blob: 5e20142a59d6763310a030a3d7bbb1f6abd027f6 [file] [log] [blame]
Hristo Kovachev9dc0e622006-08-11 08:35:27 +00001/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2006 by Barry Wardell
11 *
12 * Based on Rockbox iriver bootloader by Linus Nielsen Feltzing
13 * and the ipodlinux bootloader by Daniel Palffy and Bernard Leach
14 *
Daniel Stenberg2acc0ac2008-06-28 18:10:04 +000015 * 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.
Hristo Kovachev9dc0e622006-08-11 08:35:27 +000019 *
20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21 * KIND, either express or implied.
22 *
23 ****************************************************************************/
Jonathan Gordonceb1e7a2007-03-22 12:55:51 +000024#include <stdio.h>
25#include <stdlib.h>
Barry Wardell84b509d2007-01-28 18:42:11 +000026#include "common.h"
Hristo Kovachev9dc0e622006-08-11 08:35:27 +000027#include "cpu.h"
Hristo Kovachev9dc0e622006-08-11 08:35:27 +000028#include "file.h"
Barry Wardell84b509d2007-01-28 18:42:11 +000029#include "system.h"
30#include "kernel.h"
31#include "lcd.h"
32#include "font.h"
33#include "ata.h"
Barry Wardell1ac260c2008-08-07 11:23:40 +000034#include "adc.h"
Barry Wardell84b509d2007-01-28 18:42:11 +000035#include "button.h"
36#include "disk.h"
Barry Wardell54c73a22007-06-04 13:48:21 +000037#include "crc32-mi4.h"
Barry Wardell14ed3ca2007-03-16 14:28:00 +000038#include <string.h>
Jonathan Gordonfc8e09d2007-11-19 02:07:40 +000039#include "power.h"
Mark Arigob4275d42008-05-21 03:55:17 +000040#if defined(SANSA_E200) || defined(PHILIPS_SA9200)
Barry Wardellf1fead02007-10-14 18:20:23 +000041#include "i2c.h"
42#include "backlight-target.h"
43#endif
Mark Arigob4275d42008-05-21 03:55:17 +000044#if defined(SANSA_E200) || defined(SANSA_C200) || defined(PHILIPS_SA9200)
Jonathan Gordonceb1e7a2007-03-22 12:55:51 +000045#include "usb.h"
Björn Stenberg7af22e12007-11-22 22:17:45 +000046#include "usb_drv.h"
Jonathan Gordonceb1e7a2007-03-22 12:55:51 +000047#endif
Barry Wardell14ed3ca2007-03-16 14:28:00 +000048
Barry Wardell940091a2008-05-05 12:05:00 +000049/* Show the Rockbox logo - in show_logo.c */
50extern int show_logo(void);
Jonathan Gordonceb1e7a2007-03-22 12:55:51 +000051
52/* Button definitions */
53#if CONFIG_KEYPAD == IRIVER_H10_PAD
54#define BOOTLOADER_BOOT_OF BUTTON_LEFT
55
56#elif CONFIG_KEYPAD == SANSA_E200_PAD
57#define BOOTLOADER_BOOT_OF BUTTON_LEFT
58
Mark Arigodbc6b4e2007-09-06 03:28:58 +000059#elif CONFIG_KEYPAD == SANSA_C200_PAD
60#define BOOTLOADER_BOOT_OF BUTTON_LEFT
61
Mark Arigoe66ddd72008-01-09 07:24:43 +000062#elif CONFIG_KEYPAD == MROBE100_PAD
Robert Kukla6ef63a52008-03-05 00:17:21 +000063#define BOOTLOADER_BOOT_OF BUTTON_POWER
Mark Arigoe66ddd72008-01-09 07:24:43 +000064
Mark Arigob4275d42008-05-21 03:55:17 +000065#elif CONFIG_KEYPAD == PHILIPS_SA9200_PAD
66#define BOOTLOADER_BOOT_OF BUTTON_VOL_UP
Mark Arigo22e7bf32008-06-27 18:40:25 +000067
68#elif CONFIG_KEYPAD == PHILIPS_HDD1630_PAD
69#define BOOTLOADER_BOOT_OF BUTTON_MENU
70
Jonathan Gordonceb1e7a2007-03-22 12:55:51 +000071#endif
72
73/* Maximum allowed firmware image size. 10MB is more than enough */
74#define MAX_LOADSIZE (10*1024*1024)
75
76/* A buffer to load the original firmware or Rockbox into */
77unsigned char *loadbuffer = (unsigned char *)DRAM_START;
78
79/* Bootloader version */
80char version[] = APPSVERSION;
81
Barry Wardell3de41f52007-03-20 20:45:25 +000082/* Locations and sizes in hidden partition on Sansa */
Mark Arigob4275d42008-05-21 03:55:17 +000083#if defined(HAVE_ATA_SD)
Barry Wardell3de41f52007-03-20 20:45:25 +000084#define PPMI_SECTOR_OFFSET 1024
85#define PPMI_SECTORS 1
86#define MI4_HEADER_SECTORS 1
Barry Wardell7cd559d2007-03-20 22:18:35 +000087#define NUM_PARTITIONS 2
88
89#else
Barry Wardell7cd559d2007-03-20 22:18:35 +000090#define NUM_PARTITIONS 1
91
92#endif
Barry Wardell3de41f52007-03-20 20:45:25 +000093
Barry Wardell7e03b0a2007-03-20 22:56:51 +000094#define MI4_HEADER_SIZE 0x200
95
Barry Wardell3de41f52007-03-20 20:45:25 +000096/* mi4 header structure */
97struct mi4header_t {
98 unsigned char magic[4];
99 uint32_t version;
100 uint32_t length;
101 uint32_t crc32;
102 uint32_t enctype;
103 uint32_t mi4size;
104 uint32_t plaintext;
105 uint32_t dsa_key[10];
106 uint32_t pad[109];
107 unsigned char type[4];
108 unsigned char model[4];
109};
110
111/* PPMI header structure */
112struct ppmi_header_t {
113 unsigned char magic[4];
114 uint32_t length;
115 uint32_t pad[126];
116};
117
118inline unsigned int le2int(unsigned char* buf)
119{
120 int32_t res = (buf[3] << 24) | (buf[2] << 16) | (buf[1] << 8) | buf[0];
121
122 return res;
123}
124
125inline void int2le(unsigned int val, unsigned char* addr)
126{
127 addr[0] = val & 0xFF;
128 addr[1] = (val >> 8) & 0xff;
129 addr[2] = (val >> 16) & 0xff;
130 addr[3] = (val >> 24) & 0xff;
131}
132
133struct tea_key {
134 const char * name;
135 uint32_t key[4];
136};
137
Daniel Stenberg87014942007-09-03 21:23:57 +0000138#define NUM_KEYS (sizeof(tea_keytable)/sizeof(tea_keytable[0]))
Barry Wardell3de41f52007-03-20 20:45:25 +0000139struct tea_key tea_keytable[] = {
140 { "default" , { 0x20d36cc0, 0x10e8c07d, 0xc0e7dcaa, 0x107eb080 } },
141 { "sansa", { 0xe494e96e, 0x3ee32966, 0x6f48512b, 0xa93fbb42 } },
142 { "sansa_gh", { 0xd7b10538, 0xc662945b, 0x1b3fce68, 0xf389c0e6 } },
Daniel Stenberg87014942007-09-03 21:23:57 +0000143 { "sansa_103", { 0x1d29ddc0, 0x2579c2cd, 0xce339e1a, 0x75465dfe } },
Barry Wardell3de41f52007-03-20 20:45:25 +0000144 { "rhapsody", { 0x7aa9c8dc, 0xbed0a82a, 0x16204cc7, 0x5904ef38 } },
145 { "p610", { 0x950e83dc, 0xec4907f9, 0x023734b9, 0x10cfb7c7 } },
146 { "p640", { 0x220c5f23, 0xd04df68e, 0x431b5e25, 0x4dcc1fa1 } },
147 { "virgin", { 0xe83c29a1, 0x04862973, 0xa9b3f0d4, 0x38be2a9c } },
148 { "20gc_eng", { 0x0240772c, 0x6f3329b5, 0x3ec9a6c5, 0xb0c9e493 } },
149 { "20gc_fre", { 0xbede8817, 0xb23bfe4f, 0x80aa682d, 0xd13f598c } },
150 { "elio_p722", { 0x6af3b9f8, 0x777483f5, 0xae8181cc, 0xfa6d8a84 } },
151 { "c200", { 0xbf2d06fa, 0xf0e23d59, 0x29738132, 0xe2d04ca7 } },
Daniel Stenberg98a39fb2007-09-18 13:58:12 +0000152 { "c200_103", { 0x2a7968de, 0x15127979, 0x142e60a7, 0xe49c1893 } },
Daniel Stenberg87014942007-09-03 21:23:57 +0000153 { "c200_106", { 0xa913d139, 0xf842f398, 0x3e03f1a6, 0x060ee012 } },
Daniel Stenberg7387a042008-04-11 21:11:55 +0000154 { "view", { 0x70e19bda, 0x0c69ea7d, 0x2b8b1ad1, 0xe9767ced } },
Mark Arigof46a7532008-04-11 03:57:16 +0000155 { "sa9200", { 0x33ea0236, 0x9247bdc5, 0xdfaedf9f, 0xd67c9d30 } },
Mark Arigobadb6da2008-05-30 04:14:23 +0000156 { "hdd1630", { 0x04543ced, 0xcebfdbad, 0xf7477872, 0x0d12342e } },
Barry Wardell3de41f52007-03-20 20:45:25 +0000157};
158
159/*
160
161tea_decrypt() from http://en.wikipedia.org/wiki/Tiny_Encryption_Algorithm
162
163"Following is an adaptation of the reference encryption and decryption
164routines in C, released into the public domain by David Wheeler and
165Roger Needham:"
166
167*/
168
169/* NOTE: The mi4 version of TEA uses a different initial value to sum compared
170 to the reference implementation and the main loop is 8 iterations, not
171 32.
172*/
173
174static void tea_decrypt(uint32_t* v0, uint32_t* v1, uint32_t* k) {
175 uint32_t sum=0xF1BBCDC8, i; /* set up */
176 uint32_t delta=0x9E3779B9; /* a key schedule constant */
177 uint32_t k0=k[0], k1=k[1], k2=k[2], k3=k[3]; /* cache key */
178 for(i=0; i<8; i++) { /* basic cycle start */
179 *v1 -= ((*v0<<4) + k2) ^ (*v0 + sum) ^ ((*v0>>5) + k3);
180 *v0 -= ((*v1<<4) + k0) ^ (*v1 + sum) ^ ((*v1>>5) + k1);
181 sum -= delta; /* end cycle */
182 }
183}
184
185/* mi4 files are encrypted in 64-bit blocks (two little-endian 32-bit
186 integers) and the key is incremented after each block
187 */
188
189static void tea_decrypt_buf(unsigned char* src, unsigned char* dest, size_t n, uint32_t * key)
190{
191 uint32_t v0, v1;
192 unsigned int i;
193
194 for (i = 0; i < (n / 8); i++) {
195 v0 = le2int(src);
196 v1 = le2int(src+4);
197
198 tea_decrypt(&v0, &v1, key);
199
200 int2le(v0, dest);
201 int2le(v1, dest+4);
202
203 src += 8;
204 dest += 8;
205
206 /* Now increment the key */
207 key[0]++;
208 if (key[0]==0) {
209 key[1]++;
210 if (key[1]==0) {
211 key[2]++;
212 if (key[2]==0) {
213 key[3]++;
214 }
215 }
216 }
217 }
218}
219
220static inline bool tea_test_key(unsigned char magic_enc[8], uint32_t * key, int unaligned)
221{
222 unsigned char magic_dec[8];
223 tea_decrypt_buf(magic_enc, magic_dec, 8, key);
224
225 return (le2int(&magic_dec[4*unaligned]) == 0xaa55aa55);
226}
227
228static int tea_find_key(struct mi4header_t *mi4header, int fd)
229{
Daniel Stenberg9b3be372007-09-03 21:26:39 +0000230 unsigned int i;
231 int rc;
Barry Wardell3de41f52007-03-20 20:45:25 +0000232 unsigned int j;
233 uint32_t key[4];
234 unsigned char magic_enc[8];
235 int key_found = -1;
236 unsigned int magic_location = mi4header->length-4;
237 int unaligned = 0;
238
239 if ( (magic_location % 8) != 0 )
240 {
241 unaligned = 1;
242 magic_location -= 4;
243 }
244
245 /* Load encrypted magic 0xaa55aa55 to check key */
246 lseek(fd, MI4_HEADER_SIZE + magic_location, SEEK_SET);
247 rc = read(fd, magic_enc, 8);
248 if(rc < 8 )
249 return EREAD_IMAGE_FAILED;
250
Barry Wardell7cd559d2007-03-20 22:18:35 +0000251 printf("Searching for key:");
Barry Wardell3de41f52007-03-20 20:45:25 +0000252
253 for (i=0; i < NUM_KEYS && (key_found<0) ; i++) {
254 key[0] = tea_keytable[i].key[0];
255 key[1] = tea_keytable[i].key[1];
256 key[2] = tea_keytable[i].key[2];
257 key[3] = tea_keytable[i].key[3];
258
259 /* Now increment the key */
260 for(j=0; j<((magic_location-mi4header->plaintext)/8); j++){
261 key[0]++;
262 if (key[0]==0) {
263 key[1]++;
264 if (key[1]==0) {
265 key[2]++;
266 if (key[2]==0) {
267 key[3]++;
268 }
269 }
270 }
271 }
272
273 if (tea_test_key(magic_enc,key,unaligned))
274 {
275 key_found = i;
276 printf("%s...found", tea_keytable[i].name);
277 } else {
Barry Wardell7cd559d2007-03-20 22:18:35 +0000278 /* printf("%s...failed", tea_keytable[i].name); */
Barry Wardell3de41f52007-03-20 20:45:25 +0000279 }
280 }
281
282 return key_found;
283}
Barry Wardell23709982007-03-12 22:12:20 +0000284
Hristo Kovachev9dc0e622006-08-11 08:35:27 +0000285
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000286/* Load mi4 format firmware image */
287int load_mi4(unsigned char* buf, char* firmware, unsigned int buffer_size)
288{
289 int fd;
290 struct mi4header_t mi4header;
291 int rc;
292 unsigned long sum;
293 char filename[MAX_PATH];
294
295 snprintf(filename,sizeof(filename),"/.rockbox/%s",firmware);
296 fd = open(filename, O_RDONLY);
297 if(fd < 0)
298 {
299 snprintf(filename,sizeof(filename),"/%s",firmware);
300 fd = open(filename, O_RDONLY);
301 if(fd < 0)
302 return EFILE_NOT_FOUND;
303 }
304
Barry Wardelle293bbb2007-03-17 19:07:20 +0000305 read(fd, &mi4header, MI4_HEADER_SIZE);
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000306
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000307 /* MI4 file size */
Barry Wardellbada0b72007-03-20 12:35:45 +0000308 printf("mi4 size: %x", mi4header.mi4size);
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000309
Barry Wardellbada0b72007-03-20 12:35:45 +0000310 if ((mi4header.mi4size-MI4_HEADER_SIZE) > buffer_size)
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000311 return EFILE_TOO_BIG;
312
313 /* CRC32 */
314 printf("CRC32: %x", mi4header.crc32);
315
316 /* Rockbox model id */
Barry Wardellca8f7bf2007-03-19 11:20:22 +0000317 printf("Model id: %.4s", mi4header.model);
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000318
319 /* Read binary type (RBOS, RBBL) */
Barry Wardellca8f7bf2007-03-19 11:20:22 +0000320 printf("Binary type: %.4s", mi4header.type);
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000321
Barry Wardell9a9aebb2007-03-20 22:02:26 +0000322 /* Load firmware file */
323 lseek(fd, MI4_HEADER_SIZE, SEEK_SET);
324 rc = read(fd, buf, mi4header.mi4size-MI4_HEADER_SIZE);
325 if(rc < (int)mi4header.mi4size-MI4_HEADER_SIZE)
326 return EREAD_IMAGE_FAILED;
327
328 /* Check CRC32 to see if we have a valid file */
329 sum = chksum_crc32 (buf, mi4header.mi4size - MI4_HEADER_SIZE);
330
331 printf("Calculated CRC32: %x", sum);
332
333 if(sum != mi4header.crc32)
334 return EBAD_CHKSUM;
335
336 if( (mi4header.plaintext + MI4_HEADER_SIZE) != mi4header.mi4size)
Barry Wardell3de41f52007-03-20 20:45:25 +0000337 {
338 /* Load encrypted firmware */
339 int key_index = tea_find_key(&mi4header, fd);
Barry Wardell3de41f52007-03-20 20:45:25 +0000340
341 if (key_index < 0)
342 return EINVALID_FORMAT;
343
Barry Wardell9a9aebb2007-03-20 22:02:26 +0000344 /* Plaintext part is already loaded */
Barry Wardell3de41f52007-03-20 20:45:25 +0000345 buf += mi4header.plaintext;
346
Barry Wardell9a9aebb2007-03-20 22:02:26 +0000347 /* Decrypt in-place */
348 tea_decrypt_buf(buf, buf,
349 mi4header.mi4size-(mi4header.plaintext+MI4_HEADER_SIZE),
350 tea_keytable[key_index].key);
351
Barry Wardell3de41f52007-03-20 20:45:25 +0000352 printf("%s key used", tea_keytable[key_index].name);
Barry Wardell9a9aebb2007-03-20 22:02:26 +0000353
354 /* Check decryption was successfull */
Barry Wardell7cd559d2007-03-20 22:18:35 +0000355 if(le2int(&buf[mi4header.length-mi4header.plaintext-4]) != 0xaa55aa55)
Barry Wardell9a9aebb2007-03-20 22:02:26 +0000356 {
Barry Wardell3de41f52007-03-20 20:45:25 +0000357 return EREAD_IMAGE_FAILED;
Barry Wardell9a9aebb2007-03-20 22:02:26 +0000358 }
Barry Wardell3de41f52007-03-20 20:45:25 +0000359 }
360
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000361 return EOK;
362}
363
Mark Arigob4275d42008-05-21 03:55:17 +0000364#if defined(HAVE_ATA_SD)
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000365/* Load mi4 firmware from a hidden disk partition */
Jonathan Gordona76947f2007-03-22 12:45:19 +0000366int load_mi4_part(unsigned char* buf, struct partinfo* pinfo,
367 unsigned int buffer_size, bool disable_rebuild)
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000368{
369 struct mi4header_t mi4header;
370 struct ppmi_header_t ppmi_header;
371 unsigned long sum;
372
373 /* Read header to find out how long the mi4 file is. */
Michael Sevakis1167e3c2007-06-30 02:08:27 +0000374 ata_read_sectors(IF_MV2(0,) pinfo->start + PPMI_SECTOR_OFFSET,
Barry Wardelle293bbb2007-03-17 19:07:20 +0000375 PPMI_SECTORS, &ppmi_header);
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000376
377 /* The first four characters at 0x80000 (sector 1024) should be PPMI*/
378 if( memcmp(ppmi_header.magic, "PPMI", 4) )
379 return EFILE_NOT_FOUND;
380
381 printf("BL mi4 size: %x", ppmi_header.length);
382
383 /* Read mi4 header of the OF */
Michael Sevakis1167e3c2007-06-30 02:08:27 +0000384 ata_read_sectors(IF_MV2(0,) pinfo->start + PPMI_SECTOR_OFFSET + PPMI_SECTORS
Barry Wardelle293bbb2007-03-17 19:07:20 +0000385 + (ppmi_header.length/512), MI4_HEADER_SECTORS, &mi4header);
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000386
387 /* We don't support encrypted mi4 files yet */
Barry Wardellbada0b72007-03-20 12:35:45 +0000388 if( (mi4header.plaintext) != (mi4header.mi4size-MI4_HEADER_SIZE))
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000389 return EINVALID_FORMAT;
390
391 /* MI4 file size */
Barry Wardellbada0b72007-03-20 12:35:45 +0000392 printf("OF mi4 size: %x", mi4header.mi4size);
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000393
Barry Wardellbada0b72007-03-20 12:35:45 +0000394 if ((mi4header.mi4size-MI4_HEADER_SIZE) > buffer_size)
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000395 return EFILE_TOO_BIG;
396
397 /* CRC32 */
398 printf("CRC32: %x", mi4header.crc32);
399
400 /* Rockbox model id */
Barry Wardellca8f7bf2007-03-19 11:20:22 +0000401 printf("Model id: %.4s", mi4header.model);
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000402
403 /* Read binary type (RBOS, RBBL) */
Barry Wardellca8f7bf2007-03-19 11:20:22 +0000404 printf("Binary type: %.4s", mi4header.type);
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000405
406 /* Load firmware */
Michael Sevakis1167e3c2007-06-30 02:08:27 +0000407 ata_read_sectors(IF_MV2(0,) pinfo->start + PPMI_SECTOR_OFFSET + PPMI_SECTORS
Barry Wardelle293bbb2007-03-17 19:07:20 +0000408 + (ppmi_header.length/512) + MI4_HEADER_SECTORS,
Barry Wardellbada0b72007-03-20 12:35:45 +0000409 (mi4header.mi4size-MI4_HEADER_SIZE)/512, buf);
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000410
411 /* Check CRC32 to see if we have a valid file */
Barry Wardelle293bbb2007-03-17 19:07:20 +0000412 sum = chksum_crc32 (buf,mi4header.mi4size-MI4_HEADER_SIZE);
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000413
414 printf("Calculated CRC32: %x", sum);
415
416 if(sum != mi4header.crc32)
417 return EBAD_CHKSUM;
418
Barry Wardelld46cf972007-10-20 17:08:41 +0000419#ifdef SANSA_E200
Jonathan Gordona76947f2007-03-22 12:45:19 +0000420 if (disable_rebuild)
421 {
422 char block[512];
Barry Wardelld46cf972007-10-20 17:08:41 +0000423
424 printf("Disabling database rebuild");
425
426 ata_read_sectors(IF_MV2(0,) pinfo->start + 0x3c08, 1, block);
427 block[0xe1] = 0;
428 ata_write_sectors(IF_MV2(0,) pinfo->start + 0x3c08, 1, block);
Jonathan Gordona76947f2007-03-22 12:45:19 +0000429 }
Barry Wardell8b6bf8f2007-10-20 18:30:41 +0000430#else
431 (void) disable_rebuild;
Barry Wardelld46cf972007-10-20 17:08:41 +0000432#endif
433
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000434 return EOK;
435}
Barry Wardella91a35b2007-03-16 14:36:14 +0000436#endif
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000437
Barry Wardell1920df32006-08-28 08:11:32 +0000438void* main(void)
439{
Barry Wardell1920df32006-08-28 08:11:32 +0000440 int i;
Barry Wardell23709982007-03-12 22:12:20 +0000441 int btn;
Barry Wardell1920df32006-08-28 08:11:32 +0000442 int rc;
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000443 int num_partitions;
Barry Wardell1920df32006-08-28 08:11:32 +0000444 struct partinfo* pinfo;
Mark Arigob4275d42008-05-21 03:55:17 +0000445#if defined(SANSA_E200) || defined(SANSA_C200) || defined(PHILIPS_SA9200)
Jonathan Gordona76947f2007-03-22 12:45:19 +0000446 int usb_retry = 0;
447 bool usb = false;
Mark Arigodbc6b4e2007-09-06 03:28:58 +0000448#else
449 char buf[256];
450 unsigned short* identify_info;
Jonathan Gordona76947f2007-03-22 12:45:19 +0000451#endif
Hristo Kovachev9dc0e622006-08-11 08:35:27 +0000452
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000453 chksum_crc32gentab ();
454
Barry Wardell1920df32006-08-28 08:11:32 +0000455 system_init();
456 kernel_init();
Barry Wardell940091a2008-05-05 12:05:00 +0000457
Barry Wardell1920df32006-08-28 08:11:32 +0000458 lcd_init();
Barry Wardell940091a2008-05-05 12:05:00 +0000459
Barry Wardell1920df32006-08-28 08:11:32 +0000460 font_init();
Barry Wardell940091a2008-05-05 12:05:00 +0000461 show_logo();
462
Barry Wardell1ac260c2008-08-07 11:23:40 +0000463 adc_init();
Barry Wardell2f16d4f2006-12-19 11:33:53 +0000464 button_init();
Mark Arigob4275d42008-05-21 03:55:17 +0000465#if defined(SANSA_E200) || defined(PHILIPS_SA9200)
Barry Wardellf1fead02007-10-14 18:20:23 +0000466 i2c_init();
Jens Arnoldef12b3b2007-11-12 18:49:53 +0000467 _backlight_on();
Barry Wardellf1fead02007-10-14 18:20:23 +0000468#endif
Mark Arigoe66ddd72008-01-09 07:24:43 +0000469
Jonathan Gordonfc8e09d2007-11-19 02:07:40 +0000470 if (button_hold())
471 {
472 verbose = true;
Barry Wardell940091a2008-05-05 12:05:00 +0000473 lcd_clear_display();
Jonathan Gordonfc8e09d2007-11-19 02:07:40 +0000474 printf("Hold switch on");
475 printf("Shutting down...");
476 sleep(HZ);
477 power_off();
478 }
Mark Arigob4275d42008-05-21 03:55:17 +0000479
Barry Wardell23709982007-03-12 22:12:20 +0000480 btn = button_read_device();
Dave Chapmanf0cde2d2008-03-27 00:31:51 +0000481
482 /* Enable bootloader messages if any button is pressed */
Barry Wardell940091a2008-05-05 12:05:00 +0000483 if (btn) {
484 lcd_clear_display();
Dave Chapmanf0cde2d2008-03-27 00:31:51 +0000485 verbose = true;
Barry Wardell940091a2008-05-05 12:05:00 +0000486 }
Dave Chapmanf0cde2d2008-03-27 00:31:51 +0000487
Mark Arigob4275d42008-05-21 03:55:17 +0000488#if defined(SANSA_E200) || defined(SANSA_C200) || defined(PHILIPS_SA9200)
Björn Stenberg2f7cffa2008-02-11 14:26:25 +0000489#if !defined(USE_ROCKBOX_USB)
Jonathan Gordona76947f2007-03-22 12:45:19 +0000490 usb_init();
Björn Stenberg7af22e12007-11-22 22:17:45 +0000491 while (usb_drv_powered() && usb_retry < 5 && !usb)
Jonathan Gordona76947f2007-03-22 12:45:19 +0000492 {
493 usb_retry++;
494 sleep(HZ/4);
Dave Chapman16723502007-09-04 08:03:07 +0000495 usb = (usb_detect() == USB_INSERTED);
Jonathan Gordona76947f2007-03-22 12:45:19 +0000496 }
497 if (usb)
498 btn |= BOOTLOADER_BOOT_OF;
Björn Stenberg2f7cffa2008-02-11 14:26:25 +0000499#endif /* USE_ROCKBOX_USB */
Jonathan Gordona76947f2007-03-22 12:45:19 +0000500#endif
Barry Wardell23709982007-03-12 22:12:20 +0000501
Barry Wardell1920df32006-08-28 08:11:32 +0000502 lcd_setfont(FONT_SYSFIXED);
503
Barry Wardellf4709d02007-01-17 12:20:38 +0000504 printf("Rockbox boot loader");
Barry Wardellca8f7bf2007-03-19 11:20:22 +0000505 printf("Version: %s", version);
Barry Wardellf4709d02007-01-17 12:20:38 +0000506 printf(MODEL_NAME);
Barry Wardell1920df32006-08-28 08:11:32 +0000507
508 i=ata_init();
Mark Arigob4275d42008-05-21 03:55:17 +0000509#if !defined(HAVE_ATA_SD)
Barry Wardell1920df32006-08-28 08:11:32 +0000510 if (i==0) {
Barry Wardell84b509d2007-01-28 18:42:11 +0000511 identify_info=ata_get_identify();
512 /* Show model */
513 for (i=0; i < 20; i++) {
514 ((unsigned short*)buf)[i]=htobe16(identify_info[i+27]);
515 }
516 buf[40]=0;
517 for (i=39; i && buf[i]==' '; i--) {
518 buf[i]=0;
519 }
520 printf(buf);
Barry Wardell1920df32006-08-28 08:11:32 +0000521 } else {
Barry Wardell23709982007-03-12 22:12:20 +0000522 error(EATA, i);
Barry Wardell1920df32006-08-28 08:11:32 +0000523 }
Michael Sevakis1167e3c2007-06-30 02:08:27 +0000524#endif
Barry Wardell1920df32006-08-28 08:11:32 +0000525
Michael Sevakis1167e3c2007-06-30 02:08:27 +0000526 disk_init(IF_MV(0));
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000527 num_partitions = disk_mount_all();
528 if (num_partitions<=0)
Barry Wardell1920df32006-08-28 08:11:32 +0000529 {
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000530 error(EDISK,num_partitions);
Barry Wardell1920df32006-08-28 08:11:32 +0000531 }
532
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000533 /* Just list the first 2 partitions since we don't have any devices yet
534 that have more than that */
Barry Wardell7cd559d2007-03-20 22:18:35 +0000535 for(i=0; i<NUM_PARTITIONS; i++)
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000536 {
537 pinfo = disk_partinfo(i);
538 printf("Partition %d: 0x%02x %ld MB",
539 i, pinfo->type, pinfo->size / 2048);
540 }
Barry Wardell1920df32006-08-28 08:11:32 +0000541
Barry Wardella42070d2007-03-15 22:32:58 +0000542 if(btn & BOOTLOADER_BOOT_OF)
Barry Wardell1920df32006-08-28 08:11:32 +0000543 {
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000544 /* Load original mi4 firmware in to a memory buffer called loadbuffer.
545 The rest of the loading is done in crt0.S.
546 1) First try reading from the hidden partition (on Sansa only).
547 2) Next try a decrypted mi4 file in /System/OF.mi4
548 3) Finally, try a raw firmware binary in /System/OF.mi4. It should be
549 a mi4 firmware decrypted and header stripped using mi4code.
Barry Wardell84b509d2007-01-28 18:42:11 +0000550 */
Barry Wardellf4709d02007-01-17 12:20:38 +0000551 printf("Loading original firmware...");
Barry Wardella91a35b2007-03-16 14:36:14 +0000552
Mark Arigob4275d42008-05-21 03:55:17 +0000553#if defined(HAVE_ATA_SD)
Barry Wardella91a35b2007-03-16 14:36:14 +0000554 /* First try a (hidden) firmware partition */
555 printf("Trying firmware partition");
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000556 pinfo = disk_partinfo(1);
Barry Wardellb8a5adf2007-03-16 14:41:55 +0000557 if(pinfo->type == PARTITION_TYPE_OS2_HIDDEN_C_DRIVE)
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000558 {
Jonathan Gordona76947f2007-03-22 12:45:19 +0000559 rc = load_mi4_part(loadbuffer, pinfo, MAX_LOADSIZE, usb);
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000560 if (rc < EOK) {
561 printf("Can't load from partition");
562 printf(strerror(rc));
563 } else {
564 return (void*)loadbuffer;
565 }
566 } else {
567 printf("No hidden partition found.");
568 }
Barry Wardella91a35b2007-03-16 14:36:14 +0000569#endif
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000570
571 printf("Trying /System/OF.mi4");
572 rc=load_mi4(loadbuffer, "/System/OF.mi4", MAX_LOADSIZE);
573 if (rc < EOK) {
574 printf("Can't load /System/OF.mi4");
575 printf(strerror(rc));
576 } else {
577 return (void*)loadbuffer;
578 }
579
580 printf("Trying /System/OF.bin");
Barry Wardell84b509d2007-01-28 18:42:11 +0000581 rc=load_raw_firmware(loadbuffer, "/System/OF.bin", MAX_LOADSIZE);
582 if (rc < EOK) {
Barry Wardell23709982007-03-12 22:12:20 +0000583 printf("Can't load /System/OF.bin");
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000584 printf(strerror(rc));
585 } else {
586 return (void*)loadbuffer;
Barry Wardell84b509d2007-01-28 18:42:11 +0000587 }
Barry Wardell0c1a3042007-03-20 10:36:26 +0000588
Barry Wardell3de41f52007-03-20 20:45:25 +0000589 error(0, 0);
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000590
Barry Wardell1920df32006-08-28 08:11:32 +0000591 } else {
Jonathan Gordon875c7252007-05-17 11:35:57 +0000592#if 0 /* e200: enable to be able to dump the hidden partition */
593 if(btn & BUTTON_UP)
594 {
595 int fd;
596 pinfo = disk_partinfo(1);
597 fd = open("/part.bin", O_CREAT|O_RDWR);
598 char sector[512];
599 for(i=0; i<40960; i++){
Jonathan Gordon1062a172007-05-20 03:08:00 +0000600 if (!(i%100))
601 {
602 printf("dumping sector %d", i);
603 }
Barry Wardell003fc492007-10-20 15:41:44 +0000604 ata_read_sectors(IF_MV2(0,) pinfo->start + i, 1, sector);
Jonathan Gordon875c7252007-05-17 11:35:57 +0000605 write(fd,sector,512);
606 }
607 close(fd);
608 }
609#endif
Barry Wardellf4709d02007-01-17 12:20:38 +0000610 printf("Loading Rockbox...");
Barry Wardell14ed3ca2007-03-16 14:28:00 +0000611 rc=load_mi4(loadbuffer, BOOTFILE, MAX_LOADSIZE);
Barry Wardell84b509d2007-01-28 18:42:11 +0000612 if (rc < EOK) {
Barry Wardell84b509d2007-01-28 18:42:11 +0000613 printf("Can't load %s:", BOOTFILE);
Barry Wardelle293bbb2007-03-17 19:07:20 +0000614 printf(strerror(rc));
615
Mark Arigodbc6b4e2007-09-06 03:28:58 +0000616#ifdef OLD_BOOTFILE
Barry Wardelle293bbb2007-03-17 19:07:20 +0000617 /* Try loading rockbox from old rockbox.e200/rockbox.h10 format */
618 rc=load_firmware(loadbuffer, OLD_BOOTFILE, MAX_LOADSIZE);
619 if (rc < EOK) {
620 printf("Can't load %s:", OLD_BOOTFILE);
Barry Wardell0c1a3042007-03-20 10:36:26 +0000621 error(EBOOTFILE, rc);
Barry Wardelle293bbb2007-03-17 19:07:20 +0000622 }
Mark Arigodbc6b4e2007-09-06 03:28:58 +0000623#endif
Barry Wardell84b509d2007-01-28 18:42:11 +0000624 }
Barry Wardell1920df32006-08-28 08:11:32 +0000625 }
Hristo Kovachev12041362006-08-11 09:51:04 +0000626
Barry Wardell84b509d2007-01-28 18:42:11 +0000627 return (void*)loadbuffer;
Hristo Kovachev9dc0e622006-08-11 08:35:27 +0000628}
629
Mark Arigob4275d42008-05-21 03:55:17 +0000630#if !defined(SANSA_E200) && !defined(SANSA_C200) && !defined(PHILIPS_SA9200)
Hristo Kovachev9dc0e622006-08-11 08:35:27 +0000631/* These functions are present in the firmware library, but we reimplement
632 them here because the originals do a lot more than we want */
Hristo Kovachev9dc0e622006-08-11 08:35:27 +0000633void usb_acknowledge(void)
634{
635}
636
637void usb_wait_for_disconnect(void)
638{
639}
Jonathan Gordona76947f2007-03-22 12:45:19 +0000640#endif
641