2 * USB Downloader for SAMSUNG Platform
4 * Copyright (C) 2007-2008 Samsung Electronics
5 * Minkyu Kang <mk7.kang@samsung.com>
11 #include <asm/errno.h>
14 /* version of USB Downloader Application */
15 #define APP_VERSION "1.5.3"
20 #ifdef CONFIG_CMD_MTDPARTS
21 #include <jffs2/load_kernel.h>
22 static struct part_info *parts[16];
25 static const char pszMe[] = "usbd: ";
27 static struct usbd_ops usbd_ops;
29 static unsigned int part_id;
30 static unsigned int write_part = 0;
31 static unsigned long fs_offset = 0x0;
33 #ifdef CONFIG_USE_YAFFS
34 static unsigned int yaffs_len = 0;
35 static unsigned char yaffs_data[2112];
36 #define YAFFS_PAGE 2112
39 #define NAND_PAGE_SIZE 2048
41 static unsigned long down_ram_addr;
45 /* cpu/${CPU} dependent */
46 extern void do_reset(void);
49 extern int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
50 extern int do_run(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]);
52 int mtdparts_init(void);
53 int find_dev_and_part(const char*, struct mtd_device**, u8*, struct part_info**);
55 /* common/cmd_jffs2.c */
56 extern struct list_head devices;
58 static u8 count_mtdparts(void)
60 struct list_head *dentry, *pentry;
61 struct mtd_device *dev;
64 list_for_each(dentry, &devices) {
65 dev = list_entry(dentry, struct mtd_device, link);
67 /* list partitions for given device */
68 list_for_each(pentry, &dev->parts)
76 static int check_ubi_mode(void)
81 env_ubifs = getenv("ubi");
82 ubi_mode = !strcmp(env_ubifs, "enabled");
87 #define check_ubi_mode() 0
90 #ifdef CONFIG_MTD_PARTITIONS
91 static int get_part_info(void)
93 struct mtd_device *dev;
101 #if defined(CONFIG_CMD_NAND)
102 sprintf(nand_name, "nand0");
103 #elif defined(CONFIG_CMD_ONENAND)
104 sprintf(nand_name, "onenand0");
106 printf("Configure your NAND sub-system\n");
113 ubi_mode = check_ubi_mode();
115 part_num = count_mtdparts();
116 for (i = 0; i < part_num; i++) {
117 sprintf(part_name, "%s,%d", nand_name, i);
119 if (find_dev_and_part(part_name, &dev, &out_partnum, &parts[i]))
126 static int get_part_id(char *name)
128 int nparts = count_mtdparts();
131 for (i = 0; i < nparts; i++) {
132 if (strcmp(parts[i]->name, name) == 0)
136 printf("Error: Unknown partition -> %s\n", name);
140 static int get_part_info(void)
142 printf("Error: Can't get patition information\n");
146 static int get_part_id(char *name)
152 static void boot_cmd(char *addr)
154 char *argv[] = { "bootm", addr };
155 do_bootm(NULL, 0, 2, argv);
158 static void run_cmd(char *cmd)
160 char *argv[] = { "run", cmd };
161 do_run(NULL, 0, 2, argv);
164 #if defined(CONFIG_CMD_NAND)
165 extern int do_nand(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
166 #elif defined(CONFIG_CMD_ONENAND)
167 extern int do_onenand(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
170 /* NAND erase and write using nand command */
171 static int nand_cmd(int type, char *p1, char *p2, char *p3)
175 int (*nand_func) (cmd_tbl_t *, int, int, char **);
177 #if defined(CONFIG_CMD_NAND)
178 sprintf(nand_name, "nand");
180 #elif defined(CONFIG_CMD_ONENAND)
181 sprintf(nand_name, "onenand");
182 nand_func = do_onenand;
184 printf("Configure your NAND sub-system\n");
189 char *argv[] = {nand_name, "erase", p1, p2};
190 printf("%s %s %s %s\n", argv[0], argv[1], argv[2], argv[3]);
191 ret = nand_func(NULL, 0, 4, argv);
192 } else if (type == 1) {
193 char *argv[] = {nand_name, "write", p1, p2, p3};
194 printf("%s %s %s %s %s\n", argv[0], argv[1], argv[2],
196 ret = nand_func(NULL, 0, 5, argv);
197 } else if (type == 2) {
198 char *argv[] = {nand_name, "write.yaffs", p1, p2, p3};
199 printf("%s %s %s %s %s\n", argv[0], argv[1], argv[2],
201 ret = nand_func(NULL, 0, 5, argv);
202 } else if (type == 3) {
203 char *argv[] = {nand_name, "lock", p1, p2};
204 printf("%s %s %s %s\n", argv[0], argv[1], argv[2], argv[3]);
205 ret = nand_func(NULL, 0, 4, argv);
209 printf("Error: NAND Command\n");
214 #ifdef CONFIG_CMD_UBI
215 int do_ubi(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
217 int ubi_cmd(int part, char *p1, char *p2, char *p3)
221 if (part == RAMDISK_PART_ID) {
222 char *argv[] = {"ubi", "write", p1, "rootfs.cramfs", p2, p3};
223 printf("%s %s %s %s %s %s\n", argv[0], argv[1], argv[2],
224 argv[3], argv[4], argv[5]);
225 ret = do_ubi(NULL, 0, 6, argv);
226 } else if (part == FILESYSTEM_PART_ID) {
227 char *argv[] = {"ubi", "write", p1, "factoryfs.cramfs", p2, p3};
228 printf("%s %s %s %s %s %s\n", argv[0], argv[1], argv[2],
229 argv[3], argv[4], argv[5]);
230 ret = do_ubi(NULL, 0, 6, argv);
231 } else if (part == FILESYSTEM2_PART_ID) {
232 char *argv[] = {"ubi", "write", p1, "datafs.ubifs", p2, p3};
233 printf("%s %s %s %s %s %s\n", argv[0], argv[1], argv[2],
234 argv[3], argv[4], argv[5]);
235 ret = do_ubi(NULL, 0, 6, argv);
242 #ifdef CONFIG_CMD_MMC
245 extern int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
247 static int mmc_cmd(int ops, char *p1, char *p2, char *p3)
252 char *argv[] = {"mmc", "write", "0", p1, p2, p3};
253 ret = do_mmcops(NULL, 0, 6, argv);
255 char *argv[] = {"mmc", "read", "0", p1, p2, p3};
256 ret = do_mmcops(NULL, 0, 6, argv);
262 static unsigned int cur_blk_offset;
263 static unsigned int cur_part_size;
264 static unsigned int cur_partition;
266 static unsigned int mmc_parts;
267 static unsigned int mmc_part_write;
269 struct partition_info {
273 } __attribute__((packed));
275 struct partition_header {
276 u8 fat32head[16]; /* RFSHEAD identifier */
277 struct partition_info partition[4];
278 u8 res[448]; /* reserved */
279 } __attribute__((packed));
281 struct partition_table {
288 } __attribute__((packed));
292 struct partition_table partition[4];
294 } __attribute__((packed));
296 #define MBR_OFFSET 0x10
298 struct partition_header part_info;
299 struct mbr_table mbr_info;
301 static int write_mmc_partition(struct usbd_ops *usbd, u32 *ram_addr, u32 len)
304 char offset[12], length[12], ramaddr[12];
310 if (cur_part_size > len) {
311 blocks = len / usbd->mmc_blk;
314 blocks = cur_part_size / usbd->mmc_blk;
315 ret = len - cur_part_size;
318 if (len % usbd->mmc_blk)
321 loop = blocks / usbd->mmc_max;
322 if (blocks % usbd->mmc_max)
325 for (i = 0; i < loop; i++) {
327 cnt = blocks % usbd->mmc_max;
334 sprintf(length, "%x", cnt);
335 sprintf(offset, "%x", cur_blk_offset);
336 sprintf(ramaddr, "0x%x", *ram_addr);
337 mmc_cmd(OPS_WRITE, ramaddr, offset, length);
339 cur_blk_offset += cnt;
341 *ram_addr += (cnt * usbd->mmc_blk);
347 static int write_file_mmc(struct usbd_ops *usbd, char *ramaddr, u32 len,
348 char *offset, char *length)
354 if (!usbd->mmc_total) {
355 printf("MMC is not supported!\n");
359 ram_addr = (u32)down_ram_addr;
361 if (cur_blk_offset == 0) {
363 struct mbr_table *mbr;
365 memcpy(&part_info, (void *)ram_addr,
366 sizeof(struct partition_header));
368 ram_addr += sizeof(struct partition_header);
369 len -= sizeof(struct partition_header);
370 mbr = (struct mbr_table*)ram_addr;
372 /* modify sectors of p1 */
373 mbr->partition[0].num_sectors = usbd->mmc_total -
375 mbr->partition[1].num_sectors +
376 mbr->partition[2].num_sectors +
377 mbr->partition[3].num_sectors);
381 /* modify lba_begin of p2 and p3 and p4 */
382 for (i = 1; i < 4; i++) {
383 if (part_info.partition[i].size == 0)
387 mbr->partition[i].lba_begin =
388 mbr->partition[i - 1].lba_begin +
389 mbr->partition[i - 1].num_sectors;
393 memcpy(&mbr_info, mbr, sizeof(struct mbr_table));
395 printf("Total Size: 0x%08x #parts %d\n",
396 (unsigned int)usbd->mmc_total, mmc_parts);
397 for (i = 0; i < mmc_parts; i++) {
398 printf("p%d\t0x%08x\t0x%08x\n", i + 1,
399 mbr_info.partition[i].lba_begin,
400 mbr_info.partition[i].num_sectors);
404 sprintf(length, "%x", MBR_OFFSET);
405 sprintf(offset, "%x", 0);
406 sprintf(ramaddr, "0x%x", (u32)ram_addr);
407 ret = mmc_cmd(OPS_WRITE, ramaddr, offset, length);
409 ram_addr += (MBR_OFFSET * usbd->mmc_blk);
410 len -= (MBR_OFFSET * usbd->mmc_blk);
412 cur_blk_offset = MBR_OFFSET;
414 cur_part_size = part_info.partition[0].size;
416 /* modify p1's total sector */
417 bs = (boot_sector *)ram_addr;
418 bs->total_sect = mbr_info.partition[0].num_sectors;
420 printf("\nWrite Partition %d.. %d blocks\n",
422 part_info.partition[cur_partition].size /
426 for (i = cur_partition; i < mmc_parts; i++) {
427 ret = write_mmc_partition(usbd, &ram_addr, len);
430 cur_part_size -= len;
435 part_info.partition[cur_partition].size;
437 mbr_info.partition[cur_partition].lba_begin;
444 printf("\nWrite Partition %d.. %d blocks\n",
446 part_info.partition[cur_partition].size /
454 static int write_file_mmc_part(struct usbd_ops *usbd, char *ramaddr, u32 len,
455 char *offset, char *length)
461 ram_addr = (u32)down_ram_addr;
463 if (cur_blk_offset == 0) {
465 sprintf(length, "%x", MBR_OFFSET);
466 sprintf(offset, "%x", 0);
467 sprintf(ramaddr, "0x%x", (u32)&mbr_info);
468 ret = mmc_cmd(OPS_READ, ramaddr, offset, length);
470 for (i = 0; i < 4; i++) {
471 printf("p%d\t0x%08x\t0x%08x\n", i + 1,
472 mbr_info.partition[i].lba_begin,
473 mbr_info.partition[i].num_sectors);
476 cur_blk_offset = (unsigned int)
477 mbr_info.partition[mmc_part_write - 1].lba_begin;
478 cur_partition = mmc_part_write - 1;
479 cur_part_size = (unsigned int)len;
481 if (mmc_part_write == 1) {
482 ram_addr += sizeof(boot_sector);
483 cur_blk_offset += sizeof(boot_sector) / usbd->mmc_blk;
484 len -= sizeof(boot_sector);
488 printf("\nWrite Partition %d.. %d blocks\n",
490 len / (int)usbd->mmc_blk);
492 write_mmc_partition(usbd, &ram_addr, len);
498 static int write_file_system(char *ramaddr, ulong len, char *offset,
499 char *length, int part_num, int ubi_update)
501 #ifdef CONFIG_USE_YAFFS
507 #ifdef CONFIG_CMD_UBI
510 sprintf(length, "0x%x", (uint)len);
511 ret = ubi_cmd(part_id, ramaddr, length, "cont");
516 /* Erase entire partition at the first writing */
517 if (write_part == 0 && ubi_update == 0) {
518 sprintf(offset, "0x%x", (uint)parts[part_num]->offset);
519 sprintf(length, "0x%x", (uint)parts[part_num]->size);
520 nand_cmd(0, offset, length, NULL);
523 #ifdef CONFIG_USE_YAFFS
524 /* if using yaffs, wirte size must be 2112*X
525 * so, must have to realloc, and writing */
526 if (!strcmp("yaffs", getenv(parts[part_num]->name))) {
529 memcpy((void *)down_ram_addr, yaffs_data, yaffs_len);
531 actual_len = len + yaffs_len;
532 yaffs_len = actual_len % YAFFS_PAGE;
533 len = actual_len - yaffs_len;
535 memset(yaffs_data, 0x00, YAFFS_PAGE);
536 memcpy(yaffs_data, (char *)down_ram_addr + len, yaffs_len);
540 sprintf(offset, "0x%x", (uint)(parts[part_num]->offset + fs_offset));
541 sprintf(length, "0x%x", (uint)len);
543 #ifdef CONFIG_USE_YAFFS
545 ret = nand_cmd(2, ramaddr, offset, length);
547 ret = nand_cmd(1, ramaddr, offset, length);
549 if (!strcmp("yaffs", getenv(parts[part_num]->name)))
550 fs_offset += len / YAFFS_PAGE * NAND_PAGE_SIZE;
556 ret = nand_cmd(1, ramaddr, offset, length);
562 /* Parsing received data packet and Process data */
563 static int process_data(struct usbd_ops *usbd)
565 ulong cmd = 0, arg = 0, ofs = 0, len = 0, flag = 0;
566 char offset[12], length[12], ramaddr[12];
568 unsigned int blocks = 0;
574 sprintf(ramaddr, "0x%x", (uint) down_ram_addr);
577 cmd = *((ulong *) usbd->rx_data + 0);
578 arg = *((ulong *) usbd->rx_data + 1);
579 len = *((ulong *) usbd->rx_data + 2);
580 flag = *((ulong *) usbd->rx_data + 3);
582 /* Reset tx buffer */
583 memset(usbd->tx_data, 0, sizeof(usbd->tx_data));
585 ubi_mode = check_ubi_mode();
588 case COMMAND_DOWNLOAD_IMAGE:
589 printf("\nCOMMAND_DOWNLOAD_IMAGE\n");
591 #ifdef CONFIG_USE_YAFFS
592 usbd->recv_setup((char *)down_ram_addr + yaffs_len, (int)len);
593 printf("Download to 0x%08x, %d bytes\n",
594 (uint)down_ram_addr + yaffs_len, (int)len);
596 usbd->recv_setup((char *)down_ram_addr, (int)len);
597 printf("Download to 0x%08x, %d bytes\n",
598 (uint)down_ram_addr, (int)len);
601 usbd->send_data(usbd->tx_data, usbd->tx_len);
603 /* Receive image by using dma */
604 recvlen = usbd->recv_data();
606 printf("Error: wrong image size -> %d/%d\n",
607 (int)recvlen, (int)len);
609 /* Retry this commad */
610 *((ulong *) usbd->tx_data) = STATUS_RETRY;
612 *((ulong *) usbd->tx_data) = STATUS_DONE;
614 usbd->send_data(usbd->tx_data, usbd->tx_len);
617 /* Report partition info */
618 case COMMAND_PARTITION_SYNC:
621 #ifdef CONFIG_CMD_UBI
623 if (part_id == RAMDISK_PART_ID ||
624 part_id == FILESYSTEM_PART_ID ||
625 part_id == FILESYSTEM2_PART_ID) {
626 /* change to yaffs style */
630 if (part_id == FILESYSTEM3_PART_ID) {
631 /* change ubi style */
637 if (part_id == FILESYSTEM3_PART_ID)
638 part_id = get_part_id("UBI");
639 else if (part_id == MODEM_PART_ID)
640 part_id = get_part_id("modem");
641 else if (part_id == KERNEL_PART_ID)
642 part_id = get_part_id("kernel");
647 printf("COMMAND_PARTITION_SYNC - Part%d\n", part_id);
649 blocks = parts[part_id]->size / 1024 / 128;
650 printf("COMMAND_PARTITION_SYNC - Part%d, %d blocks\n",
653 *((ulong *) usbd->tx_data) = blocks;
654 usbd->send_data(usbd->tx_data, usbd->tx_len);
657 case COMMAND_WRITE_PART_0:
659 printf("COMMAND_WRITE_PART_0\n");
662 case COMMAND_WRITE_PART_1:
663 printf("COMMAND_WRITE_PART_BOOT\n");
664 part_id = get_part_id("bootloader");
668 case COMMAND_WRITE_PART_2:
669 case COMMAND_ERASE_PARAMETER:
670 printf("COMMAND_PARAMETER - not support!\n");
673 case COMMAND_WRITE_PART_3:
674 printf("COMMAND_WRITE_KERNEL\n");
675 part_id = get_part_id("kernel");
676 img_type = IMG_KERNEL;
679 case COMMAND_WRITE_PART_4:
680 printf("COMMAND_WRITE_ROOTFS\n");
681 part_id = get_part_id("Root");
682 img_type = IMG_FILESYSTEM;
686 case COMMAND_WRITE_PART_5:
687 printf("COMMAND_WRITE_FACTORYFS\n");
688 part_id = get_part_id("Fact");
689 img_type = IMG_FILESYSTEM;
693 case COMMAND_WRITE_PART_6:
694 printf("COMMAND_WRITE_DATAFS\n");
695 part_id = get_part_id("Data");
696 img_type = IMG_FILESYSTEM;
700 case COMMAND_WRITE_PART_7:
701 printf("COMMAND_WRITE_UBI\n");
702 part_id = get_part_id("UBI");
703 img_type = IMG_FILESYSTEM;
705 /* someday, it will be deleted */
709 case COMMAND_WRITE_PART_8:
710 printf("COMMAND_WRITE_MODEM\n");
711 part_id = get_part_id("modem");
712 img_type = IMG_MODEM;
715 case COMMAND_WRITE_PART_9:
716 printf("COMMAND_WRITE_MMC\n");
718 mmc_part_write = arg;
721 case COMMAND_WRITE_UBI_INFO:
722 printf("COMMAND_WRITE_UBI_INFO\n");
725 #ifdef CONFIG_CMD_UBI
727 sprintf(length, "0x%x", (uint)len);
728 ret = ubi_cmd(part_id, ramaddr, length, "begin");
731 printf("Error: Not UBI mode\n");
735 *((ulong *) usbd->tx_data) = ret;
736 /* Write image success -> Report status */
737 usbd->send_data(usbd->tx_data, usbd->tx_len);
740 /* Download complete -> reset */
741 case COMMAND_RESET_PDA:
742 printf("\nDownload finished and Auto reset!\nWait........\n");
755 case COMMAND_RESET_USB:
756 printf("\nError is occured!(maybe previous step)->\
757 Turn off and restart!\n");
763 case COMMAND_RAM_BOOT:
768 case COMMAND_RAMDISK_MODE:
769 printf("COMMAND_RAMDISK_MODE\n");
770 #ifdef CONFIG_RAMDISK_ADDR
772 down_ram_addr = usbd->ram_addr;
774 down_ram_addr = CONFIG_RAMDISK_ADDR;
780 #ifdef CONFIG_DOWN_PHONE
781 case COMMAND_DOWN_PHONE:
782 printf("COMMAND_RESET_PHONE\n");
786 *((ulong *) usbd->tx_data) = STATUS_DONE;
787 usbd->send_data(usbd->tx_data, usbd->tx_len);
790 case COMMAND_CHANGE_USB:
791 printf("COMMAND_CHANGE_USB\n");
801 case COMMAND_CSA_CLEAR:
802 printf("COMMAND_CSA_CLEAR\n");
803 part_id = get_part_id("csa");
804 img_type = IMG_MODEM;
807 case COMMAND_PROGRESS:
808 if (usbd->set_progress)
809 usbd->set_progress(arg);
813 printf("Error: Unknown command -> (%d)\n", (int)cmd);
817 /* Erase and Write to NAND */
820 ofs = parts[part_id]->offset;
821 #ifdef CONFIG_RECOVERY
824 1m = ipl(16k)+recovery(240k)+bootloader(768k)*/
825 u32 *buf = (long *)down_ram_addr;
827 u32 bootloader_edge = parts[part_id]->size;
828 u32 bootloader_addr = bootloader_edge >> 2;
829 u32 recovery_edge = bootloader_addr;
830 u32 recovery_addr = recovery_edge >> 4;
831 u32 ipl_edge = recovery_addr;
835 if (len > bootloader_addr) {
836 ofst = bootloader_addr/sizeof(buf);
837 if (*(buf + ofst) == 0xea000012) {
838 /* case: ipl + recovery + bootloader */
839 printf("target: ipl + recovery + loader\n");
842 /* case: unknown format */
843 printf("target: unknown\n");
844 *((ulong *) usbd->tx_data) = STATUS_ERROR;
845 usbd->send_data(usbd->tx_data, usbd->tx_len);
849 ofst = recovery_addr/sizeof(buf);
850 if (*(buf + ofst) == 0xea000012 &&
851 *(buf + ofst - 1) == 0x00000000) {
852 /* case: ipl + bootloader (old type) */
853 printf("target: ipl + bootloader\n");
856 /* case: bootloader only */
857 printf("target: bootloader\n");
858 ofs = bootloader_addr;
860 /* skip revision check */
861 down_mode = MODE_FORCE;
865 sprintf(offset, "%x", ofs);
866 sprintf(length, "%x", parts[part_id]->size);
868 /* check block is locked/locked-tight */
869 ret = nand_cmd(3, offset, length, NULL);
871 printf("target is locked%s\n",
872 (ret == 1) ? "-tight" : "");
873 printf("-> try at recovery mode \
874 to update 'system'.\n");
875 printf(" how-to: reset \
876 while pressing volume up and down.\n");
877 *((ulong *) usbd->tx_data) = STATUS_ERROR;
878 usbd->send_data(usbd->tx_data, usbd->tx_len);
883 #ifdef CONFIG_S5PC1XX
884 /* Workaround: for prevent revision mismatch */
885 if (cpu_is_s5pc110() && (down_mode != MODE_FORCE)) {
887 long *img_header = (long *)down_ram_addr;
889 if (*img_header == 0xea000012)
891 else if (*(img_header + 0x400) == 0xea000012)
894 if (img_rev != s5pc1xx_get_cpu_rev()) {
895 printf("CPU revision mismatch!\n"
896 "bootloader is %s%s\n"
897 "download image is %s%s\n",
898 s5pc1xx_get_cpu_rev() ? "EVT1" : "EVT0",
899 s5pc1xx_get_cpu_rev() == 2 ? "-Fused" : "",
900 img_rev ? "EVT1" : "EVT0",
901 img_rev == 2 ? "-Fused" : "");
902 *((ulong *) usbd->tx_data) = STATUS_ERROR;
903 usbd->send_data(usbd->tx_data, usbd->tx_len);
908 #if defined(CONFIG_ENV_IS_IN_NAND) || defined(CONFIG_ENV_IS_IN_ONENAND)
909 /* Erase the environment also when write bootloader */
912 param_id = get_part_id("params");
914 if (param_id == -1) {
915 sprintf(offset, "%x", CONFIG_ENV_ADDR);
916 sprintf(length, "%x", CONFIG_ENV_SIZE);
918 sprintf(offset, "%x", parts[param_id]->offset);
919 sprintf(length, "%x", parts[param_id]->size);
921 nand_cmd(0, offset, length, NULL);
924 sprintf(offset, "%x", ofs);
925 sprintf(length, "%x", parts[part_id]->size);
928 nand_cmd(0, offset, length, NULL);
930 sprintf(length, "%x", (unsigned int) len);
931 ret = nand_cmd(1, ramaddr, offset, length);
935 sprintf(offset, "%x", parts[part_id]->offset);
936 sprintf(length, "%x", parts[part_id]->size);
939 nand_cmd(0, offset, length, NULL);
941 sprintf(length, "%x", (unsigned int) len);
942 ret = nand_cmd(1, ramaddr, offset, length);
947 ret = write_file_system(ramaddr, len, offset, length,
948 part_id, ubi_update);
952 sprintf(offset, "%x", parts[part_id]->offset);
953 sprintf(length, "%x", parts[part_id]->size);
957 nand_cmd(0, offset, length, NULL);
959 printf("CSA Clear will be skipped temporary\n");
961 /* Write : arg (0 Modem) / (1 CSA) */
963 sprintf(length, "%x", (unsigned int) len);
964 ret = nand_cmd(1, ramaddr, offset, length);
968 #ifdef CONFIG_CMD_MMC
971 ret = write_file_mmc_part(usbd, ramaddr,
972 len, offset, length);
974 ret = write_file_mmc(usbd, ramaddr,
975 len, offset, length);
985 /* Retry this commad */
986 *((ulong *) usbd->tx_data) = STATUS_RETRY;
987 usbd->send_data(usbd->tx_data, usbd->tx_len);
990 *((ulong *) usbd->tx_data) = STATUS_DONE;
992 /* Write image success -> Report status */
993 usbd->send_data(usbd->tx_data, usbd->tx_len);
997 /* Reset write count for another image */
1001 #ifdef CONFIG_USE_YAFFS
1009 static const char *recv_key = "SAMSUNG";
1010 static const char *tx_key = "MPL";
1012 int do_usbd_down(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1014 struct usbd_ops *usbd;
1018 down_mode = simple_strtoul(argv[1], NULL, 10);
1020 down_mode = MODE_NORMAL;
1022 printf("USB Downloader v%s\n", APP_VERSION);
1024 /* get partition info */
1025 err = get_part_info();
1029 /* interface setting */
1030 usbd = usbd_set_interface(&usbd_ops);
1031 down_ram_addr = usbd->ram_addr;
1033 /* init the usb controller */
1036 /* receive setting */
1037 usbd->recv_setup(usbd->rx_data, usbd->rx_len);
1039 /* detect the download request from Host PC */
1040 if (usbd->recv_data()) {
1041 if (strncmp(usbd->rx_data, recv_key, strlen(recv_key)) == 0) {
1042 printf("Download request from the Host PC\n");
1045 strcpy(usbd->tx_data, tx_key);
1046 usbd->send_data(usbd->tx_data, usbd->tx_len);
1048 printf("No download request from the Host PC!! 1\n");
1052 printf("No download request from the Host PC!!\n");
1056 printf("Receive the packet\n");
1058 /* receive the data from Host PC */
1060 usbd->recv_setup(usbd->rx_data, usbd->rx_len);
1062 if (usbd->recv_data()) {
1063 if (process_data(usbd) == 0)
1071 U_BOOT_CMD(usbdown, CONFIG_SYS_MAXARGS, 1, do_usbd_down,
1072 "Initialize USB device and Run USB Downloader (specific)",
1074 "usbdown mode - specific mode (0: NORAML, 1: FORCE)\n"