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Release 4.14 drivers/watchdog/sp5100_tco.h

Directory: drivers/watchdog
/* SPDX-License-Identifier: GPL-2.0 */
/*
 *      sp5100_tco:     TCO timer driver for sp5100 chipsets.
 *
 *      (c) Copyright 2009 Google Inc., All Rights Reserved.
 *
 *      TCO timer driver for sp5100 chipsets
 */

/*
 * Some address definitions for the Watchdog
 */

#define SP5100_WDT_MEM_MAP_SIZE		0x08

#define SP5100_WDT_CONTROL(base)	((base) + 0x00) 
/* Watchdog Control */

#define SP5100_WDT_COUNT(base)		((base) + 0x04) 
/* Watchdog Count */


#define SP5100_WDT_START_STOP_BIT	(1 << 0)

#define SP5100_WDT_TRIGGER_BIT		(1 << 7)


#define SP5100_PM_IOPORTS_SIZE		0x02

/*
 * These two IO registers are hardcoded and there doesn't seem to be a way to
 * read them from a register.
 */

/*  For SP5100/SB7x0 chipset */

#define SP5100_IO_PM_INDEX_REG		0xCD6

#define SP5100_IO_PM_DATA_REG		0xCD7


#define SP5100_SB_RESOURCE_MMIO_BASE	0x9C


#define SP5100_PM_WATCHDOG_CONTROL	0x69

#define SP5100_PM_WATCHDOG_BASE		0x6C


#define SP5100_PM_WATCHDOG_FIRED	(1 << 1)

#define SP5100_PM_WATCHDOG_ACTION_RESET	(1 << 2)


#define SP5100_PCI_WATCHDOG_MISC_REG	0x41

#define SP5100_PCI_WATCHDOG_DECODE_EN	(1 << 3)


#define SP5100_PM_WATCHDOG_DISABLE	(1 << 0)

#define SP5100_PM_WATCHDOG_SECOND_RES	(3 << 1)


#define SP5100_DEVNAME			"SP5100 TCO"


/*  For SB8x0(or later) chipset */

#define SB800_IO_PM_INDEX_REG		0xCD6

#define SB800_IO_PM_DATA_REG		0xCD7


#define SB800_PM_ACPI_MMIO_EN		0x24

#define SB800_PM_WATCHDOG_CONTROL	0x48

#define SB800_PM_WATCHDOG_BASE		0x48

#define SB800_PM_WATCHDOG_CONFIG	0x4C


#define SB800_PCI_WATCHDOG_DECODE_EN	(1 << 0)

#define SB800_PM_WATCHDOG_DISABLE	(1 << 2)

#define SB800_PM_WATCHDOG_SECOND_RES	(3 << 0)

#define SB800_ACPI_MMIO_DECODE_EN	(1 << 0)

#define SB800_ACPI_MMIO_SEL		(1 << 1)



#define SB800_PM_WDT_MMIO_OFFSET	0xB00


#define SB800_DEVNAME			"SB800 TCO"

Overall Contributors

PersonTokensPropCommitsCommitProp
Takahisa Tanaka7453.62%250.00%
Priyanka Gupta6345.65%125.00%
Greg Kroah-Hartman10.72%125.00%
Total138100.00%4100.00%
Directory: drivers/watchdog
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