VAR-SOM-SD600 fastboot: Difference between revisions

Latest revision as of 15:20, 30 April 2014

General information

Boot sequence and partition table consist of:

Qualcomm's proprietary bootloaders (SBLs). Reside in the first partitions
LK bootloader (fastboot)
Kernel
Android FS

Note: Bad installation of either SBLs or LK bootloader (fastboot), will result in sending SOM back to Variscite for an RMA procedure.

Pre-built package

- boot.img: Linux Kernel + Ramdisk boot
- cache.img: Android Cache partition
- emmc_appsboot.mbn: Fastboot bootloader
- flashall.sh: A script to flash images over fastboot
- persist.img: Android persist partition
- recovery.img: Recovery image
- system.img: Android system partition
- userdata.img: Android data partition

Flashing pre-built binaries to eMMC flash-storage

Execute the fastboot script

$cd /path to prebuilt imagages folder
$sudo ./flashall

The following should be displayed on ubuntu host:

"waiting for device"

Connect device to PC:

Press and hold the fastboot button
Power up the device, or press the reset button
Connect the OTG cable to PC

The following should be displayed on the host Ubuntu:

The following should be displayed on ubuntu host:

"connected"

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-Variscite provides a recovery SD-card image that can be used to install the pre-built U-Boot, Linux kernel and the UBI file system into the Nand-Flash This SD card image includes a script (nand-recovery.sh) that installs all the boot images and root file-system.
+== General information ==
+Boot sequence and partition table consist of:
+#Qualcomm's proprietary bootloaders (SBLs). Reside in the first partitions
+#LK bootloader (fastboot)
+#Kernel
+#Android FS
+<span style="color:#ff0000;">Note</span>: Bad installation of either SBLs or LK bootloader (fastboot), will result in sending SOM back to Variscite for an RMA procedure.
+== Pre-built package ==
-== Preparing rescue SD-Card: ==
+ - boot.img: Linux Kernel + Ramdisk boot
+ - cache.img: Android Cache partition
+ - emmc_appsboot.mbn: Fastboot bootloader
+ - flashall.sh: A script to flash images over fastboot
+ - persist.img: Android persist partition
+ - recovery.img: Recovery image
+ - system.img: Android system partition
+ - userdata.img: Android data partition
-*Plug-in the supplied SD card to your Linux machine, run dmesg and see which device is added (i.e. /dev/sdX or /dev/mmcblk0)
+== Flashing pre-built binaries to eMMC flash-storage ==
-*Download mx6qd-som-nand-recovery-sd.v23.img.gz (or latest which is available on Variscite's FTP)
-*For the Dual lite download mx6dl-som-nand-recovery-sd.v23.img.gz
+Execute the fastboot script
-*For the Solo download mx6solo-som-nand-recovery-sd.v23.img.gz
+<pre>$cd /path to prebuilt imagages folder
-<pre>$ gunzip mx6qd-som-nand-recovery-sd.v23.img.gz
+$sudo ./flashall
-$ sudo dd if=mx6qd-som-nand-recovery-sd.v23.img of=/dev/sdX bs=128k
 </pre>
-== Recover Nand Flash: ==
+<br/>The following should be displayed on ubuntu host:
-*Insert the SD card into the SD/MMC slot of the custom board
-*Press and hold the boot-select button, power-off and power-on the board
-*The board will automatically boot into Linux from SD-Card
-=== Flash from GUI ===
-[[File:Desktop1.png]]
-*Press the right arrow on the upper right corner to change the desktop into Utilities.
+<pre>"waiting for device"
+</pre>
+Connect device to PC:
-[[File:Desktop2.png]]
+*Press and hold the fastboot button
+*Power up the device, or press the reset button
+*Connect the OTG cable to PC
-*Push FlashAndroid or FlashYocto icon.
-=== Flash from command line ===
+The following should be displayed on the host Ubuntu:
-*Login as root (no password)
+<br/>The following should be displayed on ubuntu host:
-*From Linux command line, type: "nand-recovery.sh" (This will install Yocto/Linux on the NAND)
+<br/><br/><br/><br/><br/><pre>"connected"
-*To install Android type: "nand-recovery.sh -o Android".
+</pre><br/><br/> <br/><br/><br/><br/><br/> <br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/> <br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/> <br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/>
-*Reboot and Unplug the SD card