『求助』JTAG碰到这样的提示是什么问题？

meiy***

C:\>brjtag -erase:wholeflash

===============================================
Broadcom EJTAG Debrick Utility v1.8c-hugebird
===============================================

Probing bus ... Done

Instruction Length set to 5

CPU assumed running under BIG endian

CPU Chip ID: 00000110001101011000000101111111 (0635817F)
*** Found a Broadcom manufactured BCM6358 REV 01 CPU ***

    - EJTAG IMPCODE ....... : 00000000100000011000100100000100 (00818904)
    - EJTAG Version ....... : 1 or 2.0
    - EJTAG DMA Support ... : Yes
    - EJTAG Implementation flags: R4k MIPS16 MIPS32

Issuing Processor / Peripheral Reset ... Done
Enabling Memory Writes ... Skipped
Halting Processor ... <rocessor did NOT enter Debug Mode!> ... Done
Clearing Watchdog ... Done
Loading CPU Configuration Code ... Skipped
Detecting Flash Base Address...
Read MPI register value : 48454c4f
MPI register show Flash Access Base Addr : 08454c00

Probing Flash at Address: 0x08454C00 ...
DMA Read(h) Addr = 08454c00  Data = (00000000)ERROR ON READ
DMA Read(h) Addr = 08454c02  Data = (00000000)ERROR ON READ
Detected Chip ID (VenIDevID = 00FF : FFFF)
DMA Read(h) Addr = 08454c20  Data = (00000000)ERROR ON READ
DMA Read(h) Addr = 08454c22  Data = (00000000)ERROR ON READ
DMA Read(h) Addr = 08454c24  Data = (00000000)ERROR ON READ
DMA Read(h) Addr = 08454c20  Data = (00000000)ERROR ON READ
DMA Read(h) Addr = 08454c22  Data = (00000000)ERROR ON READ
DMA Read(h) Addr = 08454c24  Data = (00000000)ERROR ON READ
DMA Read(h) Addr = 08454c20  Data = (00000000)ERROR ON READ
DMA Read(h) Addr = 08454c22  Data = (00000000)ERROR ON READ
DMA Read(h) Addr = 08454c24  Data = (00000000)ERROR ON READ
DMA Read(h) Addr = 08454c20  Data = (00000000)ERROR ON READ
DMA Read(h) Addr = 08454c22  Data = (00000000)ERROR ON READ
DMA Read(h) Addr = 08454c24  Data = (00000000)ERROR ON READ
*** Unknown or NO Flash Chip Detected ***


*** REQUESTED OPERATION IS COMPLETE ***

snipe***

OE接地吧，具体的操作请百度

xgg5***

JTAG线没有接好。

top***

jtag肯定接好了，不然cpu都不会认出来。认不出来的是rom，建议加参数，或者说rom没焊接好，或者损坏。