flash support (only full erase/write) for 568013 and 568037

3 files changed, 209 insertions, 0 deletions

diff --git a/src/flash/nor/Makefile.am b/src/flash/nor/Makefile.am
index 95bd313..98460af 100644
--- a/src/flash/nor/Makefile.am
+++ b/src/flash/nor/Makefile.am
@@ -30,6 +30,7 @@ NOR_DRIVERS = \
 	str9x.c \
 	str9xpec.c \
 	tms470.c \
+	dsp5680xx_flash.c \
 	virtual.c
 
 noinst_HEADERS = \
diff --git a/src/flash/nor/drivers.c b/src/flash/nor/drivers.c
index 5489419..52febf1 100644
--- a/src/flash/nor/drivers.c
+++ b/src/flash/nor/drivers.c
@@ -43,6 +43,7 @@ extern struct flash_driver faux_flash;
 extern struct flash_driver virtual_flash;
 extern struct flash_driver stmsmi_flash;
 extern struct flash_driver em357_flash;
+extern struct flash_driver dsp5680xx_flash;
 
 /**
  * The list of built-in flash drivers.
@@ -71,6 +72,7 @@ static struct flash_driver *flash_drivers[] = {
 	&virtual_flash,
 	&stmsmi_flash,
 	&em357_flash,
+	&dsp5680xx_flash,
 	NULL,
 };
 
diff --git a/src/flash/nor/dsp5680xx_flash.c b/src/flash/nor/dsp5680xx_flash.c
new file mode 100644
index 0000000..7b88f7a
--- /dev/null
+++ b/src/flash/nor/dsp5680xx_flash.c
@@ -0,0 +1,206 @@
+/***************************************************************************
+ *   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