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https://github.com/Telecominfraproject/OpenCellular.git
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27e8bdb7c0
This helps us keep track of how long vboot is taking on the EC. Signed-off-by: Randall Spangler <rspangler@chromium.org> BUG=chrome-os-partner:9651 TEST=reboot system and look at debug log. time shouldn't start over after it jumps to image A. Change-Id: Iad86e90d42dabf1c67b2c2be80dda1151cf9a288
45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
/* Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* Hardware timer driver API */
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#ifndef __CROS_EC_HWTIMER_H
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#define __CROS_EC_HWTIMER_H
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/**
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* Programs when the next timer should fire an interrupt.
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* deadline: timestamp of the event.
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*/
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void __hw_clock_event_set(uint32_t deadline);
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/* Returns the timestamp of the next programed event */
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uint32_t __hw_clock_event_get(void);
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/* Cancel the next event programed by __hw_clock_event_set */
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void __hw_clock_event_clear(void);
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/* Returns the value of the free-running counter used as clock. */
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uint32_t __hw_clock_source_read(void);
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/**
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* Initializes the hardware timer used to provide clock services, using the
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* specified start timer value.
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*
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* It returns the IRQ number of the timer routine.
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*/
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int __hw_clock_source_init(uint32_t start_t);
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/**
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* Searches the next deadline and program it in the timer hardware.
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*
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* overflow: if true, the 32-bit counter as overflowed since the last call.
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*
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* This function is exported from the common timers code as an helper for the
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* hardware timer interrupt routine.
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*/
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void process_timers(int overflow);
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#endif /* __CROS_EC_HWTIMER_H */
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