Kontron KTT20-pITX - Manual (Page 27)

KTD-S0045-D Page 23 Bootloader Modification and Download
KTT20/pITX Software Guide
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Execute the SPI.bat file. The following screen output must appear:
Nvflash started
rcm version 0X20001
System Information:
chip name: t20
chip id: 0x20 major: 1 minor: 3
chip sku: 0x8
chip uid: ........
macrovision: disabled
hdcp: enabled
sbk burned: false
dk burned: false
boot device: spi
operating mode: 3
device config strap: 0
device config fuse: 0
sdram config strap: 0
sending file: spi.bct
4080/4080 bytes sent
spi.bct sent successfully
downloading bootloader -- load address: 0x108000 entry point: 0x108000
sending file: spi-flasher.img
..... / ..... bytes sent
spi-flasher.img sent successfully
waiting for bootloader to initialize
bootloader failed NvError 0x0
command failure: bootloader download failed
Press enter to continue:
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Ignore the error messages. The 'nvflash' program expects some additional operations which
are never executed. Now U-Boot is starting and you should see the bootloader serial output
on your terminal program.
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To prevent data loss when switching off the board it is a good solution to control the pro-
gramming progress over the serial output. You should see as a minimum:
SF: Detected SST25VF032B with page size 4096, total 4 MiB
4096 KiB SST25VF032B at 0:0 is now current device
ERASING...
WRITING...
5.2.2 Linux ® Operation
Download the bootloader into SDRAM:
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If you want to develop your own U-Boot version use the script file from the directory
'SDRAM'. Copy your binary U-Boot file (default name: u-boot.bin), the file from the direc-
tory 'SDRAM' and all files from the NVFLASH root directory into the same directory.