u-boot(nvt_ns02302)-优快云博客

本文链接：https://blog.youkuaiyun.com/zhang6318/article/details/144081097

nvt_fw_update

* firm_upd_firm，USB ethernet UART烧写？

* flash启动，不升级。

* 接TF卡，loader中检查固件，并设置LDCF_UPDATE_FW标志？

TF	FW.bin	firm_upd_firm	LdCtrl2
接	存在	0	0x1 LDCF_UPDATE_FW
	不存在	0	0x0
不接		0	0x8 LDCF_BOOT_FLASH

FW_UPDATE

board/novatek/nvt-ns02302-a64/ns02302evb.c

CONFIG_NVT_IVOT_SOC_FW_UPDATE_SUPPORT=y

BOOT_FUNC

arch/arm/include/asm/nvt-common/nvt_common.h

116 /*Bininfo boot info. */
117 #define COMM_UBOOT_BOOT_FUNC_BOOT_UPDFIRM   1
118 #define COMM_UBOOT_BOOT_FUNC_BOOT_UPD_FRM_USB   2
119 #define COMM_UBOOT_BOOT_FUNC_BOOT_UPD_FRM_ETH   3
120 #define COMM_UBOOT_BOOT_FUNC_BOOT_FORMAT_ROOTFS 4
121 #define COMM_UBOOT_BOOT_FUNC_BOOT_RECOVERY_SYS  5
122 #define COMM_UBOOT_BOOT_FUNC_BOOT_REASON_MASK   0xff << 0
123 #define COMM_UBOOT_BOOT_FUNC_BOOT_DONE      1 << 8
124 #define COMM_UBOOT_BOOT_FUNC_BOOT_NG        2 << 8
125 #define COMM_UBOOT_BOOT_FUNC_BOOT_DONE_MASK 0xff << 8
126 #define COMM_UBOOT_BOOT_FUNC_LOAD_DSP_MASK   0xff << 16
127 #define COMM_UBOOT_BOOT_FUNC_LOAD_DSP_DONE      1 << 16
128 #define COMM_UBOOT_BOOT_FUNC_LOAD_DSP_NG        2 << 16

Include/modelext/shm_info.h

loader中BOOT_REASON定义。

 79 //BOOT_REASON
 80 #define BOOT_REASON_NORMAL   0 // normal or from sd
 81 #define BOOT_REASON_FWUPDFW  1 // Firmware update Firmware
 82 #define BOOT_REASON_FROM_USB 2 // Update from USB
 83 #define BOOT_REASON_FROM_ETH 3 // Update from ethernet
 84 #define BOOT_REASON_FORMAT_ROOTFS 4 // Format rootfs because rootfs broken is detected
 85 #define BOOT_REASON_RECOVERY_SYS    5 // System recovery from eMMC
 86 #define BOOT_REASON_FROM_UART 6 // Update from uart

LibExt/LIBExt_src/Ctrl_Flow/bl_func.c

只搜索到BOOT_REASON_FROM_UART、BOOT_REASON_FROM_USB、BOOT_REASON_NORMAL、BOOT_REASON_FROM_ETH。

misc_init_r

nvt_handle_fw_auto

根据boot_reason进行不同处理：USB、ETH烧写，TF卡启动、FORMAT_ROOTFS、RECOVERY_SYS、TF卡升级(flash或eMMC启动)。

358 #ifdef CONFIG_NVT_IVOT_SOC_FW_UPDATE_SUPPORT
359 static int nvt_handle_fw_auto(void)
360 {
361     int ret = 0;
362     unsigned long boot_reason = nvt_readl((ulong)nvt_shminfo_comm_uboot_boot_func) & COMM_UBOOT_BOOT_FUNC_BOOT_REASON_MASK;
363
364     if ((boot_reason == COMM_UBOOT_BOOT_FUNC_BOOT_UPD_FRM_USB) || \
365                 (boot_reason == COMM_UBOOT_BOOT_FUNC_BOOT_UPD_FRM_ETH)){
366         // Update by USB/ETH: firmware will be loaded by loader.
367         ret = nvt_handle_update_fw_by_usb_eth();
368         if (ret < 0)
369             return ret;
370     } else if (nvt_detect_fw_tbin()) {
371         ret = nvt_handle_fw_tbin();
372         if (ret < 0)
373             return ret;
374     } else if (boot_reason == COMM_UBOOT_BOOT_FUNC_BOOT_FORMAT_ROOTFS){
375         printf("%s: COMM_UBOOT_BOOT_FUNC_BOOT_FORMAT_ROOTFS is not supported\n", __func__);
376         return -1;
377     } else if (boot_reason == COMM_UBOOT_BOOT_FUNC_BOOT_RECOVERY_SYS){
378         // Recovery system if loader send event to do system recovery. (EMMC boot only)
379         ret = nvt_handle_recovery_sys();
380         if (ret < 0)
381             return ret;
382     } else {
383         ret = nvt_handle_fw_abin();
384         if (ret < 0)
385             return ret;
386     }
387
388     return 0;
389 }
390 #endif

nvt_handle_update_fw_by_usb_eth

USB、ETH烧写，nvt_fw_update(true)，loader已经把固件加载到内存。

nvt_detect_fw_tbin

从RAM、SD卡启动、异常情况，从SD卡加载xxxT.bin固件运行。

* T.bin Boot from Ram，!="LD_NVT"，Boot from SD card

* A.bin Boot from flash or emmc

163 int nvt_detect_fw_tbin(void)
164 {
165     SHMINFO *p_shminfo;
166 #ifdef CONFIG_NVT_IVOT_SOC_BOOT_FROM_RAM
167     nvt_dbg(IND, "Boot from Ram\n");
168     return 1;
169 #endif
170
171     p_shminfo = (SHMINFO *)nvt_memory_cfg[MEMTYPE_SHMEM].addr;
172     if (strncmp(p_shminfo->boot.LdInfo_1, "LD_NVT", 6) != 0) {
173         return -1;
174     } else {
175         if (p_shminfo->boot.LdCtrl2 & LDCF_BOOT_CARD) {
176             /* T.bin */
177             nvt_dbg(IND, "Boot from SD card\n");
178             return 1;
179         } else {
180             /* A.bin */
181             nvt_dbg(IND, "Boot from flash or emmc\n");
182             return 0;
183         }
184     }
185 }

ns02302_ldr/Include/modelext/shm_info.h

 45 /**
 46      Loader information
 47
 48      MUST 28 WORDS
 49 */
 50 typedef struct _BOOTINFO {
 51     char LdInfo_1[16];  ///< LD-NAME(16) ------ w by Ld
 52     UINT32 LdCtrl;      ///< Fw flag (4) ----------- r by Ld
 53     ///<        BIT 0.enable part-load (0=full load,1=part load)
 54     UINT32 LdCtrl2;     ///< Ld flag (4) ----------- w by Ld
 55     ///<        BIT 0.UPDATE_FW (0=no,1=yes)
 56     ///<        BIT 1.UPDATE_LOADER (0=no,1=yes)
 57     ///<        BIT 2.BOOT_CARD (0=no,1=yes)
 58     ///<        BIT 3.BOOT_FLASH (0=no,1=yes)
 59     ///<        BIT 4.UPDATE_CAL (0=no,1=yes)
 60     ///<        BIT 8.UPDATE_FW_DONE (0=no,1=yes)
 61     //<         BIT 9.BOOT FROM S3 STATE (0=no,1=yes)
 62     UINT32 LdLoadSize;  ///< Ld load size (4) ------ w by Ld (NOTE: this value must be block size align)
 63     UINT32 LdLoadTime;  ///< Ld exec time(us) (4) -- w by Ld
 64     UINT32 LdResvSize;  ///< Ld size (by bytes, reserved size in partition) (4) ------ w by Ld
 65     UINT32 FWResvSize;  ///< FW reserved size (4) ------ w by Ld
 66     UINT16 LdPackage;   ///< IC package expected by Ld (0xFF: ES, 0: 660, 3: 663, 5: 665, etc...)
 67     UINT16 LdStorage;   ///< Internal storage expected by Ld (0: unkown, 1: nand, 2: spi nand, 3: spi nor)
 68     UINT32 fdt_addr;
 69     UINT32 Resv[16];     ///< (4*5) ------------ reserved for project Ld
 70 } BOOTINFO;

nvt_handle_fw_tbin

TF卡读取固件(NVT_BIN_NAME_TYPE_RUNFW)运行？

board/novatek/nvt-ns02302-a64/ns02302evb.c

258 #ifdef CONFIG_NVT_IVOT_SOC_FW_UPDATE_SUPPORT
259 static int nvt_handle_fw_tbin(void)
260 {
261     int ret = 0;
262     char cmdline[1024] = {0};
263     char buf[1024] = {0};
264
265     ret = nvt_fw_load_tbin();
266     if (ret < 0) {
267         switch (ret) {
268         case ERR_NVT_UPDATE_OPENFAILED:
269             printf("Open SD fail:%s No SD device? (%s) %s\r\n", ANSI_COLOR_YELLOW, get_nvt_bin_name(NVT_BIN_NAME_TYPE_RUNFW), ANSI_COLOR_RESET);
270             break;
271         case ERR_NVT_UPDATE_NO_NEED:
272         case ERR_NVT_UPDATE_READ_FAILED:
273             printf("%sRead SD fail (%s) %s\r\n", ANSI_COLOR_RED, get_nvt_bin_name(NVT_BIN_NAME_TYPE_RUNFW), ANSI_COLOR_RESET);
274             return -1;
275             break;
276         default:
277             break;
278         }
279     } else
280         printf("%sLoad successfully %s\r\n", ANSI_COLOR_YELLOW, ANSI_COLOR_RESET);
281
282     ret = nvt_fdt_init(false);
283     if (ret < 0) {
284         printf("modelext init fail\n");
285         return ret;
286     }
287
288     /*
289      * To handle bootargs expanding for the kernel /proc/cmdline and uboot mtdids env setting
290      */
291     sprintf(buf,"%s ",env_get("bootargs"));
292     strcat(cmdline, buf);
293     ret = nvt_part_config((char *)cmdline, NULL);
294     if (ret < 0)
295         return ret;
296
297     env_set("bootargs",cmdline);
298
299     return 0;
300 }
301 #endif

nvt_fw_load_tbin

board/novatek/common/nvt_ivot_fw_update_utils.c

135 int nvt_fw_load_tbin(void)
136 {
137     loff_t size = 0;
138     int ret = 0;
139
140     if (nvt_fs_set_blk_dev())
141         return ERR_NVT_UPDATE_OPENFAILED;
142     else {
143         if (!fs_exists(get_nvt_bin_name(NVT_BIN_NAME_TYPE_RUNFW))) {
144             return ERR_NVT_UPDATE_NO_NEED;
145         }
146     }
147
148     if (nvt_fs_set_blk_dev())
149         return ERR_NVT_UPDATE_OPENFAILED;
150     else {
151         ret = fs_read(get_nvt_bin_name(NVT_BIN_NAME_TYPE_RUNFW), (ulong)nvt_memory_cfg[MEMTYPE_ALL_IN_ONE].addr, 0, 0, &size);
152         if (size <= 0 || ret < 0) {
153             nvt_dbg(ERR, "Read %s at 0x%lx failed ret=%lld\n", get_nvt_bin_name(NVT_BIN_NAME_TYPE_RUNFW), nvt_memory_cfg[MEMTYPE_ALL_IN_ONE].addr, si    ze);
154             return ERR_NVT_UPDATE_READ_FAILED;
155         } else {
156             nvt_dbg(IND, "Read %s at 0x%lx successfully, size=%lld\n", get_nvt_bin_name(NVT_BIN_NAME_TYPE_RUNFW), nvt_memory_cfg[MEMTYPE_ALL_IN_ONE].    addr, size);
157         }
158     }
159
160     return 0;
161 }

get_nvt_bin_name

169 typedef enum
170 {
171     NVT_BIN_NAME_TYPE_FW = 1,
172     NVT_BIN_NAME_TYPE_RUNFW,
173     NVT_BIN_NAME_TYPE_RECOVERY_FW,
174     NVT_BIN_NAME_TYPE_MODELEXT,
175 } NVT_BIN_NAME_TYPE;

从设备树/nvt_info节点获取BIN_NAME属性的值作为前缀，不同类型组成不同的名字。

TYPE	name
FW	xxxxxxxx.bin
RUNFW	xxxxxxxT.bin	SD卡启动
RECOVERY_FW	xxxxxxxR.bin
MODELEXT	xxxxxxxx.fdt.bin	设备树

nvt-info.dtsi

  5 / {
  6     nvt_info {                      /* Get from ModelConfig.txt */
  7         BIN_NAME = "FW98539A";
  8         BIN_NAME_T = "FW98539T";

354 /*
355  * get from bin info.
356  * select:
357  *      0: FW_NAME
358  *      1: RUNFW_NAME
359  *      2: MODELEXT_NAME
360  */
361 char *get_nvt_bin_name(NVT_BIN_NAME_TYPE type)
362 {
363     int  nodeoffset, len = 0;
364     const void *nodep;      /* property node pointer */
365
366     nodeoffset = fdt_path_offset((const void*)nvt_fdt_buffer, "/nvt_info");
367
368     if (nodeoffset < 0) {
369         printf("failed to fdt_path_offset() for /nvt_info, er = %d\n", nodeoffset);
370         return NULL;
371     }
372
373     nodep = fdt_getprop((const void *)nvt_fdt_buffer, nodeoffset, "BIN_NAME", &len);
374     // check before calling strcpy
375     if (nodep == NULL) {
376         return NULL;
377     }
378
379     if (nvt_bin_name == NULL) {
380         nvt_bin_name = calloc(sizeof(char),15);
381         if (!nvt_bin_name) {
382             printf( "%s: allocation failure \n", __FUNCTION__);
383             return NULL;
384         }
385         strcpy(nvt_bin_name, nodep);
386         strcat(nvt_bin_name, ".bin");
387     }
388
389     if ( nvt_bin_name_t == NULL) {
390         nvt_bin_name_t = calloc(sizeof(char),15);
391         if (!nvt_bin_name_t) {
392             printf( "%s: allocation failure \n", __FUNCTION__);
393             free(nvt_bin_name);
394             return NULL;
395         }
396         strcpy(nvt_bin_name_t, nodep);
397         nvt_bin_name_t[strlen(nvt_bin_name_t) - 1] = '\0';
398         strcat(nvt_bin_name_t, "T.bin");
399     }
400
401     if ( nvt_bin_name_r == NULL) {
402         nvt_bin_name_r = calloc(sizeof(char),15);
403         if (!nvt_bin_name_r) {
404             printf( "%s: allocation failure \n", __FUNCTION__);
405             free(nvt_bin_name);
406             free(nvt_bin_name_t);
407             return NULL;
408         }
409         strcpy(nvt_bin_name_r, nodep);
410         nvt_bin_name_r[strlen(nvt_bin_name_r) - 1] = '\0';
411         strcat(nvt_bin_name_r, "R.bin");
412     }
413
414     if ( nvt_bin_name_fdt == NULL) {
415         nvt_bin_name_fdt = calloc(sizeof(char),15);
416         if (!nvt_bin_name_fdt) {
417             printf( "%s: allocation failure \n", __FUNCTION__);
418             free(nvt_bin_name);
419             free(nvt_bin_name_t);
420             free(nvt_bin_name_r);
421             return NULL;
422         }
423         strcpy(nvt_bin_name_fdt, nodep);
424         strcat(nvt_bin_name_fdt, ".fdt.bin");
425     }
426
427     if (type == NVT_BIN_NAME_TYPE_FW) {
428         return nvt_bin_name;
429     } else if (type == NVT_BIN_NAME_TYPE_RUNFW) {
430         return nvt_bin_name_t;
431     } else if (type == NVT_BIN_NAME_TYPE_RECOVERY_FW) {
432         return nvt_bin_name_r;
433     } else {
434         return nvt_bin_name_fdt;
435     }
436 }

nvt_handle_recovery_sys

nvt_process_sys_recovery从eMMC第3个分区(FAT文件系统)读取固件进行升级。

nvt_handle_fw_abin

TF卡升级nvt_fw_update(false)，从TF卡(FAT文件系统)加载固件。

nvt_fw_update

nvt_fs_set_blk_dev

先尝试TF卡第一个分区FAT文件系统，再尝试TF卡不带分区FAT文件系统。

461 int nvt_fs_set_blk_dev(void)
462 {
463     #if 0
464     if (fs_set_blk_dev("mmc", "0:1", FS_TYPE_FAT))
465         if (fs_set_blk_dev("mmc", "0:1", FS_TYPE_EXFAT))
466             if (fs_set_blk_dev("mmc", "0:0", FS_TYPE_FAT))
467                 if (fs_set_blk_dev("mmc", "0:0", FS_TYPE_EXFAT)){
468                             printf("MMC interface configure failed\n");
469                             return -1;
470                 }
471     #else
472     if (fs_set_blk_dev("mmc", "0:1", FS_TYPE_FAT))
473             if (fs_set_blk_dev("mmc", "0:0", FS_TYPE_FAT)) {
474                             printf("MMC interface configure failed\n");
475                             return -1;
476                 }
477     #endif
478
479     return 0;
480 }

fs_size获取固件大小，fs_read读固件(NVT_BIN_NAME_TYPE_FW)。nvt_process_all_in_one进行升级，失败会继续尝试，总共3次。

board/novatek/common

   708 nvt_ivot_common.c
  1822 nvt_ivot_fw_update.c
   878 nvt_ivot_fw_update_utils.c
   529 nvt_ivot_pack.c
  2013 nvt_ivot_soc_utils.c

nvt_ivot_common.c

nvt_ivot_fw_update.c

nvt_flash_write

nvt_update_partitions

nvt_read_partitions

nvt_update_fs_partition

nvt_read_fs_partition

MemCheck_CalcCheckSum16Bit

nvt_chk_last_ebr

nvt_chk_app

nvt_chk_loader

nvt_chk_modelext

nvt_chk_rtos

nvt_chk_atf

nvt_chk_teeos

nvt_chk_ai

nvt_chk_uboot

nvt_chk_linux

nvt_chk_rootfs

nvt_chk_all_in_one_valid

nvt_on_partition_enum_sanity

nvt_switch_boot_patition

nvt_on_partition_enum_update

nvt_on_partition_enum_mtd_readback

nvt_getfdt_emb_addr_size

nvt_checkfdt_part_is_match

nvt_process_all_in_one

nvtpack_verify

nvt_process_sys_recovery

nvt_fw_update

nvt_process_all_in_one

nvt_ivot_fw_update_utils.c

nvt_chk_mtd_fdt_is_null

nvt_fw_load_tbin

nvt_detect_fw_tbin

LD_NVT         -1
LDCF_BOOT_CARD 1 T.bin Boot from SD card
               0 A.bin Boot from flash or emmc

get_nvt_bin_name

nvt_check_is_fw_update_fw

438 int nvt_check_is_fw_update_fw(void)
439 {
440     unsigned long      boot_reason;
441
442     boot_reason = nvt_readl((ulong)nvt_shminfo_comm_uboot_boot_func) & COMM_UBOOT_BOOT_FUNC_BOOT_REASON_MASK;
443
444     return (boot_reason == COMM_UBOOT_BOOT_FUNC_BOOT_UPDFIRM);
445 }

nvt_check_is_fomat_rootfs

447 int nvt_check_is_fomat_rootfs(void)
448 {
449     unsigned long      boot_reason;
450     static int         is_format = -1;
451
452     if(is_format != -1)
453         return is_format;
454
455     boot_reason = nvt_readl((ulong)nvt_shminfo_comm_uboot_boot_func) & COMM_UBOOT_BOOT_FUNC_BOOT_REASON_MASK;
456     is_format = ((boot_reason == COMM_UBOOT_BOOT_FUNC_BOOT_FORMAT_ROOTFS) ? 1 : 0);
457
458     return is_format;
459 }

nvt_ivot_pack.c

nvtpack_er

nvtpack_calc_nvt_sum

nvtpack_verify

 52 // {B5CB64AE-05DD-46FA-B906-0C62D22958D6}
 53 static const GUID GUID_RES =
 54 { 0xb5cb64ae, 0x05dd, 0x46fa, { 0xb9, 0x06, 0x0c, 0x62, 0xd2, 0x29, 0x58, 0xd6 } };
 55
 56 // {8827BE90-36CD-4FC2-A987-73A8484E84B1}
 57 static const GUID GUID_FW =
 58 { 0x8827be90, 0x36cd, 0x4fc2, { 0xa9, 0x87, 0x73, 0xa8, 0x48, 0x4e, 0x84, 0xb1 } };
 59
 60 // {D6012E07-10BC-4F91-B28A-352F82261A50}
 61 static const GUID GUID_FW2 =
 62 { 0xd6012e07, 0x10bc, 0x4f91, { 0xb2, 0x8a, 0x35, 0x2f, 0x82, 0x26, 0x1a, 0x50 } };

GUID比较，计算校验和

 95 _NVTPACK_EXTERN_C NVTPACK_ER nvtpack_verify(NVTPACK_MEM *p_mem, NVTPACK_VERIFY_OUTPUT *p_output)
 96 {
 97     NVTPACK_MEM chk_mem = {0};
 98
 99     memset(p_output, 0, sizeof(*p_output));
100
101     if(IsEqualGUID(&GUID_FW2, (GUID *)p_mem->p_data)) {
102         if(nvtpack_calc_nvt_sum(p_mem) != 0) {
103             return nvtpack_er(NVTPACK_ER_CHECK_SUM);
104         }
105         p_output->ver = NVTPACK_VER_16072017;
106         p_output->partition_cnt = ((NVTPACK_FW_HDR2 *)p_mem->p_data)->TotalRes;
107         return nvtpack_er(NVTPACK_ER_SUCCESS);
108     }
109
110     return nvtpack_er(NVTPACK_ER_UNKNOWN_FORMAT);
111 }

nvt_ivot_pack.h

固件头128字节，每个分区头12字节，PartitionID 1 (modelext must always put in partition[1]) nvt-evb.bin。

 17 #define NVTPACK_CHKSUM_HDR_VERSION       0x16040719U
 18 #define NVTPACK_FW_HDR2_VERSION   0x16071515U
 19
 20 typedef enum _NVTPACK_ER {
 21     NVTPACK_ER_SUCCESS = 0,
 22     NVTPACK_ER_FAILED = -1,
 23     NVTPACK_ER_UNKNOWN_FORMAT = -2,
 24     NVTPACK_ER_CHECK_SUM = -3,
 25     NVTPACK_ER_NOT_FOUND = -4,
 26     NVTPACK_ER_USER_BREAK = -5,
 27     NVTPACK_ER_PARAM = -6,
 28     NVTPACK_ER_MEM_NOT_ENOUGH = -7,
 29     NVTPACK_ER_RTOS_SIZE_ALIGN4 = -8, ///< rtos size must align by 4
 30     NVTPACK_ER_INVALID_WHOLE_SIZE = -9, ///< after nvtpack, whole size must align by 4
 31     NVTPACK_ER_SRC_NAME_BLANK = -10, ///< resource's SrcName cannot be NULL or blank
 32     NVTPACK_ER_SRC_NAME_EXCEED = -11, ///< resource's SrcName cannot exceed 12 bytes
 33     NVTPACK_ER_SRC_NAME_INVALID = -12, ///< resource's SrcName include invalid character
 34     NVTPACK_ER_SRC_NAME_ALIKE = -13, ///< there resource's SrcName are alike.
 35 } NVTPACK_ER;
 36
 37 typedef enum _NVTPACK_VER {
 38     NVTPACK_VER_UNKNOWN,   ///< UNKNOWN
 39     NVTPACK_VER_13012816,      ///< NT9666X, NT9850X
 40     NVTPACK_VER_16072017,      ///< NT9668X
 41 } NVTPACK_VER;
 42
 43 #if !defined(_WIN32)
 44 typedef struct _GUID {
 45     unsigned int   Data1;
 46     unsigned short Data2;
 47     unsigned short Data3;
 48     unsigned char  Data4[8];
 49 } GUID;
 50 #endif
 51
 52 typedef struct _NVTPACK_RES_HDR {
 53     GUID         guid;          ///< {B5CB64AE-05DD-46FA-B906-0C62D22958D6}
 54     unsigned int TotalSize;
 55     unsigned int CheckSum;
 56     unsigned int ContentSize;
 57     char         SrcName[16];   ///< original packed bin file name
 58     char         DstName[16];   ///< target file name
 59 } NVTPACK_RES_HDR;
 60
 61 typedef struct _NVTPACK_FW_HDR {
 62     GUID         guid;          ///< {8827BE90-36CD-4FC2-A987-73A8484E84B1}
 63     unsigned int TotalSize;     ///< sizeof(NVTPACK_FW_HDR) + n*sizeof(NVTPACK_PARTITION_HDR)
 64     unsigned int CheckSum;      ///< check sum of sizeof(NVTPACK_FW_HDR) + n*sizeof(NVTPACK_PARTITION_HDR)
 65     unsigned int TotalRes;      ///< total partitions
 66 } NVTPACK_FW_HDR;
 67
 68 typedef struct _NVTPACK_FW_HDR2 {
 69     GUID         guid;          ///< {D6012E07-10BC-4F91-B28A-352F82261A50}
 70     unsigned int uiVersion;     ///< NVTPACK_FW_HDR2_VERSION
 71     unsigned int uiHdrSize;     ///< sizeof(NVTPACK_FW_HDR2);
 72     unsigned int TotalRes;      ///< total resource counts
 73     unsigned int TotalSize;     ///< whole bin size
 74     unsigned int uiChkMethod;   ///< 0: CheckSum
 75     unsigned int uiChkValue;    ///< check sum value or crc value within NVTPACK_FW_HDR2
 76     unsigned int uiUserData[4]; ///< user defined data that may be used in future
 77     unsigned int uiReversed[18];///< align to 128 bytes
 78 } NVTPACK_FW_HDR2;
 79
 80 typedef struct _NVTPACK_PARTITION_HDR {
 81     unsigned int Offset;
 82     unsigned int Size;
 83     unsigned int PartitionID;
 84 } NVTPACK_PARTITION_HDR;

arch/arm/include/asm/nvt-common/modelext/emb_partition_info.h

 32 enum {
 33     EMBTYPE_UNKNOWN   = 0x00,
 34     EMBTYPE_LOADER    = 0x01,  /* loader must always put in partition[0] */
 35     EMBTYPE_FDT       = 0x02,  /* modelext must always put in partition[1] */
 36     EMBTYPE_OBSOLETE1 = 0x03,
 37     EMBTYPE_OBSOLETE2 = 0x04,
 38     EMBTYPE_UBOOT     = 0x05,
 39     EMBTYPE_LINUX     = 0x06,
 40     EMBTYPE_DSP       = 0x07,
 41     EMBTYPE_PSTORE    = 0x08,
 42     EMBTYPE_FAT       = 0x09,
 43     EMBTYPE_EXFAT     = 0x0A,
 44     EMBTYPE_ROOTFS    = 0x0B,
 45     EMBTYPE_RAMFS     = 0x0C,
 46     EMBTYPE_UENV      = 0x0D, /* u-boot environment data */
 47     EMBTYPE_MBR       = 0x0E, /* for emmc partition, mbr always put in partition[0] instead of loader */
 48     EMBTYPE_ROOTFSL   = 0x0F, /* for emmc logical partition */
 49     EMBTYPE_RTOS      = 0x10, /* freertos */
 50     EMBTYPE_APP       = 0x11, /* for APP , like IQ configs */
 51     EMBTYPE_TEEOS     = 0x12, /* for secure os*/
 52     EMBTYPE_AI        = 0x13, /* for fastboot-ai*/
 53     EMBTYPE_ATF       = 0x14, /* for ATF */
 54     EMBTYPE_BANK      = 0x15, /* for dual rtos, extra partition called bank */
 55     EMBTYPE_MCU       = 0x16, /* MCU firmware, such as 8051, andes */
 56     EMBTYPE_SIZE,
 57 };

board/novatek/common/nvt_ivot_fw_update_utils.c分区转换表。

 42 EMB_PARTITION_FDT_TRANSLATE_TABLE emb_part_fdt_map[EMBTYPE_TOTAL_SIZE] = {
 43     {"partition_mbr", EMBTYPE_MBR},
 44     {"partition_loader", EMBTYPE_LOADER},
 45     {"partition_fdt", EMBTYPE_FDT},
 46     {"partition_fdt.app", EMBTYPE_FDT},  // fastboot application.bin (fdt format)
 47     {"partition_fdt.fast", EMBTYPE_FDT}, // fastboot nvt-fastboot.bin (fdt format)
 48     {"partition_teeos", EMBTYPE_TEEOS},
 49     {"partition_uboot", EMBTYPE_UBOOT},
 50     {"partition_uenv", EMBTYPE_UENV},
 51     {"partition_kernel", EMBTYPE_LINUX},
 52     {"partition_rootfs", EMBTYPE_ROOTFS},
 53     {"partition_rootfsl", EMBTYPE_ROOTFSL},
 54     {"partition_usr", EMBTYPE_USER},
 55     {"partition_usrraw", EMBTYPE_USERRAW},
 56     {"partition_rtos", EMBTYPE_RTOS},
 57     {"partition_rtos_s", EMBTYPE_RTOS},
 58     {"partition_app", EMBTYPE_APP},
 59     {"partition_ai", EMBTYPE_AI},
 60     {"partition_atf", EMBTYPE_ATF},
 61     {"partition_bank", EMBTYPE_BANK},
 62     {"partition_loader.aov", EMBTYPE_LOADER}, // 2nd loader for always on video
 63     {"partition_mcu", EMBTYPE_MCU}, // mcu firmware
 64 };

nvt_ivot_soc_utils.c

nvt_chk_key

nvt_chk_key_on_uboot

nvt_chk_signature_on_uboot

nvt_chk_signature

nvt_decrypt_aes_on_uboot

nvt_decrypt_aes

nvt_part_config

nvt_runfw_bin_chk_valid

nvt_on_partition_enum_copy_to_dest

gz_uncompress

nvt_runfw_bin_unpack_to_dest

uimage_gen_dcrc

uimage_gen_hcrc

uimage_gen_fake_header

is_gzip_image

1456 inline static int is_gzip_image(unsigned long image)
1457 {
1458     return (((NVTPACK_BFC_HDR *)image)->uiFourCC ==
1459             MAKEFOURCC('B', 'C', 'L', '1'));
1460 }

nvt_ker_img_ungzip_linux

nvt_ramdisk_img_ungzip_linux

nvt_boot_linux_bin_auto

nvt_boot_rootfs_bin_auto

nvt_boot_fw_init_detect

nvt_set_bootargs_by_dts

do_nvt_boot_cmd

ns02302_ldr

bl_mainFlow

LibExt/LIBExt_src/Ctrl_Flow/bl_func.c

  93 static UINT8 *LOADER_START_STR   = {(UINT8 *)"\r\nLoader Start ..."};

3362     prj_main();

3376 #if defined(ROM_GetCurrBS)
3377     if (ROM_GetCurrBS() == BOOT_SOURCE_UART) {
3378         debug_msg("Boot from UART ...\r\n");
3379 #if UART_UPDATE
3380         bl_uart();//never returned.
3381 #else
3382         bl_displayErrMsg("loader must be STORAGEEXT = Uart\r\n");
3383 #endif
3384     }
3385
3386     if ((ROM_GetCurrBS() == BOOT_SOURCE_USB)||(ROM_GetCurrBS() == BOOT_SOURCE_USB_FULL)) {
3387         debug_msg("Boot from USB ...\r\n");
3388 #if USB_WRITELOADER
3389         bl_usb(); //never returned.
3390 #else
3391         bl_displayErrMsg("loader must be STORAGEEXT = Usb\r\n");
3392 #endif
3393     }
3394 #endif

debug_msg

 20 extern void debug_set_console(CONSOLE_OBJ *p_obj);
 21 extern CONSOLE_OBJ *debug_get_console(void);
 22 extern void debug_err(char *str);
 23 extern void debug_err_var(char *str, int var);
 24 extern void debug_msg(char *str) __attribute__ ((section (".part1")));
 25 extern void debug_msg_var(char *str, int var) __attribute__ ((section (".part1")));
 26 extern void debug_dump_addr(UINT32 addr, UINT32 size);
 27 extern int printf(char const *fmt, ...);