• For the Uboot compile HowTo and update Howto, refer below link. It is shared with ODROID-T/S/7 wiki
  UBoot_Compile&Update_HowTo
  
  

• For the cross compiler(tool-chain) installation, refer to the below link.
  UBoot_Compile_HowTo
  
  

# make ARCH=arm CROSS_COMPILE=arm-none-eabi-

# make ARCH=arm CROSS_COMPILE=arm-none-eabi-

• Use Windows utility fastboot.exe and USB driver. You can get the fastboot.exe from Android Developers and USB driver from this link and uncompress it.

OK

U-Boot 2010.03-svn ( 4?? 05 2011 - 21:19:18) for HKDKC210 Android

	APLL = 1000MHz, MPLL = 800MHz
PMIC:	
Board:	hkdkc210
EVT1 POP_B
DRAM:	 1 GB
OneNAND:  0 kB
MMC:   	3884 MB
*** Warning - using default environment

In:    serial
Out:   serial
Err:   serial


Checking Boot Mode ... SDMMC
board_late_init
Hit any key to stop autoboot:  1 
HKDKC210 # 

HKDKC210 # fastboot
[Partition table on MoviNAND]
ptn 0 name='bootloader' start=0x0 len=N/A (use hard-coded info. (cmd: movi))
ptn 1 name='kernel' start=N/A len=N/A (use hard-coded info. (cmd: movi))
ptn 2 name='ramdisk' start=N/A len=0x300000(~3072KB) (use hard-coded info. (cmd: movi))
ptn 3 name='system' start=0xF70800 len=0x10678800(~268770KB) 
ptn 4 name='userdata' start=0x115E9000 len=0x402B9400(~1051365KB) 
ptn 5 name='cache' start=0x518A2400 len=0x833C400(~134385KB) 
ptn 6 name='fat' start=0x59BDE800 len=0x91E88400(~2390561KB) 
Insert a OTG cable into the connector!

Windows(Start) --> Run --> input "cmd" --> Enter

Microsoft Windows [Version 6.1.7600]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.

C:\Users\neal>echo %PATH%
C:\Program Files\Common Files\Microsoft Shared\Windows Live;C:\Windows\system32;
C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;
C:\Program Files\Windows Live\Shared;C:\Program Files\Altium Designer Summer 09\
System;C:\Program Files\OpenSSH\bin;C:\Program Files\SlikSvn\bin\;C:\Program Fil
es\Android\android-sdk\tools

C:\Users\neal>

C:\project\Odroid-a\RawImage>fastboot flash kernel zImage
sending 'kernel' (3231 KB)...
OKAY [  0.478s]
writing 'kernel'...
OKAY [  0.792s]
finished. total time: 1.270s

C:\project\Odroid-a\RawImage>

Note : zImage is your KERNEL image file that will be write to your Odroid-A

Received 17 bytes: download:00327c54
Starting download of 3308628 bytes
...
downloading of 3308628 bytes finished
Received 12 bytes: flash:kernel
flashing 'kernel'
writing kernel.. 1089, 8192 
MMC write: dev # 0, block # 1089, count 8192 ... .8192 blocks written: OK
completed
partition 'kernel' flashed

C:\project\Odroid-a\RawImage>fastboot flash ramdisk ramdisk-uboot.img
Note : ramdisk-uboot is your ramdisk image file that will be write to your Odroid-A

• To execute fastboot, you need to install libusb.
  
  

$ sudo apt-get install libusb-dev

OK                                                   
                                                     
U-Boot 2010.03-svn ( 3� 28 2011 - 15:44:25) for HKDKC210 Android

        APLL = 1000MHz, MPLL = 800MHz
PMIC:
Board:  hkdkc210
EVT1 POP_B
DRAM:    1 GB
OneNAND:  0 kB
MMC:    3884 MB
*** Warning - using default environment

In:    serial
Out:   serial                                                                   
Err:   serial                                                                   
                                                                                
                                                                                
Checking Boot Mode ... SDMMC                                                    
board_late_init                                                                 
Hit any key to stop autoboot:  0                                                
HKDKC210 #

HKDKC210 # fastboot                                                             
[Partition table on MoviNAND]                                                   
ptn 0 name='bootloader' start=0x0 len=N/A (use hard-coded info. (cmd: movi))    
ptn 1 name='kernel' start=N/A len=N/A (use hard-coded info. (cmd: movi))        
ptn 2 name='ramdisk' start=N/A len=0x300000(~3072KB) (use hard-coded info. (cmd)
ptn 3 name='system' start=0xF70800 len=0x10678800(~268770KB)                    
ptn 4 name='userdata' start=0x115E9000 len=0x402B9400(~1051365KB)               
ptn 5 name='cache' start=0x518A2400 len=0x833C400(~134385KB)                    
ptn 6 name='fat' start=0x59BDE800 len=0x91E88400(~2390561KB)                    
Insert a OTG cable into the connector! 

$ lsusb
Bus 007 Device 002: ID 0566:4002 Monterey International Corp. 
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 003: ID 04fe:0006 PFU, Ltd 
Bus 005 Device 002: ID 04fe:0008 PFU, Ltd 
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 002: ID 0403:6001 Future Technology Devices International, 
Ltd FT232 USB-Serial (UART) IC
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 004: ID 18d1:0002 Google Inc. <=== OK!!!
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
$

$ sudo /home/neal/bin/fastboot flash kernel zImage 

Note : zImage is your KERNEL image file that will be write 
to your Odroid-A

$ sudo /home/neal/bin/fastboot flash kernel arch/arm/boot/zImage 
    sending 'kernel' (3231 KB)... OKAY [  0.478s]
              writing 'kernel'... OKAY [  0.792s]
finished. total time: 1.270s
$ 

HKDKC210 # fastboot                                                             
[Partition table on MoviNAND]                                                   
ptn 0 name='bootloader' start=0x0 len=N/A (use hard-coded info. (cmd: movi))    
ptn 1 name='kernel' start=N/A len=N/A (use hard-coded info. (cmd: movi))        
ptn 2 name='ramdisk' start=N/A len=0x300000(~3072KB) (use hard-coded info. (cmd)
ptn 3 name='system' start=0xF70800 len=0x10678800(~268770KB)                    
ptn 4 name='userdata' start=0x115E9000 len=0x402B9400(~1051365KB)               
ptn 5 name='cache' start=0x518A2400 len=0x833C400(~134385KB)                    
ptn 6 name='fat' start=0x59BDE800 len=0x91E88400(~2390561KB)                    
Received 17 bytes: download:00327c54                                            
Starting download of 3308628 bytes                                              
...                                                                             
downloading of 3308628 bytes finished                                           
Received 12 bytes: flash:kernel                                                 
flashing 'kernel'                                                               
writing kernel.. 1089, 8192                                                     
MMC write: dev # 0, block # 1089, count 8192 ... .8192 blocks written: OK       
completed                                                                       
partition 'kernel' flashed
 

$ sudo /home/neal/bin/fastboot flash ramdisk ramdisk-uboot.img

Note : ramdisk-uboot.img is your RAMDISK image file that will be write 
to your Odroid-A

$ sudo /home/neal/bin/fastboot reboot

Note: But this version can not reboot. 
We recommend that input "Ctrl + c", after input command "boot" will be process to booting

• http://source.android.com/source/download.html
• http://groups.google.co.kr/group/odroid-developer-discuss
• http://odroid.foros-phpbb.com/forum.htm
• http://www.hardkernel.com