求助各位大佬，我尝试的解决方案如下：
1：已尝试重刷系统 启动失败
2：SD卡换到其它RDK X3板子 系统成功启动运行（证明SD卡刷的系统没问题）
3：更换电源 启动失败
usb链接的串口调试信息如下（以下信息 每隔30s左右重复不断打印）：
Hobot>NOTICE: fast_boot:0
S
F
L
O
NOTICE: efuse cpu_cfg = 0
W
NOTICE: Booting Trusted Firmware
NOTICE: BL1: v1.4(release):HR-ROM-Rel-v1.1-141-ga91d4dd-dirty
NOTICE: BL1: Built : 11:24:44, Oct 23 2019
NOTICE: boot src: 2
NOTICE: GigaDev SPI NAND was found.
NOTICE: Block size: 128 KiB, page size: 2048
NOTICE: BL1: Booting BL2
Auth pass
NOTICE: bl1_main exit
*** SPL abnormal reset flow (do not re-init ddr) ***
check_reset_state (3): wakeup address = 0x0, hw wakeup status = 0x3, wakeup src=0x100
patch for sys_pll 1200 with 100M eth
SFLOW_INIT
CHIP ID:PKX393/WAFER: W05/ X: X36/ Y: Y23
secondary_jump_to_spl: secure chip flow
X3 SPL : secondary core wake up and jump to spl done (cpu_core_cfg=0)
SFLOW_FIN_HW_A
U-Boot SPL 2018.09-ge9420b2419 (Nov 14 2022 - 19:33:24 +0800)
SPACC Init - ID: (00000061)
SPL nand boot mode (from strap)
GigaDev SPI NAND was found.
Block size: 128 KiB, page size: 2048
ddr_type = 1 (LPDDR4)
hb_chip_package_type:3
load ddr header src_addr: 100000, load_addr: 802ca020, src_len: a00
find valid ddr image
ddr_hdr.ecc_gran: 0x0
ddr_hdr.ecc_map: 0x0
ddr_hdr.sbr_pattern0: 0x0
ddr_hdr.sbr_pattern1: 0x0
ddr_freq = 05
board id = 31540334
ddr datarate: 3200
SAMSUNG DDR
no ddr pin set
detect part number: 108
detect ddr freq: c80
board id alternative:0x3
index is 12
index is 15
index is 19
hb_ddr_index: 19
ddr_type = 1, ddr_vendor=3, ddr_freq=3200
dram_pll_init
sscg disabled
control load ddrc src_addr: 15aa00, load_addr: 802caa20, src_len: 920
[DDR INFO] ==ddr_release_info==
[DDR INFO] VERSION: develop
[DDR INFO] BUILD: 2022-11-14-19:33
[DDR INFO] GIT COMMIT: e9420b2419c75e3d5e98c20012c945b5b2798cc6
[DDR INFO] GIT TIME: Mon, 14 Nov 2022 19:15:27 +0800
[DDR INFO] ==ddr_features==
[DDR INFO] RDBI: 0
[DDR INFO] WDBI: 1
[DDR INFO] InlineECC: 0
[DDR INFO] DM: 1
[DDR INFO] DDC: 1
[DDR INFO] SSCG: 0
[DDR INFO] BOARD: XS_ENABLE
[DDR INFO] ddr_controller_cfg done
load ddr phy src_addr: 15b400, load_addr: 802caa20, src_len: 420
ATxSlewRate : 15f
ATxImpedance : 7f
TxSlewRate : 19f
TxOdtDrvStren : 600
TxImpedanceCtrl : e3f
CalDrvStr0 : 11
VrefInGlobal : 104
board_type = 4 (CUSTOMER_BOARD)
load dqmap src addr: 15d200, load_addr: 802caa20, src_len: 20
[DDR INFO] dwc_ddrphy_train start
magic = 544f4248
load imem1 src_addr: 11ce00, load_addr: 802caa20, src_len: 8000
load dmem1 src_addr: 159c00, load_addr: 802caa20, src_len: 684
executing 1D fw
load imem2 src_addr: 124e00, load_addr: 802caa20, src_len: 8000
load dmem2 src_addr: 15a400, load_addr: 802caa20, src_len: 564
p_dmem_lpddr4_2d_16b->MR11_A0:54
p_dmem_lpddr4_2d_16b->MR14_A0:54
p_dmem_lpddr4_2d_16b->MR12_A0:51
p_dmem_lpddr4_2d_16b->MR22_A0:14
p_dmem_lpddr4_2d_16b->MR3_A0:b3
p_dmem_lpddr4_2d_16b->Reserved00:40
p_dmem_lpddr4_2d_16b->Reserved0E:4
p_dmem_lpddr4_2d_16b->Delay_Weight2D:20
p_dmem_lpddr4_2d_16b->Voltage_Weight2D:80
executing 2D fw
load pie src_addr: 15ba00, load_addr: 802caa20, src_len: 11f0
Set QoS.
get_ddr_mr_info:cs_num=2, mr5=0xff, mr8=0x10
SPL_VERSION:7
update root hash
verify signature of efuse image: verify ok!
efuse image bypass
total_sz = 4096
SPL_VERSION:7
uboot partition is uboot_A
load u-boot: src_addr=0x380000, dest_addr=0x4000000, len=2097152
load warm boot spl: addr=0x800, dest_addr=0x80000000, len=31232
load bl31: addr=0x300000, dest_addr=0x0, len=524288
SFLOW_AUTH_BL31
verify signature of header: verify ok!
verify signature of image: verify ok!
bypass bpu image
clear keybank!!!
SFLOW_DBG_EN
Trying to boot from RAM
SPL: bl31 will jump to u-boot or other entry (0x4000000)
SFLOW_CLR_KEY
SFLOW_REG_LD
install_portal copy portal
install_portal call smc and jump to bl31 cold entry(0x0)
hobot_vm_read_raw channel = 0, reg_volt=296791
hobot_vm_read_raw channel = 0, reg_volt=296791
hb_adjust_somid_by_gpios pvt_val=3
hb som type: 8
X3 Pi Reset VDD_SD done
U-Boot 2018.09-gced5ac77 (May 15 2023 - 10:46:51 +0800)
Model: Hobot XJ3 Soc Board
DRAM: system DDR size: 0xffe00000
4 GiB
MMC: dwmmc@A5010000: 0, dwmmc@A5011000: 1, dwmmc@A5012000: 2
Loading Environment from UBI… GigaDevice SPI NAND was found.
128 MiB, block size: 128 KiB, page size: 2048, OOB size: 64
OK
In: serial@a5000000
Out: serial@a5000000
Err: serial@a5000000
Net: x3pi reset eth phy done
Warning: ethernet@A5014000 (eth0) using random MAC address - 76:52:37:59:8b:46
eth0: ethernet@A5014000
Disable cnn cores ..
dtb_name:hobot-x3-pi_v2_1.dtb
base board type: X3 SDB(for ddr dqmap)
bootmode: NAND
board_id = 31540334
hb_boot_args_cmd_set custom_bootargs 0 ubuntu_boot 1
Hit key to stop autoboot in 1s
enable watchdog success !
Hobot>NOTICE: fast_boot:0
求助各位大佬，有什么解决方案？非常感谢！！！！