d938ae692c
Currently we don't know where the serial number is stored on the stmp3600. It is probably using the laser fuses but this needs to be investigated Change-Id: I1ac25e38b8f65635abb68788ceb65df0a740dabd
73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2012 by Amaury Pouly
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef OCOTP_IMX233_H
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#define OCOTP_IMX233_H
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#include "config.h"
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#include "system.h"
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/** STMP3700 and over have OCOTP registers
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* where STMP3600 has laser fuses. */
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#if IMX233_SUBTARGET >= 3700
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#include "regs/regs-ocotp.h"
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#define IMX233_NUM_OCOTP_CUST 4
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#define IMX233_NUM_OCOTP_CRYPTO 4
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#define IMX233_NUM_OCOTP_HWCAP 6
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#define IMX233_NUM_OCOTP_OPS 4
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#define IMX233_NUM_OCOTP_UN 3
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#define IMX233_NUM_OCOTP_ROM 8
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static inline void imx233_ocotp_open_banks(bool open)
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{
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if(open)
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{
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BF_CLR(OCOTP_CTRL, ERROR);
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BF_SET(OCOTP_CTRL, RD_BANK_OPEN);
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while(BF_RD(OCOTP_CTRL, BUSY));
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}
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else
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BF_CLR(OCOTP_CTRL, RD_BANK_OPEN);
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}
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static inline uint32_t imx233_ocotp_read(volatile uint32_t *reg)
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{
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imx233_ocotp_open_banks(true);
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uint32_t val = *reg;
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imx233_ocotp_open_banks(false);
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return val;
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}
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#else
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#include "regs/regs-rtc.h"
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#define IMX233_NUM_OCOTP_LASERFUSE 12
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static inline uint32_t imx233_ocotp_read(volatile uint32_t *reg)
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{
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BF_WR_V(RTC_UNLOCK, KEY, VAL);
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uint32_t val = *reg;
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BF_WR(RTC_UNLOCK, KEY, 0);
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return val;
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}
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#endif
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#endif /* OCOTP_IMX233_H */
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