* Copyright (C) 2005 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
+ * Copyright (C) 2007,2008 Øyvind Harboe *
+ * oyvind.harboe@zylin.com *
+ * *
* 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 *
#include "fileio.h"
#include "image.h"
#include "log.h"
+#include "armv4_5.h"
+#include "algorithm.h"
+#include "binarybuffer.h"
+#include "armv7m.h"
#include <string.h>
#include <unistd.h>
/* command handlers */
int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int handle_flash_banks_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
int handle_flash_fill_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int handle_flash_auto_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr);
/* flash drivers
extern flash_driver_t stm32x_flash;
extern flash_driver_t tms470_flash;
extern flash_driver_t ecosflash_flash;
+extern flash_driver_t lpc288x_flash;
+extern flash_driver_t ocl_flash;
flash_driver_t *flash_drivers[] =
{
&stm32x_flash,
&tms470_flash,
&ecosflash_flash,
+ &lpc288x_flash,
+ &ocl_flash,
NULL,
};
flash_bank_t *flash_banks;
static command_t *flash_cmd;
-static int auto_erase = 0;
/* wafer thin wrapper for invoking the flash driver */
static int flash_driver_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
return retval;
}
-
int flash_register_commands(struct command_context_s *cmd_ctx)
{
flash_cmd = register_command(cmd_ctx, NULL, "flash", NULL, COMMAND_ANY, NULL);
register_command(cmd_ctx, flash_cmd, "bank", handle_flash_bank_command, COMMAND_CONFIG, "flash_bank <driver> <base> <size> <chip_width> <bus_width> <target> [driver_options ...]");
- register_command(cmd_ctx, flash_cmd, "auto_erase", handle_flash_auto_erase_command, COMMAND_ANY,
- "auto erase flash sectors <on|off>");
return ERROR_OK;
}
+static int jim_flash_banks(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
+{
+ flash_bank_t *p;
+
+ if (argc != 1) {
+ Jim_WrongNumArgs(interp, 1, argv, "no arguments to flash_banks command");
+ return JIM_ERR;
+ }
+
+ if (!flash_banks)
+ {
+ return JIM_ERR;
+ }
+
+ Jim_Obj *list=Jim_NewListObj(interp, NULL, 0);
+ for (p = flash_banks; p; p = p->next)
+ {
+ Jim_Obj *elem=Jim_NewListObj(interp, NULL, 0);
+
+ Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "name", -1));
+ Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, p->driver->name, -1));
+ Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "base", -1));
+ Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->base));
+ Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "size", -1));
+ Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->size));
+ Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "bus_width", -1));
+ Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->bus_width));
+ Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "chip_width", -1));
+ Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->chip_width));
+
+ Jim_ListAppendElement(interp, list, elem);
+ }
+
+ Jim_SetResult(interp, list);
+
+ return JIM_OK;
+}
+
int flash_init_drivers(struct command_context_s *cmd_ctx)
{
if (flash_banks)
{
- register_command(cmd_ctx, flash_cmd, "banks", handle_flash_banks_command, COMMAND_EXEC,
- "list configured flash banks ");
+ register_jim(cmd_ctx, "ocd_flash_banks", jim_flash_banks, "return information about the flash banks");
+
register_command(cmd_ctx, flash_cmd, "info", handle_flash_info_command, COMMAND_EXEC,
"print info about flash bank <num>");
register_command(cmd_ctx, flash_cmd, "probe", handle_flash_probe_command, COMMAND_EXEC,
register_command(cmd_ctx, flash_cmd, "write_bank", handle_flash_write_bank_command, COMMAND_EXEC,
"write binary data to <bank> <file> <offset>");
register_command(cmd_ctx, flash_cmd, "write_image", handle_flash_write_image_command, COMMAND_EXEC,
- "write_image <file> [offset] [type]");
+ "write_image [erase] <file> [offset] [type]");
register_command(cmd_ctx, flash_cmd, "protect", handle_flash_protect_command, COMMAND_EXEC,
"set protection of sectors at <bank> <first> <last> <on|off>");
}
return NULL;
}
-int flash_get_bank_count()
+int flash_get_bank_count(void)
{
flash_bank_t *p;
int i = 0;
return ERROR_OK;
}
-int handle_flash_banks_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- flash_bank_t *p;
- int i = 0;
-
- if (!flash_banks)
- {
- command_print(cmd_ctx, "no flash banks configured");
- return ERROR_OK;
- }
-
- for (p = flash_banks; p; p = p->next)
- {
- command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, buswidth %i, chipwidth %i",
- i++, p->driver->name, p->base, p->size, p->bus_width, p->chip_width);
- }
-
- return ERROR_OK;
-}
-
int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
flash_bank_t *p;
/* attempt auto probe */
if ((retval = p->driver->auto_probe(p)) != ERROR_OK)
return retval;
-
- if ((retval = p->driver->erase_check(p)) != ERROR_OK)
- return retval;
command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, buswidth %i, chipwidth %i",
i, p->driver->name, p->base, p->size, p->bus_width, p->chip_width);
for (j = 0; j < p->num_sectors; j++)
{
- char *erase_state, *protect_state;
-
- if (p->sectors[j].is_erased == 0)
- erase_state = "not erased";
- else if (p->sectors[j].is_erased == 1)
- erase_state = "erased";
- else
- erase_state = "erase state unknown";
+ char *protect_state;
if (p->sectors[j].is_protected == 0)
protect_state = "not protected";
else
protect_state = "protection state unknown";
- command_print(cmd_ctx, "\t#%i: 0x%8.8x (0x%x %ikB) %s, %s",
+ command_print(cmd_ctx, "\t#%i: 0x%8.8x (0x%x %ikB) %s",
j, p->sectors[j].offset, p->sectors[j].size, p->sectors[j].size>>10,
- erase_state, protect_state);
+ protect_state);
}
*buf = '\0'; /* initialize buffer, otherwise it migh contain garbage if driver function fails */
p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
if (p)
{
+ int j;
if ((retval = p->driver->erase_check(p)) == ERROR_OK)
{
command_print(cmd_ctx, "successfully checked erase state", p->driver->name, p->base);
command_print(cmd_ctx, "unknown error when checking erase state of flash bank #%s at 0x%8.8x",
args[0], p->base);
}
+
+ for (j = 0; j < p->num_sectors; j++)
+ {
+ char *erase_state;
+
+ if (p->sectors[j].is_erased == 0)
+ erase_state = "not erased";
+ else if (p->sectors[j].is_erased == 1)
+ erase_state = "erased";
+ else
+ erase_state = "erase state unknown";
+
+ command_print(cmd_ctx, "\t#%i: 0x%8.8x (0x%x %ikB) %s",
+ j, p->sectors[j].offset, p->sectors[j].size, p->sectors[j].size>>10,
+ erase_state);
+ }
+
}
return ERROR_OK;
p = get_flash_bank_by_addr(target, address);
if (p == NULL)
{
- return ERROR_COMMAND_SYNTAX_ERROR;
+ return ERROR_FAIL;
}
/* We can't know if we did a resume + halt, in which case we no longer know the erased state */
if (argc < 1)
{
return ERROR_COMMAND_SYNTAX_ERROR;
-
}
+
+ /* flash auto-erase is disabled by default*/
+ int auto_erase = 0;
+
+ if (strcmp(args[0], "erase")==0)
+ {
+ auto_erase = 1;
+ args++;
+ argc--;
+ command_print(cmd_ctx, "auto erase enabled");
+ }
+
+ if (argc < 1)
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
if (!target)
{
LOG_ERROR("no target selected");
- return ERROR_OK;
+ return ERROR_FAIL;
}
duration_start_measure(&duration);
}
retval = flash_write(target, &image, &written, auto_erase);
-
if (retval != ERROR_OK)
{
image_close(&image);
duration_stop_measure(&duration, &duration_text);
if (retval == ERROR_OK)
{
- command_print(cmd_ctx, "wrote %u byte from file %s in %s (%f kb/s)",
- written, args[0], duration_text,
- (float)written / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
+ command_print(cmd_ctx, "wrote %u byte from file %s in %s (%f kb/s)",
+ written, args[0], duration_text,
+ (float)written / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
}
free(duration_text);
buffer = malloc(fileio.size);
if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)
{
+ free(buffer);
+ fileio_close(&fileio);
return ERROR_OK;
}
retval = flash_driver_write(p, buffer, offset, buf_cnt);
free(buffer);
+ buffer = NULL;
duration_stop_measure(&duration, &duration_text);
if (retval!=ERROR_OK)
return ERROR_FLASH_DST_OUT_OF_BANK; /* no corresponding bank found */
if (c->size == 0 || c->num_sectors == 0)
+ {
+ LOG_ERROR("Bank is invalid");
return ERROR_FLASH_BANK_INVALID;
+ }
if (length == 0)
{
/* write (optional verify) an image to flash memory of the given target */
int flash_write(target_t *target, image_t *image, u32 *written, int erase)
{
- int retval;
+ int retval=ERROR_OK;
int section;
u32 section_offset;
flash_bank_t *c;
-
+ int *padding;
+
section = 0;
section_offset = 0;
flash_set_dirty();
}
-
+
+ /* allocate padding array */
+ padding = malloc(image->num_sections * sizeof(padding));
+
/* loop until we reach end of the image */
while (section < image->num_sections)
{
int section_last;
u32 run_address = image->sections[section].base_address + section_offset;
u32 run_size = image->sections[section].size - section_offset;
-
+ int pad_bytes = 0;
+
if (image->sections[section].size == 0)
{
LOG_WARNING("empty section %d", section);
/* collect consecutive sections which fall into the same bank */
section_first = section;
section_last = section;
+ padding[section] = 0;
while ((run_address + run_size < c->base + c->size)
&& (section_last + 1 < image->num_sections))
{
LOG_DEBUG("section %d out of order(very slightly surprising, but supported)", section_last + 1);
break;
}
- if (image->sections[section_last + 1].base_address != (run_address + run_size))
+ /* if we have multiple sections within our image, flash programming could fail due to alignment issues
+ * attempt to rebuild a consecutive buffer for the flash loader */
+ pad_bytes = (image->sections[section_last + 1].base_address) - (run_address + run_size);
+ if ((run_address + run_size + pad_bytes) > (c->base + c->size))
break;
+ padding[section_last] = pad_bytes;
run_size += image->sections[++section_last].size;
+ run_size += pad_bytes;
+ padding[section_last] = 0;
+
+ LOG_INFO("Padding image section %d with %d bytes", section_last-1, pad_bytes );
}
/* fit the run into bank constraints */
size_read, buffer + buffer_size, &size_read)) != ERROR_OK || size_read == 0)
{
free(buffer);
-
+ free(padding);
return retval;
}
-
+
+ /* see if we need to pad the section */
+ while (padding[section]--)
+ buffer[size_read++] = 0xff;
+
buffer_size += size_read;
section_offset += size_read;
if (retval != ERROR_OK)
{
- return retval; /* abort operation */
- }
+ free(padding);
+ return retval; /* abort operation */
+ }
if (written != NULL)
*written += run_size; /* add run size to total written counter */
}
-
- return ERROR_OK;
-}
-
-int handle_flash_auto_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- if (argc != 1)
- {
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
-
- if (strcmp(args[0], "on") == 0)
- auto_erase = 1;
- else if (strcmp(args[0], "off") == 0)
- auto_erase = 0;
- else
- return ERROR_COMMAND_SYNTAX_ERROR;
-
- return ERROR_OK;
+
+ free(padding);
+
+ return retval;
}
-
-int default_flash_blank_check(struct flash_bank_s *bank)
+int default_flash_mem_blank_check(struct flash_bank_s *bank)
{
target_t *target = bank->target;
u8 buffer[1024];
- int buffer_size=sizeof(buffer);
+ int buffer_size = sizeof(buffer);
int i;
int nBytes;
return ERROR_TARGET_NOT_HALTED;
}
-
for (i = 0; i < bank->num_sectors; i++)
{
int j;
bank->sectors[i].is_erased = 1;
- for (j=0; j<bank->sectors[i].size; j+=buffer_size)
+ for (j = 0; j < bank->sectors[i].size; j += buffer_size)
{
int chunk;
int retval;
- chunk=buffer_size;
- if (chunk>(j-bank->sectors[i].size))
+ chunk = buffer_size;
+ if (chunk > (j - bank->sectors[i].size))
{
- chunk=(j-bank->sectors[i].size);
+ chunk = (j - bank->sectors[i].size);
}
- retval=target->type->read_memory(target, bank->base + bank->sectors[i].offset, 4, chunk/4, buffer);
- if (retval!=ERROR_OK)
+ retval = target->type->read_memory(target, bank->base + bank->sectors[i].offset + j, 4, chunk/4, buffer);
+ if (retval != ERROR_OK)
return retval;
for (nBytes = 0; nBytes < chunk; nBytes++)
return ERROR_OK;
}
+
+int default_flash_blank_check(struct flash_bank_s *bank)
+{
+ target_t *target = bank->target;
+ int i;
+ int retval;
+ int fast_check = 0;
+ int blank;
+
+ if (bank->target->state != TARGET_HALTED)
+ {
+ return ERROR_TARGET_NOT_HALTED;
+ }
+
+ for (i = 0; i < bank->num_sectors; i++)
+ {
+ u32 address = bank->base + bank->sectors[i].offset;
+ u32 size = bank->sectors[i].size;
+
+ if ((retval = target_blank_check_memory(target, address, size, &blank)) != ERROR_OK)
+ {
+ fast_check = 0;
+ break;
+ }
+ if (blank == 0xFF)
+ bank->sectors[i].is_erased = 1;
+ else
+ bank->sectors[i].is_erased = 0;
+ fast_check = 1;
+ }
+
+ if (!fast_check)
+ {
+ LOG_USER("Running slow fallback erase check - add working memory");
+ return default_flash_mem_blank_check(bank);
+ }
+
+ return ERROR_OK;
+}
projects / fw / openocd / blobdiff