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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"
COMMAND_HANDLER(handle_flash_bank_command)
{
if (CMD_ARGC < 7)
{
LOG_ERROR("usage: flash bank <name> <driver> "
"<base> <size> <chip_width> <bus_width>");
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];
for (unsigned i = 0; flash_drivers[i]; i++)
{
if (strcmp(driver_name, flash_drivers[i]->name) != 0)
continue;
/* register flash specific commands */
if (NULL != flash_drivers[i]->commands)
{
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;
c->driver = flash_drivers[i];
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(flash_drivers[i]->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;
}
/* put flash bank in linked list */
if (flash_banks)
{
int bank_num = 0;
/* find last flash bank */
for (p = flash_banks; p && p->next; p = p->next) bank_num++;
if (p)
p->next = c;
c->bank_number = bank_num + 1;
}
else
{
flash_banks = c;
c->bank_number = 0;
}
return ERROR_OK;
}
/* no matching flash driver found */
LOG_ERROR("flash driver '%s' not found", driver_name);
return ERROR_FAIL;
}
static int jim_flash_banks(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
struct flash_bank *p;
if (argc != 1) {
Jim_WrongNumArgs(interp, 1, argv, "no arguments to flash_banks command");
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;
}
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)
{
return register_commands(cmd_ctx, NULL, flash_command_handlers);
}
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