3 * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24 /* Required to obtain the getline prototype from stdio.h */
31 #define IS_FNC_EXEC(c) (cmd_table[c].AIS_cmd == AIS_CMD_FNLOAD)
33 #define WORD_ALIGN(len) (((len)+WORD_ALIGN0-1) & ~(WORD_ALIGN0-1))
34 #define MAX_CMD_BUFFER 4096
36 static uint32_t ais_img_size;
39 * Supported commands for configuration file
41 static table_entry_t aisimage_cmds[] = {
42 {CMD_DATA, "DATA", "Reg Write Data"},
43 {CMD_FILL, "FILL", "Fill range with pattern"},
44 {CMD_CRCON, "CRCON", "CRC Enable"},
45 {CMD_CRCOFF, "CRCOFF", "CRC Disable"},
46 {CMD_CRCCHECK, "CRCCHECK", "CRC Validate"},
47 {CMD_JMPCLOSE, "JMPCLOSE", "Jump & Close"},
48 {CMD_JMP, "JMP", "Jump"},
49 {CMD_SEQREAD, "SEQREAD", "Sequential read"},
50 {CMD_PLL0, "PLL0", "PLL0"},
51 {CMD_PLL1, "PLL1", "PLL1"},
52 {CMD_CLK, "CLK", "Clock configuration"},
53 {CMD_DDR2, "DDR2", "DDR2 Configuration"},
54 {CMD_EMIFA, "EMIFA", "EMIFA"},
55 {CMD_EMIFA_ASYNC, "EMIFA_ASYNC", "EMIFA Async"},
56 {CMD_PLL, "PLL", "PLL & Clock configuration"},
57 {CMD_PSC, "PSC", "PSC setup"},
58 {CMD_PINMUX, "PINMUX", "Pinmux setup"},
59 {CMD_BOOTTABLE, "BOOT_TABLE", "Boot table command"},
63 static struct ais_func_exec {
66 } ais_func_table[] = {
72 [CMD_EMIFA_ASYNC] = {5, 5},
78 static struct cmd_table_t {
82 [CMD_FILL] = { 4, AIS_CMD_FILL},
83 [CMD_CRCON] = { 0, AIS_CMD_ENCRC},
84 [CMD_CRCOFF] = { 0, AIS_CMD_DISCRC},
85 [CMD_CRCCHECK] = { 2, AIS_CMD_ENCRC},
86 [CMD_JMPCLOSE] = { 1, AIS_CMD_JMPCLOSE},
87 [CMD_JMP] = { 1, AIS_CMD_JMP},
88 [CMD_SEQREAD] = { 0, AIS_CMD_SEQREAD},
89 [CMD_PLL0] = { 2, AIS_CMD_FNLOAD},
90 [CMD_PLL1] = { 2, AIS_CMD_FNLOAD},
91 [CMD_CLK] = { 1, AIS_CMD_FNLOAD},
92 [CMD_DDR2] = { 8, AIS_CMD_FNLOAD},
93 [CMD_EMIFA] = { 5, AIS_CMD_FNLOAD},
94 [CMD_EMIFA_ASYNC] = { 5, AIS_CMD_FNLOAD},
95 [CMD_PLL] = { 3, AIS_CMD_FNLOAD},
96 [CMD_PSC] = { 1, AIS_CMD_FNLOAD},
97 [CMD_PINMUX] = { 3, AIS_CMD_FNLOAD},
98 [CMD_BOOTTABLE] = { 4, AIS_CMD_BOOTTBL},
101 static uint32_t get_cfg_value(char *token, char *name, int linenr)
107 value = strtoul(token, &endptr, 16);
108 if (errno || (token == endptr)) {
109 fprintf(stderr, "Error: %s[%d] - Invalid hex data(%s)\n",
110 name, linenr, token);
116 static int get_ais_table_id(uint32_t *ptr)
122 for (i = 0; i < ARRAY_SIZE(cmd_table); i++) {
123 if (*ptr == cmd_table[i].AIS_cmd) {
124 if (cmd_table[i].AIS_cmd != AIS_CMD_FNLOAD)
127 func_no = ((struct ais_cmd_func *)ptr)->func_args
129 if (func_no == ais_func_table[i].index)
137 static void aisimage_print_header(const void *hdr)
139 struct ais_header *ais_hdr = (struct ais_header *)hdr;
141 struct ais_cmd_load *ais_load;
144 if (ais_hdr->magic != AIS_MAGIC_WORD) {
145 fprintf(stderr, "Error: - AIS Magic Number not found\n");
148 fprintf(stdout, "Image Type: TI Davinci AIS Boot Image\n");
149 fprintf(stdout, "AIS magic : %08x\n", ais_hdr->magic);
150 ptr = (uint32_t *)&ais_hdr->magic;
153 while (*ptr != AIS_CMD_JMPCLOSE) {
154 /* Check if we find the image */
155 if (*ptr == AIS_CMD_LOAD) {
156 ais_load = (struct ais_cmd_load *)ptr;
157 fprintf(stdout, "Image at : 0x%08x size 0x%08x\n",
160 ptr = ais_load->data + ais_load->size / sizeof(*ptr);
164 id = get_ais_table_id(ptr);
166 fprintf(stderr, "Error: - AIS Image corrupted\n");
169 fprintf(stdout, "AIS cmd : %s\n",
170 get_table_entry_name(aisimage_cmds, NULL, id));
171 ptr += cmd_table[id].nargs + IS_FNC_EXEC(id) + 1;
172 if (((void *)ptr - hdr) > ais_img_size) {
174 "AIS Image not terminated by JMPCLOSE\n");
180 static uint32_t *ais_insert_cmd_header(uint32_t cmd, uint32_t nargs,
181 uint32_t *parms, struct image_type_params *tparams,
186 *ptr++ = cmd_table[cmd].AIS_cmd;
187 if (IS_FNC_EXEC(cmd))
188 *ptr++ = ((nargs & 0xFFFF) << 16) + ais_func_table[cmd].index;
190 /* Copy parameters */
191 for (i = 0; i < nargs; i++)
192 *ptr++ = cpu_to_le32(parms[i]);
198 static uint32_t *ais_alloc_buffer(struct mkimage_params *params)
202 char *datafile = params->datafile;
205 dfd = open(datafile, O_RDONLY|O_BINARY);
207 fprintf(stderr, "%s: Can't open %s: %s\n",
208 params->cmdname, datafile, strerror(errno));
212 if (fstat(dfd, &sbuf) < 0) {
213 fprintf(stderr, "%s: Can't stat %s: %s\n",
214 params->cmdname, datafile, strerror(errno));
219 * Place for header is allocated. The size is taken from
220 * the size of the datafile, that the ais_image_generate()
221 * will copy into the header. Copying the datafile
222 * is not left to the main program, because after the datafile
223 * the header must be terminated with the Jump & Close command.
225 ais_img_size = WORD_ALIGN(sbuf.st_size) + MAX_CMD_BUFFER;
226 ptr = (uint32_t *)malloc(WORD_ALIGN(sbuf.st_size) + MAX_CMD_BUFFER);
228 fprintf(stderr, "%s: malloc return failure: %s\n",
229 params->cmdname, strerror(errno));
238 static uint32_t *ais_copy_image(struct mkimage_params *params,
244 char *datafile = params->datafile;
247 dfd = open(datafile, O_RDONLY|O_BINARY);
249 fprintf(stderr, "%s: Can't open %s: %s\n",
250 params->cmdname, datafile, strerror(errno));
254 if (fstat(dfd, &sbuf) < 0) {
255 fprintf(stderr, "%s: Can't stat %s: %s\n",
256 params->cmdname, datafile, strerror(errno));
260 ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, dfd, 0);
261 *aisptr++ = AIS_CMD_LOAD;
262 *aisptr++ = params->ep;
263 *aisptr++ = sbuf.st_size;
264 memcpy((void *)aisptr, ptr, sbuf.st_size);
265 aisptr += WORD_ALIGN(sbuf.st_size) / sizeof(uint32_t);
267 (void) munmap((void *)ptr, sbuf.st_size);
274 static int aisimage_generate(struct mkimage_params *params,
275 struct image_type_params *tparams)
279 char *token, *saveptr1, *saveptr2;
284 uint32_t nargs, cmd_parms[10];
285 uint32_t value, size;
286 char *name = params->imagename;
289 fd = fopen(name, "r");
292 "Error: %s - Can't open AIS configuration\n", name);
297 * the size of the header is variable and is computed
298 * scanning the configuration file.
300 tparams->header_size = 0;
303 * Start allocating a buffer suitable for most command
304 * The buffer is then reallocated if it is too small
306 aishdr = ais_alloc_buffer(params);
307 tparams->hdr = aishdr;
308 *aishdr++ = AIS_MAGIC_WORD;
310 /* Very simple parsing, line starting with # are comments
313 while ((getline(&line, &len, fd)) > 0) {
316 token = strtok_r(line, "\r\n", &saveptr1);
320 /* Check inside the single line */
325 while (token != NULL) {
326 token = strtok_r(line, " \t", &saveptr2);
330 /* Drop all text starting with '#' as comments */
336 cmd = get_table_entry_id(aisimage_cmds,
337 "aisimage commands", token);
340 "Error: %s[%d] - Invalid command"
341 "(%s)\n", name, lineno, token);
347 value = get_cfg_value(token, name, lineno);
348 cmd_parms[nargs++] = value;
349 if (nargs > cmd_table[cmd].nargs) {
351 "Error: %s[%d] - too much arguments:"
352 "(%s) for command %s\n", name,
354 aisimage_cmds[cmd].sname);
362 if (cmd != CMD_INVALID) {
363 /* Now insert the command into the header */
364 aishdr = ais_insert_cmd_header(cmd, nargs, cmd_parms,
371 aishdr = ais_copy_image(params, aishdr);
373 /* Add Jmp & Close */
374 *aishdr++ = AIS_CMD_JMPCLOSE;
375 *aishdr++ = params->ep;
377 size = (aishdr - (uint32_t *)tparams->hdr) * sizeof(uint32_t);
378 tparams->header_size = size;
383 static int aisimage_check_image_types(uint8_t type)
385 if (type == IH_TYPE_AISIMAGE)
391 static int aisimage_verify_header(unsigned char *ptr, int image_size,
392 struct mkimage_params *params)
394 struct ais_header *ais_hdr = (struct ais_header *)ptr;
396 if (ais_hdr->magic != AIS_MAGIC_WORD)
397 return -FDT_ERR_BADSTRUCTURE;
399 /* Store the total size to remember in print_hdr */
400 ais_img_size = image_size;
405 static void aisimage_set_header(void *ptr, struct stat *sbuf, int ifd,
406 struct mkimage_params *params)
410 int aisimage_check_params(struct mkimage_params *params)
414 if (!strlen(params->imagename)) {
415 fprintf(stderr, "Error: %s - Configuration file not specified, "
416 "it is needed for aisimage generation\n",
422 * XIP is not allowed and verify that incompatible
423 * parameters are not sent at the same time
424 * For example, if list is required a data image must not be provided
426 return (params->dflag && (params->fflag || params->lflag)) ||
427 (params->fflag && (params->dflag || params->lflag)) ||
428 (params->lflag && (params->dflag || params->fflag)) ||
429 (params->xflag) || !(strlen(params->imagename));
433 * aisimage parameters
435 static struct image_type_params aisimage_params = {
436 .name = "TI Davinci AIS Boot Image support",
439 .check_image_type = aisimage_check_image_types,
440 .verify_header = aisimage_verify_header,
441 .print_header = aisimage_print_header,
442 .set_header = aisimage_set_header,
443 .check_params = aisimage_check_params,
444 .vrec_header = aisimage_generate,
447 void init_ais_image_type(void)
449 mkimage_register(&aisimage_params);