projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 3cbfba02 DW |
1 | /**\r |
| 2 | **/\r | |
| 3 | /**\r | |
| 4 | \r | |
| 5 | Copyright (c) 2012 - 2014, Intel Corporation. All rights reserved\r | |
| 6 | \r | |
| 7ede8060 | 7 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
| 3cbfba02 DW |
8 | \r |
| 9 | \r | |
| 10 | @file\r | |
| 11 | PchPlatformLib.h\r | |
| 12 | \r | |
| 13 | @brief\r | |
| 14 | Header file for PchPlatform Lib.\r | |
| 15 | \r | |
| 16 | **/\r | |
| 17 | #ifndef _PCH_PLATFORM_LIB_H_\r | |
| 18 | #define _PCH_PLATFORM_LIB_H_\r | |
| 19 | \r | |
| 20 | ///\r | |
| 21 | /// Timeout value used when Sending / Receiving messages.\r | |
| 22 | /// NOTE: this must cover the longest possible wait time\r | |
| 23 | /// between message being sent and response being available.\r | |
| 24 | /// e.g. Virtual function readiness might take some time.\r | |
| 25 | ///\r | |
| 26 | VOID\r | |
| 27 | EFIAPI\r | |
| 28 | PchPmTimerStall (\r | |
| 29 | IN UINTN Microseconds\r | |
| 30 | )\r | |
| 31 | /**\r | |
| 32 | \r | |
| 33 | @brief\r | |
| 34 | Delay for at least the request number of microseconds.\r | |
| 35 | This function would be called by runtime driver, please do not use any MMIO marco here.\r | |
| 36 | \r | |
| 37 | @param[in] Microseconds Number of microseconds to delay.\r | |
| 38 | \r | |
| 39 | @retval NONE\r | |
| 40 | \r | |
| 41 | **/\r | |
| 42 | ;\r | |
| 43 | \r | |
| 44 | BOOLEAN\r | |
| 45 | EFIAPI\r | |
| 46 | PchIsSpiDescriptorMode (\r | |
| 47 | IN UINTN SpiBase\r | |
| 48 | )\r | |
| 49 | /**\r | |
| 50 | \r | |
| 51 | @brief\r | |
| 52 | Check whether SPI is in descriptor mode\r | |
| 53 | \r | |
| 54 | @param[in] SpiBase The PCH Spi Base Address\r | |
| 55 | \r | |
| 56 | @retval TRUE SPI is in descriptor mode\r | |
| 57 | @retval FALSE SPI is not in descriptor mode\r | |
| 58 | \r | |
| 59 | **/\r | |
| 60 | ;\r | |
| 61 | \r | |
| 62 | PCH_STEPPING\r | |
| 63 | EFIAPI\r | |
| 64 | PchStepping (\r | |
| 65 | VOID\r | |
| 66 | )\r | |
| 67 | /**\r | |
| 68 | \r | |
| 69 | @brief\r | |
| 70 | Return Pch stepping type\r | |
| 71 | \r | |
| 72 | @param[in] None\r | |
| 73 | \r | |
| 74 | @retval PCH_STEPPING Pch stepping type\r | |
| 75 | \r | |
| 76 | **/\r | |
| 77 | ;\r | |
| 78 | \r | |
| 79 | BOOLEAN\r | |
| 80 | IsPchSupported (\r | |
| 81 | VOID\r | |
| 82 | )\r | |
| 83 | /**\r | |
| 84 | \r | |
| 85 | @brief\r | |
| 86 | Determine if PCH is supported\r | |
| 87 | \r | |
| 88 | @param[in] None\r | |
| 89 | \r | |
| 90 | @retval TRUE PCH is supported\r | |
| 91 | @retval FALSE PCH is not supported\r | |
| 92 | \r | |
| 93 | **/\r | |
| 94 | ;\r | |
| 95 | \r | |
| 96 | VOID\r | |
| 97 | EFIAPI\r | |
| 98 | PchAlternateAccessMode (\r | |
| 99 | IN UINTN IlbBase,\r | |
| 100 | IN BOOLEAN AmeCtrl\r | |
| 101 | )\r | |
| 102 | /**\r | |
| 103 | \r | |
| 104 | This function can be called to enable/disable Alternate Access Mode\r | |
| 105 | \r | |
| 106 | @param[in] IlbBase The PCH ILB Base Address\r | |
| 107 | @param[in] AmeCtrl If TRUE, enable Alternate Access Mode.\r | |
| 108 | If FALSE, disable Alternate Access Mode.\r | |
| 109 | \r | |
| 110 | @retval NONE\r | |
| 111 | \r | |
| 112 | **/\r | |
| 113 | ;\r | |
| 114 | \r | |
| 115 | #endif\r |