33 lines
697 B
C
33 lines
697 B
C
/* Copyright 2017 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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/* OTP memory module for Chrome EC */
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#ifndef __CROS_EC_OTP_H
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#define __CROS_EC_OTP_H
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/*
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* OTP: One Time Programable memory is used for storing persistent data.
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*/
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/**
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* Set the serial number in OTP memory.
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*
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* @param serialno ascii serial number string.
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*
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* @return success status.
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*/
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int otp_write_serial(const char *serialno);
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/**
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* Get the serial number from flash.
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*
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* @return char * ascii serial number string.
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* NULL if error.
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*/
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const char *otp_read_serial(void);
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#endif /* __CROS_EC_OTP_H */
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