Merge branch 'linaro-topic-panda' into x-integ

1 files changed, 102 insertions, 0 deletions

diff --git a/PandaBoardPkg/Library/PandaBoardLib/PandaBoardMem.c b/PandaBoardPkg/Library/PandaBoardLib/PandaBoardMem.c
new file mode 100755
index 000000000..334cb094e
--- /dev/null
+++ b/PandaBoardPkg/Library/PandaBoardLib/PandaBoardMem.c
@@ -0,0 +1,102 @@
+/** @file
+*
+*  Copyright (c) 2011, ARM Limited. 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>
+#include <Library/IoLib.h>
+
+#include <PandaBoard.h>
+
+#define MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS          4
+
+/**
+  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;
+
+  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 = DDR_ATTRIBUTES_CACHED;
+  } else {
+    CacheAttributes = DDR_ATTRIBUTES_UNCACHED;
+  }
+
+  // ReMap (Either NOR Flash or DRAM)
+  VirtualMemoryTable[Index].PhysicalBase = PcdGet32(PcdSystemMemoryBase);
+  VirtualMemoryTable[Index].VirtualBase  = PcdGet32(PcdSystemMemoryBase);
+  VirtualMemoryTable[Index].Length       = PcdGet32(PcdSystemMemorySize);
+  VirtualMemoryTable[Index].Attributes   = CacheAttributes;
+
+  // SOC Registers. L3 interconnects
+  VirtualMemoryTable[++Index].PhysicalBase = SOC_REGISTERS_L3_PHYSICAL_BASE;
+  VirtualMemoryTable[Index].VirtualBase  = SOC_REGISTERS_L3_PHYSICAL_BASE;
+  VirtualMemoryTable[Index].Length       = SOC_REGISTERS_L3_PHYSICAL_LENGTH;
+  VirtualMemoryTable[Index].Attributes   = SOC_REGISTERS_L3_ATTRIBUTES;
+
+  // SOC Registers. L4 interconnects
+  VirtualMemoryTable[++Index].PhysicalBase = SOC_REGISTERS_L4_PHYSICAL_BASE;
+  VirtualMemoryTable[Index].VirtualBase  = SOC_REGISTERS_L4_PHYSICAL_BASE;
+  VirtualMemoryTable[Index].Length       = SOC_REGISTERS_L4_PHYSICAL_LENGTH;
+  VirtualMemoryTable[Index].Attributes   = SOC_REGISTERS_L4_ATTRIBUTES;
+
+  // End of Table
+  VirtualMemoryTable[++Index].PhysicalBase = 0;
+  VirtualMemoryTable[Index].VirtualBase  = 0;
+  VirtualMemoryTable[Index].Length       = 0;
+  VirtualMemoryTable[Index].Attributes   = (ARM_MEMORY_REGION_ATTRIBUTES)0;
+
+  ASSERT((Index + 1) == MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS);
+
+  *VirtualMemoryMap = VirtualMemoryTable;
+}
+
+/**
+  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
+  )
+{
+  return EFI_UNSUPPORTED;
+}