Brian Swetland | 9c4c075 | 2009-01-25 16:23:50 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2009, Google Inc. |
| 3 | * All rights reserved. |
| 4 | * |
Shashank Mittal | 4f99a88 | 2010-02-01 13:58:50 -0800 | [diff] [blame] | 5 | * Copyright (c) 2009-2010, Code Aurora Forum. All rights reserved. |
Brian Swetland | 9c4c075 | 2009-01-25 16:23:50 -0800 | [diff] [blame] | 6 | * |
Chandan Uddaraju | 5fa471a | 2009-12-02 17:31:34 -0800 | [diff] [blame] | 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions are met: |
| 9 | * * Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * * Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
| 14 | * * Neither the name of Code Aurora nor |
| 15 | * the names of its contributors may be used to endorse or promote |
| 16 | * products derived from this software without specific prior written |
| 17 | * permission. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 20 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 21 | * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 22 | * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| 23 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 24 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 25 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| 26 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 27 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| 28 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| 29 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 30 | * |
Brian Swetland | 9c4c075 | 2009-01-25 16:23:50 -0800 | [diff] [blame] | 31 | */ |
| 32 | |
| 33 | #include <app.h> |
| 34 | #include <debug.h> |
| 35 | #include <arch/arm.h> |
| 36 | #include <dev/udc.h> |
| 37 | #include <string.h> |
| 38 | #include <kernel/thread.h> |
| 39 | #include <arch/ops.h> |
| 40 | |
Dima Zavin | 214cc64 | 2009-01-26 11:16:21 -0800 | [diff] [blame] | 41 | #include <dev/flash.h> |
| 42 | #include <lib/ptable.h> |
Dima Zavin | b428360 | 2009-01-26 16:36:57 -0800 | [diff] [blame] | 43 | #include <dev/keys.h> |
Shashank Mittal | 4f99a88 | 2010-02-01 13:58:50 -0800 | [diff] [blame] | 44 | #include <dev/fbcon.h> |
Dima Zavin | 214cc64 | 2009-01-26 11:16:21 -0800 | [diff] [blame] | 45 | |
Shashank Mittal | 024c033 | 2010-02-03 11:44:00 -0800 | [diff] [blame] | 46 | #include "recovery.h" |
Brian Swetland | 9c4c075 | 2009-01-25 16:23:50 -0800 | [diff] [blame] | 47 | #include "bootimg.h" |
| 48 | #include "fastboot.h" |
| 49 | |
Subbaraman Narayanamurthy | eb92bcc | 2010-07-20 14:32:46 -0700 | [diff] [blame] | 50 | #define EXPAND(NAME) #NAME |
| 51 | #define TARGET(NAME) EXPAND(NAME) |
Chandan Uddaraju | da91983 | 2009-11-17 01:06:11 -0800 | [diff] [blame] | 52 | #define DEFAULT_CMDLINE "mem=100M console=null"; |
Brian Swetland | 2defe16 | 2009-08-18 14:35:59 -0700 | [diff] [blame] | 53 | |
Ajay Dudani | cd01f9b | 2010-02-23 21:13:04 -0800 | [diff] [blame] | 54 | #ifdef MEMBASE |
| 55 | #define EMMC_BOOT_IMG_HEADER_ADDR (0xFF000+(MEMBASE)) |
| 56 | #else |
David Ng | 183a742 | 2009-12-07 14:55:21 -0800 | [diff] [blame] | 57 | #define EMMC_BOOT_IMG_HEADER_ADDR 0xFF000 |
Ajay Dudani | cd01f9b | 2010-02-23 21:13:04 -0800 | [diff] [blame] | 58 | #endif |
| 59 | |
Chandan Uddaraju | de85d3f | 2010-01-05 16:32:33 -0800 | [diff] [blame] | 60 | #define RECOVERY_MODE 0x77665502 |
| 61 | #define FASTBOOT_MODE 0x77665500 |
| 62 | |
David Ng | 183a742 | 2009-12-07 14:55:21 -0800 | [diff] [blame] | 63 | static const char *emmc_cmdline = " androidboot.emmc=true"; |
David Ng | f773dde | 2010-07-26 19:55:08 -0700 | [diff] [blame] | 64 | static const char *battchg_pause = " androidboot.battchg_pause=true"; |
David Ng | 183a742 | 2009-12-07 14:55:21 -0800 | [diff] [blame] | 65 | |
Brian Swetland | 9c4c075 | 2009-01-25 16:23:50 -0800 | [diff] [blame] | 66 | static struct udc_device surf_udc_device = { |
| 67 | .vendor_id = 0x18d1, |
Chandan Uddaraju | c53a1a1 | 2009-11-18 14:53:40 -0800 | [diff] [blame] | 68 | .product_id = 0xD00D, |
Brian Swetland | 9c4c075 | 2009-01-25 16:23:50 -0800 | [diff] [blame] | 69 | .version_id = 0x0100, |
| 70 | .manufacturer = "Google", |
| 71 | .product = "Android", |
| 72 | }; |
| 73 | |
Dima Zavin | 42168f2 | 2009-01-30 11:52:22 -0800 | [diff] [blame] | 74 | struct atag_ptbl_entry |
| 75 | { |
| 76 | char name[16]; |
| 77 | unsigned offset; |
| 78 | unsigned size; |
| 79 | unsigned flags; |
| 80 | }; |
| 81 | |
Brian Swetland | 9c4c075 | 2009-01-25 16:23:50 -0800 | [diff] [blame] | 82 | void platform_uninit_timer(void); |
Chandan Uddaraju | c6860e1 | 2009-11-19 11:22:15 -0800 | [diff] [blame] | 83 | unsigned* target_atag_mem(unsigned* ptr); |
Chandan Uddaraju | 885e4db | 2009-12-03 22:45:26 -0800 | [diff] [blame] | 84 | unsigned board_machtype(void); |
Chandan Uddaraju | de85d3f | 2010-01-05 16:32:33 -0800 | [diff] [blame] | 85 | unsigned check_reboot_mode(void); |
David Ng | 3679bc5 | 2010-02-09 15:43:43 -0800 | [diff] [blame] | 86 | void *target_get_scratch_address(void); |
David Ng | 183a742 | 2009-12-07 14:55:21 -0800 | [diff] [blame] | 87 | int target_is_emmc_boot(void); |
Chandan Uddaraju | 94183c0 | 2010-01-15 15:13:59 -0800 | [diff] [blame] | 88 | void reboot_device(unsigned); |
Chandan Uddaraju | 7f5b901 | 2010-02-06 16:37:48 -0800 | [diff] [blame] | 89 | void target_battery_charging_enable(unsigned enable, unsigned disconnect); |
Bikas Gurung | d48bd24 | 2010-09-04 19:54:32 -0700 | [diff] [blame] | 90 | unsigned int mmc_write (unsigned long long data_addr, |
| 91 | unsigned int data_len, unsigned int* in); |
Shashank Mittal | 920798e | 2010-10-04 17:17:37 -0700 | [diff] [blame] | 92 | unsigned long long mmc_ptn_offset (unsigned char * name); |
| 93 | unsigned long long mmc_ptn_size (unsigned char * name); |
Shashank Mittal | c648e71 | 2010-10-06 18:37:42 -0700 | [diff] [blame] | 94 | void display_shutdown(void); |
Chandan Uddaraju | de85d3f | 2010-01-05 16:32:33 -0800 | [diff] [blame] | 95 | |
Dima Zavin | 42168f2 | 2009-01-30 11:52:22 -0800 | [diff] [blame] | 96 | static void ptentry_to_tag(unsigned **ptr, struct ptentry *ptn) |
| 97 | { |
| 98 | struct atag_ptbl_entry atag_ptn; |
| 99 | |
Shashank Mittal | 8e49dec | 2010-03-01 15:19:04 -0800 | [diff] [blame] | 100 | if (ptn->type == TYPE_MODEM_PARTITION) |
| 101 | return; |
Dima Zavin | 42168f2 | 2009-01-30 11:52:22 -0800 | [diff] [blame] | 102 | memcpy(atag_ptn.name, ptn->name, 16); |
| 103 | atag_ptn.name[15] = '\0'; |
| 104 | atag_ptn.offset = ptn->start; |
| 105 | atag_ptn.size = ptn->length; |
| 106 | atag_ptn.flags = ptn->flags; |
| 107 | memcpy(*ptr, &atag_ptn, sizeof(struct atag_ptbl_entry)); |
| 108 | *ptr += sizeof(struct atag_ptbl_entry) / sizeof(unsigned); |
| 109 | } |
Brian Swetland | 9c4c075 | 2009-01-25 16:23:50 -0800 | [diff] [blame] | 110 | |
| 111 | void boot_linux(void *kernel, unsigned *tags, |
| 112 | const char *cmdline, unsigned machtype, |
| 113 | void *ramdisk, unsigned ramdisk_size) |
| 114 | { |
| 115 | unsigned *ptr = tags; |
Shashank Mittal | 8e49dec | 2010-03-01 15:19:04 -0800 | [diff] [blame] | 116 | unsigned pcount = 0; |
Brian Swetland | 9c4c075 | 2009-01-25 16:23:50 -0800 | [diff] [blame] | 117 | void (*entry)(unsigned,unsigned,unsigned*) = kernel; |
Dima Zavin | 42168f2 | 2009-01-30 11:52:22 -0800 | [diff] [blame] | 118 | struct ptable *ptable; |
David Ng | 183a742 | 2009-12-07 14:55:21 -0800 | [diff] [blame] | 119 | int cmdline_len = 0; |
| 120 | int have_cmdline = 0; |
David Ng | f773dde | 2010-07-26 19:55:08 -0700 | [diff] [blame] | 121 | int pause_at_bootup = 0; |
Brian Swetland | 9c4c075 | 2009-01-25 16:23:50 -0800 | [diff] [blame] | 122 | |
| 123 | /* CORE */ |
| 124 | *ptr++ = 2; |
| 125 | *ptr++ = 0x54410001; |
| 126 | |
| 127 | if (ramdisk_size) { |
| 128 | *ptr++ = 4; |
| 129 | *ptr++ = 0x54420005; |
Dima Zavin | 214cc64 | 2009-01-26 11:16:21 -0800 | [diff] [blame] | 130 | *ptr++ = (unsigned)ramdisk; |
Brian Swetland | 9c4c075 | 2009-01-25 16:23:50 -0800 | [diff] [blame] | 131 | *ptr++ = ramdisk_size; |
| 132 | } |
| 133 | |
Chandan Uddaraju | c6860e1 | 2009-11-19 11:22:15 -0800 | [diff] [blame] | 134 | ptr = target_atag_mem(ptr); |
| 135 | |
David Ng | 183a742 | 2009-12-07 14:55:21 -0800 | [diff] [blame] | 136 | if (!target_is_emmc_boot()) { |
| 137 | /* Skip NAND partition ATAGS for eMMC boot */ |
| 138 | if ((ptable = flash_get_ptable()) && (ptable->count != 0)) { |
| 139 | int i; |
Shashank Mittal | 8e49dec | 2010-03-01 15:19:04 -0800 | [diff] [blame] | 140 | for(i=0; i < ptable->count; i++) { |
| 141 | struct ptentry *ptn; |
| 142 | ptn = ptable_get(ptable, i); |
| 143 | if (ptn->type == TYPE_APPS_PARTITION) |
| 144 | pcount++; |
| 145 | } |
| 146 | *ptr++ = 2 + (pcount * (sizeof(struct atag_ptbl_entry) / |
David Ng | 183a742 | 2009-12-07 14:55:21 -0800 | [diff] [blame] | 147 | sizeof(unsigned))); |
| 148 | *ptr++ = 0x4d534d70; |
| 149 | for (i = 0; i < ptable->count; ++i) |
| 150 | ptentry_to_tag(&ptr, ptable_get(ptable, i)); |
| 151 | } |
Dima Zavin | 42168f2 | 2009-01-30 11:52:22 -0800 | [diff] [blame] | 152 | } |
| 153 | |
Brian Swetland | 9c4c075 | 2009-01-25 16:23:50 -0800 | [diff] [blame] | 154 | if (cmdline && cmdline[0]) { |
David Ng | 183a742 | 2009-12-07 14:55:21 -0800 | [diff] [blame] | 155 | cmdline_len = strlen(cmdline); |
| 156 | have_cmdline = 1; |
| 157 | } |
| 158 | if (target_is_emmc_boot()) { |
| 159 | cmdline_len += strlen(emmc_cmdline); |
| 160 | } |
David Ng | f773dde | 2010-07-26 19:55:08 -0700 | [diff] [blame] | 161 | if (target_pause_for_battery_charge()) { |
| 162 | pause_at_bootup = 1; |
| 163 | cmdline_len += strlen(battchg_pause); |
| 164 | } |
David Ng | 183a742 | 2009-12-07 14:55:21 -0800 | [diff] [blame] | 165 | if (cmdline_len > 0) { |
| 166 | const char *src; |
| 167 | char *dst; |
Brian Swetland | 9c4c075 | 2009-01-25 16:23:50 -0800 | [diff] [blame] | 168 | unsigned n; |
| 169 | /* include terminating 0 and round up to a word multiple */ |
David Ng | 183a742 | 2009-12-07 14:55:21 -0800 | [diff] [blame] | 170 | n = (cmdline_len + 4) & (~3); |
Brian Swetland | 9c4c075 | 2009-01-25 16:23:50 -0800 | [diff] [blame] | 171 | *ptr++ = (n / 4) + 2; |
| 172 | *ptr++ = 0x54410009; |
David Ng | 183a742 | 2009-12-07 14:55:21 -0800 | [diff] [blame] | 173 | dst = (char *)ptr; |
| 174 | if (have_cmdline) { |
| 175 | src = cmdline; |
| 176 | while ((*dst++ = *src++)); |
| 177 | } |
| 178 | if (target_is_emmc_boot()) { |
| 179 | src = emmc_cmdline; |
| 180 | if (have_cmdline) --dst; |
David Ng | f773dde | 2010-07-26 19:55:08 -0700 | [diff] [blame] | 181 | have_cmdline = 1; |
| 182 | while ((*dst++ = *src++)); |
| 183 | } |
| 184 | if (pause_at_bootup) { |
| 185 | src = battchg_pause; |
| 186 | if (have_cmdline) --dst; |
David Ng | 183a742 | 2009-12-07 14:55:21 -0800 | [diff] [blame] | 187 | while ((*dst++ = *src++)); |
| 188 | } |
Brian Swetland | 9c4c075 | 2009-01-25 16:23:50 -0800 | [diff] [blame] | 189 | ptr += (n / 4); |
| 190 | } |
| 191 | |
| 192 | /* END */ |
| 193 | *ptr++ = 0; |
| 194 | *ptr++ = 0; |
| 195 | |
| 196 | dprintf(INFO, "booting linux @ %p, ramdisk @ %p (%d)\n", |
| 197 | kernel, ramdisk, ramdisk_size); |
| 198 | if (cmdline) |
| 199 | dprintf(INFO, "cmdline: %s\n", cmdline); |
| 200 | |
| 201 | enter_critical_section(); |
| 202 | platform_uninit_timer(); |
| 203 | arch_disable_cache(UCACHE); |
Brian Swetland | 9c4c075 | 2009-01-25 16:23:50 -0800 | [diff] [blame] | 204 | arch_disable_mmu(); |
Shashank Mittal | c648e71 | 2010-10-06 18:37:42 -0700 | [diff] [blame] | 205 | #if DISPLAY_SPLASH_SCREEN |
| 206 | display_shutdown(); |
| 207 | #endif |
Brian Swetland | 9c4c075 | 2009-01-25 16:23:50 -0800 | [diff] [blame] | 208 | entry(0, machtype, tags); |
| 209 | |
| 210 | } |
| 211 | |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 212 | unsigned page_size = 0; |
| 213 | unsigned page_mask = 0; |
Brian Swetland | 9c4c075 | 2009-01-25 16:23:50 -0800 | [diff] [blame] | 214 | |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 215 | #define ROUND_TO_PAGE(x,y) (((x) + (y)) & (~(y))) |
Brian Swetland | 9c4c075 | 2009-01-25 16:23:50 -0800 | [diff] [blame] | 216 | |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 217 | static unsigned char buf[4096]; //Equal to max-supported pagesize |
Dima Zavin | 214cc64 | 2009-01-26 11:16:21 -0800 | [diff] [blame] | 218 | |
Shashank Mittal | 23b8f42 | 2010-04-16 19:27:21 -0700 | [diff] [blame] | 219 | int boot_linux_from_mmc(void) |
| 220 | { |
| 221 | struct boot_img_hdr *hdr = (void*) buf; |
| 222 | struct boot_img_hdr *uhdr; |
| 223 | unsigned offset = 0; |
| 224 | unsigned long long ptn = 0; |
| 225 | unsigned n = 0; |
| 226 | const char *cmdline; |
| 227 | |
| 228 | uhdr = (struct boot_img_hdr *)EMMC_BOOT_IMG_HEADER_ADDR; |
| 229 | if (!memcmp(uhdr->magic, BOOT_MAGIC, BOOT_MAGIC_SIZE)) { |
| 230 | dprintf(INFO, "Unified boot method!\n"); |
| 231 | hdr = uhdr; |
| 232 | goto unified_boot; |
| 233 | } |
| 234 | |
| 235 | ptn = mmc_ptn_offset("boot"); |
| 236 | if(ptn == 0) { |
| 237 | dprintf(CRITICAL, "ERROR: No boot partition found\n"); |
| 238 | return -1; |
| 239 | } |
| 240 | |
| 241 | if (mmc_read(ptn + offset, (unsigned int *)buf, page_size)) { |
| 242 | dprintf(CRITICAL, "ERROR: Cannot read boot image header\n"); |
| 243 | return -1; |
| 244 | } |
Shashank Mittal | 23b8f42 | 2010-04-16 19:27:21 -0700 | [diff] [blame] | 245 | |
| 246 | if (memcmp(hdr->magic, BOOT_MAGIC, BOOT_MAGIC_SIZE)) { |
| 247 | dprintf(CRITICAL, "ERROR: Invaled boot image header\n"); |
| 248 | return -1; |
| 249 | } |
| 250 | |
Subbaraman Narayanamurthy | fbe13a0 | 2010-09-10 11:51:12 -0700 | [diff] [blame] | 251 | if (hdr->page_size && (hdr->page_size != page_size)) { |
| 252 | page_size = hdr->page_size; |
| 253 | page_mask = page_size - 1; |
Shashank Mittal | 23b8f42 | 2010-04-16 19:27:21 -0700 | [diff] [blame] | 254 | } |
Subbaraman Narayanamurthy | fbe13a0 | 2010-09-10 11:51:12 -0700 | [diff] [blame] | 255 | offset += page_size; |
Shashank Mittal | 23b8f42 | 2010-04-16 19:27:21 -0700 | [diff] [blame] | 256 | |
| 257 | n = ROUND_TO_PAGE(hdr->kernel_size, page_mask); |
| 258 | if (mmc_read(ptn + offset, (void *)hdr->kernel_addr, n)) { |
| 259 | dprintf(CRITICAL, "ERROR: Cannot read kernel image\n"); |
| 260 | return -1; |
| 261 | } |
| 262 | offset += n; |
| 263 | |
| 264 | n = ROUND_TO_PAGE(hdr->ramdisk_size, page_mask); |
| 265 | if (mmc_read(ptn + offset, (void *)hdr->ramdisk_addr, n)) { |
| 266 | dprintf(CRITICAL, "ERROR: Cannot read ramdisk image\n"); |
| 267 | return -1; |
| 268 | } |
| 269 | offset += n; |
| 270 | |
| 271 | unified_boot: |
| 272 | dprintf(INFO, "\nkernel @ %x (%d bytes)\n", hdr->kernel_addr, |
| 273 | hdr->kernel_size); |
| 274 | dprintf(INFO, "ramdisk @ %x (%d bytes)\n", hdr->ramdisk_addr, |
| 275 | hdr->ramdisk_size); |
| 276 | |
| 277 | if(hdr->cmdline[0]) { |
| 278 | cmdline = (char*) hdr->cmdline; |
| 279 | } else { |
| 280 | cmdline = DEFAULT_CMDLINE; |
| 281 | } |
| 282 | dprintf(INFO, "cmdline = '%s'\n", cmdline); |
| 283 | |
| 284 | dprintf(INFO, "\nBooting Linux\n"); |
| 285 | boot_linux((void *)hdr->kernel_addr, (void *)TAGS_ADDR, |
| 286 | (const char *)cmdline, board_machtype(), |
| 287 | (void *)hdr->ramdisk_addr, hdr->ramdisk_size); |
| 288 | |
| 289 | return 0; |
| 290 | } |
| 291 | |
Dima Zavin | 214cc64 | 2009-01-26 11:16:21 -0800 | [diff] [blame] | 292 | int boot_linux_from_flash(void) |
| 293 | { |
| 294 | struct boot_img_hdr *hdr = (void*) buf; |
| 295 | unsigned n; |
| 296 | struct ptentry *ptn; |
| 297 | struct ptable *ptable; |
| 298 | unsigned offset = 0; |
| 299 | const char *cmdline; |
Chandan Uddaraju | de85d3f | 2010-01-05 16:32:33 -0800 | [diff] [blame] | 300 | |
David Ng | 183a742 | 2009-12-07 14:55:21 -0800 | [diff] [blame] | 301 | if (target_is_emmc_boot()) { |
| 302 | hdr = (struct boot_img_hdr *)EMMC_BOOT_IMG_HEADER_ADDR; |
| 303 | if (memcmp(hdr->magic, BOOT_MAGIC, BOOT_MAGIC_SIZE)) { |
| 304 | dprintf(CRITICAL, "ERROR: Invalid boot image header\n"); |
| 305 | return -1; |
| 306 | } |
| 307 | goto continue_boot; |
| 308 | } |
| 309 | |
Dima Zavin | 214cc64 | 2009-01-26 11:16:21 -0800 | [diff] [blame] | 310 | ptable = flash_get_ptable(); |
| 311 | if (ptable == NULL) { |
| 312 | dprintf(CRITICAL, "ERROR: Partition table not found\n"); |
| 313 | return -1; |
| 314 | } |
| 315 | |
Chandan Uddaraju | de85d3f | 2010-01-05 16:32:33 -0800 | [diff] [blame] | 316 | if(!boot_into_recovery) |
| 317 | { |
| 318 | ptn = ptable_find(ptable, "boot"); |
| 319 | if (ptn == NULL) { |
| 320 | dprintf(CRITICAL, "ERROR: No boot partition found\n"); |
| 321 | return -1; |
| 322 | } |
| 323 | } |
| 324 | else |
| 325 | { |
| 326 | ptn = ptable_find(ptable, "recovery"); |
| 327 | if (ptn == NULL) { |
| 328 | dprintf(CRITICAL, "ERROR: No recovery partition found\n"); |
| 329 | return -1; |
| 330 | } |
Dima Zavin | 214cc64 | 2009-01-26 11:16:21 -0800 | [diff] [blame] | 331 | } |
| 332 | |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 333 | if (flash_read(ptn, offset, buf, page_size)) { |
Dima Zavin | 214cc64 | 2009-01-26 11:16:21 -0800 | [diff] [blame] | 334 | dprintf(CRITICAL, "ERROR: Cannot read boot image header\n"); |
| 335 | return -1; |
| 336 | } |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 337 | offset += page_size; |
Dima Zavin | 214cc64 | 2009-01-26 11:16:21 -0800 | [diff] [blame] | 338 | |
| 339 | if (memcmp(hdr->magic, BOOT_MAGIC, BOOT_MAGIC_SIZE)) { |
| 340 | dprintf(CRITICAL, "ERROR: Invaled boot image heador\n"); |
| 341 | return -1; |
| 342 | } |
| 343 | |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 344 | if (hdr->page_size != page_size) { |
| 345 | dprintf(CRITICAL, "ERROR: Invaled boot image pagesize. Device pagesize: %d, Image pagesize: %d\n",page_size,hdr->page_size); |
| 346 | return -1; |
| 347 | } |
| 348 | |
| 349 | n = ROUND_TO_PAGE(hdr->kernel_size, page_mask); |
Dima Zavin | 214cc64 | 2009-01-26 11:16:21 -0800 | [diff] [blame] | 350 | if (flash_read(ptn, offset, (void *)hdr->kernel_addr, n)) { |
| 351 | dprintf(CRITICAL, "ERROR: Cannot read kernel image\n"); |
| 352 | return -1; |
| 353 | } |
| 354 | offset += n; |
| 355 | |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 356 | n = ROUND_TO_PAGE(hdr->ramdisk_size, page_mask); |
Dima Zavin | 214cc64 | 2009-01-26 11:16:21 -0800 | [diff] [blame] | 357 | if (flash_read(ptn, offset, (void *)hdr->ramdisk_addr, n)) { |
| 358 | dprintf(CRITICAL, "ERROR: Cannot read ramdisk image\n"); |
| 359 | return -1; |
| 360 | } |
| 361 | offset += n; |
| 362 | |
David Ng | 183a742 | 2009-12-07 14:55:21 -0800 | [diff] [blame] | 363 | continue_boot: |
Dima Zavin | 214cc64 | 2009-01-26 11:16:21 -0800 | [diff] [blame] | 364 | dprintf(INFO, "\nkernel @ %x (%d bytes)\n", hdr->kernel_addr, |
| 365 | hdr->kernel_size); |
| 366 | dprintf(INFO, "ramdisk @ %x (%d bytes)\n", hdr->ramdisk_addr, |
| 367 | hdr->ramdisk_size); |
| 368 | |
| 369 | if(hdr->cmdline[0]) { |
| 370 | cmdline = (char*) hdr->cmdline; |
| 371 | } else { |
| 372 | cmdline = DEFAULT_CMDLINE; |
| 373 | } |
| 374 | dprintf(INFO, "cmdline = '%s'\n", cmdline); |
| 375 | |
| 376 | /* TODO: create/pass atags to kernel */ |
| 377 | |
| 378 | dprintf(INFO, "\nBooting Linux\n"); |
| 379 | boot_linux((void *)hdr->kernel_addr, (void *)TAGS_ADDR, |
Chandan Uddaraju | 885e4db | 2009-12-03 22:45:26 -0800 | [diff] [blame] | 380 | (const char *)cmdline, board_machtype(), |
Dima Zavin | 214cc64 | 2009-01-26 11:16:21 -0800 | [diff] [blame] | 381 | (void *)hdr->ramdisk_addr, hdr->ramdisk_size); |
| 382 | |
| 383 | return 0; |
| 384 | } |
Brian Swetland | 9c4c075 | 2009-01-25 16:23:50 -0800 | [diff] [blame] | 385 | |
| 386 | void cmd_boot(const char *arg, void *data, unsigned sz) |
| 387 | { |
| 388 | unsigned kernel_actual; |
| 389 | unsigned ramdisk_actual; |
| 390 | static struct boot_img_hdr hdr; |
| 391 | char *ptr = ((char*) data); |
| 392 | |
| 393 | if (sz < sizeof(hdr)) { |
| 394 | fastboot_fail("invalid bootimage header"); |
| 395 | return; |
| 396 | } |
| 397 | |
| 398 | memcpy(&hdr, data, sizeof(hdr)); |
| 399 | |
| 400 | /* ensure commandline is terminated */ |
| 401 | hdr.cmdline[BOOT_ARGS_SIZE-1] = 0; |
| 402 | |
Subbaraman Narayanamurthy | fbe13a0 | 2010-09-10 11:51:12 -0700 | [diff] [blame] | 403 | if(target_is_emmc_boot() && hdr.page_size) { |
| 404 | page_size = hdr.page_size; |
| 405 | page_mask = page_size - 1; |
| 406 | } |
| 407 | |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 408 | kernel_actual = ROUND_TO_PAGE(hdr.kernel_size, page_mask); |
| 409 | ramdisk_actual = ROUND_TO_PAGE(hdr.ramdisk_size, page_mask); |
Brian Swetland | 9c4c075 | 2009-01-25 16:23:50 -0800 | [diff] [blame] | 410 | |
Chandan Uddaraju | 1f6030f | 2010-03-19 13:26:38 -0700 | [diff] [blame] | 411 | if (page_size + kernel_actual + ramdisk_actual < sz) { |
Brian Swetland | 9c4c075 | 2009-01-25 16:23:50 -0800 | [diff] [blame] | 412 | fastboot_fail("incomplete bootimage"); |
| 413 | return; |
| 414 | } |
| 415 | |
Chandan Uddaraju | 1f6030f | 2010-03-19 13:26:38 -0700 | [diff] [blame] | 416 | memmove((void*) KERNEL_ADDR, ptr + page_size, hdr.kernel_size); |
| 417 | memmove((void*) RAMDISK_ADDR, ptr + page_size + kernel_actual, hdr.ramdisk_size); |
Brian Swetland | 9c4c075 | 2009-01-25 16:23:50 -0800 | [diff] [blame] | 418 | |
| 419 | fastboot_okay(""); |
Chandan Uddaraju | 7f5b901 | 2010-02-06 16:37:48 -0800 | [diff] [blame] | 420 | target_battery_charging_enable(0, 1); |
Brian Swetland | 9c4c075 | 2009-01-25 16:23:50 -0800 | [diff] [blame] | 421 | udc_stop(); |
| 422 | |
Brian Swetland | 9c4c075 | 2009-01-25 16:23:50 -0800 | [diff] [blame] | 423 | boot_linux((void*) KERNEL_ADDR, (void*) TAGS_ADDR, |
Chandan Uddaraju | 885e4db | 2009-12-03 22:45:26 -0800 | [diff] [blame] | 424 | (const char*) hdr.cmdline, board_machtype(), |
Brian Swetland | 9c4c075 | 2009-01-25 16:23:50 -0800 | [diff] [blame] | 425 | (void*) RAMDISK_ADDR, hdr.ramdisk_size); |
| 426 | } |
| 427 | |
Dima Zavin | 214cc64 | 2009-01-26 11:16:21 -0800 | [diff] [blame] | 428 | void cmd_erase(const char *arg, void *data, unsigned sz) |
| 429 | { |
| 430 | struct ptentry *ptn; |
| 431 | struct ptable *ptable; |
| 432 | |
| 433 | ptable = flash_get_ptable(); |
| 434 | if (ptable == NULL) { |
| 435 | fastboot_fail("partition table doesn't exist"); |
| 436 | return; |
| 437 | } |
| 438 | |
| 439 | ptn = ptable_find(ptable, arg); |
| 440 | if (ptn == NULL) { |
| 441 | fastboot_fail("unknown partition name"); |
| 442 | return; |
| 443 | } |
| 444 | |
| 445 | if (flash_erase(ptn)) { |
| 446 | fastboot_fail("failed to erase partition"); |
| 447 | return; |
| 448 | } |
| 449 | fastboot_okay(""); |
| 450 | } |
| 451 | |
Bikas Gurung | d48bd24 | 2010-09-04 19:54:32 -0700 | [diff] [blame] | 452 | |
| 453 | void cmd_erase_mmc(const char *arg, void *data, unsigned sz) |
| 454 | { |
| 455 | unsigned long long ptn = 0; |
| 456 | unsigned int out[512] = {0}; |
| 457 | |
| 458 | ptn = mmc_ptn_offset(arg); |
| 459 | if(ptn == 0) { |
| 460 | fastboot_fail("partition table doesn't exist"); |
| 461 | return; |
| 462 | } |
| 463 | |
| 464 | |
| 465 | /* Simple inefficient version of erase. Just writing |
| 466 | 0 in first block */ |
| 467 | if (mmc_write(ptn , 512, (unsigned int *)out)) { |
| 468 | fastboot_fail("failed to erase partition"); |
| 469 | return; |
| 470 | } |
| 471 | fastboot_okay(""); |
| 472 | } |
| 473 | |
| 474 | |
Shashank Mittal | 23b8f42 | 2010-04-16 19:27:21 -0700 | [diff] [blame] | 475 | void cmd_flash_mmc(const char *arg, void *data, unsigned sz) |
| 476 | { |
| 477 | unsigned long long ptn = 0; |
Subbaraman Narayanamurthy | c95b5b1 | 2010-08-31 13:19:48 -0700 | [diff] [blame] | 478 | unsigned long long size = 0; |
| 479 | |
Shashank Mittal | 23b8f42 | 2010-04-16 19:27:21 -0700 | [diff] [blame] | 480 | ptn = mmc_ptn_offset(arg); |
| 481 | if(ptn == 0) { |
| 482 | fastboot_fail("partition table doesn't exist"); |
| 483 | return; |
| 484 | } |
| 485 | |
| 486 | if (!strcmp(arg, "boot") || !strcmp(arg, "recovery")) { |
| 487 | if (memcmp((void *)data, BOOT_MAGIC, BOOT_MAGIC_SIZE)) { |
| 488 | fastboot_fail("image is not a boot image"); |
| 489 | return; |
| 490 | } |
| 491 | } |
| 492 | |
Subbaraman Narayanamurthy | c95b5b1 | 2010-08-31 13:19:48 -0700 | [diff] [blame] | 493 | size = mmc_ptn_size(arg); |
| 494 | if (ROUND_TO_PAGE(sz,511) > size) { |
| 495 | fastboot_fail("size too large"); |
| 496 | return; |
| 497 | } |
| 498 | |
Shashank Mittal | 23b8f42 | 2010-04-16 19:27:21 -0700 | [diff] [blame] | 499 | if (mmc_write(ptn , sz, (unsigned int *)data)) { |
| 500 | fastboot_fail("flash write failure"); |
| 501 | return; |
| 502 | } |
| 503 | fastboot_okay(""); |
| 504 | return; |
| 505 | } |
| 506 | |
Dima Zavin | 214cc64 | 2009-01-26 11:16:21 -0800 | [diff] [blame] | 507 | void cmd_flash(const char *arg, void *data, unsigned sz) |
| 508 | { |
| 509 | struct ptentry *ptn; |
| 510 | struct ptable *ptable; |
| 511 | unsigned extra = 0; |
| 512 | |
| 513 | ptable = flash_get_ptable(); |
| 514 | if (ptable == NULL) { |
| 515 | fastboot_fail("partition table doesn't exist"); |
| 516 | return; |
| 517 | } |
| 518 | |
| 519 | ptn = ptable_find(ptable, arg); |
| 520 | if (ptn == NULL) { |
| 521 | fastboot_fail("unknown partition name"); |
| 522 | return; |
| 523 | } |
| 524 | |
| 525 | if (!strcmp(ptn->name, "boot") || !strcmp(ptn->name, "recovery")) { |
| 526 | if (memcmp((void *)data, BOOT_MAGIC, BOOT_MAGIC_SIZE)) { |
| 527 | fastboot_fail("image is not a boot image"); |
| 528 | return; |
| 529 | } |
| 530 | } |
| 531 | |
Chandan Uddaraju | d6d4504 | 2010-02-24 21:12:45 -0800 | [diff] [blame] | 532 | if (!strcmp(ptn->name, "system") || !strcmp(ptn->name, "userdata") |
| 533 | || !strcmp(ptn->name, "persist")) |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 534 | extra = ((page_size >> 9) * 16); |
Dima Zavin | 214cc64 | 2009-01-26 11:16:21 -0800 | [diff] [blame] | 535 | else |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 536 | sz = ROUND_TO_PAGE(sz, page_mask); |
Dima Zavin | 214cc64 | 2009-01-26 11:16:21 -0800 | [diff] [blame] | 537 | |
| 538 | dprintf(INFO, "writing %d bytes to '%s'\n", sz, ptn->name); |
| 539 | if (flash_write(ptn, extra, data, sz)) { |
| 540 | fastboot_fail("flash write failure"); |
| 541 | return; |
| 542 | } |
| 543 | dprintf(INFO, "partition '%s' updated\n", ptn->name); |
| 544 | fastboot_okay(""); |
| 545 | } |
| 546 | |
| 547 | void cmd_continue(const char *arg, void *data, unsigned sz) |
| 548 | { |
| 549 | fastboot_okay(""); |
Chandan Uddaraju | 7f5b901 | 2010-02-06 16:37:48 -0800 | [diff] [blame] | 550 | target_battery_charging_enable(0, 1); |
Dima Zavin | 214cc64 | 2009-01-26 11:16:21 -0800 | [diff] [blame] | 551 | udc_stop(); |
Shashank Mittal | d8c42bf | 2010-06-09 15:44:28 -0700 | [diff] [blame] | 552 | if (target_is_emmc_boot()) |
| 553 | { |
| 554 | boot_linux_from_mmc(); |
| 555 | } |
| 556 | else |
| 557 | { |
| 558 | boot_linux_from_flash(); |
| 559 | } |
Dima Zavin | 214cc64 | 2009-01-26 11:16:21 -0800 | [diff] [blame] | 560 | } |
| 561 | |
Chandan Uddaraju | 94183c0 | 2010-01-15 15:13:59 -0800 | [diff] [blame] | 562 | void cmd_reboot(const char *arg, void *data, unsigned sz) |
| 563 | { |
Shashank Mittal | d8c42bf | 2010-06-09 15:44:28 -0700 | [diff] [blame] | 564 | dprintf(INFO, "rebooting the device\n"); |
Chandan Uddaraju | 94183c0 | 2010-01-15 15:13:59 -0800 | [diff] [blame] | 565 | fastboot_okay(""); |
| 566 | reboot_device(0); |
| 567 | } |
| 568 | |
| 569 | void cmd_reboot_bootloader(const char *arg, void *data, unsigned sz) |
| 570 | { |
Shashank Mittal | d8c42bf | 2010-06-09 15:44:28 -0700 | [diff] [blame] | 571 | dprintf(INFO, "rebooting the device\n"); |
Chandan Uddaraju | 94183c0 | 2010-01-15 15:13:59 -0800 | [diff] [blame] | 572 | fastboot_okay(""); |
| 573 | reboot_device(FASTBOOT_MODE); |
| 574 | } |
| 575 | |
Chandan Uddaraju | 2943fd6 | 2010-06-21 10:56:39 -0700 | [diff] [blame] | 576 | void splash_screen () |
| 577 | { |
| 578 | struct ptentry *ptn; |
| 579 | struct ptable *ptable; |
| 580 | struct fbcon_config *fb_display = NULL; |
| 581 | |
| 582 | if (!target_is_emmc_boot()) |
| 583 | { |
| 584 | ptable = flash_get_ptable(); |
| 585 | if (ptable == NULL) { |
| 586 | dprintf(CRITICAL, "ERROR: Partition table not found\n"); |
| 587 | return -1; |
| 588 | } |
| 589 | |
| 590 | ptn = ptable_find(ptable, "splash"); |
| 591 | if (ptn == NULL) { |
| 592 | dprintf(CRITICAL, "ERROR: No splash partition found\n"); |
| 593 | } else { |
| 594 | fb_display = fbcon_display(); |
| 595 | if (fb_display) { |
| 596 | if (flash_read(ptn, 0, fb_display->base, |
| 597 | (fb_display->width * fb_display->height * fb_display->bpp/8))) { |
| 598 | fbcon_clear(); |
| 599 | dprintf(CRITICAL, "ERROR: Cannot read splash image\n"); |
| 600 | } |
| 601 | } |
| 602 | } |
| 603 | } |
| 604 | } |
| 605 | |
Brian Swetland | 9c4c075 | 2009-01-25 16:23:50 -0800 | [diff] [blame] | 606 | void aboot_init(const struct app_descriptor *app) |
| 607 | { |
Shashank Mittal | 4f99a88 | 2010-02-01 13:58:50 -0800 | [diff] [blame] | 608 | unsigned reboot_mode = 0; |
| 609 | unsigned disp_init = 0; |
Shashank Mittal | d8c42bf | 2010-06-09 15:44:28 -0700 | [diff] [blame] | 610 | unsigned usb_init = 0; |
Chandan Uddaraju | bedca15 | 2010-06-02 23:05:15 -0700 | [diff] [blame] | 611 | |
Chandan Uddaraju | 2943fd6 | 2010-06-21 10:56:39 -0700 | [diff] [blame] | 612 | /* Setup page size information for nand/emmc reads */ |
Shashank Mittal | d8c42bf | 2010-06-09 15:44:28 -0700 | [diff] [blame] | 613 | if (target_is_emmc_boot()) |
| 614 | { |
| 615 | page_size = 2048; |
| 616 | page_mask = page_size - 1; |
| 617 | } |
| 618 | else |
| 619 | { |
| 620 | page_size = flash_page_size(); |
| 621 | page_mask = page_size - 1; |
| 622 | } |
| 623 | |
Chandan Uddaraju | 2943fd6 | 2010-06-21 10:56:39 -0700 | [diff] [blame] | 624 | /* Display splash screen if enabled */ |
| 625 | #if DISPLAY_SPLASH_SCREEN |
| 626 | display_init(); |
| 627 | dprintf(INFO, "Diplay initialized\n"); |
| 628 | disp_init = 1; |
Chandan Uddaraju | 40b227d | 2010-08-03 19:25:41 -0700 | [diff] [blame] | 629 | diplay_image_on_screen(); |
Chandan Uddaraju | 2943fd6 | 2010-06-21 10:56:39 -0700 | [diff] [blame] | 630 | #endif |
| 631 | |
| 632 | /* Check if we should do something other than booting up */ |
Shashank Mittal | d8c42bf | 2010-06-09 15:44:28 -0700 | [diff] [blame] | 633 | if (keys_get_state(KEY_HOME) != 0) |
| 634 | boot_into_recovery = 1; |
| 635 | if (keys_get_state(KEY_BACK) != 0) |
| 636 | goto fastboot; |
| 637 | if (keys_get_state(KEY_CLEAR) != 0) |
| 638 | goto fastboot; |
| 639 | |
| 640 | #if NO_KEYPAD_DRIVER |
| 641 | /* With no keypad implementation, check the status of USB connection. */ |
| 642 | /* If USB is connected then go into fastboot mode. */ |
| 643 | usb_init = 1; |
| 644 | udc_init(&surf_udc_device); |
| 645 | if (usb_cable_status()) |
| 646 | goto fastboot; |
| 647 | #endif |
Chandan Uddaraju | bedca15 | 2010-06-02 23:05:15 -0700 | [diff] [blame] | 648 | |
Ajay Dudani | 7742129 | 2010-10-27 19:34:06 -0700 | [diff] [blame^] | 649 | reboot_mode = check_reboot_mode(); |
| 650 | if (reboot_mode == RECOVERY_MODE) { |
| 651 | boot_into_recovery = 1; |
| 652 | } else if(reboot_mode == FASTBOOT_MODE) { |
| 653 | goto fastboot; |
| 654 | } |
| 655 | |
Shashank Mittal | 23b8f42 | 2010-04-16 19:27:21 -0700 | [diff] [blame] | 656 | if (target_is_emmc_boot()) |
Shashank Mittal | d8c42bf | 2010-06-09 15:44:28 -0700 | [diff] [blame] | 657 | { |
| 658 | boot_linux_from_mmc(); |
| 659 | } |
| 660 | else |
| 661 | { |
Shashank Mittal | d8c42bf | 2010-06-09 15:44:28 -0700 | [diff] [blame] | 662 | recovery_init(); |
| 663 | boot_linux_from_flash(); |
| 664 | } |
Dima Zavin | b428360 | 2009-01-26 16:36:57 -0800 | [diff] [blame] | 665 | dprintf(CRITICAL, "ERROR: Could not do normal boot. Reverting " |
| 666 | "to fastboot mode.\n"); |
| 667 | |
| 668 | fastboot: |
Chandan Uddaraju | 2943fd6 | 2010-06-21 10:56:39 -0700 | [diff] [blame] | 669 | |
Shashank Mittal | d8c42bf | 2010-06-09 15:44:28 -0700 | [diff] [blame] | 670 | if(!usb_init) |
| 671 | udc_init(&surf_udc_device); |
Brian Swetland | 9c4c075 | 2009-01-25 16:23:50 -0800 | [diff] [blame] | 672 | |
| 673 | fastboot_register("boot", cmd_boot); |
Bikas Gurung | d48bd24 | 2010-09-04 19:54:32 -0700 | [diff] [blame] | 674 | |
Shashank Mittal | 23b8f42 | 2010-04-16 19:27:21 -0700 | [diff] [blame] | 675 | if (target_is_emmc_boot()) |
Shashank Mittal | d8c42bf | 2010-06-09 15:44:28 -0700 | [diff] [blame] | 676 | { |
| 677 | fastboot_register("flash:", cmd_flash_mmc); |
Bikas Gurung | d48bd24 | 2010-09-04 19:54:32 -0700 | [diff] [blame] | 678 | fastboot_register("erase:", cmd_erase_mmc); |
Shashank Mittal | d8c42bf | 2010-06-09 15:44:28 -0700 | [diff] [blame] | 679 | } |
| 680 | else |
| 681 | { |
| 682 | fastboot_register("flash:", cmd_flash); |
Bikas Gurung | d48bd24 | 2010-09-04 19:54:32 -0700 | [diff] [blame] | 683 | fastboot_register("erase:", cmd_erase); |
Shashank Mittal | d8c42bf | 2010-06-09 15:44:28 -0700 | [diff] [blame] | 684 | } |
| 685 | |
| 686 | fastboot_register("continue", cmd_continue); |
Chandan Uddaraju | 94183c0 | 2010-01-15 15:13:59 -0800 | [diff] [blame] | 687 | fastboot_register("reboot", cmd_reboot); |
| 688 | fastboot_register("reboot-bootloader", cmd_reboot_bootloader); |
Subbaraman Narayanamurthy | eb92bcc | 2010-07-20 14:32:46 -0700 | [diff] [blame] | 689 | fastboot_publish("product", TARGET(BOARD)); |
Brian Swetland | 9c4c075 | 2009-01-25 16:23:50 -0800 | [diff] [blame] | 690 | fastboot_publish("kernel", "lk"); |
| 691 | |
Ajay Dudani | d43419e | 2010-02-10 13:17:39 -0800 | [diff] [blame] | 692 | fastboot_init(target_get_scratch_address(), 120 * 1024 * 1024); |
Brian Swetland | 9c4c075 | 2009-01-25 16:23:50 -0800 | [diff] [blame] | 693 | udc_start(); |
Shashank Mittal | d8c42bf | 2010-06-09 15:44:28 -0700 | [diff] [blame] | 694 | target_battery_charging_enable(1, 0); |
Brian Swetland | 9c4c075 | 2009-01-25 16:23:50 -0800 | [diff] [blame] | 695 | } |
| 696 | |
| 697 | APP_START(aboot) |
| 698 | .init = aboot_init, |
| 699 | APP_END |
| 700 | |