U boot : driver bind error and Device tree error at node NULL.

[Keval Desai]

i have made my own custom board based on beaglebone black wireless. 

only change in that is my EEPROM is blank.  To bypass that check i tried following methods.

1) i applied these patches  based on this post

 https://octavosystems.com/forums/topic/osd3358-boot/#post-4733

– patch -p1 < 0001-am335x_evm-uEnv.txt-bootz-n-fixes.patch
– patch -p1 < 0002-U-Boot-BeagleBone-Cape-Manager.patch
– patch -p1 < 0002-NFM-Production-eeprom-assume-device-is-BeagleBone-Bl.patch

it didnt give any result and i havent received anything on serial debug header. 

2) then hardcoded the function in  u-boot/board/ti/am335x/board.h

static inline int board_is_bone_lt(void)
{
        printf("called it\n");
        return 1;
}

i received following log on the serial debug...................................

U-Boot SPL 2018.03-00001-g3751650-dirty (Mar 14 2018 - 19:32:44 +0530)
Trying to boot from MMC1
Loading Environment from FAT... *** Warning - bad CRC, using default environment
Failed (-5)
Called lt
Called lt
Called lt
Called lt
Called lt
Called lt
Called lt
Called lt
Called lt
Called lt
Called lt
Called lt
Called lt
Called lt
Called lt

U-Boot 2018.03-00001-g3751650-dirty (Mar 14 2018 - 19:32:44 +0530)
CPU  : AM335X-GP rev 2.1
Model: TI AM335x BeagleBone Black
DRAM:  512 MiB
Error binding driver 'gpio_omap': -22
Error binding driver 'gpio_omap': -22
Error binding driver 'gpio_omap': -22
Some drivers failed to bind
Error binding driver 'generic_simple_bus': -22
Some drivers failed to bind
initcall sequence 9ffac608 failed at call 8080e757 (err=-22)
### ERROR ### Please RESET the board ###

it continuously reset the board with these two errors repeatedly.  

U-Boot SPL 2018.03-00001-g3751650-dirty (Mar 14 2018 - 19:32:44 +0530)
Trying to boot from MMC1
Loading Environment from FAT... *** Warning - bad CRC, using default environment
Failed (-5)
Called lt
Called lt
Called lt
Called lt
Called lt
Called lt
Called lt
Called lt
Called lt
Called lt
Called lt
Called lt
Called lt
Called lt
Called lt

U-Boot 2018.03-00001-g3751650-dirty (Mar 14 2018 - 19:32:44 +0530)
CPU  : AM335X-GP rev 2.1
Model: TI AM335x BeagleBone Black
DRAM:  512 MiB
No serial driver found
Device tree error at node NULL
Device tree error at node NULL
Device tree error at node NULL
resetting ...
Device tree error at node NULL
Device tree error at node NULL
Device tree error at node NULL

Can you tell me what should i do to boot images like BBBW does. Your little guidance will help me a lot.

Regards,

Keval Desai