add flash/nor/core.[ch]
[openocd.git] / src / flash / nor / tcl.c
1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath <Dominic.Rath@gmx.de> *
3 * Copyright (C) 2007,2008 √ėyvind Harboe <oyvind.harboe@zylin.com> *
4 * Copyright (C) 2008 by Spencer Oliver <spen@spen-soft.co.uk> *
5 * Copyright (C) 2009 Zachary T Welch <zw@superlucidity.net> *
6 * *
7 * This program is free software; you can redistribute it and/or modify *
8 * it under the terms of the GNU General Public License as published by *
9 * the Free Software Foundation; either version 2 of the License, or *
10 * (at your option) any later version. *
11 * *
12 * This program is distributed in the hope that it will be useful, *
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
15 * GNU General Public License for more details. *
16 * *
17 * You should have received a copy of the GNU General Public License *
18 * along with this program; if not, write to the *
19 * Free Software Foundation, Inc., *
20 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
21 ***************************************************************************/
22 #ifdef HAVE_CONFIG_H
23 #include "config.h"
24 #endif
25 #include "imp.h"
26
27 COMMAND_HANDLER(handle_flash_bank_command)
28 {
29 if (CMD_ARGC < 7)
30 {
31 LOG_ERROR("usage: flash bank <name> <driver> "
32 "<base> <size> <chip_width> <bus_width>");
33 return ERROR_COMMAND_SYNTAX_ERROR;
34 }
35 // save bank name and advance arguments for compatibility
36 const char *bank_name = *CMD_ARGV++;
37 CMD_ARGC--;
38
39 struct target *target;
40 if ((target = get_target(CMD_ARGV[5])) == NULL)
41 {
42 LOG_ERROR("target '%s' not defined", CMD_ARGV[5]);
43 return ERROR_FAIL;
44 }
45
46 const char *driver_name = CMD_ARGV[0];
47 struct flash_driver *driver = flash_driver_find_by_name(driver_name);
48 if (NULL == driver)
49 {
50 /* no matching flash driver found */
51 LOG_ERROR("flash driver '%s' not found", driver_name);
52 return ERROR_FAIL;
53 }
54
55 /* register flash specific commands */
56 if (NULL != driver->commands)
57 {
58 int retval = register_commands(CMD_CTX, NULL,
59 driver->commands);
60 if (ERROR_OK != retval)
61 {
62 LOG_ERROR("couldn't register '%s' commands",
63 driver_name);
64 return ERROR_FAIL;
65 }
66 }
67
68 struct flash_bank *c = malloc(sizeof(*c));
69 c->name = strdup(bank_name);
70 c->target = target;
71 c->driver = driver;
72 c->driver_priv = NULL;
73 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], c->base);
74 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], c->size);
75 COMMAND_PARSE_NUMBER(int, CMD_ARGV[3], c->chip_width);
76 COMMAND_PARSE_NUMBER(int, CMD_ARGV[4], c->bus_width);
77 c->num_sectors = 0;
78 c->sectors = NULL;
79 c->next = NULL;
80
81 int retval;
82 retval = CALL_COMMAND_HANDLER(driver->flash_bank_command, c);
83 if (ERROR_OK != retval)
84 {
85 LOG_ERROR("'%s' driver rejected flash bank at 0x%8.8" PRIx32,
86 driver_name, c->base);
87 free(c);
88 return retval;
89 }
90
91 return ERROR_OK;
92
93 }
94
95
96 static int jim_flash_banks(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
97 {
98 if (argc != 1) {
99 Jim_WrongNumArgs(interp, 1, argv, "no arguments to flash_banks command");
100 return JIM_ERR;
101 }
102
103 Jim_Obj *list = Jim_NewListObj(interp, NULL, 0);
104
105 for (struct flash_bank *p = flash_bank_list(); p; p = p->next)
106 {
107 Jim_Obj *elem = Jim_NewListObj(interp, NULL, 0);
108
109 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "name", -1));
110 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, p->driver->name, -1));
111 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "base", -1));
112 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->base));
113 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "size", -1));
114 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->size));
115 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "bus_width", -1));
116 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->bus_width));
117 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "chip_width", -1));
118 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->chip_width));
119
120 Jim_ListAppendElement(interp, list, elem);
121 }
122
123 Jim_SetResult(interp, list);
124
125 return JIM_OK;
126 }
127
128
129 COMMAND_HANDLER(handle_flash_init_command)
130 {
131 if (CMD_ARGC != 0)
132 return ERROR_COMMAND_SYNTAX_ERROR;
133
134 static bool flash_initialized = false;
135 if (flash_initialized)
136 {
137 LOG_INFO("'flash init' has already been called");
138 return ERROR_OK;
139 }
140 flash_initialized = true;
141
142 LOG_DEBUG("Initializing flash devices...");
143 return flash_init_drivers(CMD_CTX);
144 }
145
146 static const struct command_registration flash_config_command_handlers[] = {
147 {
148 .name = "bank",
149 .handler = &handle_flash_bank_command,
150 .mode = COMMAND_CONFIG,
151 .usage = "<name> <driver> <base> <size> "
152 "<chip_width> <bus_width> <target> "
153 "[driver_options ...]",
154 .help = "Define a new bank with the given name, "
155 "using the specified NOR flash driver.",
156 },
157 {
158 .name = "init",
159 .mode = COMMAND_CONFIG,
160 .handler = &handle_flash_init_command,
161 .help = "initialize flash devices",
162 },
163 {
164 .name = "banks",
165 .mode = COMMAND_ANY,
166 .jim_handler = &jim_flash_banks,
167 .help = "return information about the flash banks",
168 },
169 COMMAND_REGISTRATION_DONE
170 };
171 static const struct command_registration flash_command_handlers[] = {
172 {
173 .name = "flash",
174 .mode = COMMAND_ANY,
175 .help = "NOR flash command group",
176 .chain = flash_config_command_handlers,
177 },
178 COMMAND_REGISTRATION_DONE
179 };
180
181 int flash_register_commands(struct command_context *cmd_ctx)
182 {
183 return register_commands(cmd_ctx, NULL, flash_command_handlers);
184 }

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