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/***************************************************************************
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* Copyright (C) 2011 by Rodrigo L. Rosa *
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* rodrigorosa.LG@gmail.com *
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* *
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* Based on a file written by: *
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* Kevin McGuire *
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* Marcel Wijlaars *
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* Michael Ashton *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#ifndef DSP5680XX_FLASH_H
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#define DSP5680XX_FLASH_H
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#include "imp.h"
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#include <helper/binarybuffer.h>
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#include <helper/time_support.h>
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#include <target/algorithm.h>
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#include <target/dsp5680xx.h>
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struct dsp5680xx_flash_bank {
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struct working_area *write_algorithm;
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};
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static int dsp5680xx_build_sector_list(struct flash_bank *bank){
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//LOG_USER("%s not implemented",__FUNCTION__);
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//return ERROR_OK;
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// sector size is 512
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// bank->num_sectors = bank->size / 512; // Bank size is actually 0x2000, but it is set much higher as part of the workaround for byte/word addressing issues.
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bank->sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
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int i;
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for (i = 0; i < bank->num_sectors; ++i){
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bank->sectors[i].offset = 0;// not implemented.
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bank->sectors[i].size = HFM_SECTOR_SIZE;
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//offset += bank->sectors[i].size;
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bank->sectors[i].is_erased = -1;
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bank->sectors[i].is_protected = -1;
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}
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LOG_USER("%s not tested yet.",__FUNCTION__);
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return ERROR_OK;
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}
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// flash bank dsp5680xx 0 0 0 0 <target#>
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FLASH_BANK_COMMAND_HANDLER(dsp5680xx_flash_bank_command){
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struct dsp5680xx_flash_bank *nbank;
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nbank = malloc(sizeof(struct dsp5680xx_flash_bank));
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bank->base = HFM_FLASH_BASE_ADDR;
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bank->size = HFM_SIZE; // top 4k not accessible
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bank->driver_priv = nbank;
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bank->num_sectors = HFM_SECTOR_COUNT;// This number is anything >0. not really used.
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dsp5680xx_build_sector_list(bank);
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return ERROR_OK;
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}
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static int dsp5680xx_flash_protect_check(struct flash_bank *bank){
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int retval = ERROR_OK;
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uint8_t protected = 0;
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if(bank->sectors[0].is_protected == -1){
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retval = dsp5680xx_f_protect_check(bank->target,&protected);
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if(retval == ERROR_OK)
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if(protected)
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bank->sectors[0].is_protected = 1;
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else
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bank->sectors[0].is_protected = 0;
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else
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bank->sectors[0].is_protected = -1;
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}
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return retval;
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}
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static int dsp5680xx_flash_protect(struct flash_bank *bank, int set, int first, int last){
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int retval;
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if(set){
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retval = dsp5680xx_f_lock(bank->target);
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if(retval == ERROR_OK)
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bank->sectors[0].is_protected = 1;
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}else{
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retval = dsp5680xx_f_unlock(bank->target);
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if(retval == ERROR_OK)
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bank->sectors[0].is_protected = 0;
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}
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return retval;
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}
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/*
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static int dsp5680xx_write_block(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count){
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LOG_USER("%s not implemented",__FUNCTION__);
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return ERROR_OK;
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}
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static int dsp5680xx_write_single(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count){
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LOG_USER("%s not implemented",__FUNCTION__);
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return ERROR_OK;
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}
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*/
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//-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
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//-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
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// Flash stuff test
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//-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
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//-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
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static int dsp5680xx_flash_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count){
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int retval;
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if((offset + count/2)>bank->size){
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LOG_ERROR("%s: Flash bank cannot fit data.",__FUNCTION__);
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return ERROR_FAIL;
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}
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if(offset%2){
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LOG_ERROR("%s: Writing to odd addresses not supported. This chip uses word addressing, Openocd only supports byte addressing. The workaround results in disabling writing to odd byte addresses.",__FUNCTION__);
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return ERROR_FAIL;
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}
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retval = dsp5680xx_f_wr(bank->target, buffer, bank->base + offset/2, count);
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if(retval == ERROR_OK)
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bank->sectors[0].is_erased = 0;
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else
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bank->sectors[0].is_erased = -1;
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return retval;
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}
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static int dsp5680xx_probe(struct flash_bank *bank){
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//LOG_USER("%s not implemented",__FUNCTION__);
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return ERROR_OK;
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}
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static int dsp5680xx_flash_info(struct flash_bank *bank, char *buf, int buf_size){
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snprintf(buf, buf_size, "\ndsp5680xx flash driver info:\n - Currently only full erase/lock/unlock are implemented. \n - Call with bank==0 and sector 0 to 0.\n - Protect requires arp_init-reset to complete. \n - Before removing protection the master tap must be selected, and arp_init-reset is required to complete unlocking.");
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return ERROR_OK;
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}
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/*
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static int dsp5680xx_set_write_enable(struct target *target, int enable){
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LOG_USER("%s not implemented",__FUNCTION__);
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return ERROR_OK;
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}
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static int dsp5680xx_check_flash_completion(struct target* target, unsigned int timeout_ms){
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LOG_USER("%s not implemented",__FUNCTION__);
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return ERROR_OK;
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}
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*/
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static int dsp5680xx_flash_erase(struct flash_bank * bank, int first, int last){
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int retval;
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retval = dsp5680xx_f_erase(bank->target, (uint32_t) first, (uint32_t) last);
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if(retval == ERROR_OK)
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bank->sectors[0].is_erased = 1;
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else
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bank->sectors[0].is_erased = -1;
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return retval;
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}
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static int dsp5680xx_flash_erase_check(struct flash_bank * bank){
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int retval = ERROR_OK;
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uint8_t erased = 0;
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if(bank->sectors[0].is_erased == -1){
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retval = dsp5680xx_f_erase_check(bank->target,&erased);
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if (retval != ERROR_OK){
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bank->sectors[0].is_erased = -1;
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}else{
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if(erased)
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bank->sectors[0].is_erased = 1;
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else
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bank->sectors[0].is_erased = 0;
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}
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}
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return retval;
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}
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struct flash_driver dsp5680xx_flash = {
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.name = "dsp5680xx_flash",
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.flash_bank_command = dsp5680xx_flash_bank_command,
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.erase = dsp5680xx_flash_erase,
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.protect = dsp5680xx_flash_protect,
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.write = dsp5680xx_flash_write,
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//.read = default_flash_read,
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//.probe = dsp5680xx_probe,
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.auto_probe = dsp5680xx_probe,
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.erase_check = dsp5680xx_flash_erase_check,
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.protect_check = dsp5680xx_flash_protect_check,
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.info = dsp5680xx_flash_info
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};
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#endif // dsp5680xx_flash.h
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