Linux/AM4378: eMMC boot fails

Tool/software: Linux

Dear,

We have designed board broadly based on AM437x-gp-evm and We use SDK  4.01. It is working good.

Now I want to boot my system from eMMC.  I made two partitions (mmcblk1p1 and mmcblk1p2). as per below guidelines.

1. The eMMC is /dev/mmcblk1. Format it this way:
2. fdisk /dev/mmcblk1
3. o- this clears the existing partitions
4. p - this lists all partition tables on the card (there should be none)
5. n - create a new partition
6. p - primary partition
7. 1 - partition number
8. 2048 - default value for the first sector
9. +16M - last sector / partition size
10. t - change the partition type (select partition 1)
11. e - change tha partition type to "W95 FAT16 (LBA)"
12. a - set the bootable flag for the selected partition (1)
13. n - create a new partition
14. p - primary partition
15. 2 - partition number
16. hit Enter to choose the default (next available) value for the first sector
17. hit Enter to choose the default (last) value for the last sector
18. p - this lists all partition tables on the card (there should be two)
19. w - write all the above changes to disk
20. umount /dev/mmcblk1p1; mkfs.vfat -F 16 /dev/mmcblk1p1 - format the first partition
21. umount /dev/mmcblk1p2; mkfs.ext4 /dev/mmcblk1p2 - format the second partition.

It formated correctly. Then i copied the files as given below from root@am437x-evm :

# mkdir boot

• # mount /dev/mmcblk1p1 boot
• # cp MLO boot
• # cp u-boot.img boot
• #umount boot

Copied file system as given below

• # mkdir root
• # mount /dev/mmcblk1p2 root
•  cp -r /usr/bin/rootfs/* root

• # umount root

Both partitions has been done perfectly and copied all the files also.

I used sdk 2.0 uboot source and generated MLO and u-boot.img and copied to my eMMC first partition.

I have edited below lines in "am43xx.h"

#define FAT_ENV_DEVICE_AND_PART "1:1"        from        #define FAT_ENV_DEVICE_AND_PART "0:1" 

and i have edited "bootpart=1:2\0" \       from      "bootpart=0:2\0" \ below bold line in below function

#define CONFIG_EXTRA_ENV_SETTINGS \
DEFAULT_LINUX_BOOT_ENV \
DEFAULT_MMC_TI_ARGS \
"fdtfile=undefined\0" \
"bootpart=1:2\0" \
"bootdir=/boot\0" \
"bootfile=zImage\0" \

Please find my attached "am43xx.h"

4382.am43xx_evm.h

Now i removed sd card and boot from eMMC, I am getting only one line of message as given below

U-Boot SPL 2015.07-00114-gf8d68d1-dirty (Sep 03 2018 - 15:12:44) 

It does not boot. from eMMC .Kindly go through my "am43xx.h" file.

Is there any mistake in my "am43xx.h"?  How do i solve this problem?

Regards,

Winiston.P