do_gentoo_on_usd_for_iot-gate-imx7
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do_gentoo_on_usd_for_iot-gate-imx7 [2017/11/04 23:55] admin |
do_gentoo_on_usd_for_iot-gate-imx7 [2017/11/21 17:49] admin |
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| + | == Parted == | ||
| + | parted /dev/sdX | ||
| + | mklabel msdos | ||
| + | mkpart primary fat32 2048s 150M | ||
| + | mkpart primary ext4 150M -1 | ||
| + | | ||
| + | mkfs.vfat -F 32 /dev/sdX1 | ||
| + | mkfs.ext4 -L root -m 0.1 /dev/sdX2 | ||
| + | |||
| == Understand the firmware == | == Understand the firmware == | ||
| When I open the folder **install/** into **cl-som-imx7-linux.zip**, I scan with ''file'' command to understand what I have, usually ARM hardware use uboot, then I hope uboot system + linux kernel + ramdisk. | When I open the folder **install/** into **cl-som-imx7-linux.zip**, I scan with ''file'' command to understand what I have, usually ARM hardware use uboot, then I hope uboot system + linux kernel + ramdisk. | ||
| Line 29: | Line 38: | ||
| Then it will be easy the boot the current kernel to uSD part to boot gentoo. | Then it will be easy the boot the current kernel to uSD part to boot gentoo. | ||
| + | |||
| + | I do: | ||
| + | dd bs=1 skip=72 if=boot.scr of=boot.script | ||
| + | I change into: | ||
| + | #System for CL-SOM-iMX7 | ||
| + | | ||
| + | # Parameters | ||
| + | setenv tty "ttymxc0,115200" | ||
| + | setenv mmcdev 0 | ||
| + | setenv rdaddr 0x82000000 | ||
| + | setenv loadaddr 0x80800000 | ||
| + | setenv fdtaddr 0x83000000 | ||
| + | setenv fdt_high 0xffffffff | ||
| + | setenv initrd_high 0xffffffff | ||
| + | | ||
| + | test -z "$fdtfile" && setenv fdtfile $fdt_file | ||
| + | | ||
| + | setenv bootargs "root=/dev/mmcblk0p2 ro console=$tty vram=16M" | ||
| + | setenv kernel kernel.img | ||
| + | | ||
| + | test -z "$storagetype" && setenv storagetype mmc | ||
| + | test -z "$storagedev" && setenv storagedev ${mmcdev} | ||
| + | | ||
| + | # Script start | ||
| + | load ${storagetype} ${storagedev} ${fdtaddr} ${fdtfile} | ||
| + | load ${storagetype} ${storagedev} ${loadaddr} ${kernel} | ||
| + | echo "Starting uSD system ..." | ||
| + | bootz ${loadaddr} ${fdtaddr} | ||
| + | | ||
| + | After install the package **dev-embedded/u-boot-tools** I do: | ||
| + | mkimage -C none -A arm -T script -d boot.script boot.scr | ||
| + | |||
| + | After I do my ext4 part with rootfs.tar.bz2 content into my second uSD partition. Or other system keeping the **/lib/modules/** at the first time util I do my own kernel. FAT32 on first part with: | ||
| + | * boot.scr | ||
| + | * kernel.img | ||
| + | * imx7d-sbc-iot-imx7.dtb | ||
do_gentoo_on_usd_for_iot-gate-imx7.txt ยท Last modified: 2017/11/21 17:49 by admin
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