IMX7D Uboot using kobs tool to flash "Uboot.imx" to NAND

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IMX7D Uboot using kobs tool to flash "Uboot.imx" to NAND

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MkingWang
Contributor I

Hi I'm trying to boot U-Boot from NAND Flash on custorm board. Due to the limit of custorm board DDR size(LPDDR2 64MB), it seems hard to setup linux on this board. So i'm tring to flash "Uboot.imx" to NAND Flash based on u-boot environment. 

Now, i have aready compliled "kobs" code in u-boot, and flashed "Uboot.imx" to NAND Flash, here is the steps:

1. Transmit Uboot.imx based on "loadx" to board address 0x81000000;

2. Using kobs tool to creat "FCB","DBBT" data based on "Uboot.imx" and NAND parameters, then flash these data and "Uboot.imx" to NAND ,BCH parameters are 13, 62;

3. using nand dump command to check NAND block0 data, seems no problem;

4. Set boot mode to NAND Boot, but uard has no information out.

Attached file is the nand dump log

Can everyone help me to check the dump log correct or not? Is there exist any other way to flash "Uboot.imx" to NAND Flash in small DDR board ?

Thanks a lot!

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