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36 lines
1.1 KiB
36 lines
1.1 KiB
/* SPDX-License-Identifier: GPL-2.0+ */ |
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/* |
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* linux/drivers/char/watchdog/omap_wdt.h |
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* |
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* BRIEF MODULE DESCRIPTION |
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* OMAP Watchdog timer register definitions |
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* |
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* Copyright (C) 2004 Texas Instruments. |
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*/ |
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#ifndef _OMAP_WATCHDOG_H |
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#define _OMAP_WATCHDOG_H |
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#define OMAP_WATCHDOG_REV (0x00) |
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#define OMAP_WATCHDOG_SYS_CONFIG (0x10) |
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#define OMAP_WATCHDOG_STATUS (0x14) |
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#define OMAP_WATCHDOG_CNTRL (0x24) |
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#define OMAP_WATCHDOG_CRR (0x28) |
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#define OMAP_WATCHDOG_LDR (0x2c) |
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#define OMAP_WATCHDOG_TGR (0x30) |
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#define OMAP_WATCHDOG_WPS (0x34) |
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#define OMAP_WATCHDOG_SPR (0x48) |
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/* Using the prescaler, the OMAP watchdog could go for many |
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* months before firing. These limits work without scaling, |
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* with the 60 second default assumed by most tools and docs. |
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*/ |
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#define TIMER_MARGIN_MAX (24 * 60 * 60) /* 1 day */ |
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#define TIMER_MARGIN_DEFAULT 60 /* 60 secs */ |
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#define TIMER_MARGIN_MIN 1 |
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#define PTV 0 /* prescale */ |
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#define GET_WLDR_VAL(secs) (0xffffffff - ((secs) * (32768/(1<<PTV))) + 1) |
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#define GET_WCCR_SECS(val) ((0xffffffff - (val) + 1) / (32768/(1<<PTV))) |
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#endif /* _OMAP_WATCHDOG_H */
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