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/****************************************************************************
* configs/hn70ap/src/bootloader_intflash.h
*
* Copyright (C) 2018 Sebastien Lorquet. All rights reserved.
* Author: Sebastien Lorquet <sebastien@lorquet.fr>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name NuttX 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, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef BOOTLOADER_INTFLASH_H
#define BOOTLOADER_INTFLASH_H
#include <stdint.h>
enum {
FLASH_BLOCK_8,
FLASH_BLOCK_16,
FLASH_BLOCK_32,
FLASH_BLOCK_64
};
#define FLASH_BASE 0x08000000
#define FLASH_SIZE_ADDR 0x1FFF7A22
#define FLASH_KEYR 0x40023C04
#define FLASH_OPTKEYR 0x40023C08
#define FLASH_SR 0x40023C0C
#define FLASH_CR 0x40023C10
#define FLASH_OPTCR 0x40023C14
#define FLASH_OPTCR1 0x40023C18
#define FLASH_CR_PG (1<< 0)
#define FLASH_CR_SER (1<< 1)
#define FLASH_CR_START (1<< 16)
#define FLASH_CR_LOCK (1<< 31)
#define FLASH_SR_BSY (1<< 16)
#define FLASH_OPTCR_OPTSTRT (1<< 1)
#define FLASH_OPTCR_OPTLOCK (1<< 0)
#define FLASH_OPTCR_DB1M (1<< 30)
#define FLASH_OPTCR_BORLEV_SHIFT 2
#define FLASH_OPTCR_BORLEV_MASK (3 << FLASH_OPTCR_BORLEV_SHIFT)
#define FLASH_OPTCR_BORLEV_LVL3 (0 << FLASH_OPTCR_BORLEV_SHIFT)
#define FLASH_OPTCR_BORLEV_LVL2 (1 << FLASH_OPTCR_BORLEV_SHIFT)
#define FLASH_OPTCR_BORLEV_LVL1 (2 << FLASH_OPTCR_BORLEV_SHIFT)
#define FLASH_OPTCR_BORLEV_OFF (3 << FLASH_OPTCR_BORLEV_SHIFT)
/* init registers before operations*/
void bootloader_intflash_init(uint8_t blocksize);
/* erase flash at any address, return erased size */
uint32_t bootloader_intflash_erase(uint32_t destaddr);
/* write some data to the flash */
int bootloader_intflash_write(uint32_t destaddr, uint8_t *sourcedata, uint32_t len);
int bootloader_intflash_writeprotect(uint32_t sector, uint32_t prot);
int bootloader_intflash_enablebor(uint32_t level);
#endif