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TWR-MPC5125 User Manual
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8.2 Program Device-tree and Kernel
1). Device-tree
=> setenv fdt_name mpc5125-twr.dtb
=> setenv flash_dtb 0xb00
=> tftp 0x3000000 $fdt_name
=> nand_e $flash_dtb 0xb01
=> nand_w 0x3000000 $flash_dtb 0x3000
2). Kernel
=> setenv kernel_name vmlinux-5125-twr.bin
=> setenv flash_kernel 0x300
=> tftp 0x3000000 $kernel_name
=> nand_e $flash_kernel 0xaff
=> nand_w 0x3000000 $flash_kernel 0x400000 (file size)
8.3 Upgrade Filesystem from a USB Disk
1. Copy the ram file system, rootfs.ext2.gz.uboot-common, to /tftpboot on the
host computer.
2. Copy the nand flash file system, <ROOTFS_PACKAGE>.tar, to a USB disk
drive.
3. Plug the USB disk drive into the target system.
4. Start ramdisk filesystem at the u-boot prompt.
=> run net_ramboot
5. Type "3" to exit the utility.
6. Install NAND rootfs by using the USB disk in ramdisk filesystem.
Type the following commands at ramdisk filesystem prompt.
TWR-MPC 5125
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