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小弟手中有一块贝尔金7230-4 v2000串行版(外壳7231-4 v1000tt,其实内部和7230-4 v2000串行版相同),配置为BCM4712 @ 200MHz + 5352 + AT45DB161B(2M),内存换成了16M颗粒但仍然只识别8M!刷了DD micro SF版。
昨日用JTAG线连上,用tjtag3-0-1,看说明列表已经支持了AT45DB161B闪存,但是运行结果如下:
EJTAG Debrick Utility v3.0.1 Tornado-MOD
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Probing bus ... Done
Instruction Length set to 8
CPU Chip ID: 00100100011100010010000101111111 (2471217F)
*** Found a Broadcom BCM4712 Rev 2 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 did NOT enter Debug Mode!> ... Done
Clearing Watchdog ... Done
Probing Flash at (Flash Window: 0x1fc00000) ...
DMA Read Addr = 1fc00000 Data = (00000000)ERROR ON READ
DMA Read Addr = 1fc00002 Data = (00000000)ERROR ON READ
DMA Read Addr = 1fc00000 Data = (00000000)ERROR ON READ
DMA Read Addr = 1fc00002 Data = (00000000)ERROR ON READ
DMA Read Addr = 1fc00000 Data = (00000000)ERROR ON READ
DMA Read Addr = 1fc00002 Data = (00000000)ERROR ON READ
DMA Read Addr = 18000040 Data = (00000000)ERROR ON READ
DMA Read Addr = 18000040 Data = (00000000)ERROR ON READ
DMA Read Addr = 18000048 Data = (00000000)ERROR ON READ
Done
*** Unknown or NO Flash Chip Detected ***
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不识别闪存芯片!如果在后面强制加上AT45DB161B的参数/fc:16,备份CFE过程中一堆读取错误,耗时1110秒之后,读到了一堆全部是00 00 00 ……
还望各位大侠指点,如何进行操作?或者,如何激活16MB内存。。。
论坛上的参数我已经试了好多圈了,如果用nvram命令修改,似乎无法修改ncdl参数,即,commit重启之后,ncdl参数并未改变,仍然是8M。。。 |
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