/******************************************************************************
*
* Copyright (C) 2020 Loci Controls Inc
* Copyright (C) 2016-2018 Texas Instruments Incorporated - http://www.ti.com/
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
*  Redistributions of source code must retain the above copyright
*  notice, this list of conditions and the following disclaimer.
*
*  Redistributions in binary form must reproduce the above copyright
*  notice, this list of conditions and the following disclaimer in the
*  documentation and/or other materials provided with the
*  distribution.
*
*  Neither the name of Texas Instruments Incorporated nor the names of
*  its contributors may be used to endorse or promote products derived
*  from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************/

#include <stdint.h>
#include <stdbool.h>
#include "flash.h"

struct rom_api {
        unsigned long (*Crc32)(unsigned char *pucData,
                               unsigned long ulByteCount);
        unsigned long (*GetFlashSize)(void);
        unsigned long (*GetChipId)(void);
        long (*PageErase)(unsigned long ulStartAddress,
                          unsigned long ulEraseSize);
        long (*ProgramFlash)(unsigned long *pulData,
                             unsigned long ulAddress,
                             unsigned long ulCount);
} *ROM = (struct rom_api *)0x00000048;

extern uint32_t flash_sector_erase(uint32_t sector_address)
{
        *(uint32_t *)0x20001be4 = 0xeeeefff1;
        *(uint32_t *)0x20001bf8 = 0xeeeefff2;
        for (;;)
                continue;

}

extern uint32_t flash_bank_erase(void)
{
        long ret = ROM->PageErase(FLASHMEM_BASE, ROM->GetFlashSize());
        if (ret == 0)
                return 0;
        if (ret == -1)
                return 0x101;
        if (ret == -2)
                return 0x102;
        return 0x103;
}

extern uint32_t flash_program(uint8_t *data_buffer, uint32_t address,
                              uint32_t count)
{
        *(uint32_t *)0x20001be4 = 0xaaaabbb1;
        *(uint32_t *)0x20001bf8 = 0xaaaabbb2;
        for (;;)
                continue;
}
