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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 | 41 | #define EP_BUFFER_SIZE 4096 |
ac484c5a RQ |
42 | /* |
43 | * EP_BUFFER_SIZE must always be an integral multiple of maxpacket size | |
44 | * (64 or 512 or 1024), else we break on certain controllers like DWC3 | |
45 | * that expect bulk OUT requests to be divisible by maxpacket size. | |
46 | */ | |
3aab70af SS |
47 | |
48 | struct f_fastboot { | |
49 | struct usb_function usb_function; | |
50 | ||
593cbd93 | 51 | /* IN/OUT EP's and corresponding requests */ |
3aab70af SS |
52 | struct usb_ep *in_ep, *out_ep; |
53 | struct usb_request *in_req, *out_req; | |
54 | }; | |
55 | ||
56 | static inline struct f_fastboot *func_to_fastboot(struct usb_function *f) | |
57 | { | |
58 | return container_of(f, struct f_fastboot, usb_function); | |
59 | } | |
60 | ||
61 | static struct f_fastboot *fastboot_func; | |
62 | static unsigned int download_size; | |
63 | static unsigned int download_bytes; | |
64 | ||
65 | static struct usb_endpoint_descriptor fs_ep_in = { | |
66 | .bLength = USB_DT_ENDPOINT_SIZE, | |
67 | .bDescriptorType = USB_DT_ENDPOINT, | |
68 | .bEndpointAddress = USB_DIR_IN, | |
69 | .bmAttributes = USB_ENDPOINT_XFER_BULK, | |
718156ad | 70 | .wMaxPacketSize = cpu_to_le16(64), |
3aab70af SS |
71 | }; |
72 | ||
73 | static struct usb_endpoint_descriptor fs_ep_out = { | |
74 | .bLength = USB_DT_ENDPOINT_SIZE, | |
75 | .bDescriptorType = USB_DT_ENDPOINT, | |
76 | .bEndpointAddress = USB_DIR_OUT, | |
77 | .bmAttributes = USB_ENDPOINT_XFER_BULK, | |
718156ad RQ |
78 | .wMaxPacketSize = cpu_to_le16(64), |
79 | }; | |
80 | ||
81 | static struct usb_endpoint_descriptor hs_ep_in = { | |
82 | .bLength = USB_DT_ENDPOINT_SIZE, | |
83 | .bDescriptorType = USB_DT_ENDPOINT, | |
84 | .bEndpointAddress = USB_DIR_IN, | |
85 | .bmAttributes = USB_ENDPOINT_XFER_BULK, | |
86 | .wMaxPacketSize = cpu_to_le16(512), | |
3aab70af SS |
87 | }; |
88 | ||
89 | static struct usb_endpoint_descriptor hs_ep_out = { | |
90 | .bLength = USB_DT_ENDPOINT_SIZE, | |
91 | .bDescriptorType = USB_DT_ENDPOINT, | |
92 | .bEndpointAddress = USB_DIR_OUT, | |
93 | .bmAttributes = USB_ENDPOINT_XFER_BULK, | |
718156ad | 94 | .wMaxPacketSize = cpu_to_le16(512), |
3aab70af SS |
95 | }; |
96 | ||
97 | static struct usb_interface_descriptor interface_desc = { | |
98 | .bLength = USB_DT_INTERFACE_SIZE, | |
99 | .bDescriptorType = USB_DT_INTERFACE, | |
100 | .bInterfaceNumber = 0x00, | |
101 | .bAlternateSetting = 0x00, | |
102 | .bNumEndpoints = 0x02, | |
103 | .bInterfaceClass = FASTBOOT_INTERFACE_CLASS, | |
104 | .bInterfaceSubClass = FASTBOOT_INTERFACE_SUB_CLASS, | |
105 | .bInterfaceProtocol = FASTBOOT_INTERFACE_PROTOCOL, | |
106 | }; | |
107 | ||
718156ad | 108 | static struct usb_descriptor_header *fb_fs_function[] = { |
3aab70af SS |
109 | (struct usb_descriptor_header *)&interface_desc, |
110 | (struct usb_descriptor_header *)&fs_ep_in, | |
718156ad RQ |
111 | (struct usb_descriptor_header *)&fs_ep_out, |
112 | }; | |
113 | ||
114 | static struct usb_descriptor_header *fb_hs_function[] = { | |
115 | (struct usb_descriptor_header *)&interface_desc, | |
116 | (struct usb_descriptor_header *)&hs_ep_in, | |
3aab70af SS |
117 | (struct usb_descriptor_header *)&hs_ep_out, |
118 | NULL, | |
119 | }; | |
120 | ||
8b704a0e RQ |
121 | static struct usb_endpoint_descriptor * |
122 | fb_ep_desc(struct usb_gadget *g, struct usb_endpoint_descriptor *fs, | |
123 | struct usb_endpoint_descriptor *hs) | |
124 | { | |
125 | if (gadget_is_dualspeed(g) && g->speed == USB_SPEED_HIGH) | |
126 | return hs; | |
127 | return fs; | |
128 | } | |
129 | ||
3aab70af SS |
130 | /* |
131 | * static strings, in UTF-8 | |
132 | */ | |
133 | static const char fastboot_name[] = "Android Fastboot"; | |
134 | ||
135 | static struct usb_string fastboot_string_defs[] = { | |
136 | [0].s = fastboot_name, | |
137 | { } /* end of list */ | |
138 | }; | |
139 | ||
140 | static struct usb_gadget_strings stringtab_fastboot = { | |
141 | .language = 0x0409, /* en-us */ | |
142 | .strings = fastboot_string_defs, | |
143 | }; | |
144 | ||
145 | static struct usb_gadget_strings *fastboot_strings[] = { | |
146 | &stringtab_fastboot, | |
147 | NULL, | |
148 | }; | |
149 | ||
150 | static void rx_handler_command(struct usb_ep *ep, struct usb_request *req); | |
e2ec3e46 | 151 | static int strcmp_l1(const char *s1, const char *s2); |
3aab70af | 152 | |
3c8f98f5 | 153 | |
9bc34799 SR |
154 | static char *fb_response_str; |
155 | ||
156 | void fastboot_fail(const char *reason) | |
3c8f98f5 | 157 | { |
9bc34799 SR |
158 | strncpy(fb_response_str, "FAIL\0", 5); |
159 | strncat(fb_response_str, reason, FASTBOOT_RESPONSE_LEN - 4 - 1); | |
3c8f98f5 MR |
160 | } |
161 | ||
9bc34799 | 162 | void fastboot_okay(const char *reason) |
3c8f98f5 | 163 | { |
9bc34799 SR |
164 | strncpy(fb_response_str, "OKAY\0", 5); |
165 | strncat(fb_response_str, reason, FASTBOOT_RESPONSE_LEN - 4 - 1); | |
3c8f98f5 MR |
166 | } |
167 | ||
3aab70af SS |
168 | static void fastboot_complete(struct usb_ep *ep, struct usb_request *req) |
169 | { | |
170 | int status = req->status; | |
171 | if (!status) | |
172 | return; | |
173 | printf("status: %d ep '%s' trans: %d\n", status, ep->name, req->actual); | |
174 | } | |
175 | ||
176 | static int fastboot_bind(struct usb_configuration *c, struct usb_function *f) | |
177 | { | |
178 | int id; | |
179 | struct usb_gadget *gadget = c->cdev->gadget; | |
180 | struct f_fastboot *f_fb = func_to_fastboot(f); | |
537cd072 | 181 | const char *s; |
3aab70af SS |
182 | |
183 | /* DYNAMIC interface numbers assignments */ | |
184 | id = usb_interface_id(c, f); | |
185 | if (id < 0) | |
186 | return id; | |
187 | interface_desc.bInterfaceNumber = id; | |
188 | ||
189 | id = usb_string_id(c->cdev); | |
190 | if (id < 0) | |
191 | return id; | |
192 | fastboot_string_defs[0].id = id; | |
193 | interface_desc.iInterface = id; | |
194 | ||
195 | f_fb->in_ep = usb_ep_autoconfig(gadget, &fs_ep_in); | |
196 | if (!f_fb->in_ep) | |
197 | return -ENODEV; | |
198 | f_fb->in_ep->driver_data = c->cdev; | |
199 | ||
200 | f_fb->out_ep = usb_ep_autoconfig(gadget, &fs_ep_out); | |
201 | if (!f_fb->out_ep) | |
202 | return -ENODEV; | |
203 | f_fb->out_ep->driver_data = c->cdev; | |
204 | ||
718156ad RQ |
205 | f->descriptors = fb_fs_function; |
206 | ||
207 | if (gadget_is_dualspeed(gadget)) { | |
208 | /* Assume endpoint addresses are the same for both speeds */ | |
209 | hs_ep_in.bEndpointAddress = fs_ep_in.bEndpointAddress; | |
210 | hs_ep_out.bEndpointAddress = fs_ep_out.bEndpointAddress; | |
211 | /* copy HS descriptors */ | |
212 | f->hs_descriptors = fb_hs_function; | |
213 | } | |
3aab70af | 214 | |
00caae6d | 215 | s = env_get("serial#"); |
537cd072 DK |
216 | if (s) |
217 | g_dnl_set_serialnumber((char *)s); | |
218 | ||
3aab70af SS |
219 | return 0; |
220 | } | |
221 | ||
222 | static void fastboot_unbind(struct usb_configuration *c, struct usb_function *f) | |
223 | { | |
224 | memset(fastboot_func, 0, sizeof(*fastboot_func)); | |
225 | } | |
226 | ||
227 | static void fastboot_disable(struct usb_function *f) | |
228 | { | |
229 | struct f_fastboot *f_fb = func_to_fastboot(f); | |
230 | ||
231 | usb_ep_disable(f_fb->out_ep); | |
232 | usb_ep_disable(f_fb->in_ep); | |
233 | ||
234 | if (f_fb->out_req) { | |
235 | free(f_fb->out_req->buf); | |
236 | usb_ep_free_request(f_fb->out_ep, f_fb->out_req); | |
237 | f_fb->out_req = NULL; | |
238 | } | |
239 | if (f_fb->in_req) { | |
240 | free(f_fb->in_req->buf); | |
241 | usb_ep_free_request(f_fb->in_ep, f_fb->in_req); | |
242 | f_fb->in_req = NULL; | |
243 | } | |
244 | } | |
245 | ||
246 | static struct usb_request *fastboot_start_ep(struct usb_ep *ep) | |
247 | { | |
248 | struct usb_request *req; | |
249 | ||
250 | req = usb_ep_alloc_request(ep, 0); | |
251 | if (!req) | |
252 | return NULL; | |
253 | ||
254 | req->length = EP_BUFFER_SIZE; | |
255 | req->buf = memalign(CONFIG_SYS_CACHELINE_SIZE, EP_BUFFER_SIZE); | |
256 | if (!req->buf) { | |
257 | usb_ep_free_request(ep, req); | |
258 | return NULL; | |
259 | } | |
260 | ||
261 | memset(req->buf, 0, req->length); | |
262 | return req; | |
263 | } | |
264 | ||
265 | static int fastboot_set_alt(struct usb_function *f, | |
266 | unsigned interface, unsigned alt) | |
267 | { | |
268 | int ret; | |
269 | struct usb_composite_dev *cdev = f->config->cdev; | |
270 | struct usb_gadget *gadget = cdev->gadget; | |
271 | struct f_fastboot *f_fb = func_to_fastboot(f); | |
8b704a0e | 272 | const struct usb_endpoint_descriptor *d; |
3aab70af SS |
273 | |
274 | debug("%s: func: %s intf: %d alt: %d\n", | |
275 | __func__, f->name, interface, alt); | |
276 | ||
8b704a0e RQ |
277 | d = fb_ep_desc(gadget, &fs_ep_out, &hs_ep_out); |
278 | ret = usb_ep_enable(f_fb->out_ep, d); | |
3aab70af SS |
279 | if (ret) { |
280 | puts("failed to enable out ep\n"); | |
281 | return ret; | |
282 | } | |
283 | ||
284 | f_fb->out_req = fastboot_start_ep(f_fb->out_ep); | |
285 | if (!f_fb->out_req) { | |
286 | puts("failed to alloc out req\n"); | |
287 | ret = -EINVAL; | |
288 | goto err; | |
289 | } | |
290 | f_fb->out_req->complete = rx_handler_command; | |
291 | ||
8b704a0e RQ |
292 | d = fb_ep_desc(gadget, &fs_ep_in, &hs_ep_in); |
293 | ret = usb_ep_enable(f_fb->in_ep, d); | |
3aab70af SS |
294 | if (ret) { |
295 | puts("failed to enable in ep\n"); | |
296 | goto err; | |
297 | } | |
298 | ||
299 | f_fb->in_req = fastboot_start_ep(f_fb->in_ep); | |
300 | if (!f_fb->in_req) { | |
301 | puts("failed alloc req in\n"); | |
302 | ret = -EINVAL; | |
303 | goto err; | |
304 | } | |
305 | f_fb->in_req->complete = fastboot_complete; | |
306 | ||
307 | ret = usb_ep_queue(f_fb->out_ep, f_fb->out_req, 0); | |
308 | if (ret) | |
309 | goto err; | |
310 | ||
311 | return 0; | |
312 | err: | |
313 | fastboot_disable(f); | |
314 | return ret; | |
315 | } | |
316 | ||
317 | static int fastboot_add(struct usb_configuration *c) | |
318 | { | |
319 | struct f_fastboot *f_fb = fastboot_func; | |
320 | int status; | |
321 | ||
322 | debug("%s: cdev: 0x%p\n", __func__, c->cdev); | |
323 | ||
324 | if (!f_fb) { | |
325 | f_fb = memalign(CONFIG_SYS_CACHELINE_SIZE, sizeof(*f_fb)); | |
326 | if (!f_fb) | |
327 | return -ENOMEM; | |
328 | ||
329 | fastboot_func = f_fb; | |
330 | memset(f_fb, 0, sizeof(*f_fb)); | |
331 | } | |
332 | ||
333 | f_fb->usb_function.name = "f_fastboot"; | |
3aab70af SS |
334 | f_fb->usb_function.bind = fastboot_bind; |
335 | f_fb->usb_function.unbind = fastboot_unbind; | |
336 | f_fb->usb_function.set_alt = fastboot_set_alt; | |
337 | f_fb->usb_function.disable = fastboot_disable; | |
338 | f_fb->usb_function.strings = fastboot_strings; | |
339 | ||
340 | status = usb_add_function(c, &f_fb->usb_function); | |
341 | if (status) { | |
342 | free(f_fb); | |
343 | fastboot_func = f_fb; | |
344 | } | |
345 | ||
346 | return status; | |
347 | } | |
348 | DECLARE_GADGET_BIND_CALLBACK(usb_dnl_fastboot, fastboot_add); | |
349 | ||
593cbd93 | 350 | static int fastboot_tx_write(const char *buffer, unsigned int buffer_size) |
3aab70af SS |
351 | { |
352 | struct usb_request *in_req = fastboot_func->in_req; | |
353 | int ret; | |
354 | ||
355 | memcpy(in_req->buf, buffer, buffer_size); | |
356 | in_req->length = buffer_size; | |
bc9071c9 PK |
357 | |
358 | usb_ep_dequeue(fastboot_func->in_ep, in_req); | |
359 | ||
3aab70af SS |
360 | ret = usb_ep_queue(fastboot_func->in_ep, in_req, 0); |
361 | if (ret) | |
362 | printf("Error %d on queue\n", ret); | |
363 | return 0; | |
364 | } | |
365 | ||
366 | static int fastboot_tx_write_str(const char *buffer) | |
367 | { | |
368 | return fastboot_tx_write(buffer, strlen(buffer)); | |
369 | } | |
370 | ||
371 | static void compl_do_reset(struct usb_ep *ep, struct usb_request *req) | |
372 | { | |
373 | do_reset(NULL, 0, 0, NULL); | |
374 | } | |
375 | ||
e2ec3e46 AF |
376 | int __weak fb_set_reboot_flag(void) |
377 | { | |
378 | return -ENOSYS; | |
379 | } | |
380 | ||
3aab70af SS |
381 | static void cb_reboot(struct usb_ep *ep, struct usb_request *req) |
382 | { | |
e2ec3e46 AF |
383 | char *cmd = req->buf; |
384 | if (!strcmp_l1("reboot-bootloader", cmd)) { | |
385 | if (fb_set_reboot_flag()) { | |
386 | fastboot_tx_write_str("FAILCannot set reboot flag"); | |
387 | return; | |
388 | } | |
389 | } | |
3aab70af SS |
390 | fastboot_func->in_req->complete = compl_do_reset; |
391 | fastboot_tx_write_str("OKAY"); | |
392 | } | |
393 | ||
394 | static int strcmp_l1(const char *s1, const char *s2) | |
395 | { | |
396 | if (!s1 || !s2) | |
397 | return -1; | |
398 | return strncmp(s1, s2, strlen(s1)); | |
399 | } | |
400 | ||
401 | static void cb_getvar(struct usb_ep *ep, struct usb_request *req) | |
402 | { | |
403 | char *cmd = req->buf; | |
3c8f98f5 | 404 | char response[FASTBOOT_RESPONSE_LEN]; |
3aab70af | 405 | const char *s; |
29425be4 | 406 | size_t chars_left; |
3aab70af SS |
407 | |
408 | strcpy(response, "OKAY"); | |
29425be4 JH |
409 | chars_left = sizeof(response) - strlen(response) - 1; |
410 | ||
3aab70af SS |
411 | strsep(&cmd, ":"); |
412 | if (!cmd) { | |
a18c2706 | 413 | error("missing variable"); |
3aab70af SS |
414 | fastboot_tx_write_str("FAILmissing var"); |
415 | return; | |
416 | } | |
417 | ||
418 | if (!strcmp_l1("version", cmd)) { | |
29425be4 | 419 | strncat(response, FASTBOOT_VERSION, chars_left); |
3aab70af | 420 | } else if (!strcmp_l1("bootloader-version", cmd)) { |
29425be4 | 421 | strncat(response, U_BOOT_VERSION, chars_left); |
c674a666 EN |
422 | } else if (!strcmp_l1("downloadsize", cmd) || |
423 | !strcmp_l1("max-download-size", cmd)) { | |
3aab70af SS |
424 | char str_num[12]; |
425 | ||
a588d99a | 426 | sprintf(str_num, "0x%08x", CONFIG_FASTBOOT_BUF_SIZE); |
29425be4 | 427 | strncat(response, str_num, chars_left); |
3aab70af | 428 | } else if (!strcmp_l1("serialno", cmd)) { |
00caae6d | 429 | s = env_get("serial#"); |
3aab70af | 430 | if (s) |
29425be4 | 431 | strncat(response, s, chars_left); |
3aab70af SS |
432 | else |
433 | strcpy(response, "FAILValue not set"); | |
434 | } else { | |
b1f2a17c | 435 | char *envstr; |
74322201 | 436 | |
b1f2a17c | 437 | envstr = malloc(strlen("fastboot.") + strlen(cmd) + 1); |
438 | if (!envstr) { | |
439 | fastboot_tx_write_str("FAILmalloc error"); | |
440 | return; | |
441 | } | |
442 | ||
443 | sprintf(envstr, "fastboot.%s", cmd); | |
00caae6d | 444 | s = env_get(envstr); |
74322201 RH |
445 | if (s) { |
446 | strncat(response, s, chars_left); | |
447 | } else { | |
448 | printf("WARNING: unknown variable: %s\n", cmd); | |
449 | strcpy(response, "FAILVariable not implemented"); | |
450 | } | |
b1f2a17c | 451 | |
452 | free(envstr); | |
3aab70af SS |
453 | } |
454 | fastboot_tx_write_str(response); | |
455 | } | |
456 | ||
ac484c5a | 457 | static unsigned int rx_bytes_expected(struct usb_ep *ep) |
3aab70af SS |
458 | { |
459 | int rx_remain = download_size - download_bytes; | |
ac484c5a RQ |
460 | unsigned int rem; |
461 | unsigned int maxpacket = ep->maxpacket; | |
462 | ||
463 | if (rx_remain <= 0) | |
3aab70af | 464 | return 0; |
ac484c5a | 465 | else if (rx_remain > EP_BUFFER_SIZE) |
3aab70af | 466 | return EP_BUFFER_SIZE; |
ac484c5a RQ |
467 | |
468 | /* | |
469 | * Some controllers e.g. DWC3 don't like OUT transfers to be | |
470 | * not ending in maxpacket boundary. So just make them happy by | |
471 | * always requesting for integral multiple of maxpackets. | |
472 | * This shouldn't bother controllers that don't care about it. | |
473 | */ | |
474 | rem = rx_remain % maxpacket; | |
475 | if (rem > 0) | |
9e4b510d | 476 | rx_remain = rx_remain + (maxpacket - rem); |
ac484c5a | 477 | |
3aab70af SS |
478 | return rx_remain; |
479 | } | |
480 | ||
481 | #define BYTES_PER_DOT 0x20000 | |
482 | static void rx_handler_dl_image(struct usb_ep *ep, struct usb_request *req) | |
483 | { | |
3c8f98f5 | 484 | char response[FASTBOOT_RESPONSE_LEN]; |
3aab70af SS |
485 | unsigned int transfer_size = download_size - download_bytes; |
486 | const unsigned char *buffer = req->buf; | |
487 | unsigned int buffer_size = req->actual; | |
23d1d10c | 488 | unsigned int pre_dot_num, now_dot_num; |
3aab70af SS |
489 | |
490 | if (req->status != 0) { | |
491 | printf("Bad status: %d\n", req->status); | |
492 | return; | |
493 | } | |
494 | ||
495 | if (buffer_size < transfer_size) | |
496 | transfer_size = buffer_size; | |
497 | ||
a588d99a | 498 | memcpy((void *)CONFIG_FASTBOOT_BUF_ADDR + download_bytes, |
3aab70af SS |
499 | buffer, transfer_size); |
500 | ||
23d1d10c | 501 | pre_dot_num = download_bytes / BYTES_PER_DOT; |
3aab70af | 502 | download_bytes += transfer_size; |
23d1d10c BS |
503 | now_dot_num = download_bytes / BYTES_PER_DOT; |
504 | ||
505 | if (pre_dot_num != now_dot_num) { | |
506 | putc('.'); | |
507 | if (!(now_dot_num % 74)) | |
508 | putc('\n'); | |
509 | } | |
3aab70af SS |
510 | |
511 | /* Check if transfer is done */ | |
512 | if (download_bytes >= download_size) { | |
513 | /* | |
514 | * Reset global transfer variable, keep download_bytes because | |
515 | * it will be used in the next possible flashing command | |
516 | */ | |
517 | download_size = 0; | |
518 | req->complete = rx_handler_command; | |
519 | req->length = EP_BUFFER_SIZE; | |
520 | ||
192bc694 | 521 | strcpy(response, "OKAY"); |
3aab70af SS |
522 | fastboot_tx_write_str(response); |
523 | ||
524 | printf("\ndownloading of %d bytes finished\n", download_bytes); | |
525 | } else { | |
ac484c5a | 526 | req->length = rx_bytes_expected(ep); |
3aab70af SS |
527 | } |
528 | ||
3aab70af SS |
529 | req->actual = 0; |
530 | usb_ep_queue(ep, req, 0); | |
531 | } | |
532 | ||
533 | static void cb_download(struct usb_ep *ep, struct usb_request *req) | |
534 | { | |
535 | char *cmd = req->buf; | |
3c8f98f5 | 536 | char response[FASTBOOT_RESPONSE_LEN]; |
3aab70af SS |
537 | |
538 | strsep(&cmd, ":"); | |
539 | download_size = simple_strtoul(cmd, NULL, 16); | |
540 | download_bytes = 0; | |
541 | ||
542 | printf("Starting download of %d bytes\n", download_size); | |
543 | ||
544 | if (0 == download_size) { | |
192bc694 | 545 | strcpy(response, "FAILdata invalid size"); |
a588d99a | 546 | } else if (download_size > CONFIG_FASTBOOT_BUF_SIZE) { |
3aab70af | 547 | download_size = 0; |
192bc694 | 548 | strcpy(response, "FAILdata too large"); |
3aab70af SS |
549 | } else { |
550 | sprintf(response, "DATA%08x", download_size); | |
551 | req->complete = rx_handler_dl_image; | |
ac484c5a | 552 | req->length = rx_bytes_expected(ep); |
3aab70af SS |
553 | } |
554 | fastboot_tx_write_str(response); | |
555 | } | |
556 | ||
557 | static void do_bootm_on_complete(struct usb_ep *ep, struct usb_request *req) | |
558 | { | |
559 | char boot_addr_start[12]; | |
560 | char *bootm_args[] = { "bootm", boot_addr_start, NULL }; | |
561 | ||
562 | puts("Booting kernel..\n"); | |
563 | ||
90ae53ce | 564 | sprintf(boot_addr_start, "0x%lx", (long)CONFIG_FASTBOOT_BUF_ADDR); |
3aab70af SS |
565 | do_bootm(NULL, 0, 2, bootm_args); |
566 | ||
567 | /* This only happens if image is somehow faulty so we start over */ | |
568 | do_reset(NULL, 0, 0, NULL); | |
569 | } | |
570 | ||
571 | static void cb_boot(struct usb_ep *ep, struct usb_request *req) | |
572 | { | |
573 | fastboot_func->in_req->complete = do_bootm_on_complete; | |
574 | fastboot_tx_write_str("OKAY"); | |
575 | } | |
576 | ||
267abc62 RH |
577 | static void do_exit_on_complete(struct usb_ep *ep, struct usb_request *req) |
578 | { | |
579 | g_dnl_trigger_detach(); | |
580 | } | |
581 | ||
582 | static void cb_continue(struct usb_ep *ep, struct usb_request *req) | |
583 | { | |
584 | fastboot_func->in_req->complete = do_exit_on_complete; | |
585 | fastboot_tx_write_str("OKAY"); | |
586 | } | |
587 | ||
d1b5ed07 SR |
588 | #ifdef CONFIG_FASTBOOT_FLASH |
589 | static void cb_flash(struct usb_ep *ep, struct usb_request *req) | |
590 | { | |
591 | char *cmd = req->buf; | |
3c8f98f5 | 592 | char response[FASTBOOT_RESPONSE_LEN]; |
d1b5ed07 SR |
593 | |
594 | strsep(&cmd, ":"); | |
595 | if (!cmd) { | |
a18c2706 | 596 | error("missing partition name"); |
d1b5ed07 SR |
597 | fastboot_tx_write_str("FAILmissing partition name"); |
598 | return; | |
599 | } | |
600 | ||
9bc34799 SR |
601 | /* initialize the response buffer */ |
602 | fb_response_str = response; | |
603 | ||
604 | fastboot_fail("no flash device defined"); | |
d1b5ed07 | 605 | #ifdef CONFIG_FASTBOOT_FLASH_MMC_DEV |
64ece848 | 606 | fb_mmc_flash_write(cmd, (void *)CONFIG_FASTBOOT_BUF_ADDR, |
9bc34799 | 607 | download_bytes); |
bf8940d3 MR |
608 | #endif |
609 | #ifdef CONFIG_FASTBOOT_FLASH_NAND_DEV | |
64ece848 | 610 | fb_nand_flash_write(cmd, |
bf8940d3 | 611 | (void *)CONFIG_FASTBOOT_BUF_ADDR, |
9bc34799 | 612 | download_bytes); |
d1b5ed07 SR |
613 | #endif |
614 | fastboot_tx_write_str(response); | |
615 | } | |
616 | #endif | |
617 | ||
de195620 MS |
618 | static void cb_oem(struct usb_ep *ep, struct usb_request *req) |
619 | { | |
620 | char *cmd = req->buf; | |
4adef270 | 621 | #ifdef CONFIG_FASTBOOT_FLASH_MMC_DEV |
372d7dec RH |
622 | if (strncmp("format", cmd + 4, 6) == 0) { |
623 | char cmdbuf[32]; | |
624 | sprintf(cmdbuf, "gpt write mmc %x $partitions", | |
625 | CONFIG_FASTBOOT_FLASH_MMC_DEV); | |
626 | if (run_command(cmdbuf, 0)) | |
627 | fastboot_tx_write_str("FAIL"); | |
628 | else | |
629 | fastboot_tx_write_str("OKAY"); | |
630 | } else | |
631 | #endif | |
de195620 MS |
632 | if (strncmp("unlock", cmd + 4, 8) == 0) { |
633 | fastboot_tx_write_str("FAILnot implemented"); | |
634 | } | |
635 | else { | |
636 | fastboot_tx_write_str("FAILunknown oem command"); | |
637 | } | |
638 | } | |
639 | ||
89792381 DK |
640 | #ifdef CONFIG_FASTBOOT_FLASH |
641 | static void cb_erase(struct usb_ep *ep, struct usb_request *req) | |
642 | { | |
643 | char *cmd = req->buf; | |
3c8f98f5 | 644 | char response[FASTBOOT_RESPONSE_LEN]; |
89792381 DK |
645 | |
646 | strsep(&cmd, ":"); | |
647 | if (!cmd) { | |
648 | error("missing partition name"); | |
649 | fastboot_tx_write_str("FAILmissing partition name"); | |
650 | return; | |
651 | } | |
652 | ||
9bc34799 SR |
653 | /* initialize the response buffer */ |
654 | fb_response_str = response; | |
89792381 | 655 | |
9bc34799 | 656 | fastboot_fail("no flash device defined"); |
89792381 | 657 | #ifdef CONFIG_FASTBOOT_FLASH_MMC_DEV |
9bc34799 | 658 | fb_mmc_erase(cmd); |
bf8940d3 MR |
659 | #endif |
660 | #ifdef CONFIG_FASTBOOT_FLASH_NAND_DEV | |
9bc34799 | 661 | fb_nand_erase(cmd); |
89792381 DK |
662 | #endif |
663 | fastboot_tx_write_str(response); | |
664 | } | |
665 | #endif | |
666 | ||
3aab70af SS |
667 | struct cmd_dispatch_info { |
668 | char *cmd; | |
669 | void (*cb)(struct usb_ep *ep, struct usb_request *req); | |
670 | }; | |
671 | ||
672 | static const struct cmd_dispatch_info cmd_dispatch_info[] = { | |
673 | { | |
674 | .cmd = "reboot", | |
675 | .cb = cb_reboot, | |
676 | }, { | |
677 | .cmd = "getvar:", | |
678 | .cb = cb_getvar, | |
679 | }, { | |
680 | .cmd = "download:", | |
681 | .cb = cb_download, | |
682 | }, { | |
683 | .cmd = "boot", | |
684 | .cb = cb_boot, | |
267abc62 RH |
685 | }, { |
686 | .cmd = "continue", | |
687 | .cb = cb_continue, | |
3aab70af | 688 | }, |
d1b5ed07 SR |
689 | #ifdef CONFIG_FASTBOOT_FLASH |
690 | { | |
691 | .cmd = "flash", | |
692 | .cb = cb_flash, | |
89792381 DK |
693 | }, { |
694 | .cmd = "erase", | |
695 | .cb = cb_erase, | |
d1b5ed07 SR |
696 | }, |
697 | #endif | |
de195620 MS |
698 | { |
699 | .cmd = "oem", | |
700 | .cb = cb_oem, | |
701 | }, | |
3aab70af SS |
702 | }; |
703 | ||
704 | static void rx_handler_command(struct usb_ep *ep, struct usb_request *req) | |
705 | { | |
706 | char *cmdbuf = req->buf; | |
707 | void (*func_cb)(struct usb_ep *ep, struct usb_request *req) = NULL; | |
708 | int i; | |
709 | ||
94b385fa PK |
710 | if (req->status != 0 || req->length == 0) |
711 | return; | |
712 | ||
3aab70af SS |
713 | for (i = 0; i < ARRAY_SIZE(cmd_dispatch_info); i++) { |
714 | if (!strcmp_l1(cmd_dispatch_info[i].cmd, cmdbuf)) { | |
715 | func_cb = cmd_dispatch_info[i].cb; | |
716 | break; | |
717 | } | |
718 | } | |
719 | ||
593cbd93 | 720 | if (!func_cb) { |
7715dea4 | 721 | error("unknown command: %.*s", req->actual, cmdbuf); |
3aab70af | 722 | fastboot_tx_write_str("FAILunknown command"); |
593cbd93 | 723 | } else { |
e2140588 EN |
724 | if (req->actual < req->length) { |
725 | u8 *buf = (u8 *)req->buf; | |
726 | buf[req->actual] = 0; | |
727 | func_cb(ep, req); | |
728 | } else { | |
a18c2706 | 729 | error("buffer overflow"); |
e2140588 EN |
730 | fastboot_tx_write_str("FAILbuffer overflow"); |
731 | } | |
593cbd93 | 732 | } |
3aab70af | 733 | |
94b385fa PK |
734 | *cmdbuf = '\0'; |
735 | req->actual = 0; | |
736 | usb_ep_queue(ep, req, 0); | |
3aab70af | 737 | } |