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