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riscv-openocd/src/flash/nor/tcl.c

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/***************************************************************************
* Copyright (C) 2005 by Dominic Rath <Dominic.Rath@gmx.de> *
* Copyright (C) 2007,2008 Øyvind Harboe <oyvind.harboe@zylin.com> *
* Copyright (C) 2008 by Spencer Oliver <spen@spen-soft.co.uk> *
* Copyright (C) 2009 Zachary T Welch <zw@superlucidity.net> *
* *
* 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
#include "imp.h"
#include <helper/time_support.h>
#include <target/image.h>
/**
* @file
* Implements Tcl commands used to access NOR flash facilities.
*/
COMMAND_HELPER(flash_command_get_bank, unsigned name_index,
struct flash_bank **bank)
{
const char *name = CMD_ARGV[name_index];
int retval = get_flash_bank_by_name(name, bank);
if (retval != ERROR_OK)
return retval;
if (*bank)
return ERROR_OK;
unsigned bank_num;
COMMAND_PARSE_NUMBER(uint, name, bank_num);
return get_flash_bank_by_num(bank_num, bank);
}
COMMAND_HANDLER(handle_flash_info_command)
{
struct flash_bank *p;
int j = 0;
int retval;
if (CMD_ARGC != 1)
return ERROR_COMMAND_SYNTAX_ERROR;
retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
if (retval != ERROR_OK)
return retval;
if (p != NULL)
{
char buf[1024];
/* attempt auto probe */
if ((retval = p->driver->auto_probe(p)) != ERROR_OK)
return retval;
/* We must query the hardware to avoid printing stale information! */
retval = p->driver->protect_check(p);
if (retval != ERROR_OK)
return retval;
command_print(CMD_CTX,
"#%" PRIu32 " : %s at 0x%8.8" PRIx32 ", size 0x%8.8" PRIx32 ", buswidth %i, chipwidth %i",
p->bank_number,
p->driver->name,
p->base,
p->size,
p->bus_width,
p->chip_width);
for (j = 0; j < p->num_sectors; j++)
{
char *protect_state;
if (p->sectors[j].is_protected == 0)
protect_state = "not protected";
else if (p->sectors[j].is_protected == 1)
protect_state = "protected";
else
protect_state = "protection state unknown";
command_print(CMD_CTX,
"\t#%3i: 0x%8.8" PRIx32 " (0x%" PRIx32 " %" PRIi32 "kB) %s",
j,
p->sectors[j].offset,
p->sectors[j].size,
p->sectors[j].size >> 10,
protect_state);
}
*buf = '\0'; /* initialize buffer, otherwise it migh contain garbage if driver function fails */
retval = p->driver->info(p, buf, sizeof(buf));
command_print(CMD_CTX, "%s", buf);
if (retval != ERROR_OK)
LOG_ERROR("error retrieving flash info");
}
return retval;
}
COMMAND_HANDLER(handle_flash_probe_command)
{
struct flash_bank *p;
int retval;
if (CMD_ARGC != 1)
{
return ERROR_COMMAND_SYNTAX_ERROR;
}
retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
if (retval != ERROR_OK)
return retval;
if (p)
{
if ((retval = p->driver->probe(p)) == ERROR_OK)
{
command_print(CMD_CTX, "flash '%s' found at 0x%8.8" PRIx32, p->driver->name, p->base);
}
}
else
{
command_print(CMD_CTX, "flash bank '#%s' is out of bounds", CMD_ARGV[0]);
retval = ERROR_FAIL;
}
return retval;
}
COMMAND_HANDLER(handle_flash_erase_check_command)
{
if (CMD_ARGC != 1)
{
return ERROR_COMMAND_SYNTAX_ERROR;
}
struct flash_bank *p;
int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
if (ERROR_OK != retval)
return retval;
int j;
if ((retval = p->driver->erase_check(p)) == ERROR_OK)
{
command_print(CMD_CTX, "successfully checked erase state");
}
else
{
command_print(CMD_CTX, "unknown error when checking erase state of flash bank #%s at 0x%8.8" PRIx32,
CMD_ARGV[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#%3i: 0x%8.8" PRIx32 " (0x%" PRIx32 " %" PRIi32 "kB) %s",
j,
p->sectors[j].offset,
p->sectors[j].size,
p->sectors[j].size >> 10,
erase_state);
}
return retval;
}
COMMAND_HANDLER(handle_flash_erase_address_command)
{
struct flash_bank *p;
int retval = ERROR_OK;
uint32_t address;
uint32_t length;
bool do_pad = false;
bool do_unlock = false;
struct target *target = get_current_target(CMD_CTX);
while (CMD_ARGC >= 3)
{
/* Optionally pad out the address range to block/sector
* boundaries. We can't know if there's data in that part
* of the flash; only do padding if we're told to.
*/
if (strcmp("pad", CMD_ARGV[0]) == 0)
{
do_pad = true;
} else if (strcmp("unlock", CMD_ARGV[0]) == 0)
{
do_unlock = true;
} else
{
return ERROR_COMMAND_SYNTAX_ERROR;
}
CMD_ARGC--;
CMD_ARGV++;
}
if (CMD_ARGC != 2)
{
return ERROR_COMMAND_SYNTAX_ERROR;
}
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address);
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], length);
if (length <= 0)
{
command_print(CMD_CTX, "Length must be >0");
return ERROR_COMMAND_SYNTAX_ERROR;
}
retval = get_flash_bank_by_addr(target, address, true, &p);
if (retval != ERROR_OK)
return retval;
/* We can't know if we did a resume + halt, in which case we no longer know the erased state */
flash_set_dirty();
struct duration bench;
duration_start(&bench);
if (do_unlock)
{
retval = flash_unlock_address_range(target, address, length);
}
if (retval == ERROR_OK)
{
retval = flash_erase_address_range(target, do_pad, address, length);
}
if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
{
command_print(CMD_CTX, "erased address 0x%8.8x (length %i)"
" in %fs (%0.3f KiB/s)", address, length,
duration_elapsed(&bench), duration_kbps(&bench, length));
}
return retval;
}
static int flash_check_sector_parameters(struct command_context *cmd_ctx,
uint32_t first, uint32_t last, uint32_t num_sectors)
{
if (!(first <= last)) {
command_print(cmd_ctx, "ERROR: "
"first sector must be <= last sector");
return ERROR_FAIL;
}
if (!(last <= (num_sectors - 1))) {
command_print(cmd_ctx, "ERROR: last sector must be <= %d",
(int) num_sectors - 1);
return ERROR_FAIL;
}
return ERROR_OK;
}
COMMAND_HANDLER(handle_flash_erase_command)
{
if (CMD_ARGC != 3)
return ERROR_COMMAND_SYNTAX_ERROR;
uint32_t first;
uint32_t last;
struct flash_bank *p;
int retval;
retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
if (retval != ERROR_OK)
return retval;
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], first);
if (strcmp(CMD_ARGV[2], "last") == 0)
last = p->num_sectors - 1;
else
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], last);
if ((retval = flash_check_sector_parameters(CMD_CTX,
first, last, p->num_sectors)) != ERROR_OK)
return retval;
struct duration bench;
duration_start(&bench);
retval = flash_driver_erase(p, first, last);
if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
{
command_print(CMD_CTX, "erased sectors %" PRIu32 " "
"through %" PRIu32" on flash bank %" PRIu32 " "
"in %fs", first, last, p->bank_number, duration_elapsed(&bench));
}
return ERROR_OK;
}
COMMAND_HANDLER(handle_flash_protect_command)
{
if (CMD_ARGC != 4)
return ERROR_COMMAND_SYNTAX_ERROR;
uint32_t first;
uint32_t last;
struct flash_bank *p;
int retval;
retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
if (retval != ERROR_OK)
return retval;
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], first);
if (strcmp(CMD_ARGV[2], "last") == 0)
last = p->num_sectors - 1;
else
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], last);
bool set;
COMMAND_PARSE_ON_OFF(CMD_ARGV[3], set);
if ((retval = flash_check_sector_parameters(CMD_CTX,
first, last, p->num_sectors)) != ERROR_OK)
return retval;
retval = flash_driver_protect(p, set, first, last);
if (retval == ERROR_OK) {
command_print(CMD_CTX, "%s protection for sectors %i "
"through %i on flash bank %" PRIu32 "",
(set) ? "set" : "cleared", (int) first,
(int) last, p->bank_number);
}
return retval;
}
COMMAND_HANDLER(handle_flash_write_image_command)
{
struct target *target = get_current_target(CMD_CTX);
struct image image;
uint32_t written;
int retval;
if (CMD_ARGC < 1)
{
return ERROR_COMMAND_SYNTAX_ERROR;
}
/* flash auto-erase is disabled by default*/
int auto_erase = 0;
bool auto_unlock = false;
for (;;)
{
if (strcmp(CMD_ARGV[0], "erase") == 0)
{
auto_erase = 1;
CMD_ARGV++;
CMD_ARGC--;
command_print(CMD_CTX, "auto erase enabled");
} else if (strcmp(CMD_ARGV[0], "unlock") == 0)
{
auto_unlock = true;
CMD_ARGV++;
CMD_ARGC--;
command_print(CMD_CTX, "auto unlock enabled");
} else
{
break;
}
}
if (CMD_ARGC < 1)
{
return ERROR_COMMAND_SYNTAX_ERROR;
}
if (!target)
{
LOG_ERROR("no target selected");
return ERROR_FAIL;
}
struct duration bench;
duration_start(&bench);
if (CMD_ARGC >= 2)
{
image.base_address_set = 1;
COMMAND_PARSE_NUMBER(llong, CMD_ARGV[1], image.base_address);
}
else
{
image.base_address_set = 0;
image.base_address = 0x0;
}
image.start_address_set = 0;
retval = image_open(&image, CMD_ARGV[0], (CMD_ARGC == 3) ? CMD_ARGV[2] : NULL);
if (retval != ERROR_OK)
{
return retval;
}
retval = flash_write_unlock(target, &image, &written, auto_erase, auto_unlock);
if (retval != ERROR_OK)
{
image_close(&image);
return retval;
}
if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
{
command_print(CMD_CTX, "wrote %" PRIu32 " bytes from file %s "
"in %fs (%0.3f KiB/s)", written, CMD_ARGV[0],
duration_elapsed(&bench), duration_kbps(&bench, written));
}
image_close(&image);
return retval;
}
COMMAND_HANDLER(handle_flash_fill_command)
{
int err = ERROR_OK;
uint32_t address;
uint32_t pattern;
uint32_t count;
uint32_t wrote = 0;
uint32_t cur_size = 0;
uint32_t chunk_count;
struct target *target = get_current_target(CMD_CTX);
unsigned 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)
{
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)
goto done;
switch (CMD_NAME[4])
{
case 'w':
wordsize = 4;
break;
case 'h':
wordsize = 2;
break;
case 'b':
wordsize = 1;
break;
default:
retval = ERROR_COMMAND_SYNTAX_ERROR;
goto done;
}
chunk_count = MIN(count, (chunksize / wordsize));
switch (wordsize)
{
case 4:
for (i = 0; i < chunk_count; i++)
{
target_buffer_set_u32(target, chunk + i * wordsize, pattern);
}
break;
case 2:
for (i = 0; i < chunk_count; i++)
{
target_buffer_set_u16(target, chunk + i * wordsize, pattern);
}
break;
case 1:
memset(chunk, pattern, chunk_count);
break;
default:
LOG_ERROR("BUG: can't happen");
exit(-1);
}
struct duration bench;
duration_start(&bench);
for (wrote = 0; wrote < (count*wordsize); wrote += cur_size)
{
struct flash_bank *bank;
retval = get_flash_bank_by_addr(target, address, true, &bank );
if (retval != ERROR_OK)
goto done;
cur_size = MIN((count * wordsize - wrote), chunksize);
err = flash_driver_write(bank, chunk, address - bank->base + wrote, cur_size);
if (err != ERROR_OK)
{
retval = err;
goto done;
}
err = flash_driver_read(bank, readback, address - bank->base + wrote, cur_size);
if (err != ERROR_OK)
{
retval = err;
goto done;
}
for (i = 0; i < cur_size; i++)
{
if (readback[i]!=chunk[i])
{
LOG_ERROR("Verification error address 0x%08" PRIx32 ", read back 0x%02x, expected 0x%02x",
address + wrote + i, readback[i], chunk[i]);
retval = ERROR_FAIL;
goto done;
}
}
}
if ((retval == ERROR_OK) && (duration_measure(&bench) == ERROR_OK))
{
command_print(CMD_CTX, "wrote %" PRIu32 " bytes to 0x%8.8" PRIx32
" in %fs (%0.3f KiB/s)", wrote, address,
duration_elapsed(&bench), duration_kbps(&bench, wrote));
}
done:
free(readback);
free(chunk);
return retval;
}
COMMAND_HANDLER(handle_flash_write_bank_command)
{
uint32_t offset;
uint8_t *buffer;
struct fileio fileio;
if (CMD_ARGC != 3)
return ERROR_COMMAND_SYNTAX_ERROR;
struct duration bench;
duration_start(&bench);
struct flash_bank *p;
int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
if (ERROR_OK != retval)
return retval;
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], offset);
if (fileio_open(&fileio, CMD_ARGV[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
{
return ERROR_OK;
}
int filesize;
retval = fileio_size(&fileio, &filesize);
if (retval != ERROR_OK)
{
fileio_close(&fileio);
return retval;
}
buffer = malloc(filesize);
if (buffer == NULL)
{
fileio_close(&fileio);
LOG_ERROR("Out of memory");
return ERROR_FAIL;
}
size_t buf_cnt;
if (fileio_read(&fileio, filesize, 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;
if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
{
command_print(CMD_CTX, "wrote %ld bytes from file %s to flash bank %u"
" at offset 0x%8.8" PRIx32 " in %fs (%0.3f KiB/s)",
(long)filesize, CMD_ARGV[1], p->bank_number, offset,
duration_elapsed(&bench), duration_kbps(&bench, filesize));
}
fileio_close(&fileio);
return retval;
}
void flash_set_dirty(void)
{
struct flash_bank *c;
int i;
/* set all flash to require erasing */
for (c = flash_bank_list(); c; c = c->next)
{
for (i = 0; i < c->num_sectors; i++)
{
c->sectors[i].is_erased = 0;
}
}
}
static const struct command_registration flash_exec_command_handlers[] = {
{
.name = "probe",
.handler = handle_flash_probe_command,
.mode = COMMAND_EXEC,
.usage = "bank_id",
.help = "Identify a flash bank.",
},
{
.name = "info",
.handler = handle_flash_info_command,
.mode = COMMAND_EXEC,
.usage = "bank_id",
.help = "Print information about a flash bank.",
},
{
.name = "erase_check",
.handler = handle_flash_erase_check_command,
.mode = COMMAND_EXEC,
.usage = "bank_id",
.help = "Check erase state of all blocks in a "
"flash bank.",
},
{
.name = "erase_sector",
.handler = handle_flash_erase_command,
.mode = COMMAND_EXEC,
.usage = "bank_id first_sector_num last_sector_num",
.help = "Erase a range of sectors in a flash bank.",
},
{
.name = "erase_address",
.handler = handle_flash_erase_address_command,
.mode = COMMAND_EXEC,
.usage = "['pad'] ['unlock'] address length",
.help = "Erase flash sectors starting at address and "
"continuing for length bytes. If 'pad' is specified, "
"data outside that range may also be erased: the start "
"address may be decreased, and length increased, so "
"that all of the first and last sectors are erased. "
"If 'unlock' is specified, then the flash is unprotected "
"before erasing.",
},
{
.name = "fillw",
.handler = handle_flash_fill_command,
.mode = COMMAND_EXEC,
.usage = "address value n",
.help = "Fill n words with 32-bit value, starting at "
"word address. (No autoerase.)",
},
{
.name = "fillh",
.handler = handle_flash_fill_command,
.mode = COMMAND_EXEC,
.usage = "address value n",
.help = "Fill n halfwords with 16-bit value, starting at "
"word address. (No autoerase.)",
},
{
.name = "fillb",
.handler = handle_flash_fill_command,
.mode = COMMAND_EXEC,
.usage = "address value n",
.help = "Fill n bytes with 8-bit value, starting at "
"word address. (No autoerase.)",
},
{
.name = "write_bank",
.handler = handle_flash_write_bank_command,
.mode = COMMAND_EXEC,
.usage = "bank_id filename offset",
.help = "Write binary data from file to flash bank, "
"starting at specified byte offset from the "
"beginning of the bank.",
},
{
.name = "write_image",
.handler = handle_flash_write_image_command,
.mode = COMMAND_EXEC,
.usage = "[erase] [unlock] filename [offset [file_type]]",
.help = "Write an image to flash. Optionally first unprotect "
"and/or erase the region to be used. Allow optional "
"offset from beginning of bank (defaults to zero)",
},
{
.name = "protect",
.handler = handle_flash_protect_command,
.mode = COMMAND_EXEC,
.usage = "bank_id first_sector [last_sector|'last'] "
"('on'|'off')",
.help = "Turn protection on or off for a range of sectors "
"in a given flash bank.",
},
COMMAND_REGISTRATION_DONE
};
static int flash_init_drivers(struct command_context *cmd_ctx)
{
if (!flash_bank_list())
return ERROR_OK;
struct command *parent = command_find_in_context(cmd_ctx, "flash");
return register_commands(cmd_ctx, parent, flash_exec_command_handlers);
}
COMMAND_HANDLER(handle_flash_bank_command)
{
if (CMD_ARGC < 7)
{
LOG_ERROR("usage: flash bank <name> <driver> "
"<base> <size> <chip_width> <bus_width> <target>");
return ERROR_COMMAND_SYNTAX_ERROR;
}
// save bank name and advance arguments for compatibility
const char *bank_name = *CMD_ARGV++;
CMD_ARGC--;
struct target *target;
if ((target = get_target(CMD_ARGV[5])) == NULL)
{
LOG_ERROR("target '%s' not defined", CMD_ARGV[5]);
return ERROR_FAIL;
}
const char *driver_name = CMD_ARGV[0];
struct flash_driver *driver = flash_driver_find_by_name(driver_name);
if (NULL == driver)
{
/* no matching flash driver found */
LOG_ERROR("flash driver '%s' not found", driver_name);
return ERROR_FAIL;
}
/* check the flash bank name is unique */
if (get_flash_bank_by_name_noprobe(bank_name) != NULL)
{
/* flash bank name already exists */
LOG_ERROR("flash bank name '%s' already exists", bank_name);
return ERROR_FAIL;
}
/* register flash specific commands */
if (NULL != driver->commands)
{
int retval = register_commands(CMD_CTX, NULL,
driver->commands);
if (ERROR_OK != retval)
{
LOG_ERROR("couldn't register '%s' commands",
driver_name);
return ERROR_FAIL;
}
}
struct flash_bank *c = malloc(sizeof(*c));
c->name = strdup(bank_name);
c->target = target;
c->driver = driver;
c->driver_priv = NULL;
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], c->base);
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], c->size);
COMMAND_PARSE_NUMBER(int, CMD_ARGV[3], c->chip_width);
COMMAND_PARSE_NUMBER(int, CMD_ARGV[4], c->bus_width);
c->num_sectors = 0;
c->sectors = NULL;
c->next = NULL;
int retval;
retval = CALL_COMMAND_HANDLER(driver->flash_bank_command, c);
if (ERROR_OK != retval)
{
LOG_ERROR("'%s' driver rejected flash bank at 0x%8.8" PRIx32,
driver_name, c->base);
free(c);
return retval;
}
flash_bank_add(c);
return ERROR_OK;
}
COMMAND_HANDLER(handle_flash_banks_command)
{
if (CMD_ARGC != 0)
return ERROR_INVALID_ARGUMENTS;
unsigned n = 0;
for (struct flash_bank *p = flash_bank_list(); p; p = p->next, n++)
{
LOG_USER("#%" PRIu32 " : %s (%s) at 0x%8.8" PRIx32 ", size 0x%8.8" PRIx32 ", "
"buswidth %u, chipwidth %u", p->bank_number,
p->name, p->driver->name, p->base, p->size,
p->bus_width, p->chip_width);
}
return ERROR_OK;
}
static int jim_flash_list(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
if (argc != 1)
{
Jim_WrongNumArgs(interp, 1, argv,
"no arguments to 'flash list' command");
return JIM_ERR;
}
Jim_Obj *list = Jim_NewListObj(interp, NULL, 0);
for (struct flash_bank *p = flash_bank_list(); 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;
}
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 = "bank_id driver_name base_address size_bytes "
"chip_width_bytes bus_width_bytes 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,
.handler = handle_flash_banks_command,
.help = "Display table with information about flash banks.",
},
{
.name = "list",
.mode = COMMAND_ANY,
.jim_handler = jim_flash_list,
.help = "Returns a list of details 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)
{
return register_commands(cmd_ctx, NULL, flash_command_handlers);
}
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