diff options
Diffstat (limited to 'src/flash/nor/tcl.c')
| -rw-r--r-- | src/flash/nor/tcl.c | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/src/flash/nor/tcl.c b/src/flash/nor/tcl.c new file mode 100644 index 00000000..8c13241d --- /dev/null +++ b/src/flash/nor/tcl.c @@ -0,0 +1,203 @@ +/*************************************************************************** + * 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); +} |