| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * i8xx_tco: TCO timer driver for i8xx chipsets |
| 3 | * |
| 4 | * (c) Copyright 2000 kernel concepts <nils@kernelconcepts.de>, All Rights Reserved. |
| 5 | * http://www.kernelconcepts.de |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU General Public License |
| 9 | * as published by the Free Software Foundation; either version |
| 10 | * 2 of the License, or (at your option) any later version. |
| 11 | * |
| 12 | * Neither kernel concepts nor Nils Faerber admit liability nor provide |
| 13 | * warranty for any of this software. This material is provided |
| 14 | * "AS-IS" and at no charge. |
| 15 | * |
| 16 | * (c) Copyright 2000 kernel concepts <nils@kernelconcepts.de> |
| 17 | * developed for |
| 18 | * Jentro AG, Haar/Munich (Germany) |
| 19 | * |
| 20 | * TCO timer driver for i8xx chipsets |
| 21 | * based on softdog.c by Alan Cox <alan@redhat.com> |
| 22 | * |
| 23 | * For history and the complete list of supported I/O Controller Hub's |
| 24 | * see i8xx_tco.c |
| 25 | */ |
| 26 | |
| 27 | |
| 28 | /* |
| 29 | * Some address definitions for the TCO |
| 30 | */ |
| 31 | |
| 32 | #define TCOBASE ACPIBASE + 0x60 /* TCO base address */ |
| 33 | #define TCO1_RLD TCOBASE + 0x00 /* TCO Timer Reload and Current Value */ |
| 34 | #define TCO1_TMR TCOBASE + 0x01 /* TCO Timer Initial Value */ |
| 35 | #define TCO1_DAT_IN TCOBASE + 0x02 /* TCO Data In Register */ |
| 36 | #define TCO1_DAT_OUT TCOBASE + 0x03 /* TCO Data Out Register */ |
| 37 | #define TCO1_STS TCOBASE + 0x04 /* TCO1 Status Register */ |
| 38 | #define TCO2_STS TCOBASE + 0x06 /* TCO2 Status Register */ |
| 39 | #define TCO1_CNT TCOBASE + 0x08 /* TCO1 Control Register */ |
| 40 | #define TCO2_CNT TCOBASE + 0x0a /* TCO2 Control Register */ |
| 41 | |
| 42 | #define SMI_EN ACPIBASE + 0x30 /* SMI Control and Enable Register */ |