在线等，jtag修复2650bu, 卡在0% bytes = 1024

zzq0106 · 发表于 2010-5-4 20:12:07

本帖最后由 zzq0106 于 2010-5-4 23:10 编辑

写cfe时候每次都卡在 0% bytes = 1024 是什么原因，求教

C:\>brjtag -flash:cfe
===============================================
Broadcom EJTAG Debrick Utility v1.6r-hugebird
===============================================
Probing bus ... Done
Instruction Length set to 5
CPU running under BIG endian
CPU Chip ID: 00000110001101011000000101111111 (0635817F)
*** Found a Broadcom BCM6358 Rev 1 CPU chip ***
- EJTAG IMPCODE ....... : 00000000100000011000100100000100 (008189
- EJTAG Version ....... : 1 or 2.0
- EJTAG DMA Support ... : Yes
- EJTAG Implementation flags: R4k MIPS16 MIPS32
Issuing Processor / Peripheral Reset ... Done
Enabling Memory Writes ... Done
Halting Processor ... <Processor Entered Debug Mode!> ... Done
Clearing Watchdog ... Done
Loading CPU Configuration Code ... Skipped
Probing Flash at (Probe Address: 0x1fc00000) ...
Matching Flash Chip (VenID:DevID = 017e : 2101)
*** Found a Spansion S29GL128N/P Uni (16MB) Flash Chip ***
- Flash Chip Window Start .... : 1f000000
- 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: 2
Erasing block: 1 (addr = 1f000000)...Done
Erasing block: 2 (addr = 1f020000)...Done
Loading CFE.BIN to Flash Memory...
0% bytes = 1024

zzq0106 · 发表于 2010-5-5 00:07:07

检查了连线应该没错，长度也在20cm左右，如果去掉4个100欧姆的电阻会不会有起色？

h25090 · 发表于 2010-5-5 17:30:46

顶起来{{gangzai4{{ 已经识别硬件了，连线长度再短点试试我的2650BU当时识别不了硬件就是线长，10厘米左右就正常了我用的也是1.6版的呵呵

zzq0106 · 发表于 2010-5-5 17:50:01

感谢提醒，这就去试试

wubo1981 · 发表于 2010-5-5 19:11:28

2650bu也有jtag接口了？这下不怕刷死了

zzq0106 · 发表于 2010-5-5 20:57:52

感谢所有坛友，我那死了近一年的2650bu终于复活！

yanqiangn · 发表于 2010-6-24 14:18:54

回复 6# zzq0106

我的2650也挂了·请问能指教下怎么救活吗·？

tq0c10o0 · 发表于 2010-6-24 14:48:59

JTAG线要怎么做

菜狗饿了 · 发表于 2010-6-24 17:12:29

我回去也试试，看看是不是线的问题，认不了CPU

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