMemoryTable[Index].Length))); + + // DDR : 0x50000000 - 0xA0000000 + // DDR (0x5000_0000 - 0x8000_0000) (512MB) + VirtualMemoryTable[++Index].PhysicalBase = MemoryBase_Pcd; + VirtualMemoryTable[Index].VirtualBase = MemoryBase_Pcd; + VirtualMemoryTable[Index].Length = MemorySize_Pcd; + VirtualMemoryTable[Index].Attributes = (ARM_MEMORY_REGION_ATTRIBUTES)CacheAttributes; + DEBUG ((EFI_D_ERROR, "DDR : 0x%8X - 0x%8X\n", (UINT32)(VirtualMemoryTable[Index].PhysicalBase), + (UINT32)(VirtualMemoryTable[Index].PhysicalBase + VirtualMemoryTable[Index].Length))); + + // SFR : 0x10000000 - 0x14000000 + // SFR + VirtualMemoryTable[++Index].PhysicalBase = SOC_REGISTERS_SFR_PHYSICAL_BASE; + VirtualMemoryTable[Index].VirtualBase = SOC_REGISTERS_SFR_PHYSICAL_BASE; + VirtualMemoryTable[Index].Length = SOC_REGISTERS_SFR_PHYSICAL_LENGTH; + VirtualMemoryTable[Index].Attributes = (TrustzoneSupport_Pcd ? SOC_REGISTERS_SFR_ATTRIBUTES : SOC_REGISTERS_SFR_SECURE_ATTRIBUTES); + DEBUG ((EFI_D_ERROR, "SFR : 0x%8X - 0x%8X\n", (UINT32)(VirtualMemoryTable[Index].PhysicalBase), + (UINT32)(VirtualMemoryTable[Index].PhysicalBase + VirtualMemoryTable[Index].Length))); + + // iRAM : 0x02020000 - 0x02040000 + // iRAM + VirtualMemoryTable[++Index].PhysicalBase = iRamBootBase_Pcd; + VirtualMemoryTable[Index].VirtualBase = iRamBootBase_Pcd; + VirtualMemoryTable[Index].Length = iRamBootSize_Pcd; + VirtualMemoryTable[Index].Attributes = (TrustzoneSupport_Pcd ? ARM_MEMORY_REGION_ATTRIBUTE_NONSECURE_DEVICE : ARM_MEMORY_REGION_ATTRIBUTE_DEVICE); + DEBUG ((EFI_D_ERROR, "iRAM : 0x%8X - 0x%8X\n", (UINT32)(VirtualMemoryTable[Index].PhysicalBase), + (UINT32)(VirtualMemoryTable[Index].PhysicalBase + VirtualMemoryTable[Index].Length))); + + // iROM : 0x00000000 - 0x02010000 + // iROM + VirtualMemoryTable[++Index].PhysicalBase = SOC_REGISTERS_IROM_PHYSICAL_BASE; + VirtualMemoryTable[Index].VirtualBase = SOC_REGISTERS_IROM_PHYSICAL_BASE; + VirtualMemoryTable[Index].Length = SOC_REGISTERS_IROM_PHYSICAL_LENGTH; + VirtualMemoryTable[Index].Attributes = (TrustzoneSupport_Pcd ? SOC_REGISTERS_IROM_ATTRIBUTES : SOC_REGISTERS_IROM_SECURE_ATTRIBUTES); + DEBUG ((EFI_D_ERROR, "iROM : 0x%8X - 0x%8X\n", (UINT32)(VirtualMemoryTable[Index].PhysicalBase), + (UINT32)(VirtualMemoryTable[Index].PhysicalBase + VirtualMemoryTable[Index].Length))); + + // End of Table + VirtualMemoryTable[++Index].PhysicalBase = 0; + VirtualMemoryTable[Index].VirtualBase = 0; + VirtualMemoryTable[Index].Length = 0; + VirtualMemoryTable[Index].Attributes = (ARM_MEMORY_REGION_ATTRIBUTES)0; + + *VirtualMemoryMap = VirtualMemoryTable; + DEBUG ((EFI_D_ERROR, "--%a:%d\n", __FUNCTION__, __LINE__)); +} + +/** + Return the EFI Memory Map provided by extension memory on 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. + TODO: CompleteMe .... say this is the memory not covered by the System Memory PCDs + + @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 + ) +{ + return EFI_UNSUPPORTED; +} |