[OpenWrt-Devel] write/read from mtd ART partition

John kerry kerry9842 at gmail.com
Tue Feb 16 05:43:10 EST 2016


I am trying to write mac address and Serial number in ART partition.

Creating 6 MTD partitions on "spi0.0":
0x000000000000-0x000000040000 : "u-boot"
0x000000040000-0x000000050000 : "u-boot-env"
0x000000050000-0x000000680000 : "rootfs"
mtd: partition "rootfs" set to be root filesystem
mtd: partition "rootfs_data" created automatically, ofs=5B0000, len=D0000
0x0000005b0000-0x000000680000 : "rootfs_data"
0x000000680000-0x0000007f0000 : "kernel"
0x0000007f0000-0x000000800000 : "art"
0x000000050000-0x0000007e0000 : "firmware"

cat /proc/mtd
dev:    size   erasesize  name
mtd0: 00040000 00010000 "u-boot"
mtd1: 00010000 00010000 "u-boot-env"
mtd2: 00630000 00010000 "rootfs"
mtd3: 000d0000 00010000 "rootfs_data"
mtd4: 00170000 00010000 "kernel"
mtd5: 00010000 00010000 "art"
mtd6: 00790000 00010000 "firmware"

Could anyone help me to write wifi mac address and Serial number to ART
partition without overwriting on calibration data.

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