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7#include "imagetool.h"
8#include "aisimage.h"
9#include <image.h>
10
11#define IS_FNC_EXEC(c) (cmd_table[c].AIS_cmd == AIS_CMD_FNLOAD)
12#define WORD_ALIGN0 4
13#define MAX_CMD_BUFFER 4096
14
15static uint32_t ais_img_size;
16
17
18
19
20static table_entry_t aisimage_cmds[] = {
21 {CMD_DATA, "DATA", "Reg Write Data"},
22 {CMD_FILL, "FILL", "Fill range with pattern"},
23 {CMD_CRCON, "CRCON", "CRC Enable"},
24 {CMD_CRCOFF, "CRCOFF", "CRC Disable"},
25 {CMD_CRCCHECK, "CRCCHECK", "CRC Validate"},
26 {CMD_JMPCLOSE, "JMPCLOSE", "Jump & Close"},
27 {CMD_JMP, "JMP", "Jump"},
28 {CMD_SEQREAD, "SEQREAD", "Sequential read"},
29 {CMD_PLL0, "PLL0", "PLL0"},
30 {CMD_PLL1, "PLL1", "PLL1"},
31 {CMD_CLK, "CLK", "Clock configuration"},
32 {CMD_DDR2, "DDR2", "DDR2 Configuration"},
33 {CMD_EMIFA, "EMIFA", "EMIFA"},
34 {CMD_EMIFA_ASYNC, "EMIFA_ASYNC", "EMIFA Async"},
35 {CMD_PLL, "PLL", "PLL & Clock configuration"},
36 {CMD_PSC, "PSC", "PSC setup"},
37 {CMD_PINMUX, "PINMUX", "Pinmux setup"},
38 {CMD_BOOTTABLE, "BOOT_TABLE", "Boot table command"},
39 {-1, "", ""},
40};
41
42static struct ais_func_exec {
43 uint32_t index;
44 uint32_t argcnt;
45} ais_func_table[] = {
46 [CMD_PLL0] = {0, 2},
47 [CMD_PLL1] = {1, 2},
48 [CMD_CLK] = {2, 1},
49 [CMD_DDR2] = {3, 8},
50 [CMD_EMIFA] = {4, 5},
51 [CMD_EMIFA_ASYNC] = {5, 5},
52 [CMD_PLL] = {6, 3},
53 [CMD_PSC] = {7, 1},
54 [CMD_PINMUX] = {8, 3}
55};
56
57static struct cmd_table_t {
58 uint32_t nargs;
59 uint32_t AIS_cmd;
60} cmd_table[] = {
61 [CMD_FILL] = { 4, AIS_CMD_FILL},
62 [CMD_CRCON] = { 0, AIS_CMD_ENCRC},
63 [CMD_CRCOFF] = { 0, AIS_CMD_DISCRC},
64 [CMD_CRCCHECK] = { 2, AIS_CMD_ENCRC},
65 [CMD_JMPCLOSE] = { 1, AIS_CMD_JMPCLOSE},
66 [CMD_JMP] = { 1, AIS_CMD_JMP},
67 [CMD_SEQREAD] = { 0, AIS_CMD_SEQREAD},
68 [CMD_PLL0] = { 2, AIS_CMD_FNLOAD},
69 [CMD_PLL1] = { 2, AIS_CMD_FNLOAD},
70 [CMD_CLK] = { 1, AIS_CMD_FNLOAD},
71 [CMD_DDR2] = { 8, AIS_CMD_FNLOAD},
72 [CMD_EMIFA] = { 5, AIS_CMD_FNLOAD},
73 [CMD_EMIFA_ASYNC] = { 5, AIS_CMD_FNLOAD},
74 [CMD_PLL] = { 3, AIS_CMD_FNLOAD},
75 [CMD_PSC] = { 1, AIS_CMD_FNLOAD},
76 [CMD_PINMUX] = { 3, AIS_CMD_FNLOAD},
77 [CMD_BOOTTABLE] = { 4, AIS_CMD_BOOTTBL},
78};
79
80static uint32_t get_cfg_value(char *token, char *name, int linenr)
81{
82 char *endptr;
83 uint32_t value;
84
85 errno = 0;
86 value = strtoul(token, &endptr, 16);
87 if (errno || (token == endptr)) {
88 fprintf(stderr, "Error: %s[%d] - Invalid hex data(%s)\n",
89 name, linenr, token);
90 exit(EXIT_FAILURE);
91 }
92 return value;
93}
94
95static int get_ais_table_id(uint32_t *ptr)
96{
97
98 int i;
99 int func_no;
100
101 for (i = 0; i < ARRAY_SIZE(cmd_table); i++) {
102 if (*ptr == cmd_table[i].AIS_cmd) {
103 if (cmd_table[i].AIS_cmd != AIS_CMD_FNLOAD)
104 return i;
105
106 func_no = ((struct ais_cmd_func *)ptr)->func_args
107 & 0xFFFF;
108 if (func_no == ais_func_table[i].index)
109 return i;
110 }
111 }
112
113 return -1;
114}
115
116static void aisimage_print_header(const void *hdr)
117{
118 struct ais_header *ais_hdr = (struct ais_header *)hdr;
119 uint32_t *ptr;
120 struct ais_cmd_load *ais_load;
121 int id;
122
123 if (ais_hdr->magic != AIS_MAGIC_WORD) {
124 fprintf(stderr, "Error: - AIS Magic Number not found\n");
125 return;
126 }
127 fprintf(stdout, "Image Type: TI Davinci AIS Boot Image\n");
128 fprintf(stdout, "AIS magic : %08x\n", ais_hdr->magic);
129 ptr = (uint32_t *)&ais_hdr->magic;
130 ptr++;
131
132 while (*ptr != AIS_CMD_JMPCLOSE) {
133
134 if (*ptr == AIS_CMD_LOAD) {
135 ais_load = (struct ais_cmd_load *)ptr;
136 fprintf(stdout, "Image at : 0x%08x size 0x%08x\n",
137 ais_load->addr,
138 ais_load->size);
139 ptr = ais_load->data + ais_load->size / sizeof(*ptr);
140 continue;
141 }
142
143 id = get_ais_table_id(ptr);
144 if (id < 0) {
145 fprintf(stderr, "Error: - AIS Image corrupted\n");
146 return;
147 }
148 fprintf(stdout, "AIS cmd : %s\n",
149 get_table_entry_name(aisimage_cmds, NULL, id));
150 ptr += cmd_table[id].nargs + IS_FNC_EXEC(id) + 1;
151 if (((void *)ptr - hdr) > ais_img_size) {
152 fprintf(stderr,
153 "AIS Image not terminated by JMPCLOSE\n");
154 return;
155 }
156 }
157}
158
159static uint32_t *ais_insert_cmd_header(uint32_t cmd, uint32_t nargs,
160 uint32_t *parms, struct image_type_params *tparams,
161 uint32_t *ptr)
162{
163 int i;
164
165 *ptr++ = cmd_table[cmd].AIS_cmd;
166 if (IS_FNC_EXEC(cmd))
167 *ptr++ = ((nargs & 0xFFFF) << 16) + ais_func_table[cmd].index;
168
169
170 for (i = 0; i < nargs; i++)
171 *ptr++ = cpu_to_le32(parms[i]);
172
173 return ptr;
174
175}
176
177static uint32_t *ais_alloc_buffer(struct image_tool_params *params)
178{
179 int dfd;
180 struct stat sbuf;
181 char *datafile = params->datafile;
182 uint32_t *ptr;
183
184 dfd = open(datafile, O_RDONLY|O_BINARY);
185 if (dfd < 0) {
186 fprintf(stderr, "%s: Can't open %s: %s\n",
187 params->cmdname, datafile, strerror(errno));
188 exit(EXIT_FAILURE);
189 }
190
191 if (fstat(dfd, &sbuf) < 0) {
192 fprintf(stderr, "%s: Can't stat %s: %s\n",
193 params->cmdname, datafile, strerror(errno));
194 exit(EXIT_FAILURE);
195 }
196
197
198
199
200
201
202
203
204 ais_img_size = ALIGN(sbuf.st_size, WORD_ALIGN0) + MAX_CMD_BUFFER;
205 ptr = (uint32_t *)malloc(ALIGN(sbuf.st_size, WORD_ALIGN0)
206 + MAX_CMD_BUFFER);
207 if (!ptr) {
208 fprintf(stderr, "%s: malloc return failure: %s\n",
209 params->cmdname, strerror(errno));
210 exit(EXIT_FAILURE);
211 }
212
213 close(dfd);
214
215 return ptr;
216}
217
218static uint32_t *ais_copy_image(struct image_tool_params *params,
219 uint32_t *aisptr)
220
221{
222 int dfd;
223 struct stat sbuf;
224 char *datafile = params->datafile;
225 void *ptr;
226
227 dfd = open(datafile, O_RDONLY|O_BINARY);
228 if (dfd < 0) {
229 fprintf(stderr, "%s: Can't open %s: %s\n",
230 params->cmdname, datafile, strerror(errno));
231 exit(EXIT_FAILURE);
232 }
233
234 if (fstat(dfd, &sbuf) < 0) {
235 fprintf(stderr, "%s: Can't stat %s: %s\n",
236 params->cmdname, datafile, strerror(errno));
237 exit(EXIT_FAILURE);
238 }
239
240 ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, dfd, 0);
241 *aisptr++ = AIS_CMD_LOAD;
242 *aisptr++ = params->ep;
243 *aisptr++ = sbuf.st_size;
244 memcpy((void *)aisptr, ptr, sbuf.st_size);
245 aisptr += ALIGN(sbuf.st_size, WORD_ALIGN0) / sizeof(uint32_t);
246
247 (void) munmap((void *)ptr, sbuf.st_size);
248 (void) close(dfd);
249
250 return aisptr;
251
252}
253
254static int aisimage_generate(struct image_tool_params *params,
255 struct image_type_params *tparams)
256{
257 FILE *fd = NULL;
258 char *line = NULL;
259 char *token, *saveptr1, *saveptr2;
260 int lineno = 0;
261 int fld;
262 size_t len;
263 int32_t cmd;
264 uint32_t nargs, cmd_parms[10];
265 uint32_t value, size;
266 char *name = params->imagename;
267 uint32_t *aishdr;
268
269 fd = fopen(name, "r");
270 if (fd == 0) {
271 fprintf(stderr,
272 "Error: %s - Can't open AIS configuration\n", name);
273 exit(EXIT_FAILURE);
274 }
275
276
277
278
279
280 tparams->header_size = 0;
281
282
283
284
285
286 aishdr = ais_alloc_buffer(params);
287 tparams->hdr = aishdr;
288 *aishdr++ = AIS_MAGIC_WORD;
289
290
291
292
293 while ((getline(&line, &len, fd)) > 0) {
294 lineno++;
295
296 token = strtok_r(line, "\r\n", &saveptr1);
297 if (token == NULL)
298 continue;
299
300
301 line = token;
302 fld = CFG_COMMAND;
303 cmd = CMD_INVALID;
304 nargs = 0;
305 while (token != NULL) {
306 token = strtok_r(line, " \t", &saveptr2);
307 if (token == NULL)
308 break;
309
310
311 if (token[0] == '#')
312 break;
313
314 switch (fld) {
315 case CFG_COMMAND:
316 cmd = get_table_entry_id(aisimage_cmds,
317 "aisimage commands", token);
318 if (cmd < 0) {
319 fprintf(stderr,
320 "Error: %s[%d] - Invalid command"
321 "(%s)\n", name, lineno, token);
322
323 exit(EXIT_FAILURE);
324 }
325 break;
326 case CFG_VALUE:
327 value = get_cfg_value(token, name, lineno);
328 cmd_parms[nargs++] = value;
329 if (nargs > cmd_table[cmd].nargs) {
330 fprintf(stderr,
331 "Error: %s[%d] - too much arguments:"
332 "(%s) for command %s\n", name,
333 lineno, token,
334 aisimage_cmds[cmd].sname);
335 exit(EXIT_FAILURE);
336 }
337 break;
338 }
339 line = NULL;
340 fld = CFG_VALUE;
341 }
342 if (cmd != CMD_INVALID) {
343
344 aishdr = ais_insert_cmd_header(cmd, nargs, cmd_parms,
345 tparams, aishdr);
346 }
347
348 }
349 fclose(fd);
350
351 aishdr = ais_copy_image(params, aishdr);
352
353
354 *aishdr++ = AIS_CMD_JMPCLOSE;
355 *aishdr++ = params->ep;
356
357 size = (aishdr - (uint32_t *)tparams->hdr) * sizeof(uint32_t);
358 tparams->header_size = size;
359
360 return 0;
361}
362
363static int aisimage_check_image_types(uint8_t type)
364{
365 if (type == IH_TYPE_AISIMAGE)
366 return EXIT_SUCCESS;
367 else
368 return EXIT_FAILURE;
369}
370
371static int aisimage_verify_header(unsigned char *ptr, int image_size,
372 struct image_tool_params *params)
373{
374 struct ais_header *ais_hdr = (struct ais_header *)ptr;
375
376 if (ais_hdr->magic != AIS_MAGIC_WORD)
377 return -FDT_ERR_BADSTRUCTURE;
378
379
380 ais_img_size = image_size;
381
382 return 0;
383}
384
385static void aisimage_set_header(void *ptr, struct stat *sbuf, int ifd,
386 struct image_tool_params *params)
387{
388}
389
390int aisimage_check_params(struct image_tool_params *params)
391{
392 if (!params)
393 return CFG_INVALID;
394 if (!strlen(params->imagename)) {
395 fprintf(stderr, "Error: %s - Configuration file not specified, "
396 "it is needed for aisimage generation\n",
397 params->cmdname);
398 return CFG_INVALID;
399 }
400
401
402
403
404
405
406 return (params->dflag && (params->fflag || params->lflag)) ||
407 (params->fflag && (params->dflag || params->lflag)) ||
408 (params->lflag && (params->dflag || params->fflag)) ||
409 (params->xflag) || !(strlen(params->imagename));
410}
411
412
413
414
415U_BOOT_IMAGE_TYPE(
416 aisimage,
417 "TI Davinci AIS Boot Image support",
418 0,
419 NULL,
420 aisimage_check_params,
421 aisimage_verify_header,
422 aisimage_print_header,
423 aisimage_set_header,
424 NULL,
425 aisimage_check_image_types,
426 NULL,
427 aisimage_generate
428);
429
