/* * @brief LPC18xx/43xx OTP Controller driver * * @note * Copyright(C) NXP Semiconductors, 2012 * All rights reserved. * * @par * Software that is described herein is for illustrative purposes only * which provides customers with programming information regarding the * LPC products.  This software is supplied "AS IS" without any warranties of * any kind, and NXP Semiconductors and its licensor disclaim any and * all warranties, express or implied, including all implied warranties of * merchantability, fitness for a particular purpose and non-infringement of * intellectual property rights.  NXP Semiconductors assumes no responsibility * or liability for the use of the software, conveys no license or rights under any * patent, copyright, mask work right, or any other intellectual property rights in * or to any products. NXP Semiconductors reserves the right to make changes * in the software without notification. NXP Semiconductors also makes no * representation or warranty that such application will be suitable for the * specified use without further testing or modification. * * @par * Permission to use, copy, modify, and distribute this software and its * documentation is hereby granted, under NXP Semiconductors' and its * licensor's relevant copyrights in the software, without fee, provided that it * is used in conjunction with NXP Semiconductors microcontrollers.  This * copyright, permission, and disclaimer notice must appear in all copies of * this code. */#include "chip.h"/***************************************************************************** * Private types/enumerations/variables ****************************************************************************/#define BOOTROM_BASE            0x10400100#define OTP_API_TABLE_OFFSET    0x1static unsigned long *BOOTROM_API_TABLE;/***************************************************************************** * Public types/enumerations/variables ****************************************************************************//***************************************************************************** * Private functions ****************************************************************************/static uint32_t (*Otp_ProgBootSrc)(CHIP_OTP_BOOT_SRC_T BootSrc);static uint32_t (*Otp_ProgJTAGDis)(void);static uint32_t (*Otp_ProgUSBID)(uint32_t ProductID, uint32_t VendorID);static uint32_t (*Otp_ProgGP0)(uint32_t Data, uint32_t Mask);static uint32_t (*Otp_ProgGP1)(uint32_t Data, uint32_t Mask);static uint32_t (*Otp_ProgGP2)(uint32_t Data, uint32_t Mask);static uint32_t (*Otp_ProgKey1)(uint8_t *key);static uint32_t (*Otp_ProgKey2)(uint8_t *key);static uint32_t (*Otp_GenRand)(void);/***************************************************************************** * Public functions ****************************************************************************//* CHIP OTP Initialisation function */uint32_t Chip_OTP_Init(void){    uint32_t (*ROM_otp_Init)(void);    BOOTROM_API_TABLE = *((unsigned long * *) BOOTROM_BASE + OTP_API_TABLE_OFFSET);    ROM_otp_Init      = (uint32_t (*)(void))BOOTROM_API_TABLE[0];    Otp_ProgBootSrc   = (uint32_t (*)(CHIP_OTP_BOOT_SRC_T BootSrc))BOOTROM_API_TABLE[1];    Otp_ProgJTAGDis   = (uint32_t (*)(void))BOOTROM_API_TABLE[2];    Otp_ProgUSBID     = (uint32_t (*)(uint32_t ProductID, uint32_t VendorID))BOOTROM_API_TABLE[3];    Otp_ProgGP0       = (uint32_t (*)(uint32_t Data, uint32_t Mask))BOOTROM_API_TABLE[7];    Otp_ProgGP1       = (uint32_t (*)(uint32_t Data, uint32_t Mask))BOOTROM_API_TABLE[8];    Otp_ProgGP2       = (uint32_t (*)(uint32_t Data, uint32_t Mask))BOOTROM_API_TABLE[9];    Otp_ProgKey1      = (uint32_t (*)(uint8_t *key))BOOTROM_API_TABLE[10];    Otp_ProgKey2      = (uint32_t (*)(uint8_t *key))BOOTROM_API_TABLE[11];    Otp_GenRand       = (uint32_t (*)(void))BOOTROM_API_TABLE[12];    return ROM_otp_Init();}/* Program boot source in OTP Controller */uint32_t Chip_OTP_ProgBootSrc(CHIP_OTP_BOOT_SRC_T BootSrc){    return Otp_ProgBootSrc(BootSrc);}/* Program the JTAG bit in OTP Controller */uint32_t Chip_OTP_ProgJTAGDis(void){    return Otp_ProgJTAGDis();}/* Program USB ID in OTP Controller */uint32_t Chip_OTP_ProgUSBID(uint32_t ProductID, uint32_t VendorID){    return Otp_ProgUSBID(ProductID, VendorID);}/* Program OTP GP Word memory */uint32_t Chip_OTP_ProgGPWord(uint32_t WordNum, uint32_t Data, uint32_t Mask){    uint32_t status;    switch (WordNum) {    case 1:        status = Otp_ProgGP1(Data, Mask);        break;    case 2:        status = Otp_ProgGP2(Data, Mask);        break;    case 0:    default:        status = Otp_ProgGP0(Data, Mask);        break;    }    return status;}/* Program AES Key */uint32_t Chip_OTP_ProgKey(uint32_t KeyNum, uint8_t *key){    uint32_t status;    if (KeyNum) {        status = Otp_ProgKey2(key);    }    else {        status = Otp_ProgKey1(key);    }    return status;}/* Generate Random Number using HW Random Number Generator */uint32_t Chip_OTP_GenRand(void){    return Otp_GenRand();}