#include "flash.h"
#include "common.h"
#include "image.h"
-#include "time_support.h"
+#include <helper/time_support.h>
static int flash_write_unlock(struct target *target, struct image *image, uint32_t *written, int erase, bool unlock);
};
struct flash_bank *flash_banks;
-static struct command *flash_cmd;
/* wafer thin wrapper for invoking the flash driver */
static int flash_driver_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
if (strcmp(driver_name, flash_drivers[i]->name) != 0)
continue;
- struct flash_bank *p, *c;
-
/* register flash specific commands */
- if (flash_drivers[i]->register_commands(CMD_CTX) != ERROR_OK)
+ if (NULL != flash_drivers[i]->commands)
{
- LOG_ERROR("couldn't register '%s' commands", driver_name);
- return ERROR_FAIL;
+ int retval = register_commands(CMD_CTX, NULL,
+ flash_drivers[i]->commands);
+ if (ERROR_OK != retval)
+ {
+ LOG_ERROR("couldn't register '%s' commands",
+ driver_name);
+ return ERROR_FAIL;
+ }
}
+ struct flash_bank *p, *c;
c = malloc(sizeof(struct flash_bank));
c->name = strdup(bank_name);
c->target = target;
COMMAND_HANDLER(handle_flash_erase_command)
{
- if (CMD_ARGC != 2)
+ if (CMD_ARGC != 3)
return ERROR_COMMAND_SYNTAX_ERROR;
uint32_t bank_nr;
COMMAND_HANDLER(handle_flash_protect_command)
{
- if (CMD_ARGC != 3)
+ if (CMD_ARGC != 4)
return ERROR_COMMAND_SYNTAX_ERROR;
uint32_t bank_nr;
uint32_t address;
uint32_t pattern;
uint32_t count;
- uint8_t chunk[1024];
- uint8_t readback[1024];
uint32_t wrote = 0;
uint32_t cur_size = 0;
uint32_t chunk_count;
struct target *target = get_current_target(CMD_CTX);
uint32_t i;
uint32_t wordsize;
+ int retval = ERROR_OK;
+
+ static size_t const chunksize = 1024;
+ uint8_t *chunk = malloc(chunksize);
+ if (chunk == NULL)
+ return ERROR_FAIL;
+
+ uint8_t *readback = malloc(chunksize);
+ if (readback == NULL)
+ {
+ free(chunk);
+ return ERROR_FAIL;
+ }
+
if (CMD_ARGC != 3)
- return ERROR_COMMAND_SYNTAX_ERROR;
+ {
+ retval = ERROR_COMMAND_SYNTAX_ERROR;
+ goto done;
+ }
+
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address);
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], pattern);
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], count);
if (count == 0)
- return ERROR_OK;
+ goto done;
switch (CMD_NAME[4])
{
wordsize = 1;
break;
default:
- return ERROR_COMMAND_SYNTAX_ERROR;
+ retval = ERROR_COMMAND_SYNTAX_ERROR;
+ goto done;
}
- chunk_count = MIN(count, (1024 / wordsize));
+ chunk_count = MIN(count, (chunksize / wordsize));
switch (wordsize)
{
case 4:
bank = get_flash_bank_by_addr(target, address);
if (bank == NULL)
{
- return ERROR_FAIL;
+ retval = ERROR_FAIL;
+ goto done;
}
err = flash_driver_write(bank, chunk, address - bank->base + wrote, cur_size);
if (err != ERROR_OK)
- return err;
+ {
+ retval = err;
+ goto done;
+ }
err = target_read_buffer(target, address + wrote, cur_size, readback);
if (err != ERROR_OK)
- return err;
+ {
+ retval = err;
+ goto done;
+ }
unsigned i;
for (i = 0; i < cur_size; i++)
{
LOG_ERROR("Verfication error address 0x%08" PRIx32 ", read back 0x%02x, expected 0x%02x",
address + wrote + i, readback[i], chunk[i]);
- return ERROR_FAIL;
+ retval = ERROR_FAIL;
+ goto done;
}
}
}
" in %fs (%0.3f kb/s)", wrote, address,
duration_elapsed(&bench), duration_kbps(&bench, wrote));
}
- return ERROR_OK;
+
+ done:
+ free(readback);
+ free(chunk);
+
+ return retval;
}
COMMAND_HANDLER(handle_flash_write_bank_command)
int default_flash_mem_blank_check(struct flash_bank *bank)
{
struct target *target = bank->target;
- uint8_t buffer[1024];
- int buffer_size = sizeof(buffer);
+ const int buffer_size = 1024;
int i;
uint32_t nBytes;
+ int retval = ERROR_OK;
if (bank->target->state != TARGET_HALTED)
{
return ERROR_TARGET_NOT_HALTED;
}
+ uint8_t *buffer = malloc(buffer_size);
+
for (i = 0; i < bank->num_sectors; i++)
{
uint32_t j;
for (j = 0; j < bank->sectors[i].size; j += buffer_size)
{
uint32_t chunk;
- int retval;
chunk = buffer_size;
if (chunk > (j - bank->sectors[i].size))
{
retval = target_read_memory(target, bank->base + bank->sectors[i].offset + j, 4, chunk/4, buffer);
if (retval != ERROR_OK)
- return retval;
+ {
+ goto done;
+ }
for (nBytes = 0; nBytes < chunk; nBytes++)
{
}
}
- return ERROR_OK;
+ done:
+ free(buffer);
+
+ return retval;
}
int default_flash_blank_check(struct flash_bank *bank)
return ERROR_OK;
}
+static const struct command_registration flash_exec_command_handlers[] = {
+ {
+ .name = "probe",
+ .handler = &handle_flash_probe_command,
+ .mode = COMMAND_EXEC,
+ .usage = "<bank>",
+ .help = "identify flash bank",
+ },
+ {
+ .name = "info",
+ .handler = &handle_flash_info_command,
+ .mode = COMMAND_EXEC,
+ .usage = "<bank>",
+ .help = "print bank information",
+ },
+ {
+ .name = "erase_check",
+ .handler = &handle_flash_erase_check_command,
+ .mode = COMMAND_EXEC,
+ .usage = "<bank>",
+ .help = "check erase state of sectors",
+ },
+ {
+ .name = "protect_check",
+ .handler = &handle_flash_protect_check_command,
+ .mode = COMMAND_EXEC,
+ .usage = "<bank>",
+ .help = "check protection state of sectors",
+ },
+ {
+ .name = "erase_sector",
+ .handler = &handle_flash_erase_command,
+ .mode = COMMAND_EXEC,
+ .usage = "<bank> <first> <last>",
+ .help = "erase sectors",
+ },
+ {
+ .name = "erase_address",
+ .handler = &handle_flash_erase_address_command,
+ .mode = COMMAND_EXEC,
+ .usage = "<address> <length>",
+ .help = "erase address range",
+
+ },
+ {
+ .name = "fillw",
+ .handler = &handle_flash_fill_command,
+ .mode = COMMAND_EXEC,
+ .usage = "<bank> <address> <word_pattern> <count>",
+ .help = "fill with pattern (no autoerase)",
+ },
+ {
+ .name = "fillh",
+ .handler = &handle_flash_fill_command,
+ .mode = COMMAND_EXEC,
+ .usage = "<bank> <address> <halfword_pattern> <count>",
+ .help = "fill with pattern",
+ },
+ {
+ .name = "fillb",
+ .handler = &handle_flash_fill_command,
+ .mode = COMMAND_EXEC,
+ .usage = "<bank> <address> <byte_pattern> <count>",
+ .help = "fill with pattern",
+
+ },
+ {
+ .name = "write_bank",
+ .handler = &handle_flash_write_bank_command,
+ .mode = COMMAND_EXEC,
+ .usage = "<bank> <file> <offset>",
+ .help = "write binary data",
+ },
+ {
+ .name = "write_image",
+ .handler = &handle_flash_write_image_command,
+ .mode = COMMAND_EXEC,
+ .usage = "<bank> [erase] [unlock] <file> [offset] [type]",
+ .help = "write an image to flash"
+ },
+ {
+ .name = "protect",
+ .handler = &handle_flash_protect_command,
+ .mode = COMMAND_EXEC,
+ .usage = "<bank> <first> <last> <on | off>",
+ .help = "set protection of sectors",
+ },
+ COMMAND_REGISTRATION_DONE
+};
+
int flash_init_drivers(struct command_context *cmd_ctx)
{
- register_jim(cmd_ctx, "ocd_flash_banks",
- jim_flash_banks, "return information about the flash banks");
-
if (!flash_banks)
return ERROR_OK;
- 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,
- "identify flash bank <num>");
- register_command(cmd_ctx, flash_cmd, "erase_check",
- handle_flash_erase_check_command, COMMAND_EXEC,
- "check erase state of sectors in flash bank <num>");
- register_command(cmd_ctx, flash_cmd, "protect_check",
- handle_flash_protect_check_command, COMMAND_EXEC,
- "check protection state of sectors in flash bank <num>");
- register_command(cmd_ctx, flash_cmd, "erase_sector",
- handle_flash_erase_command, COMMAND_EXEC,
- "erase sectors at <bank> <first> <last>");
- register_command(cmd_ctx, flash_cmd, "erase_address",
- handle_flash_erase_address_command, COMMAND_EXEC,
- "erase address range <address> <length>");
-
- register_command(cmd_ctx, flash_cmd, "fillw",
- handle_flash_fill_command, COMMAND_EXEC,
- "fill with pattern (no autoerase) <address> <word_pattern> <count>");
- register_command(cmd_ctx, flash_cmd, "fillh",
- handle_flash_fill_command, COMMAND_EXEC,
- "fill with pattern <address> <halfword_pattern> <count>");
- register_command(cmd_ctx, flash_cmd, "fillb",
- handle_flash_fill_command, COMMAND_EXEC,
- "fill with pattern <address> <byte_pattern> <count>");
-
- 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 [erase] [unlock] <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>");
+ struct command *parent = command_find_in_context(cmd_ctx, "flash");
+ return register_commands(cmd_ctx, parent, flash_exec_command_handlers);
+}
- return ERROR_OK;
+COMMAND_HANDLER(handle_flash_init_command)
+{
+ if (CMD_ARGC != 0)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ static bool flash_initialized = false;
+ if (flash_initialized)
+ {
+ LOG_INFO("'flash init' has already been called");
+ return ERROR_OK;
+ }
+ flash_initialized = true;
+
+ LOG_DEBUG("Initializing flash devices...");
+ return flash_init_drivers(CMD_CTX);
}
+static const struct command_registration flash_config_command_handlers[] = {
+ {
+ .name = "bank",
+ .handler = &handle_flash_bank_command,
+ .mode = COMMAND_CONFIG,
+ .usage = "<name> <driver> <base> <size> "
+ "<chip_width> <bus_width> <target> "
+ "[driver_options ...]",
+ .help = "Define a new bank with the given name, "
+ "using the specified NOR flash driver.",
+ },
+ {
+ .name = "init",
+ .mode = COMMAND_CONFIG,
+ .handler = &handle_flash_init_command,
+ .help = "initialize flash devices",
+ },
+ {
+ .name = "banks",
+ .mode = COMMAND_ANY,
+ .jim_handler = &jim_flash_banks,
+ .help = "return information about the flash banks",
+ },
+ COMMAND_REGISTRATION_DONE
+};
+static const struct command_registration flash_command_handlers[] = {
+ {
+ .name = "flash",
+ .mode = COMMAND_ANY,
+ .help = "NOR flash command group",
+ .chain = flash_config_command_handlers,
+ },
+ COMMAND_REGISTRATION_DONE
+};
+
int flash_register_commands(struct command_context *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 ...]");
- return ERROR_OK;
+ return register_commands(cmd_ctx, NULL, flash_command_handlers);
}
projects / fw / openocd / blobdiff