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Re: No UART communication when flashing SPI with u-boot

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Hi,

 

I am also getting same issue log ERROR:

bfin-uclinux-ldr -l ~/tftpboot/u-boot.ldr.uart /dev/ttyUSB0 && kermit -l /dev/ttyUSB0 -b 57600 -C connect

Loading LDR /home/eldaas/tftpboot/u-boot.ldr.uart ... OK!

Opening /dev/ttyUSB0 ... OK!

Configuring terminal I/O ... OK!

Trying to send autobaud ... OK!

Trying to read autobaud ... OK!

Checking autobaud ... OK!

Autobaud result: 115200bps 23.961mhz (header:0xBF DLL:0x0D DLH:0x00 fin:0x00)

Sending blocks of DXE 1 ... [7/25] (28%)[board said: ]

OK!          

You may want to run minicom or kermit now

Quick tip: run 'ldr <ldr> <devspec> && minicom'

Connecting to /dev/ttyUSB0, speed 57600

Escape character: Ctrl-\ (ASCII 28, FS): enabled

Type the escape character followed by C to get back,

or followed by ? to see other options.

?Carrier required but not detected.

***********************************

Hint: To CONNECT to a serial device that

is not presenting the Carrier Detect signal,

first tell C-Kermit to:

 

   SET CARRIER-WATCH OFF

 

***********************************

 

C-Kermit 9.0.302 OPEN SOURCE:, 20 Aug 2011, for Linux+SSL+KRB5

Copyright (C) 1985, 2011,

  Trustees of Columbia University in the City of New York.

Type ? or HELP for help.

(/home/eldaas/blackfin-sources/) C-Kermit>

 

Not getting u-boot console for further communication.

Please suggest me how to resolve this issue and able to do parallel NOR flash.

 

Thanks,

Vidya


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