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Commit | Line | Data |
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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> | |
3c8f98f5 | 16 | #include <fastboot.h> |
3aab70af SS |
17 | #include <malloc.h> |
18 | #include <linux/usb/ch9.h> | |
19 | #include <linux/usb/gadget.h> | |
20 | #include <linux/usb/composite.h> | |
21 | #include <linux/compiler.h> | |
22 | #include <version.h> | |
23 | #include <g_dnl.h> | |
d1b5ed07 SR |
24 | #ifdef CONFIG_FASTBOOT_FLASH_MMC_DEV |
25 | #include <fb_mmc.h> | |
26 | #endif | |
bf8940d3 MR |
27 | #ifdef CONFIG_FASTBOOT_FLASH_NAND_DEV |
28 | #include <fb_nand.h> | |
29 | #endif | |
3aab70af SS |
30 | |
31 | #define FASTBOOT_VERSION "0.4" | |
32 | ||
33 | #define FASTBOOT_INTERFACE_CLASS 0xff | |
34 | #define FASTBOOT_INTERFACE_SUB_CLASS 0x42 | |
35 | #define FASTBOOT_INTERFACE_PROTOCOL 0x03 | |
36 | ||
37 | #define RX_ENDPOINT_MAXIMUM_PACKET_SIZE_2_0 (0x0200) | |
38 | #define RX_ENDPOINT_MAXIMUM_PACKET_SIZE_1_1 (0x0040) | |
39 | #define TX_ENDPOINT_MAXIMUM_PACKET_SIZE (0x0040) | |
40 | ||
3aab70af SS |
41 | #define EP_BUFFER_SIZE 4096 |
42 | ||
43 | struct f_fastboot { | |
44 | struct usb_function usb_function; | |
45 | ||
593cbd93 | 46 | /* IN/OUT EP's and corresponding requests */ |
3aab70af SS |
47 | struct usb_ep *in_ep, *out_ep; |
48 | struct usb_request *in_req, *out_req; | |
49 | }; | |
50 | ||
51 | static inline struct f_fastboot *func_to_fastboot(struct usb_function *f) | |
52 | { | |
53 | return container_of(f, struct f_fastboot, usb_function); | |
54 | } | |
55 | ||
56 | static struct f_fastboot *fastboot_func; | |
6c9e00ee | 57 | static unsigned int fastboot_flash_session_id; |
3aab70af SS |
58 | static unsigned int download_size; |
59 | static unsigned int download_bytes; | |
9e4b510d | 60 | static bool is_high_speed; |
3aab70af SS |
61 | |
62 | static struct usb_endpoint_descriptor fs_ep_in = { | |
63 | .bLength = USB_DT_ENDPOINT_SIZE, | |
64 | .bDescriptorType = USB_DT_ENDPOINT, | |
65 | .bEndpointAddress = USB_DIR_IN, | |
66 | .bmAttributes = USB_ENDPOINT_XFER_BULK, | |
67 | .wMaxPacketSize = TX_ENDPOINT_MAXIMUM_PACKET_SIZE, | |
68 | .bInterval = 0x00, | |
69 | }; | |
70 | ||
71 | static struct usb_endpoint_descriptor fs_ep_out = { | |
72 | .bLength = USB_DT_ENDPOINT_SIZE, | |
73 | .bDescriptorType = USB_DT_ENDPOINT, | |
74 | .bEndpointAddress = USB_DIR_OUT, | |
75 | .bmAttributes = USB_ENDPOINT_XFER_BULK, | |
76 | .wMaxPacketSize = RX_ENDPOINT_MAXIMUM_PACKET_SIZE_1_1, | |
77 | .bInterval = 0x00, | |
78 | }; | |
79 | ||
80 | static struct usb_endpoint_descriptor hs_ep_out = { | |
81 | .bLength = USB_DT_ENDPOINT_SIZE, | |
82 | .bDescriptorType = USB_DT_ENDPOINT, | |
83 | .bEndpointAddress = USB_DIR_OUT, | |
84 | .bmAttributes = USB_ENDPOINT_XFER_BULK, | |
85 | .wMaxPacketSize = RX_ENDPOINT_MAXIMUM_PACKET_SIZE_2_0, | |
86 | .bInterval = 0x00, | |
87 | }; | |
88 | ||
89 | static struct usb_interface_descriptor interface_desc = { | |
90 | .bLength = USB_DT_INTERFACE_SIZE, | |
91 | .bDescriptorType = USB_DT_INTERFACE, | |
92 | .bInterfaceNumber = 0x00, | |
93 | .bAlternateSetting = 0x00, | |
94 | .bNumEndpoints = 0x02, | |
95 | .bInterfaceClass = FASTBOOT_INTERFACE_CLASS, | |
96 | .bInterfaceSubClass = FASTBOOT_INTERFACE_SUB_CLASS, | |
97 | .bInterfaceProtocol = FASTBOOT_INTERFACE_PROTOCOL, | |
98 | }; | |
99 | ||
100 | static struct usb_descriptor_header *fb_runtime_descs[] = { | |
101 | (struct usb_descriptor_header *)&interface_desc, | |
102 | (struct usb_descriptor_header *)&fs_ep_in, | |
103 | (struct usb_descriptor_header *)&hs_ep_out, | |
104 | NULL, | |
105 | }; | |
106 | ||
107 | /* | |
108 | * static strings, in UTF-8 | |
109 | */ | |
110 | static const char fastboot_name[] = "Android Fastboot"; | |
111 | ||
112 | static struct usb_string fastboot_string_defs[] = { | |
113 | [0].s = fastboot_name, | |
114 | { } /* end of list */ | |
115 | }; | |
116 | ||
117 | static struct usb_gadget_strings stringtab_fastboot = { | |
118 | .language = 0x0409, /* en-us */ | |
119 | .strings = fastboot_string_defs, | |
120 | }; | |
121 | ||
122 | static struct usb_gadget_strings *fastboot_strings[] = { | |
123 | &stringtab_fastboot, | |
124 | NULL, | |
125 | }; | |
126 | ||
127 | static void rx_handler_command(struct usb_ep *ep, struct usb_request *req); | |
e2ec3e46 | 128 | static int strcmp_l1(const char *s1, const char *s2); |
3aab70af | 129 | |
3c8f98f5 MR |
130 | |
131 | void fastboot_fail(char *response, const char *reason) | |
132 | { | |
133 | strncpy(response, "FAIL\0", 5); | |
134 | strncat(response, reason, FASTBOOT_RESPONSE_LEN - 4 - 1); | |
135 | } | |
136 | ||
137 | void fastboot_okay(char *response, const char *reason) | |
138 | { | |
139 | strncpy(response, "OKAY\0", 5); | |
140 | strncat(response, reason, FASTBOOT_RESPONSE_LEN - 4 - 1); | |
141 | } | |
142 | ||
3aab70af SS |
143 | static void fastboot_complete(struct usb_ep *ep, struct usb_request *req) |
144 | { | |
145 | int status = req->status; | |
146 | if (!status) | |
147 | return; | |
148 | printf("status: %d ep '%s' trans: %d\n", status, ep->name, req->actual); | |
149 | } | |
150 | ||
151 | static int fastboot_bind(struct usb_configuration *c, struct usb_function *f) | |
152 | { | |
153 | int id; | |
154 | struct usb_gadget *gadget = c->cdev->gadget; | |
155 | struct f_fastboot *f_fb = func_to_fastboot(f); | |
537cd072 | 156 | const char *s; |
3aab70af SS |
157 | |
158 | /* DYNAMIC interface numbers assignments */ | |
159 | id = usb_interface_id(c, f); | |
160 | if (id < 0) | |
161 | return id; | |
162 | interface_desc.bInterfaceNumber = id; | |
163 | ||
164 | id = usb_string_id(c->cdev); | |
165 | if (id < 0) | |
166 | return id; | |
167 | fastboot_string_defs[0].id = id; | |
168 | interface_desc.iInterface = id; | |
169 | ||
170 | f_fb->in_ep = usb_ep_autoconfig(gadget, &fs_ep_in); | |
171 | if (!f_fb->in_ep) | |
172 | return -ENODEV; | |
173 | f_fb->in_ep->driver_data = c->cdev; | |
174 | ||
175 | f_fb->out_ep = usb_ep_autoconfig(gadget, &fs_ep_out); | |
176 | if (!f_fb->out_ep) | |
177 | return -ENODEV; | |
178 | f_fb->out_ep->driver_data = c->cdev; | |
179 | ||
180 | hs_ep_out.bEndpointAddress = fs_ep_out.bEndpointAddress; | |
181 | ||
537cd072 DK |
182 | s = getenv("serial#"); |
183 | if (s) | |
184 | g_dnl_set_serialnumber((char *)s); | |
185 | ||
3aab70af SS |
186 | return 0; |
187 | } | |
188 | ||
189 | static void fastboot_unbind(struct usb_configuration *c, struct usb_function *f) | |
190 | { | |
191 | memset(fastboot_func, 0, sizeof(*fastboot_func)); | |
192 | } | |
193 | ||
194 | static void fastboot_disable(struct usb_function *f) | |
195 | { | |
196 | struct f_fastboot *f_fb = func_to_fastboot(f); | |
197 | ||
198 | usb_ep_disable(f_fb->out_ep); | |
199 | usb_ep_disable(f_fb->in_ep); | |
200 | ||
201 | if (f_fb->out_req) { | |
202 | free(f_fb->out_req->buf); | |
203 | usb_ep_free_request(f_fb->out_ep, f_fb->out_req); | |
204 | f_fb->out_req = NULL; | |
205 | } | |
206 | if (f_fb->in_req) { | |
207 | free(f_fb->in_req->buf); | |
208 | usb_ep_free_request(f_fb->in_ep, f_fb->in_req); | |
209 | f_fb->in_req = NULL; | |
210 | } | |
211 | } | |
212 | ||
213 | static struct usb_request *fastboot_start_ep(struct usb_ep *ep) | |
214 | { | |
215 | struct usb_request *req; | |
216 | ||
217 | req = usb_ep_alloc_request(ep, 0); | |
218 | if (!req) | |
219 | return NULL; | |
220 | ||
221 | req->length = EP_BUFFER_SIZE; | |
222 | req->buf = memalign(CONFIG_SYS_CACHELINE_SIZE, EP_BUFFER_SIZE); | |
223 | if (!req->buf) { | |
224 | usb_ep_free_request(ep, req); | |
225 | return NULL; | |
226 | } | |
227 | ||
228 | memset(req->buf, 0, req->length); | |
229 | return req; | |
230 | } | |
231 | ||
232 | static int fastboot_set_alt(struct usb_function *f, | |
233 | unsigned interface, unsigned alt) | |
234 | { | |
235 | int ret; | |
236 | struct usb_composite_dev *cdev = f->config->cdev; | |
237 | struct usb_gadget *gadget = cdev->gadget; | |
238 | struct f_fastboot *f_fb = func_to_fastboot(f); | |
239 | ||
240 | debug("%s: func: %s intf: %d alt: %d\n", | |
241 | __func__, f->name, interface, alt); | |
242 | ||
243 | /* make sure we don't enable the ep twice */ | |
9e4b510d | 244 | if (gadget->speed == USB_SPEED_HIGH) { |
3aab70af | 245 | ret = usb_ep_enable(f_fb->out_ep, &hs_ep_out); |
9e4b510d DK |
246 | is_high_speed = true; |
247 | } else { | |
3aab70af | 248 | ret = usb_ep_enable(f_fb->out_ep, &fs_ep_out); |
9e4b510d DK |
249 | is_high_speed = false; |
250 | } | |
3aab70af SS |
251 | if (ret) { |
252 | puts("failed to enable out ep\n"); | |
253 | return ret; | |
254 | } | |
255 | ||
256 | f_fb->out_req = fastboot_start_ep(f_fb->out_ep); | |
257 | if (!f_fb->out_req) { | |
258 | puts("failed to alloc out req\n"); | |
259 | ret = -EINVAL; | |
260 | goto err; | |
261 | } | |
262 | f_fb->out_req->complete = rx_handler_command; | |
263 | ||
264 | ret = usb_ep_enable(f_fb->in_ep, &fs_ep_in); | |
265 | if (ret) { | |
266 | puts("failed to enable in ep\n"); | |
267 | goto err; | |
268 | } | |
269 | ||
270 | f_fb->in_req = fastboot_start_ep(f_fb->in_ep); | |
271 | if (!f_fb->in_req) { | |
272 | puts("failed alloc req in\n"); | |
273 | ret = -EINVAL; | |
274 | goto err; | |
275 | } | |
276 | f_fb->in_req->complete = fastboot_complete; | |
277 | ||
278 | ret = usb_ep_queue(f_fb->out_ep, f_fb->out_req, 0); | |
279 | if (ret) | |
280 | goto err; | |
281 | ||
282 | return 0; | |
283 | err: | |
284 | fastboot_disable(f); | |
285 | return ret; | |
286 | } | |
287 | ||
288 | static int fastboot_add(struct usb_configuration *c) | |
289 | { | |
290 | struct f_fastboot *f_fb = fastboot_func; | |
291 | int status; | |
292 | ||
293 | debug("%s: cdev: 0x%p\n", __func__, c->cdev); | |
294 | ||
295 | if (!f_fb) { | |
296 | f_fb = memalign(CONFIG_SYS_CACHELINE_SIZE, sizeof(*f_fb)); | |
297 | if (!f_fb) | |
298 | return -ENOMEM; | |
299 | ||
300 | fastboot_func = f_fb; | |
301 | memset(f_fb, 0, sizeof(*f_fb)); | |
302 | } | |
303 | ||
304 | f_fb->usb_function.name = "f_fastboot"; | |
305 | f_fb->usb_function.hs_descriptors = fb_runtime_descs; | |
306 | f_fb->usb_function.bind = fastboot_bind; | |
307 | f_fb->usb_function.unbind = fastboot_unbind; | |
308 | f_fb->usb_function.set_alt = fastboot_set_alt; | |
309 | f_fb->usb_function.disable = fastboot_disable; | |
310 | f_fb->usb_function.strings = fastboot_strings; | |
311 | ||
312 | status = usb_add_function(c, &f_fb->usb_function); | |
313 | if (status) { | |
314 | free(f_fb); | |
315 | fastboot_func = f_fb; | |
316 | } | |
317 | ||
318 | return status; | |
319 | } | |
320 | DECLARE_GADGET_BIND_CALLBACK(usb_dnl_fastboot, fastboot_add); | |
321 | ||
593cbd93 | 322 | static int fastboot_tx_write(const char *buffer, unsigned int buffer_size) |
3aab70af SS |
323 | { |
324 | struct usb_request *in_req = fastboot_func->in_req; | |
325 | int ret; | |
326 | ||
327 | memcpy(in_req->buf, buffer, buffer_size); | |
328 | in_req->length = buffer_size; | |
bc9071c9 PK |
329 | |
330 | usb_ep_dequeue(fastboot_func->in_ep, in_req); | |
331 | ||
3aab70af SS |
332 | ret = usb_ep_queue(fastboot_func->in_ep, in_req, 0); |
333 | if (ret) | |
334 | printf("Error %d on queue\n", ret); | |
335 | return 0; | |
336 | } | |
337 | ||
338 | static int fastboot_tx_write_str(const char *buffer) | |
339 | { | |
340 | return fastboot_tx_write(buffer, strlen(buffer)); | |
341 | } | |
342 | ||
343 | static void compl_do_reset(struct usb_ep *ep, struct usb_request *req) | |
344 | { | |
345 | do_reset(NULL, 0, 0, NULL); | |
346 | } | |
347 | ||
e2ec3e46 AF |
348 | int __weak fb_set_reboot_flag(void) |
349 | { | |
350 | return -ENOSYS; | |
351 | } | |
352 | ||
3aab70af SS |
353 | static void cb_reboot(struct usb_ep *ep, struct usb_request *req) |
354 | { | |
e2ec3e46 AF |
355 | char *cmd = req->buf; |
356 | if (!strcmp_l1("reboot-bootloader", cmd)) { | |
357 | if (fb_set_reboot_flag()) { | |
358 | fastboot_tx_write_str("FAILCannot set reboot flag"); | |
359 | return; | |
360 | } | |
361 | } | |
3aab70af SS |
362 | fastboot_func->in_req->complete = compl_do_reset; |
363 | fastboot_tx_write_str("OKAY"); | |
364 | } | |
365 | ||
366 | static int strcmp_l1(const char *s1, const char *s2) | |
367 | { | |
368 | if (!s1 || !s2) | |
369 | return -1; | |
370 | return strncmp(s1, s2, strlen(s1)); | |
371 | } | |
372 | ||
373 | static void cb_getvar(struct usb_ep *ep, struct usb_request *req) | |
374 | { | |
375 | char *cmd = req->buf; | |
3c8f98f5 | 376 | char response[FASTBOOT_RESPONSE_LEN]; |
3aab70af | 377 | const char *s; |
29425be4 | 378 | size_t chars_left; |
3aab70af SS |
379 | |
380 | strcpy(response, "OKAY"); | |
29425be4 JH |
381 | chars_left = sizeof(response) - strlen(response) - 1; |
382 | ||
3aab70af SS |
383 | strsep(&cmd, ":"); |
384 | if (!cmd) { | |
593cbd93 | 385 | error("missing variable\n"); |
3aab70af SS |
386 | fastboot_tx_write_str("FAILmissing var"); |
387 | return; | |
388 | } | |
389 | ||
390 | if (!strcmp_l1("version", cmd)) { | |
29425be4 | 391 | strncat(response, FASTBOOT_VERSION, chars_left); |
3aab70af | 392 | } else if (!strcmp_l1("bootloader-version", cmd)) { |
29425be4 | 393 | strncat(response, U_BOOT_VERSION, chars_left); |
c674a666 EN |
394 | } else if (!strcmp_l1("downloadsize", cmd) || |
395 | !strcmp_l1("max-download-size", cmd)) { | |
3aab70af SS |
396 | char str_num[12]; |
397 | ||
a588d99a | 398 | sprintf(str_num, "0x%08x", CONFIG_FASTBOOT_BUF_SIZE); |
29425be4 | 399 | strncat(response, str_num, chars_left); |
6c9e00ee MR |
400 | |
401 | /* | |
402 | * This also indicates the start of a new flashing | |
403 | * "session", in which we could have 1-N buffers to | |
404 | * write to a partition. | |
405 | * | |
406 | * Reset our session counter. | |
407 | */ | |
408 | fastboot_flash_session_id = 0; | |
3aab70af SS |
409 | } else if (!strcmp_l1("serialno", cmd)) { |
410 | s = getenv("serial#"); | |
411 | if (s) | |
29425be4 | 412 | strncat(response, s, chars_left); |
3aab70af SS |
413 | else |
414 | strcpy(response, "FAILValue not set"); | |
415 | } else { | |
593cbd93 | 416 | error("unknown variable: %s\n", cmd); |
3aab70af SS |
417 | strcpy(response, "FAILVariable not implemented"); |
418 | } | |
419 | fastboot_tx_write_str(response); | |
420 | } | |
421 | ||
9e4b510d | 422 | static unsigned int rx_bytes_expected(unsigned int maxpacket) |
3aab70af SS |
423 | { |
424 | int rx_remain = download_size - download_bytes; | |
9e4b510d | 425 | int rem = 0; |
3aab70af SS |
426 | if (rx_remain < 0) |
427 | return 0; | |
428 | if (rx_remain > EP_BUFFER_SIZE) | |
429 | return EP_BUFFER_SIZE; | |
9e4b510d DK |
430 | if (rx_remain < maxpacket) { |
431 | rx_remain = maxpacket; | |
432 | } else if (rx_remain % maxpacket != 0) { | |
433 | rem = rx_remain % maxpacket; | |
434 | rx_remain = rx_remain + (maxpacket - rem); | |
435 | } | |
3aab70af SS |
436 | return rx_remain; |
437 | } | |
438 | ||
439 | #define BYTES_PER_DOT 0x20000 | |
440 | static void rx_handler_dl_image(struct usb_ep *ep, struct usb_request *req) | |
441 | { | |
3c8f98f5 | 442 | char response[FASTBOOT_RESPONSE_LEN]; |
3aab70af SS |
443 | unsigned int transfer_size = download_size - download_bytes; |
444 | const unsigned char *buffer = req->buf; | |
445 | unsigned int buffer_size = req->actual; | |
23d1d10c | 446 | unsigned int pre_dot_num, now_dot_num; |
9e4b510d | 447 | unsigned int max; |
3aab70af SS |
448 | |
449 | if (req->status != 0) { | |
450 | printf("Bad status: %d\n", req->status); | |
451 | return; | |
452 | } | |
453 | ||
454 | if (buffer_size < transfer_size) | |
455 | transfer_size = buffer_size; | |
456 | ||
a588d99a | 457 | memcpy((void *)CONFIG_FASTBOOT_BUF_ADDR + download_bytes, |
3aab70af SS |
458 | buffer, transfer_size); |
459 | ||
23d1d10c | 460 | pre_dot_num = download_bytes / BYTES_PER_DOT; |
3aab70af | 461 | download_bytes += transfer_size; |
23d1d10c BS |
462 | now_dot_num = download_bytes / BYTES_PER_DOT; |
463 | ||
464 | if (pre_dot_num != now_dot_num) { | |
465 | putc('.'); | |
466 | if (!(now_dot_num % 74)) | |
467 | putc('\n'); | |
468 | } | |
3aab70af SS |
469 | |
470 | /* Check if transfer is done */ | |
471 | if (download_bytes >= download_size) { | |
472 | /* | |
473 | * Reset global transfer variable, keep download_bytes because | |
474 | * it will be used in the next possible flashing command | |
475 | */ | |
476 | download_size = 0; | |
477 | req->complete = rx_handler_command; | |
478 | req->length = EP_BUFFER_SIZE; | |
479 | ||
192bc694 | 480 | strcpy(response, "OKAY"); |
3aab70af SS |
481 | fastboot_tx_write_str(response); |
482 | ||
483 | printf("\ndownloading of %d bytes finished\n", download_bytes); | |
484 | } else { | |
9e4b510d DK |
485 | max = is_high_speed ? hs_ep_out.wMaxPacketSize : |
486 | fs_ep_out.wMaxPacketSize; | |
487 | req->length = rx_bytes_expected(max); | |
3aab70af SS |
488 | if (req->length < ep->maxpacket) |
489 | req->length = ep->maxpacket; | |
490 | } | |
491 | ||
3aab70af SS |
492 | req->actual = 0; |
493 | usb_ep_queue(ep, req, 0); | |
494 | } | |
495 | ||
496 | static void cb_download(struct usb_ep *ep, struct usb_request *req) | |
497 | { | |
498 | char *cmd = req->buf; | |
3c8f98f5 | 499 | char response[FASTBOOT_RESPONSE_LEN]; |
9e4b510d | 500 | unsigned int max; |
3aab70af SS |
501 | |
502 | strsep(&cmd, ":"); | |
503 | download_size = simple_strtoul(cmd, NULL, 16); | |
504 | download_bytes = 0; | |
505 | ||
506 | printf("Starting download of %d bytes\n", download_size); | |
507 | ||
508 | if (0 == download_size) { | |
192bc694 | 509 | strcpy(response, "FAILdata invalid size"); |
a588d99a | 510 | } else if (download_size > CONFIG_FASTBOOT_BUF_SIZE) { |
3aab70af | 511 | download_size = 0; |
192bc694 | 512 | strcpy(response, "FAILdata too large"); |
3aab70af SS |
513 | } else { |
514 | sprintf(response, "DATA%08x", download_size); | |
515 | req->complete = rx_handler_dl_image; | |
9e4b510d DK |
516 | max = is_high_speed ? hs_ep_out.wMaxPacketSize : |
517 | fs_ep_out.wMaxPacketSize; | |
518 | req->length = rx_bytes_expected(max); | |
3aab70af SS |
519 | if (req->length < ep->maxpacket) |
520 | req->length = ep->maxpacket; | |
521 | } | |
522 | fastboot_tx_write_str(response); | |
523 | } | |
524 | ||
525 | static void do_bootm_on_complete(struct usb_ep *ep, struct usb_request *req) | |
526 | { | |
527 | char boot_addr_start[12]; | |
528 | char *bootm_args[] = { "bootm", boot_addr_start, NULL }; | |
529 | ||
530 | puts("Booting kernel..\n"); | |
531 | ||
532 | sprintf(boot_addr_start, "0x%lx", load_addr); | |
533 | do_bootm(NULL, 0, 2, bootm_args); | |
534 | ||
535 | /* This only happens if image is somehow faulty so we start over */ | |
536 | do_reset(NULL, 0, 0, NULL); | |
537 | } | |
538 | ||
539 | static void cb_boot(struct usb_ep *ep, struct usb_request *req) | |
540 | { | |
541 | fastboot_func->in_req->complete = do_bootm_on_complete; | |
542 | fastboot_tx_write_str("OKAY"); | |
543 | } | |
544 | ||
267abc62 RH |
545 | static void do_exit_on_complete(struct usb_ep *ep, struct usb_request *req) |
546 | { | |
547 | g_dnl_trigger_detach(); | |
548 | } | |
549 | ||
550 | static void cb_continue(struct usb_ep *ep, struct usb_request *req) | |
551 | { | |
552 | fastboot_func->in_req->complete = do_exit_on_complete; | |
553 | fastboot_tx_write_str("OKAY"); | |
554 | } | |
555 | ||
d1b5ed07 SR |
556 | #ifdef CONFIG_FASTBOOT_FLASH |
557 | static void cb_flash(struct usb_ep *ep, struct usb_request *req) | |
558 | { | |
559 | char *cmd = req->buf; | |
3c8f98f5 | 560 | char response[FASTBOOT_RESPONSE_LEN]; |
d1b5ed07 SR |
561 | |
562 | strsep(&cmd, ":"); | |
563 | if (!cmd) { | |
593cbd93 | 564 | error("missing partition name\n"); |
d1b5ed07 SR |
565 | fastboot_tx_write_str("FAILmissing partition name"); |
566 | return; | |
567 | } | |
568 | ||
569 | strcpy(response, "FAILno flash device defined"); | |
570 | #ifdef CONFIG_FASTBOOT_FLASH_MMC_DEV | |
6c9e00ee MR |
571 | fb_mmc_flash_write(cmd, fastboot_flash_session_id, |
572 | (void *)CONFIG_FASTBOOT_BUF_ADDR, | |
d1b5ed07 | 573 | download_bytes, response); |
bf8940d3 MR |
574 | #endif |
575 | #ifdef CONFIG_FASTBOOT_FLASH_NAND_DEV | |
576 | fb_nand_flash_write(cmd, fastboot_flash_session_id, | |
577 | (void *)CONFIG_FASTBOOT_BUF_ADDR, | |
578 | download_bytes, response); | |
d1b5ed07 | 579 | #endif |
6c9e00ee | 580 | fastboot_flash_session_id++; |
d1b5ed07 SR |
581 | fastboot_tx_write_str(response); |
582 | } | |
583 | #endif | |
584 | ||
de195620 MS |
585 | static void cb_oem(struct usb_ep *ep, struct usb_request *req) |
586 | { | |
587 | char *cmd = req->buf; | |
4adef270 | 588 | #ifdef CONFIG_FASTBOOT_FLASH_MMC_DEV |
372d7dec RH |
589 | if (strncmp("format", cmd + 4, 6) == 0) { |
590 | char cmdbuf[32]; | |
591 | sprintf(cmdbuf, "gpt write mmc %x $partitions", | |
592 | CONFIG_FASTBOOT_FLASH_MMC_DEV); | |
593 | if (run_command(cmdbuf, 0)) | |
594 | fastboot_tx_write_str("FAIL"); | |
595 | else | |
596 | fastboot_tx_write_str("OKAY"); | |
597 | } else | |
598 | #endif | |
de195620 MS |
599 | if (strncmp("unlock", cmd + 4, 8) == 0) { |
600 | fastboot_tx_write_str("FAILnot implemented"); | |
601 | } | |
602 | else { | |
603 | fastboot_tx_write_str("FAILunknown oem command"); | |
604 | } | |
605 | } | |
606 | ||
89792381 DK |
607 | #ifdef CONFIG_FASTBOOT_FLASH |
608 | static void cb_erase(struct usb_ep *ep, struct usb_request *req) | |
609 | { | |
610 | char *cmd = req->buf; | |
3c8f98f5 | 611 | char response[FASTBOOT_RESPONSE_LEN]; |
89792381 DK |
612 | |
613 | strsep(&cmd, ":"); | |
614 | if (!cmd) { | |
615 | error("missing partition name"); | |
616 | fastboot_tx_write_str("FAILmissing partition name"); | |
617 | return; | |
618 | } | |
619 | ||
620 | strcpy(response, "FAILno flash device defined"); | |
621 | ||
622 | #ifdef CONFIG_FASTBOOT_FLASH_MMC_DEV | |
623 | fb_mmc_erase(cmd, response); | |
bf8940d3 MR |
624 | #endif |
625 | #ifdef CONFIG_FASTBOOT_FLASH_NAND_DEV | |
626 | fb_nand_erase(cmd, response); | |
89792381 DK |
627 | #endif |
628 | fastboot_tx_write_str(response); | |
629 | } | |
630 | #endif | |
631 | ||
3aab70af SS |
632 | struct cmd_dispatch_info { |
633 | char *cmd; | |
634 | void (*cb)(struct usb_ep *ep, struct usb_request *req); | |
635 | }; | |
636 | ||
637 | static const struct cmd_dispatch_info cmd_dispatch_info[] = { | |
638 | { | |
639 | .cmd = "reboot", | |
640 | .cb = cb_reboot, | |
641 | }, { | |
642 | .cmd = "getvar:", | |
643 | .cb = cb_getvar, | |
644 | }, { | |
645 | .cmd = "download:", | |
646 | .cb = cb_download, | |
647 | }, { | |
648 | .cmd = "boot", | |
649 | .cb = cb_boot, | |
267abc62 RH |
650 | }, { |
651 | .cmd = "continue", | |
652 | .cb = cb_continue, | |
3aab70af | 653 | }, |
d1b5ed07 SR |
654 | #ifdef CONFIG_FASTBOOT_FLASH |
655 | { | |
656 | .cmd = "flash", | |
657 | .cb = cb_flash, | |
89792381 DK |
658 | }, { |
659 | .cmd = "erase", | |
660 | .cb = cb_erase, | |
d1b5ed07 SR |
661 | }, |
662 | #endif | |
de195620 MS |
663 | { |
664 | .cmd = "oem", | |
665 | .cb = cb_oem, | |
666 | }, | |
3aab70af SS |
667 | }; |
668 | ||
669 | static void rx_handler_command(struct usb_ep *ep, struct usb_request *req) | |
670 | { | |
671 | char *cmdbuf = req->buf; | |
672 | void (*func_cb)(struct usb_ep *ep, struct usb_request *req) = NULL; | |
673 | int i; | |
674 | ||
94b385fa PK |
675 | if (req->status != 0 || req->length == 0) |
676 | return; | |
677 | ||
3aab70af SS |
678 | for (i = 0; i < ARRAY_SIZE(cmd_dispatch_info); i++) { |
679 | if (!strcmp_l1(cmd_dispatch_info[i].cmd, cmdbuf)) { | |
680 | func_cb = cmd_dispatch_info[i].cb; | |
681 | break; | |
682 | } | |
683 | } | |
684 | ||
593cbd93 SR |
685 | if (!func_cb) { |
686 | error("unknown command: %s\n", cmdbuf); | |
3aab70af | 687 | fastboot_tx_write_str("FAILunknown command"); |
593cbd93 | 688 | } else { |
e2140588 EN |
689 | if (req->actual < req->length) { |
690 | u8 *buf = (u8 *)req->buf; | |
691 | buf[req->actual] = 0; | |
692 | func_cb(ep, req); | |
693 | } else { | |
694 | error("buffer overflow\n"); | |
695 | fastboot_tx_write_str("FAILbuffer overflow"); | |
696 | } | |
593cbd93 | 697 | } |
3aab70af | 698 | |
94b385fa PK |
699 | *cmdbuf = '\0'; |
700 | req->actual = 0; | |
701 | usb_ep_queue(ep, req, 0); | |
3aab70af | 702 | } |