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| 2013/06/24 17:18:39瀏覽168｜回應0｜推薦0 | |
| //---tiny6410由SD卡開機 不怕把NAND try到掛 使用2G SD卡,超過2G, SD卡的uboot位址不一樣. s3c6410的uboot,是放在卡的最後段 //---查SD卡容量 查使用的sd卡的total sector. 筆者的SD卡是3842048 dd if=/dev/zero of=/dev/sdb bs=512 count=2 fdisk /dev/sdb [u] [p] //---倒入uboot bl1 addr = total sector - 18 = 3842048 - 18 = 3842030 bl2 addr = total sector - 768 = 3842048 - 786 = 3841262 dd if=u-boot.sd.bin of=/dev/sdb seek=3842030 bs=512 count=16 dd if=u-boot.sd.bin of=/dev/sdb seek=3841262 bs=512 //---倒入zImage zImage =total sector - 12306 = 3829742 dd if=zImage_n43 of=/dev/sdb seek=3829742 bs=512 sd卡設ext3 file system, range is 62 ~ 3829700 fdisk /dev/sdb [u] [n] [p] 62 3829700 [w] [q] mkfs.ext3 /dev/sdb //---copy file system 將/dev/sdb mount在./sd_pt 將rootfs image mount在./rootfs mkdir sd_pt mount -t ext3 /dev/sdb1 ./sd_pt mkdir rootfs mount -t ext3 -o loop -t ext3 rootfs_qtopia_qt4.ext3 ./rootfs cd rootfs cp -rpa * ../sd_pt && sync %% sync //---setting uboot env [q] movi init 3842048 0 setenv bootargs "root=/dev/mmcblk0p1 rootfstype=ext3 init=/linuxrc console=ttySAC0,115200" setenv bootcmd "movi init 3842048 0;movi read zImage c0008000;bootm c0008000" setenv bootdelay 5 savee res |
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