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 | |
| 5 | This program and the accompanying materials are licensed and made available under\r | |
| 6 | the terms and conditions of the BSD License that accompanies this distribution.\r | |
| 7 | 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 | |
| 12 | \r | |
| 13 | \r | |
| 14 | \r | |
| 15 | Module Name:\r | |
| 16 | \r | |
| 17 | Hpet.c\r | |
| 18 | \r | |
| 19 | Abstract:\r | |
| 20 | \r | |
| 21 | This file contains a structure definition for the ACPI HPET Table.\r | |
| 22 | --*/\r | |
| 23 | \r | |
| 24 | //\r | |
| 25 | // Statements that include other files\r | |
| 26 | //\r | |
| 27 | #ifdef ECP_FLAG\r | |
| 28 | #include <Tiano.h>\r | |
| 29 | #endif\r | |
| 30 | #include <Hpet.h>\r | |
| 31 | #include "AcpiTablePlatform.h"\r | |
| 32 | \r | |
| 33 | // Hpet Table\r | |
| 34 | EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_HEADER HPET = {\r | |
| 35 | {\r | |
| 36 | EFI_ACPI_3_0_HIGH_PRECISION_EVENT_TIMER_TABLE_SIGNATURE,\r | |
| 37 | sizeof (EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_HEADER),\r | |
| 38 | EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_REVISION,\r | |
| 39 | 0, // to make sum of entire table == 0\r | |
| 40 | EFI_ACPI_OEM_ID, // OEMID is a 6 bytes long field\r | |
| 41 | EFI_ACPI_OEM_TABLE_ID, // OEM table identification(8 bytes long)\r | |
| 42 | EFI_ACPI_OEM_REVISION, // OEM revision\r | |
| 43 | EFI_ACPI_CREATOR_ID, // ASL compiler vendor ID\r | |
| 44 | EFI_ACPI_CREATOR_REVISION // ASL compiler revision number\r | |
| 45 | },\r | |
| 46 | 0x0, // EventTimerBlockId\r | |
| 47 | {\r | |
| 48 | 0x00, // Address_Space_ID = System Memory\r | |
| 49 | 0x40, // Register_Bit_Width = 32 bits, mentioned about write failures when in 64bit in SCU HAS\r | |
| 50 | 0x00, // Register_Bit_offset\r | |
| 51 | 0x00, // Dword access\r | |
| 52 | HPET_BASE_ADDRESS, // Base addresse of HPET\r | |
| 53 | },\r | |
| 54 | 0x0, // Only HPET's _UID in Namespace\r | |
| 55 | MAIN_COUNTER_MIN_PERIODIC_CLOCK_TICKS,\r | |
| 56 | 0x0\r | |
| 57 | };\r | |
| 58 | \r | |
| 59 | VOID*\r | |
| 60 | ReferenceAcpiTable (\r | |
| 61 | VOID\r | |
| 62 | )\r | |
| 63 | {\r | |
| 64 | //\r | |
| 65 | // Reference the table being generated to prevent the optimizer from\r | |
| 66 | // removing the data structure from the executable\r | |
| 67 | //\r | |
| 68 | return (VOID*)&HPET;\r | |
| 69 | }\r |