jtag失败，提示DMA地址读取错误

nsp0702

网件614 V5 改为8m 32m用jtag刷机的时候提示dma地址读取错误是什么回事？有哪位高手指点一下
具体显示信息如下：

==============================================
EJTAG Debrick Utility v3.0.1 Tornado-MOD
==============================================

Probing bus ... Done

Instruction Length set to 8

CPU Chip ID: 00000101001101010000000101111111 (0535017F)
*** Found a Broadcom BCM5350 Rev 1 CPU chip ***

    - EJTAG IMPCODE ....... : 00000000100000000000100100000100 (00800904)
    - EJTAG Version ....... : 1 or 2.0
    - EJTAG DMA Support ... : Yes
    - EJTAG Implementation flags: R4k MIPS32

Issuing Processor / Peripheral Reset ... Done
Enabling Memory Writes ... Done
Halting Processor ... <Processor Entered Debug Mode!> ... Done
Clearing Watchdog ... Done

Manual Flash Selection ... Done

Flash Vendor ID: 00000000000000000000000011000010 (000000C2)
Flash Device ID: 00000000000000000010001011001001 (000022C9)
*** Manually Selected a MX29LV640B 4Mx16 TopB     (16MB) Flash Chip ***

    - Flash Chip Window Start .... : 1c000000
    - Flash Chip Window Length ... : 01000000
    - Selected Area Start ........ : 1f000000
    - Selected Area Length ....... : 00040000

*** You Selected to Flash the CFE.BIN ***

=========================
Flashing Routine Started
=========================
Total Blocks to Erase: 0


Loading CFE.BIN to Flash Memory...
[  0% Flashed]   1f000000: DMA Read Addr = 1f000002  Data = (00000000)ERROR ON R
EAD
10000817 DMA Read Addr = 1f000004  Data = (00000000)ERROR ON READ
DMA Read Addr = 1f000006  Data = (00000000)ERROR ON READ
00000000 DMA Read Addr = 1f000008  Data = (00000000)ERROR ON READ
DMA Read Addr = 1f00000a  Data = (00000000)ERROR ON READ
00000000 DMA Read Addr = 1f00000c  Data = (00000000)ERROR ON READ
DMA Read Addr = 1f00000e  Data = (00000000)ERROR ON READ
00000000
[  0% Flashed]   1f000010: DMA Read Addr = 1f000010  Data = (00000000)ERROR ON R
EAD
DMA Read Addr = 1f000012  Data = (00000000)ERROR ON READ
00000000 DMA Read Addr = 1f000014  Data = (00000000)ERROR ON READ
DMA Read Addr = 1f000016  Data = (00000000)ERROR ON READ
00000000 DMA Read Addr = 1f000018  Data = (00000000)ERROR ON READ
DMA Read Addr = 1f00001a  Data = (00000000)ERROR ON READ
00000000 DMA Read Addr = 1f00001c  Data = (00000000)ERROR ON READ
DMA Read Addr = 1f00001e  Data = (00000000)ERROR ON READ
00000000
[  0% Flashed]   1f000020: DMA Read Addr = 1f000020  Data = (00000000)ERROR ON R
EAD

nsp0702

焊了好几个芯片都是这样子，是我没焊好吗

jacky_ye

有没有换个版本的JTAG软件试试。有时候换个版本就可以识别了。

nsp0702

好的！谢谢！

nsp0702

好几个版本都试过了也不行，奇怪呀