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Dalawa kaya partition mga Lods, sa r281 isang partition para sa mediatek 192.168.1.1
Tapos sa next partition Sa Marvel chipset pxa1826 (192.168.8.1)
Pag aralan kaya lahat ng mtd commands
Gaya dto
jffs2write <file> append <file> to the jffs2 partition on the device
mtd is a utility we use to write to an MTD (Memory Technology Device). Please read the Notes to learn more.
Invocation
Usage: mtd [<options> ...] <command> [<arguments> ...] <device>[:<device>...]
Writing to MTD
unlock <dev> unlock the device
refresh <dev> refresh mtd partition
erase <dev> erase all data on device
write <imagefile>|- write <imagefile> (use - for stdin) to device
jffs2write <file> append <file> to the jffs2 partition on the device
fixtrx <dev> fix the checksum in a trx header on first boot
Options
-q quiet mode (once: no [w] on writing, twice: no status messages)
-n write without first erasing the blocks
-r reboot after successful command
-f force write without trx checks
-e <device> erase <device> before executing the command
-d <name> directory for jffs2write, defaults to “tmp”
-j <name> integrate <file> into jffs2 data when writing an image
-o offset offset of the image header in the partition(for fixtrx)
-F <part>[:<size>[:<entrypoint>]][,<part>…] alter the fis partition table to create new partitions replacing the partitions provided as argument to the write command (only valid together with the write command)
Examples
Download linux.bin from Internet (it's not safe to do so, here is for demonstration purpose only), then write linux.bin to a MTD partition labeled as linux (could be mtd4) and reboot afterwards:
cd /tmp
wget
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mtd -r write /tmp/linux.bin linux
Example (flash u-boot from OpenWrt)
Tested on Marvell EspressoBinBoard based on MVEBU, (see forum topic) Download flash-image.bin for your specific hardware from SnapShots
You can checks your mtd partitions from proc :
root@EBIN:~# cat /proc/mtd
dev: size erasesize name
mtd0: 003f0000 00010000 "firmware"
mtd1: 00010000 00010000 "u-boot-env"
(it's not safe to do so, here is for demonstration purpose only),
then write flash-image.bin to a MTD partition labeled as spi0.0 (could be mtd0 or firmware) and reboot afterwards :
cd /tmp
wget
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mtd -r write /tmp/flash-image.bin /dev/mtd0
