| 1 | /** @file
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| 2 | Internal include file for the CPU I/O PPI.
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| 3 |
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| 4 | Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
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| 5 | This program and the accompanying materials
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| 6 | are licensed and made available under the terms and conditions of the BSD License
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| 7 | which accompanies this distribution. The full text of the license may be found at
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| 8 | http://opensource.org/licenses/bsd-license.php
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| 9 |
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| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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| 12 |
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| 13 | **/
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| 14 |
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| 15 | #ifndef _CPU_IO2_PEI_H_
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| 16 | #define _CPU_IO2_PEI_H_
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| 17 |
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| 18 | #include <PiDxe.h>
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| 19 |
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| 20 | #include <Ppi/CpuIo.h>
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| 21 |
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| 22 | #include <Library/BaseLib.h>
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| 23 | #include <Library/DebugLib.h>
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| 24 | #include <Library/IoLib.h>
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| 25 | #include <Library/PeiServicesLib.h>
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| 26 |
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| 27 | #define MAX_IO_PORT_ADDRESS 0xFFFF
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| 28 |
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| 29 | /**
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| 30 | Reads memory-mapped registers.
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| 31 |
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| 32 | @param[in] PeiServices An indirect pointer to the PEI Services Table
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| 33 | published by the PEI Foundation.
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| 34 | @param[in] This Pointer to local data for the interface.
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| 35 | @param[in] Width The width of the access. Enumerated in bytes.
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| 36 | @param[in] Address The physical address of the access.
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| 37 | @param[in] Count The number of accesses to perform.
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| 38 | @param[out] Buffer A pointer to the buffer of data.
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| 39 |
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| 40 | @retval EFI_SUCCESS The function completed successfully.
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| 41 | @retval EFI_INVALID_PARAMETER Width is invalid for this EFI system.
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| 42 | @retval EFI_INVALID_PARAMETER Buffer is NULL.
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| 43 | @retval EFI_UNSUPPORTED The address range specified by Address, Width,
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| 44 | and Count is not valid for this EFI system.
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| 45 |
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| 46 | **/
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| 47 | EFI_STATUS
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| 48 | EFIAPI
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| 49 | CpuMemoryServiceRead (
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| 50 | IN CONST EFI_PEI_SERVICES **PeiServices,
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| 51 | IN CONST EFI_PEI_CPU_IO_PPI *This,
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| 52 | IN EFI_PEI_CPU_IO_PPI_WIDTH Width,
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| 53 | IN UINT64 Address,
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| 54 | IN UINTN Count,
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| 55 | OUT VOID *Buffer
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| 56 | );
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| 57 |
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| 58 | /**
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| 59 | Writes memory-mapped registers.
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| 60 |
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| 61 | @param[in] PeiServices An indirect pointer to the PEI Services Table
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| 62 | published by the PEI Foundation.
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| 63 | @param[in] This Pointer to local data for the interface.
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| 64 | @param[in] Width The width of the access. Enumerated in bytes.
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| 65 | @param[in] Address The physical address of the access.
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| 66 | @param[in] Count The number of accesses to perform.
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| 67 | @param[in] Buffer A pointer to the buffer of data.
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| 68 |
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| 69 | @retval EFI_SUCCESS The function completed successfully.
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| 70 | @retval EFI_INVALID_PARAMETER Width is invalid for this EFI system.
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| 71 | @retval EFI_INVALID_PARAMETER Buffer is NULL.
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| 72 | @retval EFI_UNSUPPORTED The address range specified by Address, Width,
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| 73 | and Count is not valid for this EFI system.
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| 74 |
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| 75 | **/
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| 76 | EFI_STATUS
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| 77 | EFIAPI
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| 78 | CpuMemoryServiceWrite (
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| 79 | IN CONST EFI_PEI_SERVICES **PeiServices,
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| 80 | IN CONST EFI_PEI_CPU_IO_PPI *This,
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| 81 | IN EFI_PEI_CPU_IO_PPI_WIDTH Width,
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| 82 | IN UINT64 Address,
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| 83 | IN UINTN Count,
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| 84 | IN VOID *Buffer
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| 85 | );
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| 86 |
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| 87 | /**
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| 88 | Reads I/O registers.
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| 89 |
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| 90 | @param[in] PeiServices An indirect pointer to the PEI Services Table
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| 91 | published by the PEI Foundation.
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| 92 | @param[in] This Pointer to local data for the interface.
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| 93 | @param[in] Width The width of the access. Enumerated in bytes.
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| 94 | @param[in] Address The physical address of the access.
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| 95 | @param[in] Count The number of accesses to perform.
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| 96 | @param[out] Buffer A pointer to the buffer of data.
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| 97 |
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| 98 | @retval EFI_SUCCESS The function completed successfully.
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| 99 | @retval EFI_INVALID_PARAMETER Width is invalid for this EFI system.
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| 100 | @retval EFI_INVALID_PARAMETER Buffer is NULL.
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| 101 | @retval EFI_UNSUPPORTED The address range specified by Address, Width,
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| 102 | and Count is not valid for this EFI system.
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| 103 |
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| 104 | **/
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| 105 | EFI_STATUS
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| 106 | EFIAPI
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| 107 | CpuIoServiceRead (
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| 108 | IN CONST EFI_PEI_SERVICES **PeiServices,
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| 109 | IN CONST EFI_PEI_CPU_IO_PPI *This,
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| 110 | IN EFI_PEI_CPU_IO_PPI_WIDTH Width,
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| 111 | IN UINT64 Address,
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| 112 | IN UINTN Count,
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| 113 | OUT VOID *Buffer
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| 114 | );
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| 115 |
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| 116 | /**
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| 117 | Write I/O registers.
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| 118 |
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| 119 | @param[in] PeiServices An indirect pointer to the PEI Services Table
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| 120 | published by the PEI Foundation.
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| 121 | @param[in] This Pointer to local data for the interface.
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| 122 | @param[in] Width The width of the access. Enumerated in bytes.
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| 123 | @param[in] Address The physical address of the access.
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| 124 | @param[in] Count The number of accesses to perform.
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| 125 | @param[in] Buffer A pointer to the buffer of data.
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| 126 |
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| 127 | @retval EFI_SUCCESS The function completed successfully.
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| 128 | @retval EFI_INVALID_PARAMETER Width is invalid for this EFI system.
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| 129 | @retval EFI_INVALID_PARAMETER Buffer is NULL.
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| 130 | @retval EFI_UNSUPPORTED The address range specified by Address, Width,
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| 131 | and Count is not valid for this EFI system.
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| 132 |
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| 133 | **/
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| 134 | EFI_STATUS
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| 135 | EFIAPI
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| 136 | CpuIoServiceWrite (
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| 137 | IN CONST EFI_PEI_SERVICES **PeiServices,
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| 138 | IN CONST EFI_PEI_CPU_IO_PPI *This,
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| 139 | IN EFI_PEI_CPU_IO_PPI_WIDTH Width,
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| 140 | IN UINT64 Address,
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| 141 | IN UINTN Count,
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| 142 | IN VOID *Buffer
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| 143 | );
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| 144 |
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| 145 | /**
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| 146 | 8-bit I/O read operations.
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| 147 |
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| 148 | @param[in] PeiServices An indirect pointer to the PEI Services Table published
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| 149 | by the PEI Foundation.
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| 150 | @param[in] This Pointer to local data for the interface.
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| 151 | @param[in] Address The physical address of the access.
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| 152 |
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| 153 | @return An 8-bit value returned from the I/O space.
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| 154 | **/
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| 155 | UINT8
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| 156 | EFIAPI
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| 157 | CpuIoRead8 (
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| 158 | IN CONST EFI_PEI_SERVICES **PeiServices,
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| 159 | IN CONST EFI_PEI_CPU_IO_PPI *This,
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| 160 | IN UINT64 Address
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| 161 | );
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| 162 |
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| 163 | /**
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| 164 | 16-bit I/O read operations.
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| 165 |
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| 166 | @param[in] PeiServices An indirect pointer to the PEI Services Table published
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| 167 | by the PEI Foundation.
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| 168 | @param[in] This Pointer to local data for the interface.
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| 169 | @param[in] Address The physical address of the access.
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| 170 |
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| 171 | @return A 16-bit value returned from the I/O space.
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| 172 |
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| 173 | **/
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| 174 | UINT16
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| 175 | EFIAPI
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| 176 | CpuIoRead16 (
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| 177 | IN CONST EFI_PEI_SERVICES **PeiServices,
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| 178 | IN CONST EFI_PEI_CPU_IO_PPI *This,
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| 179 | IN UINT64 Address
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| 180 | );
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| 181 |
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| 182 | /**
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| 183 | 32-bit I/O read operations.
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| 184 |
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| 185 | @param[in] PeiServices An indirect pointer to the PEI Services Table published
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| 186 | by the PEI Foundation.
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| 187 | @param[in] This Pointer to local data for the interface.
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| 188 | @param[in] Address The physical address of the access.
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| 189 |
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| 190 | @return A 32-bit value returned from the I/O space.
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| 191 |
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| 192 | **/
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| 193 | UINT32
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| 194 | EFIAPI
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| 195 | CpuIoRead32 (
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| 196 | IN CONST EFI_PEI_SERVICES **PeiServices,
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| 197 | IN CONST EFI_PEI_CPU_IO_PPI *This,
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| 198 | IN UINT64 Address
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| 199 | );
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| 200 |
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| 201 | /**
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| 202 | 64-bit I/O read operations.
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| 203 |
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| 204 | @param[in] PeiServices An indirect pointer to the PEI Services Table published
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| 205 | by the PEI Foundation.
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| 206 | @param[in] This Pointer to local data for the interface.
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| 207 | @param[in] Address The physical address of the access.
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| 208 |
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| 209 | @return A 64-bit value returned from the I/O space.
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| 210 |
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| 211 | **/
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| 212 | UINT64
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| 213 | EFIAPI
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| 214 | CpuIoRead64 (
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| 215 | IN CONST EFI_PEI_SERVICES **PeiServices,
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| 216 | IN CONST EFI_PEI_CPU_IO_PPI *This,
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| 217 | IN UINT64 Address
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| 218 | );
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| 219 |
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| 220 | /**
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| 221 | 8-bit I/O write operations.
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| 222 |
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| 223 | @param[in] PeiServices An indirect pointer to the PEI Services Table published
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| 224 | by the PEI Foundation.
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| 225 | @param[in] This Pointer to local data for the interface.
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| 226 | @param[in] Address The physical address of the access.
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| 227 | @param[in] Data The data to write.
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| 228 |
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| 229 | **/
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| 230 | VOID
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| 231 | EFIAPI
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| 232 | CpuIoWrite8 (
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| 233 | IN CONST EFI_PEI_SERVICES **PeiServices,
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| 234 | IN CONST EFI_PEI_CPU_IO_PPI *This,
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| 235 | IN UINT64 Address,
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| 236 | IN UINT8 Data
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| 237 | );
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| 238 |
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| 239 | /**
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| 240 | 16-bit I/O write operations.
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| 241 |
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| 242 | @param[in] PeiServices An indirect pointer to the PEI Services Table published
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| 243 | by the PEI Foundation.
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| 244 | @param[in] This Pointer to local data for the interface.
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| 245 | @param[in] Address The physical address of the access.
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| 246 | @param[in] Data The data to write.
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| 247 |
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| 248 | **/
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| 249 | VOID
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| 250 | EFIAPI
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| 251 | CpuIoWrite16 (
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| 252 | IN CONST EFI_PEI_SERVICES **PeiServices,
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| 253 | IN CONST EFI_PEI_CPU_IO_PPI *This,
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| 254 | IN UINT64 Address,
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| 255 | IN UINT16 Data
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| 256 | );
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| 257 |
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| 258 | /**
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| 259 | 32-bit I/O write operations.
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| 260 |
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| 261 | @param[in] PeiServices An indirect pointer to the PEI Services Table published
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| 262 | by the PEI Foundation.
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| 263 | @param[in] This Pointer to local data for the interface.
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| 264 | @param[in] Address The physical address of the access.
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| 265 | @param[in] Data The data to write.
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| 266 |
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| 267 | **/
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| 268 | VOID
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| 269 | EFIAPI
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| 270 | CpuIoWrite32 (
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| 271 | IN CONST EFI_PEI_SERVICES **PeiServices,
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| 272 | IN CONST EFI_PEI_CPU_IO_PPI *This,
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| 273 | IN UINT64 Address,
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| 274 | IN UINT32 Data
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| 275 | );
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| 276 |
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| 277 | /**
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| 278 | 64-bit I/O write operations.
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| 279 |
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| 280 | @param[in] PeiServices An indirect pointer to the PEI Services Table published
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| 281 | by the PEI Foundation.
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| 282 | @param[in] This Pointer to local data for the interface.
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| 283 | @param[in] Address The physical address of the access.
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| 284 | @param[in] Data The data to write.
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| 285 |
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| 286 | **/
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| 287 | VOID
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| 288 | EFIAPI
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| 289 | CpuIoWrite64 (
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| 290 | IN CONST EFI_PEI_SERVICES **PeiServices,
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| 291 | IN CONST EFI_PEI_CPU_IO_PPI *This,
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| 292 | IN UINT64 Address,
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| 293 | IN UINT64 Data
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| 294 | );
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| 295 |
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| 296 | /**
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| 297 | 8-bit memory read operations.
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| 298 |
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| 299 | @param[in] PeiServices An indirect pointer to the PEI Services Table published
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| 300 | by the PEI Foundation.
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| 301 | @param[in] This Pointer to local data for the interface.
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| 302 | @param[in] Address The physical address of the access.
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| 303 |
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| 304 | @return An 8-bit value returned from the memory space.
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| 305 |
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| 306 | **/
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| 307 | UINT8
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| 308 | EFIAPI
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| 309 | CpuMemRead8 (
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| 310 | IN CONST EFI_PEI_SERVICES **PeiServices,
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| 311 | IN CONST EFI_PEI_CPU_IO_PPI *This,
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| 312 | IN UINT64 Address
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| 313 | );
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| 314 |
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| 315 | /**
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| 316 | 16-bit memory read operations.
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| 317 |
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| 318 | @param[in] PeiServices An indirect pointer to the PEI Services Table published
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| 319 | by the PEI Foundation.
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| 320 | @param[in] This Pointer to local data for the interface.
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| 321 | @param[in] Address The physical address of the access.
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| 322 |
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| 323 | @return A 16-bit value returned from the memory space.
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| 324 |
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| 325 | **/
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| 326 | UINT16
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| 327 | EFIAPI
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| 328 | CpuMemRead16 (
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| 329 | IN CONST EFI_PEI_SERVICES **PeiServices,
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| 330 | IN CONST EFI_PEI_CPU_IO_PPI *This,
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| 331 | IN UINT64 Address
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| 332 | );
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| 333 |
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| 334 | /**
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| 335 | 32-bit memory read operations.
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| 336 |
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| 337 | @param[in] PeiServices An indirect pointer to the PEI Services Table published
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| 338 | by the PEI Foundation.
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| 339 | @param[in] This Pointer to local data for the interface.
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| 340 | @param[in] Address The physical address of the access.
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| 341 |
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| 342 | @return A 32-bit value returned from the memory space.
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| 343 |
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| 344 | **/
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| 345 | UINT32
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| 346 | EFIAPI
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| 347 | CpuMemRead32 (
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| 348 | IN CONST EFI_PEI_SERVICES **PeiServices,
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| 349 | IN CONST EFI_PEI_CPU_IO_PPI *This,
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| 350 | IN UINT64 Address
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| 351 | );
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| 352 |
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| 353 | /**
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| 354 | 64-bit memory read operations.
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| 355 |
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| 356 | @param[in] PeiServices An indirect pointer to the PEI Services Table published
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| 357 | by the PEI Foundation.
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| 358 | @param[in] This Pointer to local data for the interface.
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| 359 | @param[in] Address The physical address of the access.
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| 360 |
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| 361 | @return A 64-bit value returned from the memory space.
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| 362 |
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| 363 | **/
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| 364 | UINT64
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| 365 | EFIAPI
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| 366 | CpuMemRead64 (
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| 367 | IN CONST EFI_PEI_SERVICES **PeiServices,
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| 368 | IN CONST EFI_PEI_CPU_IO_PPI *This,
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| 369 | IN UINT64 Address
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| 370 | );
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| 371 |
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| 372 | /**
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| 373 | 8-bit memory write operations.
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| 374 |
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| 375 | @param[in] PeiServices An indirect pointer to the PEI Services Table published
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| 376 | by the PEI Foundation.
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| 377 | @param[in] This Pointer to local data for the interface.
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| 378 | @param[in] Address The physical address of the access.
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| 379 | @param[in] Data The data to write.
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| 380 |
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| 381 | **/
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| 382 | VOID
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| 383 | EFIAPI
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| 384 | CpuMemWrite8 (
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| 385 | IN CONST EFI_PEI_SERVICES **PeiServices,
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| 386 | IN CONST EFI_PEI_CPU_IO_PPI *This,
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| 387 | IN UINT64 Address,
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| 388 | IN UINT8 Data
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| 389 | );
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| 390 |
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| 391 | /**
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| 392 | 16-bit memory write operations.
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| 393 |
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| 394 | @param[in] PeiServices An indirect pointer to the PEI Services Table published
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| 395 | by the PEI Foundation.
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| 396 | @param[in] This Pointer to local data for the interface.
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| 397 | @param[in] Address The physical address of the access.
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| 398 | @param[in] Data The data to write.
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| 399 |
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| 400 | **/
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| 401 | VOID
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| 402 | EFIAPI
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| 403 | CpuMemWrite16 (
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| 404 | IN CONST EFI_PEI_SERVICES **PeiServices,
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| 405 | IN CONST EFI_PEI_CPU_IO_PPI *This,
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| 406 | IN UINT64 Address,
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| 407 | IN UINT16 Data
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| 408 | );
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| 409 |
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| 410 | /**
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| 411 | 32-bit memory write operations.
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| 412 |
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| 413 | @param[in] PeiServices An indirect pointer to the PEI Services Table published
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| 414 | by the PEI Foundation.
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| 415 | @param[in] This Pointer to local data for the interface.
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| 416 | @param[in] Address The physical address of the access.
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| 417 | @param[in] Data The data to write.
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| 418 |
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| 419 | **/
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| 420 | VOID
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| 421 | EFIAPI
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| 422 | CpuMemWrite32 (
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| 423 | IN CONST EFI_PEI_SERVICES **PeiServices,
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| 424 | IN CONST EFI_PEI_CPU_IO_PPI *This,
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|---|
| 425 | IN UINT64 Address,
|
|---|
| 426 | IN UINT32 Data
|
|---|
| 427 | );
|
|---|
| 428 |
|
|---|
| 429 | /**
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|---|
| 430 | 64-bit memory write operations.
|
|---|
| 431 |
|
|---|
| 432 | @param[in] PeiServices An indirect pointer to the PEI Services Table published
|
|---|
| 433 | by the PEI Foundation.
|
|---|
| 434 | @param[in] This Pointer to local data for the interface.
|
|---|
| 435 | @param[in] Address The physical address of the access.
|
|---|
| 436 | @param[in] Data The data to write.
|
|---|
| 437 |
|
|---|
| 438 | **/
|
|---|
| 439 | VOID
|
|---|
| 440 | EFIAPI
|
|---|
| 441 | CpuMemWrite64 (
|
|---|
| 442 | IN CONST EFI_PEI_SERVICES **PeiServices,
|
|---|
| 443 | IN CONST EFI_PEI_CPU_IO_PPI *This,
|
|---|
| 444 | IN UINT64 Address,
|
|---|
| 445 | IN UINT64 Data
|
|---|
| 446 | );
|
|---|
| 447 |
|
|---|
| 448 | #endif
|
|---|
