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Author Topic: No valid NAND flash driver found  (Read 2724 times)
metrotrak
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« on: June 28, 2010, 09:30:50 AM »

Unfortunately, I'm a newbie.
Fortunately. I have years of experience with embedded systems.
Unfortunately, I bricked by Sheevaplug Uboot.
Fortunately, I can connect via openocd / usbserial / sheevaplug-installer-v1.0.
Unfortunately, getting "No valid NAND flash driver found".
Fortunately, openocd does detect the device saying "tap/device found: 0x20a023d3 (mfg: 0x1e9, part: 0x0a02, ver: 0x2)"
Unfortunately, despite the Fortunates, the installer scripts and manual commands (like sheevaplug_reflash_uboot) fail because of the NAND driver issue.

Anyone ever see this and resolve it?

Here is the output (run from OSX):
Code:
> openocd -f openocd/config/board/sheevaplug.cfg

Open On-Chip Debugger 0.4.0 (2010-06-27-18:57)
Licensed under GNU GPL v2
For bug reports, read
http://openocd.berlios.de/doc/doxygen/bugs.html
2000 kHz
trst_and_srst separate srst_gates_jtag trst_push_pull srst_open_drain
jtag_nsrst_delay: 200
jtag_ntrst_delay: 200
dcc downloads are enabled
Error: No valid NAND flash driver found (0)
Available NAND flash controller drivers:
  nonce
  davinci
  lpc3180
  orion
  s3c2410
  s3c2412
  s3c2440
  s3c2443
  s3c6400
  imx31
  at91sam9
Info : clock speed 2000 kHz
Info : JTAG tap: feroceon.cpu tap/device found: 0x20a023d3 (mfg: 0x1e9, part: 0x0a02, ver: 0x2)
Info : Embedded ICE version 0
Info : feroceon.cpu: hardware has 1 breakpoint/watchpoint unit
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blueqoo0321
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« Reply #1 on: July 28, 2010, 04:06:21 AM »

Hi metrotrak

Have you change another NAND flash chip?

If yes, check NAND REGs in mvBoardEnvSpec.c in UBOOT source.
nand read   0x3E07CF
nand write   0xF0F0F
nand control   0x1C7D941

If no, try using UART Boot. (to make sure your CPU and DDR are alive)


but... your KW6281 must be A1 version.

Regards
 Grin

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Zectbumo
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« Reply #2 on: January 23, 2012, 06:10:33 PM »

I think I solved the NAND error in the conversation with myself.  Does this solve your issue?

http://www.plugcomputer.org/plugforum/index.php?topic=6041.0
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