USB Boot: Difference between revisions
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{{ | {{Note|Only possible if your docking board has an USB Host controller ;-)}} | ||
===Prepare your key=== | |||
* create a partition on your USB key (supposing it is recognized as /dev/sdb) | |||
* create a partition on your USB key | <pre class="host"> | ||
$ sudo fdisk /dev/sdb | |||
n | |||
p | |||
1 | |||
<ENTER> | |||
<ENTER> | |||
w | |||
</pre> | |||
* format it as ext2: | * format it as ext2: | ||
<pre class="host"> | |||
$ sudo mkfs.ext2 /dev/sdb1 | $ sudo mkfs.ext2 /dev/sdb1 | ||
</pre> | |||
* mount it: | * mount it: | ||
<pre class="host"> | |||
$ sudo mount /dev/sdb1 /media/disk/ | $ sudo mount /dev/sdb1 /media/disk/ | ||
</pre> | |||
* copy rootfs on it: | * copy rootfs on it: | ||
$ sudo tar xvf | <pre class="host"> | ||
$ make shell_env | |||
$ source armadeus_env.sh | |||
$ sudo tar xvf $ARMADEUS_ROOTFS_TAR -C /media/disk/ | |||
$ sudo umount /media/disk/ | $ sudo umount /media/disk/ | ||
</pre> | |||
* | ===Prepare your kernel=== | ||
* Linux should be compiled with USB Host driver as static ('''done by default in current Armadeus configuration'''). For example on the APF9328: | |||
<pre class="host"> | |||
$ make linux-menuconfig | $ make linux-menuconfig | ||
Device Drivers ---> Armadeus specific drivers ---> <*> isp1761 USB 2.0 Host controller | </pre> | ||
<pre class="config"> | |||
Device Drivers ---> | |||
Armadeus specific drivers ---> | |||
<*> isp1761 USB 2.0 Host controller | |||
</pre> | |||
===Set environment variables in U-Boot=== | |||
<pre class="apf"> | |||
BIOS> setenv usbroot /dev/sda1 | |||
BIOS> setenv usbrootfstype ext2 | |||
BIOS> setenv addusbargs setenv bootargs \${bootargs} root=\${usbroot} rootfstype=\${usbrootfstype} rootwait | |||
BIOS> setenv usbboot setenv bootargs \${console}\;run addusbargs addipargs\; bootm \${kernel_addr} | |||
... | |||
BIOS> saveenv | |||
</pre> | |||
===Let's go=== | |||
<pre class="apf"> | |||
BIOS> run usbboot | |||
</pre> |
Latest revision as of 18:49, 6 August 2018
Prepare your key
- create a partition on your USB key (supposing it is recognized as /dev/sdb)
$ sudo fdisk /dev/sdb n p 1 <ENTER> <ENTER> w
- format it as ext2:
$ sudo mkfs.ext2 /dev/sdb1
- mount it:
$ sudo mount /dev/sdb1 /media/disk/
- copy rootfs on it:
$ make shell_env $ source armadeus_env.sh $ sudo tar xvf $ARMADEUS_ROOTFS_TAR -C /media/disk/ $ sudo umount /media/disk/
Prepare your kernel
- Linux should be compiled with USB Host driver as static (done by default in current Armadeus configuration). For example on the APF9328:
$ make linux-menuconfig
Device Drivers ---> Armadeus specific drivers ---> <*> isp1761 USB 2.0 Host controller
Set environment variables in U-Boot
BIOS> setenv usbroot /dev/sda1 BIOS> setenv usbrootfstype ext2 BIOS> setenv addusbargs setenv bootargs \${bootargs} root=\${usbroot} rootfstype=\${usbrootfstype} rootwait BIOS> setenv usbboot setenv bootargs \${console}\;run addusbargs addipargs\; bootm \${kernel_addr} ... BIOS> saveenv
Let's go
BIOS> run usbboot