From 129f099ef19dd2082d3903600303fe5f4a2c4486 Mon Sep 17 00:00:00 2001
From: "Rodrigo L. Rosa" <rodrigorosa.lg@gmail.com>
Date: Tue, 17 May 2011 19:41:21 -0700
Subject: flash support (only full erase/write) for 568013 and 568037
---
src/flash/nor/Makefile.am | 1 +
src/flash/nor/drivers.c | 2 +
src/flash/nor/dsp5680xx_flash.c | 206 ++++++++++++++++++++++++++++++++++++++++
tcl/target/dsp568013.cfg | 4 +-
tcl/target/dsp568037.cfg | 4 +-
5 files changed, 213 insertions(+), 4 deletions(-)
create mode 100644 src/flash/nor/dsp5680xx_flash.c
diff --git a/src/flash/nor/Makefile.am b/src/flash/nor/Makefile.am
index 95bd313d..98460af7 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 5489419f..52febf17 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 00000000..7b88f7a5
--- /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
diff --git a/tcl/target/dsp568013.cfg b/tcl/target/dsp568013.cfg
index 19403098..fa7c4d95 100644
--- a/tcl/target/dsp568013.cfg
+++ b/tcl/target/dsp568013.cfg
@@ -68,6 +68,6 @@ jtag configure $_CHIPNAME.chp -event tap-disable "
$_TARGETNAME configure -work-area-virt 0
#setup flash
-#set _FLASHNAME $_CHIPNAME.flash
-#flash bank $_FLASHNAME dsp5680xx_flash 0 0 2 1 $_TARGETNAME
+set _FLASHNAME $_CHIPNAME.flash
+flash bank $_FLASHNAME dsp5680xx_flash 0 0 2 1 $_TARGETNAME
diff --git a/tcl/target/dsp568037.cfg b/tcl/target/dsp568037.cfg
index 64cab81f..6089e9d2 100644
--- a/tcl/target/dsp568037.cfg
+++ b/tcl/target/dsp568037.cfg
@@ -68,6 +68,6 @@ jtag configure $_CHIPNAME.chp -event tap-disable "
$_TARGETNAME configure -work-area-virt 0
#setup flash
-#set _FLASHNAME $_CHIPNAME.flash
-#flash bank $_FLASHNAME dsp5680xx_flash 0 0 2 1 $_TARGETNAME
+set _FLASHNAME $_CHIPNAME.flash
+flash bank $_FLASHNAME dsp5680xx_flash 0 0 2 1 $_TARGETNAME
--
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