]>
Commit | Line | Data |
---|---|---|
3aab70af SS |
1 | /* |
2 | * (C) Copyright 2008 - 2009 | |
3 | * Windriver, <www.windriver.com> | |
4 | * Tom Rix <Tom.Rix@windriver.com> | |
5 | * | |
6 | * Copyright 2011 Sebastian Andrzej Siewior <bigeasy@linutronix.de> | |
7 | * | |
8 | * Copyright 2014 Linaro, Ltd. | |
9 | * Rob Herring <robh@kernel.org> | |
10 | * | |
11 | * SPDX-License-Identifier: GPL-2.0+ | |
12 | */ | |
593cbd93 | 13 | #include <config.h> |
3aab70af SS |
14 | #include <common.h> |
15 | #include <errno.h> | |
16 | #include <malloc.h> | |
17 | #include <linux/usb/ch9.h> | |
18 | #include <linux/usb/gadget.h> | |
19 | #include <linux/usb/composite.h> | |
20 | #include <linux/compiler.h> | |
21 | #include <version.h> | |
22 | #include <g_dnl.h> | |
d1b5ed07 SR |
23 | #ifdef CONFIG_FASTBOOT_FLASH_MMC_DEV |
24 | #include <fb_mmc.h> | |
25 | #endif | |
3aab70af SS |
26 | |
27 | #define FASTBOOT_VERSION "0.4" | |
28 | ||
29 | #define FASTBOOT_INTERFACE_CLASS 0xff | |
30 | #define FASTBOOT_INTERFACE_SUB_CLASS 0x42 | |
31 | #define FASTBOOT_INTERFACE_PROTOCOL 0x03 | |
32 | ||
33 | #define RX_ENDPOINT_MAXIMUM_PACKET_SIZE_2_0 (0x0200) | |
34 | #define RX_ENDPOINT_MAXIMUM_PACKET_SIZE_1_1 (0x0040) | |
35 | #define TX_ENDPOINT_MAXIMUM_PACKET_SIZE (0x0040) | |
36 | ||
37 | /* The 64 defined bytes plus \0 */ | |
38 | #define RESPONSE_LEN (64 + 1) | |
39 | ||
40 | #define EP_BUFFER_SIZE 4096 | |
41 | ||
42 | struct f_fastboot { | |
43 | struct usb_function usb_function; | |
44 | ||
593cbd93 | 45 | /* IN/OUT EP's and corresponding requests */ |
3aab70af SS |
46 | struct usb_ep *in_ep, *out_ep; |
47 | struct usb_request *in_req, *out_req; | |
48 | }; | |
49 | ||
50 | static inline struct f_fastboot *func_to_fastboot(struct usb_function *f) | |
51 | { | |
52 | return container_of(f, struct f_fastboot, usb_function); | |
53 | } | |
54 | ||
55 | static struct f_fastboot *fastboot_func; | |
56 | static unsigned int download_size; | |
57 | static unsigned int download_bytes; | |
9e4b510d | 58 | static bool is_high_speed; |
3aab70af SS |
59 | |
60 | static struct usb_endpoint_descriptor fs_ep_in = { | |
61 | .bLength = USB_DT_ENDPOINT_SIZE, | |
62 | .bDescriptorType = USB_DT_ENDPOINT, | |
63 | .bEndpointAddress = USB_DIR_IN, | |
64 | .bmAttributes = USB_ENDPOINT_XFER_BULK, | |
65 | .wMaxPacketSize = TX_ENDPOINT_MAXIMUM_PACKET_SIZE, | |
66 | .bInterval = 0x00, | |
67 | }; | |
68 | ||
69 | static struct usb_endpoint_descriptor fs_ep_out = { | |
70 | .bLength = USB_DT_ENDPOINT_SIZE, | |
71 | .bDescriptorType = USB_DT_ENDPOINT, | |
72 | .bEndpointAddress = USB_DIR_OUT, | |
73 | .bmAttributes = USB_ENDPOINT_XFER_BULK, | |
74 | .wMaxPacketSize = RX_ENDPOINT_MAXIMUM_PACKET_SIZE_1_1, | |
75 | .bInterval = 0x00, | |
76 | }; | |
77 | ||
78 | static struct usb_endpoint_descriptor hs_ep_out = { | |
79 | .bLength = USB_DT_ENDPOINT_SIZE, | |
80 | .bDescriptorType = USB_DT_ENDPOINT, | |
81 | .bEndpointAddress = USB_DIR_OUT, | |
82 | .bmAttributes = USB_ENDPOINT_XFER_BULK, | |
83 | .wMaxPacketSize = RX_ENDPOINT_MAXIMUM_PACKET_SIZE_2_0, | |
84 | .bInterval = 0x00, | |
85 | }; | |
86 | ||
87 | static struct usb_interface_descriptor interface_desc = { | |
88 | .bLength = USB_DT_INTERFACE_SIZE, | |
89 | .bDescriptorType = USB_DT_INTERFACE, | |
90 | .bInterfaceNumber = 0x00, | |
91 | .bAlternateSetting = 0x00, | |
92 | .bNumEndpoints = 0x02, | |
93 | .bInterfaceClass = FASTBOOT_INTERFACE_CLASS, | |
94 | .bInterfaceSubClass = FASTBOOT_INTERFACE_SUB_CLASS, | |
95 | .bInterfaceProtocol = FASTBOOT_INTERFACE_PROTOCOL, | |
96 | }; | |
97 | ||
98 | static struct usb_descriptor_header *fb_runtime_descs[] = { | |
99 | (struct usb_descriptor_header *)&interface_desc, | |
100 | (struct usb_descriptor_header *)&fs_ep_in, | |
101 | (struct usb_descriptor_header *)&hs_ep_out, | |
102 | NULL, | |
103 | }; | |
104 | ||
105 | /* | |
106 | * static strings, in UTF-8 | |
107 | */ | |
108 | static const char fastboot_name[] = "Android Fastboot"; | |
109 | ||
110 | static struct usb_string fastboot_string_defs[] = { | |
111 | [0].s = fastboot_name, | |
112 | { } /* end of list */ | |
113 | }; | |
114 | ||
115 | static struct usb_gadget_strings stringtab_fastboot = { | |
116 | .language = 0x0409, /* en-us */ | |
117 | .strings = fastboot_string_defs, | |
118 | }; | |
119 | ||
120 | static struct usb_gadget_strings *fastboot_strings[] = { | |
121 | &stringtab_fastboot, | |
122 | NULL, | |
123 | }; | |
124 | ||
125 | static void rx_handler_command(struct usb_ep *ep, struct usb_request *req); | |
e2ec3e46 | 126 | static int strcmp_l1(const char *s1, const char *s2); |
3aab70af SS |
127 | |
128 | static void fastboot_complete(struct usb_ep *ep, struct usb_request *req) | |
129 | { | |
130 | int status = req->status; | |
131 | if (!status) | |
132 | return; | |
133 | printf("status: %d ep '%s' trans: %d\n", status, ep->name, req->actual); | |
134 | } | |
135 | ||
136 | static int fastboot_bind(struct usb_configuration *c, struct usb_function *f) | |
137 | { | |
138 | int id; | |
139 | struct usb_gadget *gadget = c->cdev->gadget; | |
140 | struct f_fastboot *f_fb = func_to_fastboot(f); | |
537cd072 | 141 | const char *s; |
3aab70af SS |
142 | |
143 | /* DYNAMIC interface numbers assignments */ | |
144 | id = usb_interface_id(c, f); | |
145 | if (id < 0) | |
146 | return id; | |
147 | interface_desc.bInterfaceNumber = id; | |
148 | ||
149 | id = usb_string_id(c->cdev); | |
150 | if (id < 0) | |
151 | return id; | |
152 | fastboot_string_defs[0].id = id; | |
153 | interface_desc.iInterface = id; | |
154 | ||
155 | f_fb->in_ep = usb_ep_autoconfig(gadget, &fs_ep_in); | |
156 | if (!f_fb->in_ep) | |
157 | return -ENODEV; | |
158 | f_fb->in_ep->driver_data = c->cdev; | |
159 | ||
160 | f_fb->out_ep = usb_ep_autoconfig(gadget, &fs_ep_out); | |
161 | if (!f_fb->out_ep) | |
162 | return -ENODEV; | |
163 | f_fb->out_ep->driver_data = c->cdev; | |
164 | ||
165 | hs_ep_out.bEndpointAddress = fs_ep_out.bEndpointAddress; | |
166 | ||
537cd072 DK |
167 | s = getenv("serial#"); |
168 | if (s) | |
169 | g_dnl_set_serialnumber((char *)s); | |
170 | ||
3aab70af SS |
171 | return 0; |
172 | } | |
173 | ||
174 | static void fastboot_unbind(struct usb_configuration *c, struct usb_function *f) | |
175 | { | |
176 | memset(fastboot_func, 0, sizeof(*fastboot_func)); | |
177 | } | |
178 | ||
179 | static void fastboot_disable(struct usb_function *f) | |
180 | { | |
181 | struct f_fastboot *f_fb = func_to_fastboot(f); | |
182 | ||
183 | usb_ep_disable(f_fb->out_ep); | |
184 | usb_ep_disable(f_fb->in_ep); | |
185 | ||
186 | if (f_fb->out_req) { | |
187 | free(f_fb->out_req->buf); | |
188 | usb_ep_free_request(f_fb->out_ep, f_fb->out_req); | |
189 | f_fb->out_req = NULL; | |
190 | } | |
191 | if (f_fb->in_req) { | |
192 | free(f_fb->in_req->buf); | |
193 | usb_ep_free_request(f_fb->in_ep, f_fb->in_req); | |
194 | f_fb->in_req = NULL; | |
195 | } | |
196 | } | |
197 | ||
198 | static struct usb_request *fastboot_start_ep(struct usb_ep *ep) | |
199 | { | |
200 | struct usb_request *req; | |
201 | ||
202 | req = usb_ep_alloc_request(ep, 0); | |
203 | if (!req) | |
204 | return NULL; | |
205 | ||
206 | req->length = EP_BUFFER_SIZE; | |
207 | req->buf = memalign(CONFIG_SYS_CACHELINE_SIZE, EP_BUFFER_SIZE); | |
208 | if (!req->buf) { | |
209 | usb_ep_free_request(ep, req); | |
210 | return NULL; | |
211 | } | |
212 | ||
213 | memset(req->buf, 0, req->length); | |
214 | return req; | |
215 | } | |
216 | ||
217 | static int fastboot_set_alt(struct usb_function *f, | |
218 | unsigned interface, unsigned alt) | |
219 | { | |
220 | int ret; | |
221 | struct usb_composite_dev *cdev = f->config->cdev; | |
222 | struct usb_gadget *gadget = cdev->gadget; | |
223 | struct f_fastboot *f_fb = func_to_fastboot(f); | |
224 | ||
225 | debug("%s: func: %s intf: %d alt: %d\n", | |
226 | __func__, f->name, interface, alt); | |
227 | ||
228 | /* make sure we don't enable the ep twice */ | |
9e4b510d | 229 | if (gadget->speed == USB_SPEED_HIGH) { |
3aab70af | 230 | ret = usb_ep_enable(f_fb->out_ep, &hs_ep_out); |
9e4b510d DK |
231 | is_high_speed = true; |
232 | } else { | |
3aab70af | 233 | ret = usb_ep_enable(f_fb->out_ep, &fs_ep_out); |
9e4b510d DK |
234 | is_high_speed = false; |
235 | } | |
3aab70af SS |
236 | if (ret) { |
237 | puts("failed to enable out ep\n"); | |
238 | return ret; | |
239 | } | |
240 | ||
241 | f_fb->out_req = fastboot_start_ep(f_fb->out_ep); | |
242 | if (!f_fb->out_req) { | |
243 | puts("failed to alloc out req\n"); | |
244 | ret = -EINVAL; | |
245 | goto err; | |
246 | } | |
247 | f_fb->out_req->complete = rx_handler_command; | |
248 | ||
249 | ret = usb_ep_enable(f_fb->in_ep, &fs_ep_in); | |
250 | if (ret) { | |
251 | puts("failed to enable in ep\n"); | |
252 | goto err; | |
253 | } | |
254 | ||
255 | f_fb->in_req = fastboot_start_ep(f_fb->in_ep); | |
256 | if (!f_fb->in_req) { | |
257 | puts("failed alloc req in\n"); | |
258 | ret = -EINVAL; | |
259 | goto err; | |
260 | } | |
261 | f_fb->in_req->complete = fastboot_complete; | |
262 | ||
263 | ret = usb_ep_queue(f_fb->out_ep, f_fb->out_req, 0); | |
264 | if (ret) | |
265 | goto err; | |
266 | ||
267 | return 0; | |
268 | err: | |
269 | fastboot_disable(f); | |
270 | return ret; | |
271 | } | |
272 | ||
273 | static int fastboot_add(struct usb_configuration *c) | |
274 | { | |
275 | struct f_fastboot *f_fb = fastboot_func; | |
276 | int status; | |
277 | ||
278 | debug("%s: cdev: 0x%p\n", __func__, c->cdev); | |
279 | ||
280 | if (!f_fb) { | |
281 | f_fb = memalign(CONFIG_SYS_CACHELINE_SIZE, sizeof(*f_fb)); | |
282 | if (!f_fb) | |
283 | return -ENOMEM; | |
284 | ||
285 | fastboot_func = f_fb; | |
286 | memset(f_fb, 0, sizeof(*f_fb)); | |
287 | } | |
288 | ||
289 | f_fb->usb_function.name = "f_fastboot"; | |
290 | f_fb->usb_function.hs_descriptors = fb_runtime_descs; | |
291 | f_fb->usb_function.bind = fastboot_bind; | |
292 | f_fb->usb_function.unbind = fastboot_unbind; | |
293 | f_fb->usb_function.set_alt = fastboot_set_alt; | |
294 | f_fb->usb_function.disable = fastboot_disable; | |
295 | f_fb->usb_function.strings = fastboot_strings; | |
296 | ||
297 | status = usb_add_function(c, &f_fb->usb_function); | |
298 | if (status) { | |
299 | free(f_fb); | |
300 | fastboot_func = f_fb; | |
301 | } | |
302 | ||
303 | return status; | |
304 | } | |
305 | DECLARE_GADGET_BIND_CALLBACK(usb_dnl_fastboot, fastboot_add); | |
306 | ||
593cbd93 | 307 | static int fastboot_tx_write(const char *buffer, unsigned int buffer_size) |
3aab70af SS |
308 | { |
309 | struct usb_request *in_req = fastboot_func->in_req; | |
310 | int ret; | |
311 | ||
312 | memcpy(in_req->buf, buffer, buffer_size); | |
313 | in_req->length = buffer_size; | |
314 | ret = usb_ep_queue(fastboot_func->in_ep, in_req, 0); | |
315 | if (ret) | |
316 | printf("Error %d on queue\n", ret); | |
317 | return 0; | |
318 | } | |
319 | ||
320 | static int fastboot_tx_write_str(const char *buffer) | |
321 | { | |
322 | return fastboot_tx_write(buffer, strlen(buffer)); | |
323 | } | |
324 | ||
325 | static void compl_do_reset(struct usb_ep *ep, struct usb_request *req) | |
326 | { | |
327 | do_reset(NULL, 0, 0, NULL); | |
328 | } | |
329 | ||
e2ec3e46 AF |
330 | int __weak fb_set_reboot_flag(void) |
331 | { | |
332 | return -ENOSYS; | |
333 | } | |
334 | ||
3aab70af SS |
335 | static void cb_reboot(struct usb_ep *ep, struct usb_request *req) |
336 | { | |
e2ec3e46 AF |
337 | char *cmd = req->buf; |
338 | if (!strcmp_l1("reboot-bootloader", cmd)) { | |
339 | if (fb_set_reboot_flag()) { | |
340 | fastboot_tx_write_str("FAILCannot set reboot flag"); | |
341 | return; | |
342 | } | |
343 | } | |
3aab70af SS |
344 | fastboot_func->in_req->complete = compl_do_reset; |
345 | fastboot_tx_write_str("OKAY"); | |
346 | } | |
347 | ||
348 | static int strcmp_l1(const char *s1, const char *s2) | |
349 | { | |
350 | if (!s1 || !s2) | |
351 | return -1; | |
352 | return strncmp(s1, s2, strlen(s1)); | |
353 | } | |
354 | ||
355 | static void cb_getvar(struct usb_ep *ep, struct usb_request *req) | |
356 | { | |
357 | char *cmd = req->buf; | |
358 | char response[RESPONSE_LEN]; | |
359 | const char *s; | |
29425be4 | 360 | size_t chars_left; |
3aab70af SS |
361 | |
362 | strcpy(response, "OKAY"); | |
29425be4 JH |
363 | chars_left = sizeof(response) - strlen(response) - 1; |
364 | ||
3aab70af SS |
365 | strsep(&cmd, ":"); |
366 | if (!cmd) { | |
593cbd93 | 367 | error("missing variable\n"); |
3aab70af SS |
368 | fastboot_tx_write_str("FAILmissing var"); |
369 | return; | |
370 | } | |
371 | ||
372 | if (!strcmp_l1("version", cmd)) { | |
29425be4 | 373 | strncat(response, FASTBOOT_VERSION, chars_left); |
3aab70af | 374 | } else if (!strcmp_l1("bootloader-version", cmd)) { |
29425be4 | 375 | strncat(response, U_BOOT_VERSION, chars_left); |
c674a666 EN |
376 | } else if (!strcmp_l1("downloadsize", cmd) || |
377 | !strcmp_l1("max-download-size", cmd)) { | |
3aab70af SS |
378 | char str_num[12]; |
379 | ||
84c24f66 | 380 | sprintf(str_num, "0x%08x", CONFIG_USB_FASTBOOT_BUF_SIZE); |
29425be4 | 381 | strncat(response, str_num, chars_left); |
3aab70af SS |
382 | } else if (!strcmp_l1("serialno", cmd)) { |
383 | s = getenv("serial#"); | |
384 | if (s) | |
29425be4 | 385 | strncat(response, s, chars_left); |
3aab70af SS |
386 | else |
387 | strcpy(response, "FAILValue not set"); | |
388 | } else { | |
593cbd93 | 389 | error("unknown variable: %s\n", cmd); |
3aab70af SS |
390 | strcpy(response, "FAILVariable not implemented"); |
391 | } | |
392 | fastboot_tx_write_str(response); | |
393 | } | |
394 | ||
9e4b510d | 395 | static unsigned int rx_bytes_expected(unsigned int maxpacket) |
3aab70af SS |
396 | { |
397 | int rx_remain = download_size - download_bytes; | |
9e4b510d | 398 | int rem = 0; |
3aab70af SS |
399 | if (rx_remain < 0) |
400 | return 0; | |
401 | if (rx_remain > EP_BUFFER_SIZE) | |
402 | return EP_BUFFER_SIZE; | |
9e4b510d DK |
403 | if (rx_remain < maxpacket) { |
404 | rx_remain = maxpacket; | |
405 | } else if (rx_remain % maxpacket != 0) { | |
406 | rem = rx_remain % maxpacket; | |
407 | rx_remain = rx_remain + (maxpacket - rem); | |
408 | } | |
3aab70af SS |
409 | return rx_remain; |
410 | } | |
411 | ||
412 | #define BYTES_PER_DOT 0x20000 | |
413 | static void rx_handler_dl_image(struct usb_ep *ep, struct usb_request *req) | |
414 | { | |
415 | char response[RESPONSE_LEN]; | |
416 | unsigned int transfer_size = download_size - download_bytes; | |
417 | const unsigned char *buffer = req->buf; | |
418 | unsigned int buffer_size = req->actual; | |
23d1d10c | 419 | unsigned int pre_dot_num, now_dot_num; |
9e4b510d | 420 | unsigned int max; |
3aab70af SS |
421 | |
422 | if (req->status != 0) { | |
423 | printf("Bad status: %d\n", req->status); | |
424 | return; | |
425 | } | |
426 | ||
427 | if (buffer_size < transfer_size) | |
428 | transfer_size = buffer_size; | |
429 | ||
430 | memcpy((void *)CONFIG_USB_FASTBOOT_BUF_ADDR + download_bytes, | |
431 | buffer, transfer_size); | |
432 | ||
23d1d10c | 433 | pre_dot_num = download_bytes / BYTES_PER_DOT; |
3aab70af | 434 | download_bytes += transfer_size; |
23d1d10c BS |
435 | now_dot_num = download_bytes / BYTES_PER_DOT; |
436 | ||
437 | if (pre_dot_num != now_dot_num) { | |
438 | putc('.'); | |
439 | if (!(now_dot_num % 74)) | |
440 | putc('\n'); | |
441 | } | |
3aab70af SS |
442 | |
443 | /* Check if transfer is done */ | |
444 | if (download_bytes >= download_size) { | |
445 | /* | |
446 | * Reset global transfer variable, keep download_bytes because | |
447 | * it will be used in the next possible flashing command | |
448 | */ | |
449 | download_size = 0; | |
450 | req->complete = rx_handler_command; | |
451 | req->length = EP_BUFFER_SIZE; | |
452 | ||
453 | sprintf(response, "OKAY"); | |
454 | fastboot_tx_write_str(response); | |
455 | ||
456 | printf("\ndownloading of %d bytes finished\n", download_bytes); | |
457 | } else { | |
9e4b510d DK |
458 | max = is_high_speed ? hs_ep_out.wMaxPacketSize : |
459 | fs_ep_out.wMaxPacketSize; | |
460 | req->length = rx_bytes_expected(max); | |
3aab70af SS |
461 | if (req->length < ep->maxpacket) |
462 | req->length = ep->maxpacket; | |
463 | } | |
464 | ||
3aab70af SS |
465 | req->actual = 0; |
466 | usb_ep_queue(ep, req, 0); | |
467 | } | |
468 | ||
469 | static void cb_download(struct usb_ep *ep, struct usb_request *req) | |
470 | { | |
471 | char *cmd = req->buf; | |
472 | char response[RESPONSE_LEN]; | |
9e4b510d | 473 | unsigned int max; |
3aab70af SS |
474 | |
475 | strsep(&cmd, ":"); | |
476 | download_size = simple_strtoul(cmd, NULL, 16); | |
477 | download_bytes = 0; | |
478 | ||
479 | printf("Starting download of %d bytes\n", download_size); | |
480 | ||
481 | if (0 == download_size) { | |
482 | sprintf(response, "FAILdata invalid size"); | |
483 | } else if (download_size > CONFIG_USB_FASTBOOT_BUF_SIZE) { | |
484 | download_size = 0; | |
485 | sprintf(response, "FAILdata too large"); | |
486 | } else { | |
487 | sprintf(response, "DATA%08x", download_size); | |
488 | req->complete = rx_handler_dl_image; | |
9e4b510d DK |
489 | max = is_high_speed ? hs_ep_out.wMaxPacketSize : |
490 | fs_ep_out.wMaxPacketSize; | |
491 | req->length = rx_bytes_expected(max); | |
3aab70af SS |
492 | if (req->length < ep->maxpacket) |
493 | req->length = ep->maxpacket; | |
494 | } | |
495 | fastboot_tx_write_str(response); | |
496 | } | |
497 | ||
498 | static void do_bootm_on_complete(struct usb_ep *ep, struct usb_request *req) | |
499 | { | |
500 | char boot_addr_start[12]; | |
501 | char *bootm_args[] = { "bootm", boot_addr_start, NULL }; | |
502 | ||
503 | puts("Booting kernel..\n"); | |
504 | ||
505 | sprintf(boot_addr_start, "0x%lx", load_addr); | |
506 | do_bootm(NULL, 0, 2, bootm_args); | |
507 | ||
508 | /* This only happens if image is somehow faulty so we start over */ | |
509 | do_reset(NULL, 0, 0, NULL); | |
510 | } | |
511 | ||
512 | static void cb_boot(struct usb_ep *ep, struct usb_request *req) | |
513 | { | |
514 | fastboot_func->in_req->complete = do_bootm_on_complete; | |
515 | fastboot_tx_write_str("OKAY"); | |
516 | } | |
517 | ||
267abc62 RH |
518 | static void do_exit_on_complete(struct usb_ep *ep, struct usb_request *req) |
519 | { | |
520 | g_dnl_trigger_detach(); | |
521 | } | |
522 | ||
523 | static void cb_continue(struct usb_ep *ep, struct usb_request *req) | |
524 | { | |
525 | fastboot_func->in_req->complete = do_exit_on_complete; | |
526 | fastboot_tx_write_str("OKAY"); | |
527 | } | |
528 | ||
d1b5ed07 SR |
529 | #ifdef CONFIG_FASTBOOT_FLASH |
530 | static void cb_flash(struct usb_ep *ep, struct usb_request *req) | |
531 | { | |
532 | char *cmd = req->buf; | |
533 | char response[RESPONSE_LEN]; | |
534 | ||
535 | strsep(&cmd, ":"); | |
536 | if (!cmd) { | |
593cbd93 | 537 | error("missing partition name\n"); |
d1b5ed07 SR |
538 | fastboot_tx_write_str("FAILmissing partition name"); |
539 | return; | |
540 | } | |
541 | ||
542 | strcpy(response, "FAILno flash device defined"); | |
543 | #ifdef CONFIG_FASTBOOT_FLASH_MMC_DEV | |
544 | fb_mmc_flash_write(cmd, (void *)CONFIG_USB_FASTBOOT_BUF_ADDR, | |
545 | download_bytes, response); | |
546 | #endif | |
547 | fastboot_tx_write_str(response); | |
548 | } | |
549 | #endif | |
550 | ||
de195620 MS |
551 | static void cb_oem(struct usb_ep *ep, struct usb_request *req) |
552 | { | |
553 | char *cmd = req->buf; | |
372d7dec RH |
554 | #ifdef CONFIG_FASTBOOT_FLASH |
555 | if (strncmp("format", cmd + 4, 6) == 0) { | |
556 | char cmdbuf[32]; | |
557 | sprintf(cmdbuf, "gpt write mmc %x $partitions", | |
558 | CONFIG_FASTBOOT_FLASH_MMC_DEV); | |
559 | if (run_command(cmdbuf, 0)) | |
560 | fastboot_tx_write_str("FAIL"); | |
561 | else | |
562 | fastboot_tx_write_str("OKAY"); | |
563 | } else | |
564 | #endif | |
de195620 MS |
565 | if (strncmp("unlock", cmd + 4, 8) == 0) { |
566 | fastboot_tx_write_str("FAILnot implemented"); | |
567 | } | |
568 | else { | |
569 | fastboot_tx_write_str("FAILunknown oem command"); | |
570 | } | |
571 | } | |
572 | ||
89792381 DK |
573 | #ifdef CONFIG_FASTBOOT_FLASH |
574 | static void cb_erase(struct usb_ep *ep, struct usb_request *req) | |
575 | { | |
576 | char *cmd = req->buf; | |
577 | char response[RESPONSE_LEN]; | |
578 | ||
579 | strsep(&cmd, ":"); | |
580 | if (!cmd) { | |
581 | error("missing partition name"); | |
582 | fastboot_tx_write_str("FAILmissing partition name"); | |
583 | return; | |
584 | } | |
585 | ||
586 | strcpy(response, "FAILno flash device defined"); | |
587 | ||
588 | #ifdef CONFIG_FASTBOOT_FLASH_MMC_DEV | |
589 | fb_mmc_erase(cmd, response); | |
590 | #endif | |
591 | fastboot_tx_write_str(response); | |
592 | } | |
593 | #endif | |
594 | ||
3aab70af SS |
595 | struct cmd_dispatch_info { |
596 | char *cmd; | |
597 | void (*cb)(struct usb_ep *ep, struct usb_request *req); | |
598 | }; | |
599 | ||
600 | static const struct cmd_dispatch_info cmd_dispatch_info[] = { | |
601 | { | |
602 | .cmd = "reboot", | |
603 | .cb = cb_reboot, | |
604 | }, { | |
605 | .cmd = "getvar:", | |
606 | .cb = cb_getvar, | |
607 | }, { | |
608 | .cmd = "download:", | |
609 | .cb = cb_download, | |
610 | }, { | |
611 | .cmd = "boot", | |
612 | .cb = cb_boot, | |
267abc62 RH |
613 | }, { |
614 | .cmd = "continue", | |
615 | .cb = cb_continue, | |
3aab70af | 616 | }, |
d1b5ed07 SR |
617 | #ifdef CONFIG_FASTBOOT_FLASH |
618 | { | |
619 | .cmd = "flash", | |
620 | .cb = cb_flash, | |
89792381 DK |
621 | }, { |
622 | .cmd = "erase", | |
623 | .cb = cb_erase, | |
d1b5ed07 SR |
624 | }, |
625 | #endif | |
de195620 MS |
626 | { |
627 | .cmd = "oem", | |
628 | .cb = cb_oem, | |
629 | }, | |
3aab70af SS |
630 | }; |
631 | ||
632 | static void rx_handler_command(struct usb_ep *ep, struct usb_request *req) | |
633 | { | |
634 | char *cmdbuf = req->buf; | |
635 | void (*func_cb)(struct usb_ep *ep, struct usb_request *req) = NULL; | |
636 | int i; | |
637 | ||
94b385fa PK |
638 | if (req->status != 0 || req->length == 0) |
639 | return; | |
640 | ||
3aab70af SS |
641 | for (i = 0; i < ARRAY_SIZE(cmd_dispatch_info); i++) { |
642 | if (!strcmp_l1(cmd_dispatch_info[i].cmd, cmdbuf)) { | |
643 | func_cb = cmd_dispatch_info[i].cb; | |
644 | break; | |
645 | } | |
646 | } | |
647 | ||
593cbd93 SR |
648 | if (!func_cb) { |
649 | error("unknown command: %s\n", cmdbuf); | |
3aab70af | 650 | fastboot_tx_write_str("FAILunknown command"); |
593cbd93 | 651 | } else { |
e2140588 EN |
652 | if (req->actual < req->length) { |
653 | u8 *buf = (u8 *)req->buf; | |
654 | buf[req->actual] = 0; | |
655 | func_cb(ep, req); | |
656 | } else { | |
657 | error("buffer overflow\n"); | |
658 | fastboot_tx_write_str("FAILbuffer overflow"); | |
659 | } | |
593cbd93 | 660 | } |
3aab70af | 661 | |
94b385fa PK |
662 | *cmdbuf = '\0'; |
663 | req->actual = 0; | |
664 | usb_ep_queue(ep, req, 0); | |
3aab70af | 665 | } |