projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 3cbfba02 DW |
1 | /*++\r |
| 2 | \r | |
| 3 | Copyright (c) 1999 - 2014, Intel Corporation. All rights reserved\r | |
| 4 | \r | |
| 7ede8060 | 5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
| 3cbfba02 DW |
6 | \r |
| 7 | \r | |
| 8 | \r | |
| 9 | Module Name:\r | |
| 10 | \r | |
| 11 | TcoReset.h\r | |
| 12 | \r | |
| 13 | Abstract:\r | |
| 14 | \r | |
| 15 | Protocol to communicate with ICH TCO.\r | |
| 16 | \r | |
| 17 | GUID Info:\r | |
| 18 | {A6A79162-E325-4c30-BCC3-59373064EFB3}\r | |
| 19 | 0xa6a79162, 0xe325, 0x4c30, 0xbc, 0xc3, 0x59, 0x37, 0x30, 0x64, 0xef, 0xb3);\r | |
| 20 | \r | |
| 21 | \r | |
| 22 | --*/\r | |
| 23 | \r | |
| 24 | #ifndef _TCO_RESET_H_\r | |
| 25 | #define _TCO_RESET_H_\r | |
| 26 | \r | |
| 27 | \r | |
| 28 | #define EFI_TCO_RESET_PROTOCOL_GUID \\r | |
| 29 | {0xa6a79162, 0xe325, 0x4c30, 0xbc, 0xc3, 0x59, 0x37, 0x30, 0x64, 0xef, 0xb3}\r | |
| 30 | \r | |
| 31 | typedef struct _EFI_TCO_RESET_PROTOCOL EFI_TCO_RESET_PROTOCOL;\r | |
| 32 | \r | |
| 33 | typedef\r | |
| 34 | EFI_STATUS\r | |
| 35 | (EFIAPI *EFI_TCO_RESET_PROTOCOL_ENABLE_TCO_RESET) (\r | |
| 36 | IN UINT32 *RcrbGcsSaveValue\r | |
| 37 | )\r | |
| 38 | /*++\r | |
| 39 | \r | |
| 40 | Routine Description:\r | |
| 41 | \r | |
| 42 | Enables the TCO timer to reset the system in case of a system hang. This is\r | |
| 43 | used when writing the clock registers.\r | |
| 44 | \r | |
| 45 | Arguments:\r | |
| 46 | \r | |
| 47 | RcrbGcsSaveValue - This is the value of the RCRB GCS register before it is\r | |
| 48 | changed by this procedure. This will be used to restore\r | |
| 49 | the settings of this register in PpiDisableTcoReset.\r | |
| 50 | \r | |
| 51 | Returns:\r | |
| 52 | \r | |
| 53 | EFI_STATUS\r | |
| 54 | \r | |
| 55 | --*/\r | |
| 56 | ;\r | |
| 57 | \r | |
| 58 | typedef\r | |
| 59 | EFI_STATUS\r | |
| 60 | (EFIAPI *EFI_TCO_RESET_PROTOCOL_DISABLE_TCO_RESET) (\r | |
| 61 | OUT UINT32 RcrbGcsRestoreValue\r | |
| 62 | )\r | |
| 63 | /*++\r | |
| 64 | \r | |
| 65 | Routine Description:\r | |
| 66 | \r | |
| 67 | Disables the TCO timer. This is used after writing the clock registers.\r | |
| 68 | \r | |
| 69 | Arguments:\r | |
| 70 | \r | |
| 71 | RcrbGcsRestoreValue - Value saved in PpiEnableTcoReset so that it can\r | |
| 72 | restored.\r | |
| 73 | \r | |
| 74 | Returns:\r | |
| 75 | \r | |
| 76 | EFI_STATUS\r | |
| 77 | \r | |
| 78 | --*/\r | |
| 79 | ;\r | |
| 80 | \r | |
| 81 | typedef struct _EFI_TCO_RESET_PROTOCOL {\r | |
| 82 | EFI_TCO_RESET_PROTOCOL_ENABLE_TCO_RESET EnableTcoReset;\r | |
| 83 | EFI_TCO_RESET_PROTOCOL_DISABLE_TCO_RESET DisableTcoReset;\r | |
| 84 | } EFI_TCO_RESET_PROTOCOL;\r | |
| 85 | \r | |
| 86 | extern EFI_GUID gEfiTcoResetProtocolGuid;\r | |
| 87 | \r | |
| 88 | #endif\r |