Merge pull request #478 from ADVANSEE/cc2538-startup-cleanup
cc2538: Startup cleanup
This commit is contained in:
George Oikonomou
commit
f2c552bb55
@ -46,7 +46,7 @@
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MEMORY
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{
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FLASH (rx) : ORIGIN = 0x200000, LENGTH = 0x0007FFD4
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FLASH_CCA (RX) : ORIGIN = 0x0027FFD4, LENGTH = 12
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FLASH_CCA (RX) : ORIGIN = 0x0027FFD4, LENGTH = 44
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#if (LPM_CONF_MAX_PM==2) && (LPM_CONF_ENABLE != 0)
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NRSRAM (RWX) : ORIGIN = NRSRAM_START, LENGTH = NRSRAM_LEN
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#endif
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93
cpu/cc2538/dev/flash-cca.h
Normal file
93
cpu/cc2538/dev/flash-cca.h
Normal file
@ -0,0 +1,93 @@
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/*
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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-cca cc2538 flash CCA
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*
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* Definitions for the cc2538 flash lock bit page and customer configuration
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* area
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* @{
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*
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* \file
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* Header file for the flash lock bit page and CCA definitions
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*/
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#ifndef FLASH_CCA_H_
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#define FLASH_CCA_H_
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#include <stdint.h>
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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_CCA_H_ */
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/**
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* @}
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* @}
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*/
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@ -38,13 +38,11 @@
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*/
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#include "contiki.h"
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#include "reg.h"
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#include "flash-cca.h"
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#include "sys-ctrl.h"
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#include "uart.h"
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#include <stdint.h>
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#define FLASH_START_ADDR 0x00200000
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#define BOOTLOADER_BACKDOOR_DISABLE 0xEFFFFFFF
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#define SYS_CTRL_EMUOVR 0x400D20B4
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/*---------------------------------------------------------------------------*/
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extern int main(void);
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/*---------------------------------------------------------------------------*/
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@ -92,22 +90,19 @@ void uart_isr(void);
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/* Allocate stack space */
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static unsigned long stack[512];
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/*---------------------------------------------------------------------------*/
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/*
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* Customer Configuration Area in the Lock Page
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* Holds Image Vector table address (bytes 2012 - 2015) and
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* Image Valid bytes (bytes 2008 -2011)
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*/
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typedef struct {
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unsigned long bootldr_cfg;
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unsigned long image_valid;
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unsigned long image_vector_addr;
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} lock_page_cca_t;
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/* Linker construct indicating .text section location */
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extern uint8_t _text[0];
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/*---------------------------------------------------------------------------*/
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__attribute__ ((section(".flashcca"), used))
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const lock_page_cca_t __cca = {
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BOOTLOADER_BACKDOOR_DISABLE, /* Bootloader backdoor disabled */
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0, /* Image valid bytes */
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FLASH_START_ADDR /* Vector table located at the start of flash */
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const flash_cca_lock_page_t __cca = {
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FLASH_CCA_BOOTLDR_CFG_DISABLE, /* Bootloader backdoor disabled */
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FLASH_CCA_IMAGE_VALID, /* Image valid */
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&_text, /* Vector table located at the start of .text */
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/* Unlock all pages and debug */
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{ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }
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};
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/*---------------------------------------------------------------------------*/
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__attribute__ ((section(".vectors"), used))
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