|  | /* | 
|  | *	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" |