Kontron KTT20-pITX Bedienungsanleitung PDF herunterladen (Seite 26)

KTD-S0045-D Page 22 Bootloader Modification and Download

KTT20/pITX Software Guide

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Download the bootloader into SDRAM:

If you want to develop your own U-Boot version use the command 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.

Execute the KTT20.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: ktt20.bct

4080/4080 bytes sent

ktt20.bct sent successfully

downloading bootloader -- load address: 0x108000 entry point: 0x108000

sending file: u-boot.bin

..... / ..... bytes sent

u-boot.bin sent successfully

waiting for bootloader to initialize

bootloader failed NvError 0x0

command failure: bootloader download failed

Press enter to continue:

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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Download the bootloader into SPI

flash

If you want to flash a new final bootloader version or to repair a damaged bootloader use

the command file from the directory 'SPI'. An important prerequisite is an existing image

file as output from the 'ImageCreator' tool (default name: spi-flasher.img) or from a

Kontron BSP. Copy your image file, the file from the directory 'SPI' and all files from the

NVFLASH root directory into the same directory.

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