/* SPDX-License-Identifier: GPL-2.0+ */
/*
* nv_tco : TCO timer driver for nVidia chipsets .
*
* ( c ) Copyright 2005 Google Inc . , All Rights Reserved .
*
* Supported Chipsets :
* - MCP51 / MCP55
*
* ( c ) Copyright 2000 kernel concepts < nils @ kernelconcepts . de > , All Rights
* Reserved .
* https : //www.kernelconcepts.de
*
* Neither kernel concepts nor Nils Faerber admit liability nor provide
* warranty for any of this software . This material is provided
* " AS - IS " and at no charge .
*
* ( c ) Copyright 2000 kernel concepts < nils @ kernelconcepts . de >
* developed for
* Jentro AG , Haar / Munich ( Germany )
*
* TCO timer driver for NV chipsets
* based on softdog . c by Alan Cox < alan @ redhat . com >
*/
/*
* Some address definitions for the TCO
*/
#define TCO_RLD(base) ((base) + 0 x00) /* TCO Timer Reload and Current Value */
#define TCO_TMR(base) ((base) + 0 x01) /* TCO Timer Initial Value */
#define TCO_STS(base) ((base) + 0 x04) /* TCO Status Register */
/*
* TCO Boot Status bit : set on TCO reset , reset by software or standby
* power - good ( survives reboots ) , unfortunately this bit is never
* set .
*/
# define TCO_STS_BOOT_STS (1 << 9 )
/*
* first and 2 nd timeout status bits , these also survive a warm boot ,
* and they work , so we use them .
*/
# define TCO_STS_TCO_INT_STS (1 << 1 )
# define TCO_STS_TCO2TO_STS (1 << 10 )
# define TCO_STS_RESET (TCO_STS_BOOT_STS | TCO_STS_TCO2TO_STS | \
TCO_STS_TCO_INT_STS)
#define TCO_CNT(base) ((base) + 0 x08) /* TCO Control Register */
# define TCO_CNT_TCOHALT (1 << 12 )
#define MCP51_SMBUS_SETUP_B 0 xe8
# define MCP51_SMBUS_SETUP_B_TCO_REBOOT (1 << 25 )
/*
* The SMI_EN register is at the base io address + 0 x04 ,
* while TCOBASE is + 0 x40 .
*/
#define MCP51_SMI_EN(base) ((base) - 0 x40 + 0 x04)
# define MCP51_SMI_EN_TCO ((1 << 4 ) | (1 << 5 ))
Messung V0.5 in Prozent C=96 H=95 G=95
¤ Dauer der Verarbeitung: 0.8 Sekunden
(vorverarbeitet am 2026-10-11)
¤
*© Formatika GbR, Deutschland