109 lines
4.1 KiB
C
109 lines
4.1 KiB
C
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//*****************************************************************************
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//
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// am_hal_otp.h
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//! @file
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//!
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//! @brief Functions for handling the OTP interface.
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//
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//*****************************************************************************
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//*****************************************************************************
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//
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// Copyright (c) 2017, Ambiq Micro
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its
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// contributors may be used to endorse or promote products derived from this
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// software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// This is part of revision 1.2.9 of the AmbiqSuite Development Package.
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//
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//*****************************************************************************
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#ifndef AM_HAL_OTP_H
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#define AM_HAL_OTP_H
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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//*****************************************************************************
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//
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// Define some OTP values and macros.
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//
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//*****************************************************************************
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#define AM_HAL_OTP_SIG0 0x00
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#define AM_HAL_OTP_SIG1 0x04
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#define AM_HAL_OTP_SIG2 0x08
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#define AM_HAL_OTP_SIG3 0x0C
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#define AM_HAL_OTP_DBGR_O 0x10
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#define AM_HAL_OTP_WRITPROT0_O 0x20
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#define AM_HAL_OTP_WRITPROT1_O 0x24
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#define AM_HAL_OTP_COPYPROT0_O 0x30
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#define AM_HAL_OTP_COPYPROT1_O 0x34
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#define AM_HAL_OTP_ADDR 0x50020000
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#define AM_HAL_OTP_DBGRPROT_ADDR (AM_HAL_OTP_ADDR + AM_HAL_OTP_DBGR_O)
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#define AM_HAL_OTP_WRITPROT_ADDR (AM_HAL_OTP_ADDR + AM_HAL_OTP_WRITPROT0_O)
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#define AM_HAL_OTP_COPYPROT_ADDR (AM_HAL_OTP_ADDR + AM_HAL_OTP_COPYPROT0_O)
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#define AM_HAL_OTP_CHUNKSIZE (16*1024)
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//
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// Debugger port lockout macros.
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//
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#define AM_OTP_DBGR_LOCKOUT_S (0)
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#define AM_OTP_DBGR_LOCKOUT_M (0x1 << AM_OTP_DBGR_LOCKOUT_S)
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#define AM_OTP_STRM_LOCKOUT_S (1)
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#define AM_OTP_STRM_LOCKOUT_M (0x1 << AM_OTP_STRM_LOCKOUT_S)
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#define AM_OTP_SRAM_LOCKOUT_S (2)
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#define AM_OTP_SRAM_LOCKOUT_M (0x1 << AM_OTP_SRAM_LOCKOUT_S)
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//*****************************************************************************
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//
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// Function prototypes
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//
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//*****************************************************************************
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extern int am_hal_otp_is_debugger_lockedout(void);
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extern int am_hal_otp_debugger_lockout(void);
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extern int am_hal_otp_sram_lockout(void);
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extern int am_hal_otp_set_copy_protection(uint32_t u32BegAddr, uint32_t u32EndAddr);
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extern int am_hal_otp_set_write_protection(uint32_t u32BegAddr, uint32_t u32EndAddr);
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#ifdef __cplusplus
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}
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#endif
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#endif // AM_HAL_OTP_H
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//*****************************************************************************
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//
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// End Doxygen group.
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//! @}
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//
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//*****************************************************************************
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