Differences
This shows you the differences between two versions of the page.
Both sides previous revision Previous revision Next revision | Previous revision | ||
en:c2_adjust_ddrclk [2017/06/30 11:15] odroid [2. Update Guide (1) for Ubuntu] |
en:c2_adjust_ddrclk [2017/07/06 16:18] (current) codewalker [3. Update Guide (2) for Android] |
||
---|---|---|---|
Line 116: | Line 116: | ||
This section is for Android. | This section is for Android. | ||
- | First, download **c2_update_ddrclk_android.sh** as following. | ||
- | Run **Terminal Emulator** application on your C2 board. | + | Run Browser and open https://dn.odroid.com/S905/BootLoader/ODROID-C2/ |
- | <code> | + | |
- | # su | + | |
- | # mount -o rw,remount / | + | |
- | # wget http://dn.odroid.com/S905/BootLoader/ODROID-C2/c2_update_ddrclk_android.sh | + | |
- | $ chmod 755 ./c2_update_ddrclk_android.sh | + | |
- | </code> | + | |
- | The usage of c2_update_ddrclk_android.sh is as following. | + | {{:en:screenshot_20170630-135248.png?nolink|}} |
- | <code> | + | |
- | Usage : ./c2_update_ddrclk_android.sh < DDR_CLK (1104 | 912 | 792 | 408) > | + | |
- | </code> | + | |
- | After updating, you must run **reboot** the system. | + | Download files. |
- | <code> | + | updatepackage-odroidc2-ddr-408.zip |
- | $ ./c2_update_ddrclk_android.sh 1104 | + | |
- | $ reboot | + | |
- | </code> | + | |
- | == c2_update_ddrclk_android.sh == | + | updatepackage-odroidc2-ddr-792.zip |
- | Here is the script, c2_update_ddrclk_android.sh. | + | |
- | <file sh c2_update_ddrclk_android.sh> | + | |
- | #!/bin/sh | + | |
- | # | + | |
- | # Copyright (C) 2016 Hardkernel Co,. Ltd | + | |
- | # Joy Cho <joy.cho@hardkernel.com> | + | |
- | # | + | |
- | # SPDX-License-Identifier: GPL-2.0+ | + | |
- | # | + | |
- | # update ddr clock for Android | + | |
- | # | + | |
- | if [ -z $1 ]; then | + | updatepackage-odroidc2-ddr-912.zip |
- | echo "Usage ./c2_update_ddrclk_android.sh <DDR_CLK (1104 | 912 | 792 | 408)>" | + | |
- | exit 1 | + | |
- | fi | + | |
- | if [ $1 != 1104 -a $1 != 912 -a $1 != 792 -a $1 != 408 ]; then | + | updatepackage-odroidc2-ddr-1104.zip |
- | echo "Wrong DDRCLK! Usage ./c2_update_ddrclk_android.sh <DDR_CLK (1104 | 912 | 792 | 408)>" | + | |
- | exit 1 | + | |
- | fi | + | |
- | DDRCLK=$1 | + | Run ODROID Utility app. |
+ | Click menu and Select "Package install from storage" | ||
- | bl1=/bl1.bin.hardkernel.$DDRCLK | + | {{:en:screenshot_20170630-134124.png?nolink|}} |
- | tmp=/temp.bin | + | |
- | ##### 1. check the current DDR clock #### | + | Select "File Manager" -> "Download" folder |
- | dd if=/dev/block/mmcblk0 of=$tmp bs=1 count=2 skip=43530 | + | |
- | CUR_DDRCLK=$(hexdump -e '"%d"' $tmp) | + | |
- | if [ $DDRCLK -eq $CUR_DDRCLK ]; then | + | {{:en:screenshot_20170630-134134.png?nolink|}} |
- | echo "current ddr clk is already set as $DDRCLK MHz" | + | |
- | exit 1 | + | |
- | fi | + | |
- | echo "existing DDR clk is $CUR_DDRCLK" | + | Select updatepackage-odroidc2-ddr-xxx.zip wanted DDR clock. |
- | ##### 2. download bl1 binary from dn server #### | + | {{:en:screenshot_20170630-134141.png?nolink|}} |
- | wget http://dn.odroid.com/S905/BootLoader/ODROID-C2/bl1.bin.hardkernel.$DDRCLK | + | |
- | if [ ! -f $bl1 ];then | + | |
- | echo "error: bl1 binary doesn't exist" | + | |
- | exit 1 | + | |
- | fi | + | |
- | dd if=$bl1 of=/dev/block/mmcblk0 bs=1 count=442 | + | Process "recovery" |
- | dd if=$bl1 of=/dev/block/mmcblk0 bs=512 skip=1 seek=1 | + | |
- | echo "Update done!" | + | {{:en:screenshot_20170630-135845.png?nolink|}} |
- | ##### 3. check the updated DDR clock #### | + | current DDR clock. |
- | echo "Now let's check if update has been completed..." | + | |
- | dd if=/dev/block/mmcblk0 of=$tmp bs=1 count=2 skip=43530 | + | {{:en:screenshot_20170706-073355.png?nolink|}} |
- | CUR_DDRCLK=$(hexdump -e '"%d"' $tmp) | ||
- | echo "updated DDR clk is $CUR_DDRCLK" | ||
- | |||
- | if [ $DDRCLK != $CUR_DDRCLK ]; then | ||
- | echo "updating DDR clock FAIL!!! Expected : $DDRCLK, Updated : $CUR_DDRCLK" | ||
- | else | ||
- | echo "updating DDR clock has been completed!!!" | ||
- | fi | ||
- | |||
- | rm $bl1 | ||
- | rm $tmp | ||
- | </file> | ||
==== 4. How to confirm bl1 boot with the new DDR clock has been updated well ==== | ==== 4. How to confirm bl1 boot with the new DDR clock has been updated well ==== | ||