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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2012 by Amaury Pouly
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef OCOTP_IMX233_H
#define OCOTP_IMX233_H
#include "config.h"
#include "system.h"
/** STMP3700 and over have OCOTP registers
* where STMP3600 has laser fuses. */
#if IMX233_SUBTARGET >= 3700
#include "regs/regs-ocotp.h"
#define IMX233_NUM_OCOTP_CUST 4
#define IMX233_NUM_OCOTP_CRYPTO 4
#define IMX233_NUM_OCOTP_HWCAP 6
#define IMX233_NUM_OCOTP_OPS 4
#define IMX233_NUM_OCOTP_UN 3
#define IMX233_NUM_OCOTP_ROM 8
static inline void imx233_ocotp_open_banks(bool open)
{
if(open)
{
BF_CLR(OCOTP_CTRL, ERROR);
BF_SET(OCOTP_CTRL, RD_BANK_OPEN);
while(BF_RD(OCOTP_CTRL, BUSY));
}
else
BF_CLR(OCOTP_CTRL, RD_BANK_OPEN);
}
static inline uint32_t imx233_ocotp_read(volatile uint32_t *reg)
{
imx233_ocotp_open_banks(true);
uint32_t val = *reg;
imx233_ocotp_open_banks(false);
return val;
}
#else
#include "regs/regs-rtc.h"
#define IMX233_NUM_OCOTP_LASERFUSE 12
static inline uint32_t imx233_ocotp_read(volatile uint32_t *reg)
{
BF_WR_V(RTC_UNLOCK, KEY, VAL);
uint32_t val = *reg;
BF_WR(RTC_UNLOCK, KEY, 0);
return val;
}
#endif
#endif /* OCOTP_IMX233_H */
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