Using OCD Commander to flash WPJ344 u-boot
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Note: OCD Commander only support download of SREC file, so tuboot.bin
      needs to be converted to SREC format. i.e.
        objcopy -I binary -O srec --change-addresses 0xa0001010 --srec-forceS3 tuboot.bin tuboot.srec

For board with blank flash or non-working u-boot
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1) Power up WPJ344 board
2) Start OCD commander, enable "Defaults->Auto Status Check"
3) Click "Macro" and selects wpj344_init.mac
4) Wait until "Flash write done" appears on the serial console.
   The wait time is about 80 seconds


For board with working u-boot
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No JTAG is required, use ethernet to update u-boot
1) Power up WPJ344 board
2) When the message "Hit any key to stop autoboot" appears on the serial
   console, press any key to stop the autoboot
3) Start a TFTP server on PC host with IP address 192.168.1.10, copy the file
   tuboot.bin to the tftp directory
4) At the u-boot command prompt, enter:
    ar7240> run lu
   This will download tuboot.bin from PC and flash it

To flash Atheros reference firmware
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No JTAG is required, use ethernet to update the firmware kernel and file system
1) Power up WPJ344 board
2) When the message "Hit any key to stop autoboot" appears on the serial
   console, press any key to stop the autoboot
3) Start a TFTP server on PC host with IP address 192.168.1.10, copy the file
   vmlinux.lzma.uImage and db12x-jffs2 to the tftp directory
4) At the u-boot command prompt, enter:
    ar7240> run lk
   This will download vmlinux.lzma.uImage (kernel file) from PC and flash it
    ar7240> run lf
   This will download db12x-jffs2 from PC and flash it

Calibration data on 16MB board
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The data should be in 0x9fff1000, pls use the u-boot command to check:
    ar7240> md 0x9fff1000
If the contents are all 0xff, the firmware cannot work.

If the calibration data is present in location 0x9f7f1000, it can be copied
to the correct location, first check the location:
    ar7240> md 0x9f7f1000
Then issue the commands to copy:
    ar7240> cp.b 0x9f7f0000 0x80600000 0x10000
    ar7240> erase 0x9fff0000 +0x10000
    ar7240> cp.b 0x80600000 0x9fff0000 0x10000

Check again:
    ar7240> md 0x9fff1000