BeagleBoardPkg: drop unused EmbeddedPkg Pcds
[mirror_edk2.git] / BeagleBoardPkg / Library / BeagleBoardLib / BeagleBoardMem.c
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7f21c4a2 1/** @file\r
2*\r
3* Copyright (c) 2011, ARM Limited. All rights reserved.\r
7f21c4a2 4*\r
3402aac7
RC
5* This program and the accompanying materials\r
6* are licensed and made available under the terms and conditions of the BSD License\r
7* which accompanies this distribution. The full text of the license may be found at\r
8* http://opensource.org/licenses/bsd-license.php\r
9*\r
10* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
11* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
7f21c4a2 12*\r
13**/\r
14\r
15#include <Library/ArmPlatformLib.h>\r
16#include <Library/DebugLib.h>\r
17#include <Library/PcdLib.h>\r
18#include <Library/MemoryAllocationLib.h>\r
19#include <Library/IoLib.h>\r
20\r
21#include <BeagleBoard.h>\r
22\r
23#define MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS 4\r
24\r
25/**\r
26 Return the Virtual Memory Map of your platform\r
27\r
28 This Virtual Memory Map is used by MemoryInitPei Module to initialize the MMU on your platform.\r
29\r
30 @param[out] VirtualMemoryMap Array of ARM_MEMORY_REGION_DESCRIPTOR describing a Physical-to-\r
31 Virtual Memory mapping. This array must be ended by a zero-filled\r
32 entry\r
33\r
34**/\r
35VOID\r
36ArmPlatformGetVirtualMemoryMap (\r
37 IN ARM_MEMORY_REGION_DESCRIPTOR** VirtualMemoryMap\r
38 )\r
39{\r
40 ARM_MEMORY_REGION_ATTRIBUTES CacheAttributes;\r
41 UINTN Index = 0;\r
42 ARM_MEMORY_REGION_DESCRIPTOR *VirtualMemoryTable;\r
43\r
44 ASSERT(VirtualMemoryMap != NULL);\r
45\r
46 VirtualMemoryTable = (ARM_MEMORY_REGION_DESCRIPTOR*)AllocatePages(EFI_SIZE_TO_PAGES (sizeof(ARM_MEMORY_REGION_DESCRIPTOR) * MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS));\r
47 if (VirtualMemoryTable == NULL) {\r
48 return;\r
49 }\r
50\r
f72df138 51 CacheAttributes = DDR_ATTRIBUTES_CACHED;\r
7f21c4a2 52\r
53 // ReMap (Either NOR Flash or DRAM)\r
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OM
54 VirtualMemoryTable[Index].PhysicalBase = PcdGet64 (PcdSystemMemoryBase);\r
55 VirtualMemoryTable[Index].VirtualBase = PcdGet64 (PcdSystemMemoryBase);\r
56 VirtualMemoryTable[Index].Length = PcdGet64 (PcdSystemMemorySize);\r
7f21c4a2 57 VirtualMemoryTable[Index].Attributes = CacheAttributes;\r
58\r
59 // SOC Registers. L3 interconnects\r
60 VirtualMemoryTable[++Index].PhysicalBase = SOC_REGISTERS_L3_PHYSICAL_BASE;\r
61 VirtualMemoryTable[Index].VirtualBase = SOC_REGISTERS_L3_PHYSICAL_BASE;\r
62 VirtualMemoryTable[Index].Length = SOC_REGISTERS_L3_PHYSICAL_LENGTH;\r
63 VirtualMemoryTable[Index].Attributes = SOC_REGISTERS_L3_ATTRIBUTES;\r
64\r
65 // SOC Registers. L4 interconnects\r
66 VirtualMemoryTable[++Index].PhysicalBase = SOC_REGISTERS_L4_PHYSICAL_BASE;\r
67 VirtualMemoryTable[Index].VirtualBase = SOC_REGISTERS_L4_PHYSICAL_BASE;\r
68 VirtualMemoryTable[Index].Length = SOC_REGISTERS_L4_PHYSICAL_LENGTH;\r
69 VirtualMemoryTable[Index].Attributes = SOC_REGISTERS_L4_ATTRIBUTES;\r
70\r
71 // End of Table\r
72 VirtualMemoryTable[++Index].PhysicalBase = 0;\r
73 VirtualMemoryTable[Index].VirtualBase = 0;\r
74 VirtualMemoryTable[Index].Length = 0;\r
75 VirtualMemoryTable[Index].Attributes = (ARM_MEMORY_REGION_ATTRIBUTES)0;\r
76\r
77 ASSERT((Index + 1) == MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS);\r
78\r
79 *VirtualMemoryMap = VirtualMemoryTable;\r
80}\r