Poor mans workaround for hanging SDL app/sim on shutdown.
[maemo-rb.git] / bootloader / main-pp.c
blob339f4a82e19a77a3dc5ce2a37db1cb606b385126
1 /***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
10 * Copyright (C) 2006 by Barry Wardell
12 * Based on Rockbox iriver bootloader by Linus Nielsen Feltzing
13 * and the ipodlinux bootloader by Daniel Palffy and Bernard Leach
15 * This program is free software; you can redistribute it and/or
16 * modify it under the terms of the GNU General Public License
17 * as published by the Free Software Foundation; either version 2
18 * of the License, or (at your option) any later version.
20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21 * KIND, either express or implied.
23 ****************************************************************************/
24 #include <stdio.h>
25 #include <stdlib.h>
27 #include "config.h"
28 #include "common.h"
29 #include "cpu.h"
30 #include "file.h"
31 #include "system.h"
32 #include "kernel.h"
33 #include "lcd.h"
34 #include "font.h"
35 #include "storage.h"
36 #include "adc.h"
37 #include "button.h"
38 #include "disk.h"
39 #include "crc32-mi4.h"
40 #include <string.h>
41 #include "power.h"
42 #include "version.h"
43 #if defined(SANSA_E200) || defined(PHILIPS_SA9200)
44 #include "i2c.h"
45 #include "backlight-target.h"
46 #endif
47 #include "usb.h"
48 #if defined(SANSA_E200) || defined(SANSA_C200) || defined(PHILIPS_SA9200)
49 #include "usb_drv.h"
50 #endif
51 #include "usb-target.h"
52 #if defined(SAMSUNG_YH925)
53 /* this function (in lcd-yh925.c) resets the screen orientation for the OF
54 * for use with dualbooting */
55 void lcd_reset(void);
56 #endif
58 /* Show the Rockbox logo - in show_logo.c */
59 extern int show_logo(void);
61 /* Button definitions */
62 #if CONFIG_KEYPAD == IRIVER_H10_PAD
63 #define BOOTLOADER_BOOT_OF BUTTON_LEFT
65 #elif CONFIG_KEYPAD == SANSA_E200_PAD
66 #define BOOTLOADER_BOOT_OF BUTTON_LEFT
68 #elif CONFIG_KEYPAD == SANSA_C200_PAD
69 #define BOOTLOADER_BOOT_OF BUTTON_LEFT
71 #elif CONFIG_KEYPAD == MROBE100_PAD
72 #define BOOTLOADER_BOOT_OF BUTTON_POWER
74 #elif CONFIG_KEYPAD == PHILIPS_SA9200_PAD
75 #define BOOTLOADER_BOOT_OF BUTTON_VOL_UP
77 #elif CONFIG_KEYPAD == PHILIPS_HDD1630_PAD
78 #define BOOTLOADER_BOOT_OF BUTTON_MENU
80 #elif CONFIG_KEYPAD == PHILIPS_HDD6330_PAD
81 #define BOOTLOADER_BOOT_OF BUTTON_VOL_UP
83 #elif CONFIG_KEYPAD == SAMSUNG_YH_PAD
84 #define BOOTLOADER_BOOT_OF BUTTON_LEFT
86 #elif CONFIG_KEYPAD == SANSA_FUZE_PAD
87 #define BOOTLOADER_BOOT_OF BUTTON_LEFT
89 #elif CONFIG_KEYPAD == PBELL_VIBE500_PAD
90 #define BOOTLOADER_BOOT_OF BUTTON_OK
92 #endif
94 /* Maximum allowed firmware image size. 10MB is more than enough */
95 #define MAX_LOADSIZE (10*1024*1024)
97 /* A buffer to load the original firmware or Rockbox into */
98 unsigned char *loadbuffer = (unsigned char *)DRAM_START;
100 /* Locations and sizes in hidden partition on Sansa */
101 #if (CONFIG_STORAGE & STORAGE_SD)
102 #define PPMI_SECTOR_OFFSET 1024
103 #define PPMI_SECTORS 1
104 #define MI4_HEADER_SECTORS 1
105 #define NUM_PARTITIONS 2
107 #else
108 #define NUM_PARTITIONS 1
110 #endif
112 #define MI4_HEADER_SIZE 0x200
114 /* mi4 header structure */
115 struct mi4header_t {
116 unsigned char magic[4];
117 uint32_t version;
118 uint32_t length;
119 uint32_t crc32;
120 uint32_t enctype;
121 uint32_t mi4size;
122 uint32_t plaintext;
123 uint32_t dsa_key[10];
124 uint32_t pad[109];
125 unsigned char type[4];
126 unsigned char model[4];
129 /* PPMI header structure */
130 struct ppmi_header_t {
131 unsigned char magic[4];
132 uint32_t length;
133 uint32_t pad[126];
136 inline unsigned int le2int(unsigned char* buf)
138 int32_t res = (buf[3] << 24) | (buf[2] << 16) | (buf[1] << 8) | buf[0];
140 return res;
143 inline void int2le(unsigned int val, unsigned char* addr)
145 addr[0] = val & 0xFF;
146 addr[1] = (val >> 8) & 0xff;
147 addr[2] = (val >> 16) & 0xff;
148 addr[3] = (val >> 24) & 0xff;
151 struct tea_key {
152 const char * name;
153 uint32_t key[4];
156 #define NUM_KEYS (sizeof(tea_keytable)/sizeof(tea_keytable[0]))
157 struct tea_key tea_keytable[] = {
158 { "default" , { 0x20d36cc0, 0x10e8c07d, 0xc0e7dcaa, 0x107eb080 } },
159 { "sansa", { 0xe494e96e, 0x3ee32966, 0x6f48512b, 0xa93fbb42 } },
160 { "sansa_gh", { 0xd7b10538, 0xc662945b, 0x1b3fce68, 0xf389c0e6 } },
161 { "sansa_103", { 0x1d29ddc0, 0x2579c2cd, 0xce339e1a, 0x75465dfe } },
162 { "rhapsody", { 0x7aa9c8dc, 0xbed0a82a, 0x16204cc7, 0x5904ef38 } },
163 { "p610", { 0x950e83dc, 0xec4907f9, 0x023734b9, 0x10cfb7c7 } },
164 { "p640", { 0x220c5f23, 0xd04df68e, 0x431b5e25, 0x4dcc1fa1 } },
165 { "virgin", { 0xe83c29a1, 0x04862973, 0xa9b3f0d4, 0x38be2a9c } },
166 { "20gc_eng", { 0x0240772c, 0x6f3329b5, 0x3ec9a6c5, 0xb0c9e493 } },
167 { "20gc_fre", { 0xbede8817, 0xb23bfe4f, 0x80aa682d, 0xd13f598c } },
168 { "elio_p722", { 0x6af3b9f8, 0x777483f5, 0xae8181cc, 0xfa6d8a84 } },
169 { "c200", { 0xbf2d06fa, 0xf0e23d59, 0x29738132, 0xe2d04ca7 } },
170 { "c200_103", { 0x2a7968de, 0x15127979, 0x142e60a7, 0xe49c1893 } },
171 { "c200_106", { 0xa913d139, 0xf842f398, 0x3e03f1a6, 0x060ee012 } },
172 { "view", { 0x70e19bda, 0x0c69ea7d, 0x2b8b1ad1, 0xe9767ced } },
173 { "sa9200", { 0x33ea0236, 0x9247bdc5, 0xdfaedf9f, 0xd67c9d30 } },
174 { "hdd1630", { 0x04543ced, 0xcebfdbad, 0xf7477872, 0x0d12342e } },
175 { "vibe500", { 0xe3a66156, 0x77c6b67a, 0xe821dca5, 0xca8ca37c } },
180 tea_decrypt() from http://en.wikipedia.org/wiki/Tiny_Encryption_Algorithm
182 "Following is an adaptation of the reference encryption and decryption
183 routines in C, released into the public domain by David Wheeler and
184 Roger Needham:"
188 /* NOTE: The mi4 version of TEA uses a different initial value to sum compared
189 to the reference implementation and the main loop is 8 iterations, not
193 static void tea_decrypt(uint32_t* v0, uint32_t* v1, uint32_t* k) {
194 uint32_t sum=0xF1BBCDC8, i; /* set up */
195 uint32_t delta=0x9E3779B9; /* a key schedule constant */
196 uint32_t k0=k[0], k1=k[1], k2=k[2], k3=k[3]; /* cache key */
197 for(i=0; i<8; i++) { /* basic cycle start */
198 *v1 -= ((*v0<<4) + k2) ^ (*v0 + sum) ^ ((*v0>>5) + k3);
199 *v0 -= ((*v1<<4) + k0) ^ (*v1 + sum) ^ ((*v1>>5) + k1);
200 sum -= delta; /* end cycle */
204 /* mi4 files are encrypted in 64-bit blocks (two little-endian 32-bit
205 integers) and the key is incremented after each block
208 static void tea_decrypt_buf(unsigned char* src, unsigned char* dest, size_t n, uint32_t * key)
210 uint32_t v0, v1;
211 unsigned int i;
213 for (i = 0; i < (n / 8); i++) {
214 v0 = le2int(src);
215 v1 = le2int(src+4);
217 tea_decrypt(&v0, &v1, key);
219 int2le(v0, dest);
220 int2le(v1, dest+4);
222 src += 8;
223 dest += 8;
225 /* Now increment the key */
226 key[0]++;
227 if (key[0]==0) {
228 key[1]++;
229 if (key[1]==0) {
230 key[2]++;
231 if (key[2]==0) {
232 key[3]++;
239 static inline bool tea_test_key(unsigned char magic_enc[8], uint32_t * key, int unaligned)
241 unsigned char magic_dec[8];
242 tea_decrypt_buf(magic_enc, magic_dec, 8, key);
244 return (le2int(&magic_dec[4*unaligned]) == 0xaa55aa55);
247 static int tea_find_key(struct mi4header_t *mi4header, int fd)
249 unsigned int i;
250 int rc;
251 unsigned int j;
252 uint32_t key[4];
253 unsigned char magic_enc[8];
254 int key_found = -1;
255 unsigned int magic_location = mi4header->length-4;
256 int unaligned = 0;
258 if ( (magic_location % 8) != 0 )
260 unaligned = 1;
261 magic_location -= 4;
264 /* Load encrypted magic 0xaa55aa55 to check key */
265 lseek(fd, MI4_HEADER_SIZE + magic_location, SEEK_SET);
266 rc = read(fd, magic_enc, 8);
267 if(rc < 8 )
268 return EREAD_IMAGE_FAILED;
270 printf("Searching for key:");
272 for (i=0; i < NUM_KEYS && (key_found<0) ; i++) {
273 key[0] = tea_keytable[i].key[0];
274 key[1] = tea_keytable[i].key[1];
275 key[2] = tea_keytable[i].key[2];
276 key[3] = tea_keytable[i].key[3];
278 /* Now increment the key */
279 for(j=0; j<((magic_location-mi4header->plaintext)/8); j++){
280 key[0]++;
281 if (key[0]==0) {
282 key[1]++;
283 if (key[1]==0) {
284 key[2]++;
285 if (key[2]==0) {
286 key[3]++;
292 if (tea_test_key(magic_enc,key,unaligned))
294 key_found = i;
295 printf("%s...found", tea_keytable[i].name);
296 } else {
297 /* printf("%s...failed", tea_keytable[i].name); */
301 return key_found;
305 /* Load mi4 format firmware image */
306 int load_mi4(unsigned char* buf, char* firmware, unsigned int buffer_size)
308 int fd;
309 struct mi4header_t mi4header;
310 int rc;
311 unsigned long sum;
312 char filename[MAX_PATH];
314 snprintf(filename,sizeof(filename), BOOTDIR "/%s",firmware);
315 fd = open(filename, O_RDONLY);
316 if(fd < 0)
318 snprintf(filename,sizeof(filename),"/%s",firmware);
319 fd = open(filename, O_RDONLY);
320 if(fd < 0)
321 return EFILE_NOT_FOUND;
324 read(fd, &mi4header, MI4_HEADER_SIZE);
326 /* MI4 file size */
327 printf("mi4 size: %x", mi4header.mi4size);
329 if ((mi4header.mi4size-MI4_HEADER_SIZE) > buffer_size)
330 return EFILE_TOO_BIG;
332 /* CRC32 */
333 printf("CRC32: %x", mi4header.crc32);
335 /* Rockbox model id */
336 printf("Model id: %.4s", mi4header.model);
338 /* Read binary type (RBOS, RBBL) */
339 printf("Binary type: %.4s", mi4header.type);
341 /* Load firmware file */
342 lseek(fd, MI4_HEADER_SIZE, SEEK_SET);
343 rc = read(fd, buf, mi4header.mi4size-MI4_HEADER_SIZE);
344 if(rc < (int)mi4header.mi4size-MI4_HEADER_SIZE)
345 return EREAD_IMAGE_FAILED;
347 /* Check CRC32 to see if we have a valid file */
348 sum = chksum_crc32 (buf, mi4header.mi4size - MI4_HEADER_SIZE);
350 printf("Calculated CRC32: %x", sum);
352 if(sum != mi4header.crc32)
353 return EBAD_CHKSUM;
355 if( (mi4header.plaintext + MI4_HEADER_SIZE) != mi4header.mi4size)
357 /* Load encrypted firmware */
358 int key_index = tea_find_key(&mi4header, fd);
360 if (key_index < 0)
361 return EINVALID_FORMAT;
363 /* Plaintext part is already loaded */
364 buf += mi4header.plaintext;
366 /* Decrypt in-place */
367 tea_decrypt_buf(buf, buf,
368 mi4header.mi4size-(mi4header.plaintext+MI4_HEADER_SIZE),
369 tea_keytable[key_index].key);
371 printf("%s key used", tea_keytable[key_index].name);
373 /* Check decryption was successfull */
374 if(le2int(&buf[mi4header.length-mi4header.plaintext-4]) != 0xaa55aa55)
376 return EREAD_IMAGE_FAILED;
380 return EOK;
383 #if (CONFIG_STORAGE & STORAGE_SD)
384 /* Load mi4 firmware from a hidden disk partition */
385 int load_mi4_part(unsigned char* buf, struct partinfo* pinfo,
386 unsigned int buffer_size, bool disable_rebuild)
388 struct mi4header_t mi4header;
389 struct ppmi_header_t ppmi_header;
390 unsigned long sum;
392 /* Read header to find out how long the mi4 file is. */
393 storage_read_sectors(pinfo->start + PPMI_SECTOR_OFFSET,
394 PPMI_SECTORS, &ppmi_header);
396 /* The first four characters at 0x80000 (sector 1024) should be PPMI*/
397 if( memcmp(ppmi_header.magic, "PPMI", 4) )
398 return EFILE_NOT_FOUND;
400 printf("BL mi4 size: %x", ppmi_header.length);
402 /* Read mi4 header of the OF */
403 storage_read_sectors(pinfo->start + PPMI_SECTOR_OFFSET + PPMI_SECTORS
404 + (ppmi_header.length/512), MI4_HEADER_SECTORS, &mi4header);
406 /* We don't support encrypted mi4 files yet */
407 if( (mi4header.plaintext) != (mi4header.mi4size-MI4_HEADER_SIZE))
408 return EINVALID_FORMAT;
410 /* MI4 file size */
411 printf("OF mi4 size: %x", mi4header.mi4size);
413 if ((mi4header.mi4size-MI4_HEADER_SIZE) > buffer_size)
414 return EFILE_TOO_BIG;
416 /* CRC32 */
417 printf("CRC32: %x", mi4header.crc32);
419 /* Rockbox model id */
420 printf("Model id: %.4s", mi4header.model);
422 /* Read binary type (RBOS, RBBL) */
423 printf("Binary type: %.4s", mi4header.type);
425 /* Load firmware */
426 storage_read_sectors(pinfo->start + PPMI_SECTOR_OFFSET + PPMI_SECTORS
427 + (ppmi_header.length/512) + MI4_HEADER_SECTORS,
428 (mi4header.mi4size-MI4_HEADER_SIZE)/512, buf);
430 /* Check CRC32 to see if we have a valid file */
431 sum = chksum_crc32 (buf,mi4header.mi4size-MI4_HEADER_SIZE);
433 printf("Calculated CRC32: %x", sum);
435 if(sum != mi4header.crc32)
436 return EBAD_CHKSUM;
438 #ifdef SANSA_E200
439 if (disable_rebuild)
441 char block[512];
443 printf("Disabling database rebuild");
445 storage_read_sectors(pinfo->start + 0x3c08, 1, block);
446 block[0xe1] = 0;
447 storage_write_sectors(pinfo->start + 0x3c08, 1, block);
449 #else
450 (void) disable_rebuild;
451 #endif
453 return EOK;
455 #endif /* (CONFIG_STORAGE & STORAGE_SD) */
457 #ifdef HAVE_BOOTLOADER_USB_MODE
458 /* Return USB_HANDLED if session took place else return USB_EXTRACTED */
459 static int handle_usb(int connect_timeout)
461 static struct event_queue q SHAREDBSS_ATTR;
462 struct queue_event ev;
463 int usb = USB_EXTRACTED;
464 long end_tick = 0;
466 if (!usb_plugged())
467 return USB_EXTRACTED;
469 queue_init(&q, true);
470 usb_init();
471 usb_start_monitoring();
473 printf("USB: Connecting");
475 if (connect_timeout != TIMEOUT_BLOCK)
476 end_tick = current_tick + connect_timeout;
478 while (1)
480 /* Sleep no longer than 1/2s */
481 queue_wait_w_tmo(&q, &ev, HZ/2);
483 if (ev.id == SYS_USB_CONNECTED)
485 /* Switch to verbose mode if not in it so that the status updates
486 * are shown */
487 verbose = true;
488 /* Got the message - wait for disconnect */
489 printf("Bootloader USB mode");
491 usb = USB_HANDLED;
492 usb_acknowledge(SYS_USB_CONNECTED_ACK);
493 usb_wait_for_disconnect(&q);
494 break;
497 if (connect_timeout != TIMEOUT_BLOCK &&
498 TIME_AFTER(current_tick, end_tick))
500 /* Timed out waiting for the connect - will happen when connected
501 * to a charger instead of a host port and the charging pin is
502 * the same as the USB pin */
503 printf("USB: Timed out");
504 break;
507 if (!usb_plugged())
508 break; /* Cable pulled */
511 usb_close();
512 queue_delete(&q);
514 return usb;
516 #elif (defined(SANSA_E200) || defined(SANSA_C200) || defined(PHILIPS_SA9200) \
517 || defined (SANSA_VIEW)) && !defined(USE_ROCKBOX_USB)
518 /* Return USB_INSERTED if cable present */
519 static int handle_usb(int connect_timeout)
521 int usb_retry = 0;
522 int usb = USB_EXTRACTED;
524 usb_init();
525 while (usb_drv_powered() && usb_retry < 5 && usb != USB_INSERTED)
527 usb_retry++;
528 sleep(HZ/4);
529 usb = usb_detect();
532 if (usb != USB_INSERTED)
533 usb = USB_EXTRACTED;
535 return usb;
536 (void)connect_timeout;
538 #else
539 /* Ignore cable state */
540 static int handle_usb(int connect_timeout)
542 return USB_EXTRACTED;
543 (void)connect_timeout;
545 #endif /* HAVE_BOOTLOADER_USB_MODE */
547 void* main(void)
549 int i;
550 int btn;
551 int rc;
552 int num_partitions;
553 struct partinfo* pinfo;
554 #if !(CONFIG_STORAGE & STORAGE_SD)
555 char buf[256];
556 unsigned short* identify_info;
557 #endif
558 int usb = USB_EXTRACTED;
560 chksum_crc32gentab ();
562 system_init();
563 kernel_init();
565 #ifdef HAVE_BOOTLOADER_USB_MODE
566 /* loader must service interrupts */
567 enable_interrupt(IRQ_FIQ_STATUS);
568 #endif
570 lcd_init();
572 font_init();
573 show_logo();
575 adc_init();
576 #ifdef HAVE_BOOTLOADER_USB_MODE
577 button_init_device();
578 #else
579 button_init();
580 #endif
581 #if defined(SANSA_E200) || defined(PHILIPS_SA9200)
582 i2c_init();
583 _backlight_on();
584 #endif
586 if (button_hold())
588 verbose = true;
589 lcd_clear_display();
590 printf("Hold switch on");
591 printf("Shutting down...");
592 sleep(HZ);
593 power_off();
596 btn = button_read_device();
598 /* Enable bootloader messages if any button is pressed */
599 #ifdef HAVE_BOOTLOADER_USB_MODE
600 lcd_clear_display();
601 if (btn)
602 verbose = true;
603 #else
604 if (btn) {
605 lcd_clear_display();
606 verbose = true;
608 #endif
610 lcd_setfont(FONT_SYSFIXED);
612 printf("Rockbox boot loader");
613 printf("Version: " RBVERSION);
614 printf(MODEL_NAME);
616 i=storage_init();
617 #if !(CONFIG_STORAGE & STORAGE_SD)
618 if (i==0) {
619 identify_info=ata_get_identify();
620 /* Show model */
621 for (i=0; i < 20; i++) {
622 ((unsigned short*)buf)[i]=htobe16(identify_info[i+27]);
624 buf[40]=0;
625 for (i=39; i && buf[i]==' '; i--) {
626 buf[i]=0;
628 printf(buf);
629 } else {
630 error(EATA, i, true);
632 #endif
634 disk_init(IF_MV(0));
635 num_partitions = disk_mount_all();
636 if (num_partitions<=0)
638 error(EDISK,num_partitions, true);
641 /* Just list the first 2 partitions since we don't have any devices yet
642 that have more than that */
643 for(i=0; i<NUM_PARTITIONS; i++)
645 pinfo = disk_partinfo(i);
646 printf("Partition %d: 0x%02x %ld MB",
647 i, pinfo->type, pinfo->size / 2048);
650 /* Now that storage is initialized, check for USB connection */
651 if ((btn & BOOTLOADER_BOOT_OF) == 0)
653 usb_pin_init();
654 usb = handle_usb(HZ*2);
655 if (usb == USB_INSERTED)
656 btn |= BOOTLOADER_BOOT_OF;
659 /* Try loading Rockbox, if that fails, fall back to the OF */
660 if((btn & BOOTLOADER_BOOT_OF) == 0)
662 printf("Loading Rockbox...");
663 rc = load_mi4(loadbuffer, BOOTFILE, MAX_LOADSIZE);
664 if (rc < EOK)
666 bool old_verbose = verbose;
667 verbose = true;
668 printf("Can't load " BOOTFILE ": ");
669 printf(strerror(rc));
670 verbose = old_verbose;
671 btn |= BOOTLOADER_BOOT_OF;
672 sleep(5*HZ);
674 else
675 goto main_exit;
678 if(btn & BOOTLOADER_BOOT_OF)
680 /* Load original mi4 firmware in to a memory buffer called loadbuffer.
681 The rest of the loading is done in crt0.S.
682 1) First try reading from the hidden partition (on Sansa only).
683 2) Next try a decrypted mi4 file in /System/OF.mi4
684 3) Finally, try a raw firmware binary in /System/OF.bin. It should be
685 a mi4 firmware decrypted and header stripped using mi4code.
687 printf("Loading original firmware...");
689 #if (CONFIG_STORAGE & STORAGE_SD)
690 /* First try a (hidden) firmware partition */
691 printf("Trying firmware partition");
692 pinfo = disk_partinfo(1);
693 if(pinfo->type == PARTITION_TYPE_OS2_HIDDEN_C_DRIVE)
695 rc = load_mi4_part(loadbuffer, pinfo, MAX_LOADSIZE,
696 usb == USB_INSERTED);
697 if (rc < EOK) {
698 printf("Can't load from partition");
699 printf(strerror(rc));
700 } else {
701 goto main_exit;
703 } else {
704 printf("No hidden partition found.");
706 #endif
708 #if defined(PHILIPS_HDD1630) || defined(PHILIPS_HDD6330) || defined(PHILIPS_SA9200)
709 printf("Trying /System/OF.ebn");
710 rc=load_mi4(loadbuffer, "/System/OF.ebn", MAX_LOADSIZE);
711 if (rc < EOK) {
712 printf("Can't load /System/OF.ebn");
713 printf(strerror(rc));
714 } else {
715 goto main_exit;
717 #endif
719 printf("Trying /System/OF.mi4");
720 rc=load_mi4(loadbuffer, "/System/OF.mi4", MAX_LOADSIZE);
721 if (rc < EOK) {
722 printf("Can't load /System/OF.mi4");
723 printf(strerror(rc));
724 } else {
725 #if defined(SAMSUNG_YH925)
726 lcd_reset();
727 #endif
728 goto main_exit;
731 printf("Trying /System/OF.bin");
732 rc=load_raw_firmware(loadbuffer, "/System/OF.bin", MAX_LOADSIZE);
733 if (rc < EOK) {
734 printf("Can't load /System/OF.bin");
735 printf(strerror(rc));
736 } else {
737 #if defined(SAMSUNG_YH925)
738 lcd_reset();
739 #endif
740 goto main_exit;
743 error(0, 0, true);
746 main_exit:
747 #ifdef HAVE_BOOTLOADER_USB_MODE
748 storage_close();
749 system_prepare_fw_start();
750 #endif
752 return (void*)loadbuffer;