projects / mirror_edk2.git / blame
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|---|---|---|
| 3cbfba02 DW |
1 | /**\r |
| 2 | **/\r | |
| 3 | /**\r | |
| 4 | \r | |
| 5 | Copyright (c) 2012 - 2014, Intel Corporation. All rights reserved\r | |
| 6 | \r | |
| 7 | This program and the accompanying materials are licensed and made available under\r | |
| 8 | the terms and conditions of the BSD License that accompanies this distribution.\r | |
| 9 | The full text of the license may be found at\r | |
| 10 | http://opensource.org/licenses/bsd-license.php.\r | |
| 11 | \r | |
| 12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 14 | \r | |
| 15 | \r | |
| 16 | @file\r | |
| 17 | PchPlatformLib.h\r | |
| 18 | \r | |
| 19 | @brief\r | |
| 20 | Header file for PchPlatform Lib.\r | |
| 21 | \r | |
| 22 | **/\r | |
| 23 | #ifndef _PCH_PLATFORM_LIB_H_\r | |
| 24 | #define _PCH_PLATFORM_LIB_H_\r | |
| 25 | \r | |
| 26 | ///\r | |
| 27 | /// Timeout value used when Sending / Receiving messages.\r | |
| 28 | /// NOTE: this must cover the longest possible wait time\r | |
| 29 | /// between message being sent and response being available.\r | |
| 30 | /// e.g. Virtual function readiness might take some time.\r | |
| 31 | ///\r | |
| 32 | VOID\r | |
| 33 | EFIAPI\r | |
| 34 | PchPmTimerStall (\r | |
| 35 | IN UINTN Microseconds\r | |
| 36 | )\r | |
| 37 | /**\r | |
| 38 | \r | |
| 39 | @brief\r | |
| 40 | Delay for at least the request number of microseconds.\r | |
| 41 | This function would be called by runtime driver, please do not use any MMIO marco here.\r | |
| 42 | \r | |
| 43 | @param[in] Microseconds Number of microseconds to delay.\r | |
| 44 | \r | |
| 45 | @retval NONE\r | |
| 46 | \r | |
| 47 | **/\r | |
| 48 | ;\r | |
| 49 | \r | |
| 50 | BOOLEAN\r | |
| 51 | EFIAPI\r | |
| 52 | PchIsSpiDescriptorMode (\r | |
| 53 | IN UINTN SpiBase\r | |
| 54 | )\r | |
| 55 | /**\r | |
| 56 | \r | |
| 57 | @brief\r | |
| 58 | Check whether SPI is in descriptor mode\r | |
| 59 | \r | |
| 60 | @param[in] SpiBase The PCH Spi Base Address\r | |
| 61 | \r | |
| 62 | @retval TRUE SPI is in descriptor mode\r | |
| 63 | @retval FALSE SPI is not in descriptor mode\r | |
| 64 | \r | |
| 65 | **/\r | |
| 66 | ;\r | |
| 67 | \r | |
| 68 | PCH_STEPPING\r | |
| 69 | EFIAPI\r | |
| 70 | PchStepping (\r | |
| 71 | VOID\r | |
| 72 | )\r | |
| 73 | /**\r | |
| 74 | \r | |
| 75 | @brief\r | |
| 76 | Return Pch stepping type\r | |
| 77 | \r | |
| 78 | @param[in] None\r | |
| 79 | \r | |
| 80 | @retval PCH_STEPPING Pch stepping type\r | |
| 81 | \r | |
| 82 | **/\r | |
| 83 | ;\r | |
| 84 | \r | |
| 85 | BOOLEAN\r | |
| 86 | IsPchSupported (\r | |
| 87 | VOID\r | |
| 88 | )\r | |
| 89 | /**\r | |
| 90 | \r | |
| 91 | @brief\r | |
| 92 | Determine if PCH is supported\r | |
| 93 | \r | |
| 94 | @param[in] None\r | |
| 95 | \r | |
| 96 | @retval TRUE PCH is supported\r | |
| 97 | @retval FALSE PCH is not supported\r | |
| 98 | \r | |
| 99 | **/\r | |
| 100 | ;\r | |
| 101 | \r | |
| 102 | VOID\r | |
| 103 | EFIAPI\r | |
| 104 | PchAlternateAccessMode (\r | |
| 105 | IN UINTN IlbBase,\r | |
| 106 | IN BOOLEAN AmeCtrl\r | |
| 107 | )\r | |
| 108 | /**\r | |
| 109 | \r | |
| 110 | This function can be called to enable/disable Alternate Access Mode\r | |
| 111 | \r | |
| 112 | @param[in] IlbBase The PCH ILB Base Address\r | |
| 113 | @param[in] AmeCtrl If TRUE, enable Alternate Access Mode.\r | |
| 114 | If FALSE, disable Alternate Access Mode.\r | |
| 115 | \r | |
| 116 | @retval NONE\r | |
| 117 | \r | |
| 118 | **/\r | |
| 119 | ;\r | |
| 120 | \r | |
| 121 | #endif\r |