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/*
* 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"
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