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Define the flash memory page and word sizes. These definitions are grouped with the flash lock bit page and CCA definitions, so flash-cca.h is renamed to flash.h. Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau.dev@gmail.com>
110 lines
4.3 KiB
C
110 lines
4.3 KiB
C
/*
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* Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
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* All rights reserved.
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*
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* Copyright (c) 2013, ADVANSEE - http://www.advansee.com/
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* Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* \addtogroup cc2538
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* @{
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*
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* \defgroup cc2538-flash cc2538 flash memory
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*
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* Definitions for the cc2538 flash memory
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* @{
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*
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* \file
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* Header file for the flash memory definitions
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*/
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#ifndef FLASH_H_
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#define FLASH_H_
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#include "dev/cc2538-dev.h"
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#include <stdint.h>
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/*---------------------------------------------------------------------------*/
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/** \name Flash memory organization
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* @{
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*/
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#define FLASH_PAGE_SIZE 2048
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#define FLASH_WORD_SIZE 4
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/** @} */
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/*---------------------------------------------------------------------------*/
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/** \name Flash lock bit page and CCA location
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* @{
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*/
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#define FLASH_CCA_ADDR (CC2538_DEV_FLASH_ADDR + CC2538_DEV_FLASH_SIZE - \
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FLASH_CCA_SIZE) /**< Address */
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#define FLASH_CCA_SIZE 0x0000002C /**< Size in bytes */
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/** @} */
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/*---------------------------------------------------------------------------*/
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/** \name Bootloader backdoor configuration bit fields
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* @{
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*/
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#define FLASH_CCA_BOOTLDR_CFG_DISABLE 0xEFFFFFFF /**< Disable backdoor function */
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#define FLASH_CCA_BOOTLDR_CFG_ENABLE 0xF0FFFFFF /**< Enable backdoor function */
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#define FLASH_CCA_BOOTLDR_CFG_ACTIVE_HIGH 0x08000000 /**< Selected pin on pad A active high */
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#define FLASH_CCA_BOOTLDR_CFG_PORT_A_PIN_M 0x07000000 /**< Selected pin on pad A mask */
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#define FLASH_CCA_BOOTLDR_CFG_PORT_A_PIN_S 24 /**< Selected pin on pad A shift */
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/** @} */
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/*---------------------------------------------------------------------------*/
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/** \name Image valid definitions
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* @{
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*/
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#define FLASH_CCA_IMAGE_VALID 0x00000000 /**< Indicates valid image in flash */
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/** @} */
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/*---------------------------------------------------------------------------*/
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/** \name Lock page / debug definitions
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* @{
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*/
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#define FLASH_CCA_LOCKED 0 /**< Page or debug locked if bit == 0 */
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#define FLASH_CCA_LOCK_DEBUG_BYTE 31 /**< Lock byte containing the debug lock bit */
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#define FLASH_CCA_LOCK_DEBUG_BIT 7 /**< Debug lock bit position in the corresponding lock byte */
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/** @} */
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/*---------------------------------------------------------------------------*/
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/** \name Flash lock bit page and CCA layout
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* @{
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*/
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typedef struct {
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uint32_t bootldr_cfg; /**< Bootloader backdoor configuration (page bytes 2004 - 2007) */
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uint32_t image_valid; /**< Image valid (page bytes 2008 - 2011) */
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const void *app_entry_point; /**< Flash vector table address (page bytes 2012 - 2015) */
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uint8_t lock[32]; /**< Page and debug lock bits (page bytes 2016 - 2047) */
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} flash_cca_lock_page_t;
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/** @} */
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#endif /* FLASH_H_ */
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/**
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* @}
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* @}
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*/
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