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1e57a462 1/** @file\r
2*\r
bc7b889a 3* Copyright (c) 2011-2013, ARM Limited. All rights reserved.\r
1e57a462 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
1e57a462 12*\r
13**/\r
14\r
15#ifndef _ARMPLATFORMLIB_H_\r
16#define _ARMPLATFORMLIB_H_\r
17\r
18//\r
19// The package level header files this module uses\r
20//\r
21#include <PiPei.h>\r
22//\r
23// The protocols, PPI and GUID defintions for this module\r
24//\r
25#include <Ppi/MasterBootMode.h>\r
26#include <Ppi/BootInRecoveryMode.h>\r
1e57a462 27\r
28#include <Library/ArmLib.h>\r
29\r
30/**\r
31 This structure is used to describe a region of the EFI memory map\r
32\r
33 Every EFI regions of the system memory described by their physical start address and their size\r
34 can have different attributes. Some regions can be tested and other untested.\r
35\r
36**/\r
37typedef struct {\r
38 EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttribute;\r
39 EFI_PHYSICAL_ADDRESS PhysicalStart;\r
40 UINT64 NumberOfBytes;\r
41} ARM_SYSTEM_MEMORY_REGION_DESCRIPTOR;\r
42\r
bebda7ce 43/**\r
44 Return the core position from the value of its MpId register\r
45\r
46 This function returns the core position from the position 0 in the processor.\r
47 This function might be called from assembler before any stack is set.\r
48\r
49 @return Return the core position\r
50\r
51**/\r
1e57a462 52UINTN\r
53ArmPlatformGetCorePosition (\r
54 IN UINTN MpId\r
55 );\r
56\r
bebda7ce 57/**\r
58 Return a non-zero value if the callee is the primary core\r
59\r
60 This function returns a non-zero value if the callee is the primary core.\r
61 The primary core is the core responsible to initialize the hardware and run UEFI.\r
62 This function might be called from assembler before any stack is set.\r
63\r
64 @return Return a non-zero value if the callee is the primary core.\r
65\r
66**/\r
67UINTN\r
68ArmPlatformIsPrimaryCore (\r
69 IN UINTN MpId\r
70 );\r
71\r
d05ca26c 72/**\r
73 Return the MpId of the primary core\r
74\r
75 This function returns the MpId of the primary core.\r
76 This function might be called from assembler before any stack is set.\r
77\r
78 @return Return the MpId of the primary core\r
79\r
80**/\r
81UINTN\r
82ArmPlatformGetPrimaryCoreMpId (\r
83 VOID\r
84 );\r
85\r
1e57a462 86/**\r
87 Return the current Boot Mode\r
88\r
89 This function returns the boot reason on the platform\r
90\r
91 @return Return the current Boot Mode of the platform\r
92\r
93**/\r
94EFI_BOOT_MODE\r
95ArmPlatformGetBootMode (\r
96 VOID\r
97 );\r
98\r
6913a683
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99/**\r
100 First platform specific function to be called in the PEI phase\r
101\r
102 This function is actually the first function called by the PrePi\r
103 or PrePeiCore modules. It allows to retrieve arguments passed to\r
104 the UEFI firmware through the CPU registers.\r
105\r
106 This function might be written into assembler as no stack are set\r
107 when the function is invoked.\r
108\r
109**/\r
110VOID\r
111ArmPlatformPeiBootAction (\r
112 VOID\r
113 );\r
114\r
1e57a462 115/**\r
116 Initialize controllers that must setup in the normal world\r
117\r
118 This function is called by the ArmPlatformPkg/PrePi or ArmPlatformPkg/PlatformPei\r
119 in the PEI phase.\r
120\r
121**/\r
122RETURN_STATUS\r
123ArmPlatformInitialize (\r
124 IN UINTN MpId\r
125 );\r
126\r
127/**\r
128 Initialize the system (or sometimes called permanent) memory\r
129\r
130 This memory is generally represented by the DRAM.\r
131\r
132**/\r
133VOID\r
134ArmPlatformInitializeSystemMemory (\r
135 VOID\r
136 );\r
137\r
138/**\r
139 Return the Virtual Memory Map of your platform\r
140\r
141 This Virtual Memory Map is used by MemoryInitPei Module to initialize the MMU on your platform.\r
142\r
143 @param[out] VirtualMemoryMap Array of ARM_MEMORY_REGION_DESCRIPTOR describing a Physical-to-\r
144 Virtual Memory mapping. This array must be ended by a zero-filled\r
145 entry\r
146\r
147**/\r
148VOID\r
149ArmPlatformGetVirtualMemoryMap (\r
150 OUT ARM_MEMORY_REGION_DESCRIPTOR** VirtualMemoryMap\r
151 );\r
152\r
1e57a462 153/**\r
154 Return the Platform specific PPIs\r
155\r
156 This function exposes the Platform Specific PPIs. They can be used by any PrePi modules or passed\r
157 to the PeiCore by PrePeiCore.\r
158\r
159 @param[out] PpiListSize Size in Bytes of the Platform PPI List\r
160 @param[out] PpiList Platform PPI List\r
161\r
162**/\r
163VOID\r
164ArmPlatformGetPlatformPpiList (\r
165 OUT UINTN *PpiListSize,\r
166 OUT EFI_PEI_PPI_DESCRIPTOR **PpiList\r
167 );\r
168\r
169#endif\r