Hi,
Please see -
http://wiki.davincidsp.com/index.php?title=Flashing_NAND_Flash
As far as I remember you've to change the bootswitch in the EVM to do
make it through UART.
I have tried this sometime back and it worked;
Cheers,
Deepak
________________________________
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On
Behalf Of richard.zhao
Sent: Monday, November 03, 2008 3:10 PM
To: davinci-linux-open-source
Subject: DM355 - UBL and display flicker
Hi,
I accidentally erased my nand flash on the DM355 EVM board. As a result,
the UBL and the u-boot were all gone. Fortunately, there is the serial
port tool to burn the UBL and u-boot (
http://wiki.davincidsp.com/index.php?title=Serial_Boot_and_Flash_Loading
_Utility
<http://wiki.davincidsp.com/index.php?title=Serial_Boot_and_Flash_Loadin
g_Utility> ) . I did that, and my board came back to live. But there is
a problem, now when I run the encodedecode demo, a lot of annoying
noise/flicker pop up everywhere on the screen, and the frame rate drops
to < 20fps. I tried the "writeb" program from
(http://linux.omap.com/pipermail/davinci-linux-open-source/2008-June/007
264.html
<http://linux.omap.com/pipermail/davinci-linux-open-source/2008-June/007
264.html> ), it doesn't help. The demo ran well with my old UBL and
u-boot. Since I use the same u-boot, I guess the problem must be the U
BL coming with the Serial Flash Loading Utility. This tool can't load
other UBL except for its own.
Does anyone know how to load the UBL without a JTAG emulator (I don't
have one)? Or someone has similar experience? Thanks a lot!
Richard
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