제가 오늘 OMAP3530에 있는 NAND Device에 MTD Block이 5개(x-loader, u-boot, boot_params, uImage, rootfs.jffs2)로

설정을 하여 커널 부팅시 Root file system을 /dev/mtdblock4로 설정하는 것을 테스트 했습니다.

그런데, rootfs.jffs2 를 만드는 툴이 Host에 없습니다. rootfs.jffs2를 만드는 설명좀 가이드 받고자 합니다.

아래는 제가 u-boot에서 사용한 script입니다.

setenv ipaddr          192.168.0.110
setenv serverip        192.168.0.10
setenv gatewayip       192.168.0.30
setenv netmask         255.255.255.0
setenv hostname        NGPRSEVM
setenv ethername       eth0

setenv ethaddr         00:50:c2:7e:8c:5a
setenv get_kernel      run nand_kernel
setenv get_initrd      run nand_initrd
setenv nand_kernel     nand read.i 0x80000000 280000 200000
setenv nand_initrd     nand read.i 0x81600000 780000 1000000

setenv tftp_kernel     tftpboot 0x80000000 bjkim/uImage.evm.02.01.03.11
setenv tftp_initrd     tftpboot 0x81600000 bjkim/ramdisk.gz.02.01.03.11

setenv bootargs_rd     mem=128M console=ttyS0,115200n8 root=/dev/ram0 initrd=0x81600000,40M ramdisk_size=40960
setenv bootargs_fs     mem=128M console=ttyS0,115200n8 noinitrd root=/dev/mtdblock4 rw rootfstype=jffs2
setenv bootargs_nfs    mem=128M console=ttyS0,115200n8 noinitrd rw root=/dev/nfs nfsroot=/opt/nfs/target,nolock

setenv addip           setenv bootargs $(bootargs) ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname):$(ethername):on

setenv boot_rd         run get_kernel; run get_initrd; setenv bootargs $(bootargs_rd); run addip; bootm 0x80000000
setenv boot_fs         run get_kernel; setenv bootargs $(bootargs_fs); run addip; bootm 0x80000000
setenv boot_nfs        run tftp_kernel; setenv bootargs $(bootargs_nfs); run addip; bootm 0x80000000

setenv bootcmd         run boot_nfs
setenv bootdelay       2

setenv rf_unlock      nand unlock

setenv rf_blank_ram   mw.b 0x81600000 0xff 0x1400000
setenv rf_er_xloader  nand erase 0 80000
setenv rf_er_uboot    nand erase 80000 80000
setenv rf_er_env      nand erase 240000 20000
setenv rf_er_kernel   nand erase 280000 200000
setenv rf_er_ramdisk  nand erase 780000 1000000
setenv rf_er_fs       nand erase 780000 1400000

setenv rf_get_xloader tftpboot 0x81600000 bjkim/x-load.bin.ift.evm.02.01.03.11
setenv rf_get_uboot   tftpboot 0x81600000 bjkim/u-boot.bin.evm.02.01.03.11
setenv rf_get_kernel  tftpboot 0x81600000 bjkim/uImage.evm.02.01.03.11
setenv rf_get_ramdisk tftpboot 0x81600000 bjkim/ramdisk.gz.02.01.03.11
setenv rf_get_fs      tftpboot 0x81600000 bjkim/rootfs.jffs2.02.01.03.11

setenv rf_wr_xloader  nand ecc hw; nand write.i 0x81600000 0 20000
setenv rf_wr_uboot    nand ecc sw; nand write.i 0x81600000 80000 40000
setenv rf_wr_kernel   nand ecc sw; nand write.i 0x81600000 280000 200000
setenv rf_wr_ramdisk  nand ecc sw; nand write.i 0x81600000 780000 1000000
setenv rf_wr_fs       nand ecc sw; nand write.i 0x81600000 780000 1400000

setenv rf_ev          run rf_unlock; run rf_er_env

setenv rf_xl          run rf_unlock; run rf_blank_ram; run rf_er_xloader; run rf_get_xloader; run rf_wr_xloader
setenv rf_ub          run rf_unlock; run rf_blank_ram; run rf_er_uboot; run rf_get_uboot; run rf_wr_uboot
setenv rf_kn          run rf_unlock; run rf_blank_ram; run rf_er_kernel; run rf_get_kernel; run rf_wr_kernel
setenv rf_rd          run rf_unlock; run rf_blank_ram; run rf_er_ramdisk; run rf_get_ramdisk; run rf_wr_ramdisk
setenv rf_min_rd      run rf_unlock; run rf_blank_ram; run rf_er_ramdisk; run rf_get_min_rd; run rf_wr_ramdisk
setenv rf_fs          run rf_unlock; run rf_blank_ram; run rf_er_fs; run rf_get_fs; run rf_wr_fs
setenv rf_all_rd      run rf_xl; run rf_ub; run rf_kn; run rf_rd
setenv rf_all_min_rd  run rf_xl; run rf_ub; run rf_kn; run rf_min_rd
setenv rf_all_fs      run rf_xl; run rf_ub; run rf_kn; run rf_fs

save