path: root/src
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authorSamuli Piippo <>2014-11-03 13:52:55 +0200
committerSamuli Piippo <>2014-11-06 14:35:13 +0200
commitc428253ed91fa62c4ccb1ae676f58a4ba9821ca7 (patch)
treed345fad19f922cd4db489691132b3fc45e8e2e7b /src
parent8d864a9ad49d3cd885a8c362414431368a16ca8d (diff)
Diffstat (limited to 'src')
1 files changed, 16 insertions, 5 deletions
diff --git a/src/doc/src/devices/qtee-toradex-apalis.qdoc b/src/doc/src/devices/qtee-toradex-apalis.qdoc
index 3c583f5..ad09024 100644
--- a/src/doc/src/devices/qtee-toradex-apalis.qdoc
+++ b/src/doc/src/devices/qtee-toradex-apalis.qdoc
@@ -53,17 +53,28 @@
By default, the Toradex Apalis iMX6 boots from its internal eMMC. In order to boot from
- the external SD card, the U-Boot environment needs to be updated. Connect a serial cable
+ the external SD card, the U-Boot needs to be updated. Connect a serial cable
to the device and enter into the U-Boot environment by pressing any key before the autoboot.
- Enter following lines into U-Boot:
+ Enter following commands into U-Boot:
- setenv bootcmd 'run sdboot ; echo sdboot failed ; run emmcboot ; echo ; echo emmcboot failed ; run nfsboot ; echo ; echo nfsboot failed ; usb start ;setenv stdout serial,vga ; setenv stdin serial,usbkbd'
- setenv sdboot 'run setup; setenv bootargs ${defargs} ${sdargs} ${setupargs} ${vidargs};echo Booting from SD card in 4bit slot...; fatload mmc 2:1 10800000 uImage && bootm 10800000'
- setenv sdargs 'ip=off root=/dev/mmcblk1p2 rw,noatime rootfstype=ext3 rootwait'
+ setenv drive 2
+ setenv setupdate 'fatload mmc ${drive}:1 ${loadaddr} flash_mmc.img; source'
+ run setupdate
+ run update_uboot
+ \endcode
+ Reset or power cycle the device to start the new U-Boot.
+ To reset the U-Boot environment to new default values, enter the following commands
+ in the U-Boot command line
+ \badcode
+ env default -a
New U-Boot command are now stored into the device, and you can start \B2Q. For more information
about the boot process on Toredex Apalis iMX6, see
\l{}{Toradex Linux Booting}