/*
 * Copyright 2017 NXP
 * All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#ifndef __FLEXSPI_NOR_BOOT_H__
#define __FLEXSPI_NOR_BOOT_H__

#include <stdint.h>
#include "board.h"

/************************************* 
 *  IVT Data 
 *************************************/
typedef struct _ivt_ {
    /** @ref hdr with tag #HAB_TAG_IVT, length and HAB version fields
     *  (see @ref data)
     */
    uint32_t hdr;
    /** Absolute address of the first instruction to execute from the
     *  image
     */
    uint32_t entry;
    /** Reserved in this version of HAB: should be NULL. */
    uint32_t reserved1;
    /** Absolute address of the image DCD: may be NULL. */
    uint32_t dcd;
    /** Absolute address of the Boot Data: may be NULL, but not interpreted
     *  any further by HAB
     */
    uint32_t boot_data;
    /** Absolute address of the IVT.*/
    uint32_t self;
    /** Absolute address of the image CSF.*/
    uint32_t csf;
    /** Reserved in this version of HAB: should be zero. */
    uint32_t reserved2;
} ivt;

#define IVT_MAJOR_VERSION           0x4
#define IVT_MAJOR_VERSION_SHIFT     0x4
#define IVT_MAJOR_VERSION_MASK      0xF
#define IVT_MINOR_VERSION           0x1
#define IVT_MINOR_VERSION_SHIFT     0x0
#define IVT_MINOR_VERSION_MASK      0xF

#define IVT_VERSION(major, minor)   \
  ((((major) & IVT_MAJOR_VERSION_MASK) << IVT_MAJOR_VERSION_SHIFT) |  \
  (((minor) & IVT_MINOR_VERSION_MASK) << IVT_MINOR_VERSION_SHIFT))

/* IVT header */  
#define IVT_TAG_HEADER        0xD1       /**< Image Vector Table */
#define IVT_SIZE              0x2000
#define IVT_PAR               IVT_VERSION(IVT_MAJOR_VERSION, IVT_MINOR_VERSION)
#define IVT_HEADER           (IVT_TAG_HEADER | (IVT_SIZE << 8) | (IVT_PAR << 24))

/* Set resume entry */
#if defined(__CC_ARM)
    extern uint32_t __Vectors[];
    extern uint32_t Image$$RW_m_config_text$$Base[];
#define IMAGE_ENTRY_ADDRESS ((uint32_t)__Vectors) 
#define FLASH_BASE ((uint32_t)Image$$RW_m_config_text$$Base)   
#elif defined(__MCUXPRESSO)
    extern uint32_t __Vectors[];
    extern uint32_t __boot_hdr_start__[];
#define IMAGE_ENTRY_ADDRESS ((uint32_t)__Vectors)
#define FLASH_BASE          ((uint32_t)__boot_hdr_start__)
#elif defined(__ICCARM__)
    extern uint32_t __VECTOR_TABLE[];
    extern uint32_t m_boot_hdr_conf_start[];
#define IMAGE_ENTRY_ADDRESS ((uint32_t)__VECTOR_TABLE)    
#define FLASH_BASE ((uint32_t)m_boot_hdr_conf_start)   
#elif defined(__GNUC__)
    extern uint32_t __VECTOR_TABLE[];
    extern uint32_t __FLASH_BASE[];
#define IMAGE_ENTRY_ADDRESS ((uint32_t)__VECTOR_TABLE)     
#define FLASH_BASE ((uint32_t)__FLASH_BASE)   
#endif

#define DCD_ADDRESS           dcd_data
#define BOOT_DATA_ADDRESS     &boot_data
#define CSF_ADDRESS           0
#define IVT_RSVD             (uint32_t)(0x00000000)

/************************************* 
 *  Boot Data 
 *************************************/
typedef struct _boot_data_ {
  uint32_t start;           /* boot start location */
  uint32_t size;            /* size */
  uint32_t plugin;          /* plugin flag - 1 if downloaded application is plugin */
  uint32_t placeholder;		/* placehoder to make even 0x10 size */
}BOOT_DATA_T;

#define FLASH_SIZE            BOARD_FLASH_SIZE
#define PLUGIN_FLAG           (uint32_t)0

/* External Variables */
const BOOT_DATA_T boot_data;
extern const uint8_t dcd_data[];

#endif /* __FLEXSPI_NOR_BOOT_H__ */