- ======================================================================
======================================================================
fastboot分析:
- ---------------------------------
---------------------------------
- int do_fastboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
-
- {
-
- if (set_partition_table())
-
-
-
- ---------------------------------------->
-
-
-
-
- strcpy(ptable[pcount].name, "bootloader");
-
- ptable[pcount].start = 0;
-
- ptable[pcount].length = 0;
-
- ptable[pcount].flags = FASTBOOT_PTENTRY_FLAGS_USE_MOVI_CMD;
-
- pcount++;
-
-
-
-
-
- strcpy(ptable[pcount].name, "kernel");
-
- ptable[pcount].start = 0;
-
- ptable[pcount].length = 0;
-
- ptable[pcount].flags = FASTBOOT_PTENTRY_FLAGS_USE_MOVI_CMD;
-
- pcount++;
-
-
-
-
-
- strcpy(ptable[pcount].name, "ramdisk");
-
- ptable[pcount].start = 0;
-
- ptable[pcount].length = 0x300000;
-
-
-
- ptable[pcount].flags = FASTBOOT_PTENTRY_FLAGS_USE_MOVI_CMD;
-
- pcount++;
-
- -----------------------
-
-
-
- get_mmc_part_info("0", 2, &start, &count, &pid);
-
- -------------------------
-
- if (pid != 0x83)
-
- goto part_type_error;
-
- strcpy(ptable[pcount].name, "system");
-
-
-
-
-
-
-
-
-
-
-
-
-
- ptable[pcount].start = start * CFG_FASTBOOT_SDMMC_BLOCKSIZE;
-
-
-
- ptable[pcount].length = count * CFG_FASTBOOT_SDMMC_BLOCKSIZE;
-
-
-
- ptable[pcount].flags = FASTBOOT_PTENTRY_FLAGS_USE_MMC_CMD;
-
- pcount++;
-
-
-
-
-
- get_mmc_part_info("0", 3, &start, &count, &pid);
-
- if (pid != 0x83)
-
- goto part_type_error;
-
- strcpy(ptable[pcount].name, "userdata");
-
- ptable[pcount].start = start * CFG_FASTBOOT_SDMMC_BLOCKSIZE;
-
- ptable[pcount].length = count * CFG_FASTBOOT_SDMMC_BLOCKSIZE;
-
- ptable[pcount].flags = FASTBOOT_PTENTRY_FLAGS_USE_MMC_CMD;
-
- pcount++;
-
-
-
-
-
- get_mmc_part_info("0", 4, &start, &count, &pid);
-
- if (pid != 0x83)
-
- goto part_type_error;
-
- strcpy(ptable[pcount].name, "cache");
-
- ptable[pcount].start = start * CFG_FASTBOOT_SDMMC_BLOCKSIZE;
-
- ptable[pcount].length = count * CFG_FASTBOOT_SDMMC_BLOCKSIZE;
-
- ptable[pcount].flags = FASTBOOT_PTENTRY_FLAGS_USE_MMC_CMD;
-
- pcount++;
-
-
-
-
-
- get_mmc_part_info("0", 1, &start, &count, &pid);
-
- if (pid != 0xc)
-
- goto part_type_error;
-
- strcpy(ptable[pcount].name, "fat");
-
- ptable[pcount].start = start * CFG_FASTBOOT_SDMMC_BLOCKSIZE;
-
- ptable[pcount].length = count * CFG_FASTBOOT_SDMMC_BLOCKSIZE;
-
- ptable[pcount].flags = FASTBOOT_PTENTRY_FLAGS_USE_MMC_CMD;
-
- pcount++;
-
-
-
- -------------->
- <PRE class=cpp name="code">---------------------------->
-
- int get_mmc_part_info(char *device_name, int part_num, int *block_start, int *block_count, unsigned char *part_Id)
- {
- int rv;
- PartitionInfo partInfo;
- unsigned char mbr[512];
-
- rv = get_mmc_mbr(device_name, mbr);
-
- if(rv !=0)
- return -1;
-
- switch(part_num)
- {
-
- case 1:
- decode_partitionInfo(&mbr[0x1BE], &partInfo);
- *block_start = partInfo.block_start;
- *block_count = partInfo.block_count;
- *part_Id = partInfo.partitionId;
- break;
-
- case 2:
- decode_partitionInfo(&mbr[0x1CE], &partInfo);
- *block_start = partInfo.block_start;
- *block_count = partInfo.block_count;
- *part_Id = partInfo.partitionId;
- break;
-
- case 3:
- decode_partitionInfo(&mbr[0x1DE], &partInfo);
- *block_start = partInfo.block_start;
- *block_count = partInfo.block_count;
- *part_Id = partInfo.partitionId;
- break;
-
- case 4:
- decode_partitionInfo(&mbr[0x1EE], &partInfo);
- *block_start = partInfo.block_start;
- *block_count = partInfo.block_count;
- *part_Id = partInfo.partitionId;
- break;
- default:
- return -1;
- }
-
- return 0;
- }
- ---------------------------->
- </PRE><BR>
- <PRE></PRE>
- <P> </P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px">=================================================================</SPAN></SPAN></P>
- <P><SPAN style="FONT-SIZE: 16px"><SPAN style="COLOR: blue">设置完分区地址空间后,继续</SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px">=================================================================</SPAN></SPAN></P>
- <P><SPAN style="FONT-SIZE: 16px"><SPAN style="COLOR: blue">主要初始化</SPAN><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman">usb</SPAN></SPAN><SPAN style="COLOR: blue">接口,来等待数据传输。</SPAN></SPAN></P>
- <SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"></SPAN></SPAN>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px">fastboot_init(&interface)</SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px">fastboot_interface = interface;</SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN>fastboot_interface->product_name = device_strings[DEVICE_STRING_PRODUCT_INDEX];</P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN>fastboot_interface->serial_no = device_strings[DEVICE_STRING_SERIAL_NUMBER_INDEX];</P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN>fastboot_interface->nand_block_size = CFG_FASTBOOT_PAGESIZE * 64;
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN>fastboot_interface->transfer_buffer = (unsigned char *) CFG_FASTBOOT_TRANSFER_BUFFER;
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN>fastboot_interface->transfer_buffer_size = CFG_FASTBOOT_TRANSFER_BUFFER_SIZE;
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px">#define CFG_FASTBOOT_TRANSFER_BUFFER </SPAN></SPAN> (0x40000000)
- <P><SPAN style="FONT-SIZE: 16px"><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman">#define CFG_FASTBOOT_TRANSFER_BUFFER_SIZE </SPAN></SPAN>(0x11000000)
- </SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px">#define CFG_FASTBOOT_ADDR_KERNEL </SPAN></SPAN> (0xC0008000)</P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px">#define CFG_FASTBOOT_ADDR_RAMDISK </SPAN></SPAN> (0x30A00000)</P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px">#define CFG_FASTBOOT_PAGESIZE </SPAN></SPAN> (2048)
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px">#define CFG_FASTBOOT_SDMMC_BLOCKSIZE </SPAN></SPAN> (512)
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px">==================================</SPAN></SPAN></P>
- <P></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px">static struct cmd_fastboot_interface interface =</SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px">{</SPAN></SPAN></P>
- <P><SPAN style="FONT-SIZE: 16px"><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman"> </SPAN></SPAN>.rx_handler = rx_handler,
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN>.reset_handler = reset_handler,</P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN>.product_name = NULL,</P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN>.serial_no = NULL,</P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN>.nand_block_size = 0,</P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN>.transfer_buffer = (unsigned char *)0xffffffff,</P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN>.transfer_buffer_size = 0,</P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px">};</SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px">================================================================</SPAN></SPAN></P>
- <PRE class=cpp name="code">---------------------------------------------
- cmd_fastboot.c
- -----------------------------
-
-
-
- if (memcmp(cmdbuf, "erase:", 6) == 0)
- {
- struct fastboot_ptentry *ptn;
-
- ptn = fastboot_flash_find_ptn(cmdbuf + 6);
- if (ptn == 0)
-
- ------------------------------------------------------------
-
- fastboot_ptentry *fastboot_flash_find_ptn(const char *name)
- {
- unsigned int n;
-
- for (n = 0; n < pcount; n++)
- {
-
- if (strlen(name) == strlen(ptable[n].name))
- {
- if (0 == strcmp(ptable[n].name, name))
- return ptable + n;
- }
- }
- return 0;
- }
- -------------------------------------------------------
-
-
-
- char run_cmd[80];
- status = 1;
-
- if (!strcmp(ptn->name, "sytem"))
- {
- sprintf(run_cmd, "ext3format mmc 0:2");
- status = run_command(run_cmd, 0);
- }
- Else if (!strcmp(ptn->name, "userdata"))
- {
- sprintf(run_cmd, "ext3format mmc 0:3");
- status = run_command(run_cmd, 0);
- }
- else if (!strcmp(ptn->name, "cache"))
- {
- sprintf(run_cmd, "ext3format mmc 0:4");
- status = run_command(run_cmd, 0);
- }
- else if (!strcmp(ptn->name, "fat"))
- {
- sprintf(run_cmd, "fatformat mmc 0:1");
- status = run_command(run_cmd, 0);
- }
- =======================================================
- </PRE>
- <P><BR>
- </P>
- <PRE class=cpp name="code">Flash what was downloaded */
- if (memcmp(cmdbuf, "flash:", 6) == 0)
- {
- if (download_bytes == 0)
- {
- sprintf(response, "FAILno image downloaded");
- ret = 0;
- goto send_tx_status;
- }
-
- ptn = fastboot_flash_find_ptn(cmdbuf + 6);
- ----------------------
- if ((download_bytes > ptn->length) && (ptn->length != 0) &&
- !(ptn->flags & FASTBOOT_PTENTRY_FLAGS_WRITE_ENV))
- {
-
- sprintf(response, "FAILimage too large for partition");
-
- }
- else
- {
-
- if (write_to_ptn(ptn, (unsigned int)interface.transfer_buffer, download_bytes))
- {
- printf("flashing '%s' failed\n", ptn->name);
- sprintf(response, "FAILfailed to flash partition");
- }
- else
- {
- printf("partition '%s' flashed\n", ptn->name);
- sprintf(response, "OKAY");
- }
- }
- -------------------------------------------
- </PRE>
- <P><BR>
- </P>
- <P><SPAN style="COLOR: red"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"></SPAN></SPAN></P>
- <P><SPAN style="COLOR: red"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN>strcpy(ptable[pcount].name, "kernel");</P>
- <P><SPAN style="COLOR: red"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN>ptable[pcount].start = 0;</P>
- <P><SPAN style="COLOR: red"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN>ptable[pcount].length = 0;</P>
- <P><SPAN style="COLOR: red"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN>ptable[pcount].flags = FASTBOOT_PTENTRY_FLAGS_USE_MOVI_CMD;</P>
- <P><SPAN style="COLOR: red"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN>pcount++;</P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN>
- </P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px">#######################################################################</SPAN></SPAN></P>
- <PRE class=cpp name="code">static int write_to_ptn(struct fastboot_ptentry *ptn, unsigned int addr, unsigned int size)
- {
-
- #elif defined(CFG_FASTBOOT_SDMMCBSP)
- {
- int ret = 1;
- char device[32], part[32];
- char start[32], length[32], buffer[32];
-
- char *argv[6] = { NULL, "write", NULL, NULL, NULL, NULL, };
- int argc = 0;
-
- if ((ptn->length != 0) && (size > ptn->length))
- {
- printf("Error: Image size is larger than partition size!\n");
- return 1;
- }</PRE><PRE class=cpp name="code">
- real_len = (size /CFG_FASTBOOT_SDMMC_BLOCKSIZE + 1);
-
-
- if (ptn->flags & FASTBOOT_PTENTRY_FLAGS_USE_MMC_CMD)
- {
- argv[2] = device;
- argv[3] = buffer;
- argv[4] = start;
- argv[5] = length;
- sprintf(device, "mmc %d", 1);
- sprintf(buffer, "0x%x", addr);
- sprintf(start, "0x%x", (ptn->start / CFG_FASTBOOT_SDMMC_BLOCKSIZE));
-
-
- #ifndef CONFIG_EMMC_INAND
- sprintf(length, "0x%x", (ptn->length / CFG_FASTBOOT_SDMMC_BLOCKSIZE));
- #else
- sprintf(length, "0x%x", real_len);
- #endif
-
- ret = do_mmcops(NULL, 0, 6, argv);
- }
- else if (ptn->flags & FASTBOOT_PTENTRY_FLAGS_USE_MOVI_CMD)
- {
- argv[2] = part;
- argv[3] = buffer;
-
- argc = 4;
-
-
- if (!strcmp(ptn->name, "bootloader"))
- {
-
- strncpy(part, "u-boot", 7);
- }
- else if (!strcmp(ptn->name, "ramdisk"))
- {
-
- strncpy(part, "rootfs", 7);
-
- argv[4] = length;
-
- sprintf(length, "0x%x",
- ((size + CFG_FASTBOOT_SDMMC_BLOCKSIZE - 1)
- / CFG_FASTBOOT_SDMMC_BLOCKSIZE ) * CFG_FASTBOOT_SDMMC_BLOCKSIZE);
- argc++;
- }
- else
- {
- argv[2] = ptn->name;
- }
-
- sprintf(buffer, "0x%x", addr);
-
- ret = do_movi(NULL, 0, argc, argv);
-
-
- ret = 1 - ret;
- }
-
- return ret;
- }
- </PRE>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px">===========================</SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px">cmd_mmc.c</SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px">====================</SPAN></SPAN></P>
- <P><SPAN style="FONT-SIZE: 16px"><SPAN style="COLOR: blue">注意:此命令</SPAN><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman"> movi</SPAN></SPAN><SPAN style="COLOR: blue">也会调用,</SPAN><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman">mmc</SPAN></SPAN><SPAN style="COLOR: blue">也调用。所以</SPAN><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman">u-boot</SPAN></SPAN></SPAN></P>
- <P><SPAN style="FONT-SIZE: 16px"><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman">kernel ramdisk system</SPAN></SPAN><SPAN style="COLOR: blue">等多是调用此接口</SPAN></SPAN></P>
- <P><SPAN style="FONT-SIZE: 16px"><SPAN style="COLOR: blue">也就是</SPAN><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman">do_movi</SPAN></SPAN><SPAN style="COLOR: blue">调用</SPAN><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman">
- do_mmcops</SPAN></SPAN><SPAN style="COLOR: blue">命令来读写</SPAN></SPAN></P>
- <PRE class=cpp name="code">int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
- {
- int rc = 0;
-
- switch (argc) {
-
-
- default:
-
- if (strcmp(argv[1], "write") == 0) {
- int dev = simple_strtoul(argv[2], NULL, 10);
- void *addr = (void *)simple_strtoul(argv[3], NULL, 16);
- u32 cnt = simple_strtoul(argv[5], NULL, 10);
- int blk = simple_strtoul(argv[4], NULL, 10);
- u32 n;
- u32 written_cnt;
- u32 cnt_to_write;
- void *addr_to_write = addr;
- struct mmc *mmc = find_mmc_device(dev);
-
-
- if (!mmc)
- return 1;
-
-
- rc = mmc_init(mmc);
- if(rc)
- return rc;
-
- n = 0;
- addr_to_write = addr;
- do {
- if (cnt - n > MAXIMUM_BLOCK_COUNT)
- cnt_to_write = MAXIMUM_BLOCK_COUNT;
- else
- cnt_to_write = cnt - n;
-
- written_cnt = mmc->block_dev.block_write(dev, blk, cnt_to_write, addr_to_write);
- n += written_cnt;
- blk += written_cnt;
- addr_to_write += written_cnt * 512;
- if(cnt_to_write != written_cnt) {
- printf("%d blocks written: %s\n",
- n, "ERROR");
- return -1;
- }
- } while(cnt > n);
-
- printf("%d blocks written: %s\n",
- n, "OK");
- return 0;
- } else {
- printf("Usage:\n%s\n", cmdtp->usage);
- rc = 1;
- }
-
- return rc;
- }
- }
-
- ---------------------------------------------
- </PRE>
- <P><BR>
- </P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px">---------------------------------------------</SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN></P>
- <P><SPAN style="FONT-SIZE: 16px"><SPAN style="COLOR: blue">分析</SPAN><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman"> ret = do_movi(NULL, 0, argc, argv);</SPAN></SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN></P>
- <P><SPAN style="FONT-SIZE: 16px"><SPAN style="COLOR: blue">分析</SPAN><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman"> u-boot </SPAN></SPAN>kernel ramdisk
- </SPAN><SPAN style="COLOR: blue">烧写!!!</SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px">---------------------------------------</SPAN></SPAN></P>
- <PRE class=cpp name="code">int do_movi(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
- {
- char *cmd;
- ulong addr, start_blk, blkcnt;
- uint rfs_size;
- char run_cmd[100];
- uint rw = 0, attribute = 0;
- int i;
- member_t *image;
- struct mmc *mmc;
-
- int dev_num = 0;
-
- cmd = argv[1];
- switch (cmd[0]) {
-
- case 'r':
- rw = 0;
- break;
- case 'w':
- rw = 1;
- break;
- default:
- goto usage;
- }
-
- cmd = argv[2];
-
-
- switch (cmd[0]) {
-
- case 'u':
- if (argc != 4)
- goto usage;
- attribute = 0x2;
-
- addr = simple_strtoul(argv[3], NULL, 16);
- break;
-
- case 'k':
- if (argc != 4)
- goto usage;
- attribute = 0x4;
-
- addr = simple_strtoul(argv[3], NULL, 16);
- break;
-
- case 'r':
- if (argc != 5)
- goto usage;
- attribute = 0x8;
-
- addr = simple_strtoul(argv[3], NULL, 16);
- break;
- default:
- goto usage;
- }
-
- mmc = find_mmc_device(dev_num);
-
- mmc_init(mmc);
-
-
- if (attribute == 0x2) {
-
- if (rw) {
-
- start_blk = raw_area_control.image[1].start_blk;
- blkcnt = raw_area_control.image[1].used_blk;
- printf("Writing BL1 to sector %ld (%ld sectors).. ",
- start_blk, blkcnt);
-
-
- movi_write_bl1(addr);
- }
-
- for (i=0, image = raw_area_control.image; i<15; i++) {
- if (image[i].attribute == attribute)
- break;
- }
-
- start_blk = image[i].start_blk;
- blkcnt = image[i].used_blk;
- printf("%s bootloader.. %ld, %ld ", rw ? "writing":"reading",
- start_blk, blkcnt);
-
-
- sprintf(run_cmd,"mmc %s 0 0x%lx 0x%lx 0x%lx",
- rw ? "write":"read",
- addr, start_blk, blkcnt);
-
-
-
-
- run_command(run_cmd, 0);
- printf("completed\n");
- return 1;
- }
-
-
- if (attribute == 0x4) {
-
- for (i=0, image = raw_area_control.image; i<15; i++) {
- if (image[i].attribute == attribute)
- break;
- }
-
- start_blk = image[i].start_blk;
-
- blkcnt = image[i].used_blk;
-
- printf("%s kernel.. %ld, %ld ", rw ? "writing" : "reading",
- start_blk, blkcnt);
-
- sprintf(run_cmd, "mmc %s 0 0x%lx 0x%lx 0x%lx",
- rw ? "write" : "read", addr, start_blk, blkcnt);
-
- run_command(run_cmd, 0);
-
- printf("completed\n");
- return 1;
- }
-
-
- if (attribute == 0x8) {
-
- rfs_size = simple_strtoul(argv[4], NULL, 16);
-
- for (i=0, image = raw_area_control.image; i<15; i++) {
- if (image[i].attribute == attribute)
- break;
- }
-
- start_blk = image[i].start_blk;
-
- blkcnt = rfs_size/MOVI_BLKSIZE +
- ((rfs_size&(MOVI_BLKSIZE-1)) ? 1 : 0);
- image[i].used_blk = blkcnt;
- printf("%s RFS.. %ld, %ld ", rw ? "writing":"reading",
- start_blk, blkcnt);
-
- sprintf(run_cmd,"mmc %s 0 0x%lx 0x%lx 0x%lx",
- rw ? "write":"read",
- addr, start_blk, blkcnt);
- run_command(run_cmd, 0);
- printf("completed\n");
- return 1;
- }
-
- return 1;
-
- usage:
- printf("Usage:\n%s\n", cmdtp->usage);
- return -1;
- }
- </PRE>
- <P><BR>
- </P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px">#########################################################</SPAN></SPAN></P>
- <P><SPAN style="FONT-SIZE: 16px"><SPAN style="COLOR: blue">分析:</SPAN><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman">cmd_movi.c</SPAN></SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px">#ifdef CONFIG_CMD_MOVINAND</SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN>init_raw_area_table(&host->block_dev);</P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px">#endif</SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px">#########################################################</SPAN></SPAN></P>
- <P> </P>
- <PRE class=cpp name="code">int init_raw_area_table (block_dev_desc_t * dev_desc)
- {
-
- struct mmc *host = find_mmc_device(dev_desc->dev);
-
- if (raw_area_control.magic_number != MAGIC_NUMBER_MOVI) {
- int i = 0;
- member_t *image;
- u32 capacity;
-
- if (host->high_capacity) {
- capacity = host->capacity;
- #ifdef CONFIG_S3C6410
- if(IS_SD(host))
- capacity -= 1024;
- #endif
- } else {
-
- capacity = host->capacity * (host->read_bl_len / MOVI_BLKSIZE);
- }
-
-
- dev_desc->block_read(dev_desc->dev,
- capacity - (eFUSE_SIZE/MOVI_BLKSIZE) - 1,
- 1, &raw_area_control);
- if (raw_area_control.magic_number == MAGIC_NUMBER_MOVI) {
- return 0;
- }
-
-
- raw_area_control.magic_number = MAGIC_NUMBER_MOVI;
-
-
-
- raw_area_control.start_blk = 16*1024*1024/MOVI_BLKSIZE;
-
- raw_area_control.total_blk = capacity;
-
- raw_area_control.next_raw_area = 0;
- strcpy(raw_area_control.description, "initial raw table");
-
- image = raw_area_control.image;
-
-
- #######################################
-
-
- image[1].start_blk = (eFUSE_SIZE/MOVI_BLKSIZE);
-
- image[1].used_blk = MOVI_BL1_BLKCNT;
-
- image[1].size = SS_SIZE;
-
- image[1].attribute = 0x1;
-
- strcpy(image[1].description, "u-boot parted");
- #######################################################
-
-
-
- image[2].start_blk = image[1].start_blk + MOVI_BL1_BLKCNT;
-
- image[2].used_blk = MOVI_ENV_BLKCNT;
-
- image[2].size = CFG_ENV_SIZE;
-
- image[2].attribute = 0x10;
-
- strcpy(image[2].description, "environment");
- dbg("env: %d\n", image[2].start_blk);
- ###########################################################
-
-
- image[3].start_blk = image[2].start_blk + MOVI_ENV_BLKCNT;
-
- image[3].used_blk = MOVI_BL2_BLKCNT;
-
- image[3].size = PART_SIZE_BL;
- image[3].attribute = 0x2;
-
- strcpy(image[3].description, "u-boot");
- dbg("bl2: %d\n", image[3].start_blk);
- ####################################################
-
-
- image[4].start_blk = image[3].start_blk + MOVI_BL2_BLKCNT;
-
- image[4].used_blk = MOVI_ZIMAGE_BLKCNT;
-
- image[4].size = PART_SIZE_KERNEL;
-
- image[4].attribute = 0x4;
-
- strcpy(image[4].description, "kernel");
- dbg("knl: %d\n", image[4].start_blk);
- ######################################################
-
-
- image[5].start_blk = image[4].start_blk + MOVI_ZIMAGE_BLKCNT;
-
- image[5].used_blk = MOVI_ROOTFS_BLKCNT;
-
- image[5].size = PART_SIZE_ROOTFS;
- image[5].attribute = 0x8;
- strcpy(image[5].description, "rfs");
- dbg("rfs: %d\n", image[5].start_blk);
-
- for (i=6; i<15; i++) {
- raw_area_control.image[i].start_blk = 0;
- raw_area_control.image[i].used_blk = 0;
- }
-
- ------------------------------
- </PRE>
- <P><SPAN style="FONT-SIZE: 16px"><SPAN style="COLOR: blue">总结一下</SPAN><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman">:</SPAN></SPAN></SPAN></P>
- <P><SPAN style="FONT-SIZE: 16px"><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman"> </SPAN></SPAN>raw
- </SPAN><SPAN style="COLOR: blue">分区:</SPAN></P>
- <P><SPAN style="FONT-SIZE: 16px"><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman"> </SPAN></SPAN>16M -- 16M + 1K
- </SPAN><SPAN style="COLOR: blue">:</SPAN><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman"> efuse</SPAN></SPAN><SPAN style="COLOR: blue">区域</SPAN><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman"> </SPAN></SPAN><SPAN style="COLOR: blue">标示:</SPAN><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman">initial
- raw table</SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN>image[1] , 0x1</P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN></P>
- <P><SPAN style="FONT-SIZE: 16px"><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman"> </SPAN></SPAN>16M + 1K -- 16M + 1K + 8K
- </SPAN><SPAN style="COLOR: blue">:</SPAN><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman">bl2</SPAN></SPAN><SPAN style="COLOR: blue">前半部分区域</SPAN><SPAN style="COLOR: blue">标示:</SPAN><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman">
- u-boot parted</SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN>image[2] , 0x10</P>
- <P><SPAN style="FONT-SIZE: 16px"><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman"> </SPAN></SPAN>16M + 9K -- 16M + 9K +16K :
- </SPAN><SPAN style="COLOR: blue">环境参数保存区域</SPAN><SPAN style="COLOR: blue">:</SPAN><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman">environment</SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN>image[3], 0x2
- </P>
- <P><SPAN style="FONT-SIZE: 16px"><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman"> </SPAN></SPAN>16M + 9K +16K -- 16M + 25K +512K :bl2
- </SPAN><SPAN style="COLOR: blue">后半部分区域:</SPAN><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman"> u-boot</SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN>image[4[, 0x4</P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN></P>
- <P><SPAN style="FONT-SIZE: 16px"><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman"> </SPAN></SPAN>16M + 25K +512K -- 16M + 25K +512K + 4MB : kernel
- </SPAN><SPAN style="COLOR: blue">区域:</SPAN><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman"> kernel</SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN>image[5],0x8
- </P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN>16M + 25K +512K + 4MB - 16M + 25K +512K + 4MB +26MB</P>
- <P><SPAN style="FONT-SIZE: 16px"><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman"> </SPAN></SPAN> rootfs</SPAN><SPAN style="COLOR: blue">区域,</SPAN><SPAN style="COLOR: blue">表示:</SPAN><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman">
- rfs</SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px">image[5].attribute = 0x8;</SPAN></SPAN></P>
- <P><SPAN style="FONT-SIZE: 16px"><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman"> </SPAN></SPAN><SPAN style="COLOR: blue">方便烧写对应:</SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN></P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN> case 'r':</P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN> if (argc != 5)</P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN> goto usage;</P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN> attribute = 0x8;</P>
- <P><SPAN style="COLOR: blue"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 16px"> </SPAN></SPAN> ###############################################################</P>
- <P><BR>
- <BR>
- </P>
- <P> </P>
- <PRE></PRE>