Embedded LPC3250 Manuel d'utilisateur télécharger pdf (Page 31)

Getting Started With Linux on the LPC3250 OEM Board Page 31

$ sudo umount /dev/sde1

4. Run fdisk to edit the partition table on the memory card.

$ sudo fdisk /dev/sde1

5. List the existing partition table using the

option.

Command (m for help): p

6. Use the

option to delete all partitions on the memory card.

7. Create a new partition using the

option.

8. Select p to create a primary partition.

9. Select 1 for partition number.

10. Use default value for the first cylinder by hitting the Enter key.

11. Use default value for last cylinder by hitting the Enter key.

12. Select w to write the new partition table to the memory card.

13. Format the memory card to an ext2 file system.

$ sudo mkfs.ext2 /dev/sde1

14. Mount the memory card when it has been formatted.

$ sudo mkdir /mnt/mmc

$ sudo mount –t auto /dev/sde1 /mnt/mmc

15. Copy the root file system to the memory card.

$ sudo cp R /home/user/ltib/rootfs/* /mnt/mmc

16. Un-mount the memory card, remove it from the development computer and insert it in the

development board.

$ sudo umount /dev/sde1

17. Boot into the u-boot console and add an

mmcboot

variable.

uboot> uboot> setenv mmcboot setenv bootargs root=/dev/mmcblk0p1

ip=\$(ipaddr) ea_ethaddr=\$(ethaddr) console=ttyS0,115200n8\;run

loadkernel\;bootm \$(loadaddr)

18. Run the

mmcboot

variable

uboot> run mmcboot

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Embedded LPC3250 Manuel d'utilisateur Page 31