Cortex-A5 System on Module Software user manual - Linux
Contents
1. Select the connection USBserial COM2 Select your board at91 sama5d3x ek JLink speed default JLink TimeoutMultiplier 0 fo E IT Customize lowlevel Connect Exit Figure 5 SAM BA connecting screen 8 AT 501 SW user manual 1 1 ACCEL FRONTLINE FP T VITEGCH GLOBAL I SERVICES The virtual COM port number COM2 may vary from PC to PC Click Connect button and it will open a window Enable the NAND flash by sliding the DIP switch back to off 1 3 2 Bootstrap and U boot installation steps The following paragraph describes the download procedure for the following components e Boot e U boot 1 3 2 1 Boot file download procedure 1 Choose the NandFlash media tab in the SAM BA GUI 2 Initialize the media choosing the Enable NandFlash action in the Scripts rolling menu and press Execute 3 Select Send Boot File in the Scripts rolling menu and press Execute Then select the boot file and press Open the media is written down 1 3 2 2 U boot file download procedure To download the U boot to the NAND flash the following steps should be done 1 Choose the NandFlash media tab in the SAM BA GUI 2 Initialize the media choosing the Enable NandFlash action in the Scripts rolling menu and press Execute 3 Select Enable OS PMECC parameters in the Scripts rolling menu and press Execute The default ECC Configuration should be ok so you should have this pop up appearing Ecc type pmecc software ecc no ecc P2. make CROSS_COMPILE usr local arm gcc linaro arm linux gnueabihf 2012 07 20120720_linux bin arm linux gnueabihf at91sama5ek_nandflash_config gt NAND FLASH make CROSS_COMPILE usr local arm gcc linaro arm linux gnueabihf 2012 07 20120720_linux bin arm linux gnueabihf e The result of this operation is a fresh u boot binary called u boot bin 2 1 4 Cross Compiling Linux Kernel 3 6 9 The following steps will lead you how to cross compilation a Linux Kernel e Set the arm cross compilation environment as per the steps in section 6 1 e Download the Linux kernel source e Extract the source with tar xvjf linux 3 6 9 tar bz2 e cd linux 3 6 9 e Firstly use the default kernel configuration make ARCH arm CROSS_COMPILE usr local arm gcc linaro arm linux gnueabihf 2012 07 20120720_linux bin arm linux gnueabihf sama5d3_defconfig e Then you can customize the kernel configuration with the following steps make ARCH arm CROSS_COMPILE usr local arm gcc linaro arm linux gnueabihf 2012 07 20120720_linux bin arm linux gnueabihf and make the below changes e Enable ext2 ext3 and ext4 in File System e Select the required features if any needed e vi config and enable EXT2 EXT3 and EXT4 if not enabled eg CONFIG_EXT4_FS y 18 AT 501 SW user manual 1 1 ACCEL FRONTLINE GZ GLOBAL I SERVICES e Build the device tree binary file according to your board For instance for sama5d34ek make ARCH arm CROSS_COMPILE usr
3. 2 File system tuning steps only for booting from NAND FLASH 23 2 2 1 Modifying Post login message 23 2 2 2 Modifying pre login message 24 2 2 3 Creating users and D ssworde 25 2 2 4 bashre file e 26 2 2 5 NandflaS MiNt O ass ceisczisessnctececans catesieestiaseteatibeveostesscauaiceesvup nsead e a aR aE EAA AN aE ia 26 2 2 6 COUM O BEE 27 2 2 7 BO ARCO DEE 27 2 3 Running User Applications on ShiraTech Board 28 2 3 1 Cross COMPILING C CODE seiere aaaeeeaa a Eae aA eE EEEE TRAET EAEE ATENE rE ERE 28 2 3 2 Cross compiling Java COC ugeet Oe Ee EENEG AEN NENG EEN 28 3 CB 20 Carrier board description sicir itaenea dianae E EE A Aaa Eee 30 3 1 BE A ege E A E E E SE E E T E AN 30 3 2 CB20 interfaces Ee Le TE 31 3 3 Interrupt amp I O Table siioni isi e etnia aa aaa ia aae aaaea iE 32 3 AT 501 SW user manual 1 1 ACCEL FRONTLINE I T VITECH GLOBAL I T SERVICES 3 4 JUMP E 33 Document Revision History Revision Date Description 1 0 26 6 2013 Initial version 1 1 2011 06 11 Update document to support hardware version 2 0 of the CB 20 4 AT 501 SW user manual 1 1 ACCEL FRONTLINE a FYTECH GLOBAL IT SERVICES Overview The software user guide includes 3 parts e Section 2 includes a description of the SW files required and their location in the memory along with an explanation on how to download them to the target device using the tools provided by Atmel e Section 3 describes how to create
4. USB UART CAN LCD AUDIO 27 AT 501 SW user manual 1 1 ACCEL FRONTLINE VYTECH GLOBAL I SERVICES echo RAM size 256 MB echo Flash Size 256 MB echo DataFlash Yes echo NandFlash Yes echo FlashBooting Yes echo SDCard Booting Yes 2 3 Running User Applications on ShiraTech Board The following paragraph explains how a user can compile a C or JAVA coded application 2 3 1 Cross compiling C code Follow the below mentioned steps to cross compile C source code application Follow the steps mentioned in section 3 1 1 Setting Cross Compilation Environment to install the toolchain before compiling the application e Create a sample C program For e g source c Compile the program using arm linux gcc source c o source_output static Then the result will be a binary named source_output Transfer the binary using one of the following options o Using scp transfer the source output binary to the file system scp r source_output root lt shiratech_board_ IPaddress gt root o Using tftp transfer the source output binary to the file system using tftp g r source_output tftp_server_ip e Give execution permission to source_output using chmod x source_output run the binary using source_output 2 3 2 Cross compiling Java code Follow the below mentioned steps to cross compile Java source code application 28 AT 501 SW user ma
5. a configure file will be generated You can customize AT91Bootstrap with make CROSS_COMPILE usr local arm gcc linaro arm linux gnueabihf 2012 07 20120720_linux bin arm linux gnueabihf menuconfig make CROSS _COMPILE usr local arm gcc linaro arm linux gnueabihf 2012 07 20120720_linux bin arm linux gnueabihf e The result of this operation is a new AT91Bootstrap binary located in the binaries directory and called at91sama5d3xek xxxboot uboot 3 4 bin o at91sama5d3xek nandflashboot uboot 3 4 4 bin is the binary file able to boot the application located in NAND FLASH o at91sama5d3xek sdcardboot uboot 3 4 4 bin is the binary file able to boot the application called u boot bin located in the FAT formatted SD card Rename the binary file as boot In for the use in SDcard 2 1 3 Cross Compiling u boot The following steps will lead you how to cross compilation a U boot e Set the arm cross compilation environment as per the steps in section 6 1 e Download the u boot source 17 AT 501 SW user manual 1 1 ACCEL FRONTLINE a FITECH GLOBAL I T SERVICES e Extract the source with tar xvjf u boot v2012 10 sama5d3_M5 tgz e cd u boot v2012 10 sama5d3_ M5 e Before building U Boot you have to configure it for 5series boards and to indicate where you want to store the environment make CROSS_COMPILE usr local arm gcc linaro arm linux gnueabihf 2012 07 20120720_linux bin arm linux gnueabihf at91sama5ek_sdcard_config gt SDCARD
6. local arm gcc linaro arm linux gnueabihf 2012 07 20120720_linux bin arm linux gnueabihf sama5d34ek dtb The result of these operations is a fresh kernel image and a device tree binary file in arch arm boot directory called respectively ulmage and sama5d34ek dtb 2 1 5 Building Debian file system using Multistrap The following steps will lead you how to cross compilation a Debian file system e Install Debian Ubuntu latest version in your PC e Run apt get update e Install Qemu for arm sudo apt get install qemu user static e Install multistrap sudo apt get install multistrap e create a multistrap configuration file as follows multistrap conf General arch armel directory multistrap unpack true noauth true debootstrap Grip Networking Debian aptsources Debian Grip packages nano source http www emdebian org grip keyring emdebian archive keyring suite squeeze Debian packages source http ftp debian org debian keyring debian archive keyring suite squeeze Networking packages net tools dhcp3 client ethtool 19 AT 501 SW user manual 1 1 ACCEL FRONTLINE IST SC GLOBAL I T SERVICES source http www emdebian org grip keyring emdebian archive keyring suite squeeze e Run the command multistrap f path_to_multistrap conf e Run cp usr bin qemu arm static multistrap usr bin e chroot multistrap e dpkg configure a e Create a mul
7. 0000 u boot gt nand write 0x22000000 0x200000 0x250000 size of the file this value can be taken for the results of the TFTP action e Configure the booting arguments u boot gt setenv bootcmd nand read 0Ox21000000 0x180000 Ox50E1 nand read 0x22000000 0x200000 0x26A1A8 bootm 0x22000000 0x21000000 Note In the Shiratech U boot version this parameter is already defined 12 AT 501 SW user manual 1 1 ACCEL FRONTLINE a FYTECH GLOBAL I T SERVICES u boot gt saveenv e Boot the Linux kernel using following command u boot gt boot After boot it will show error proper file system couldn t be mounted since the file system was not installed DEBIAN FILE SYSTEM Installation To install the Debian file system follow the following steps e Put the compressed file system image rootfs ubi in tftpboot folder of host PC the file name should be the valid file used The following steps are used to install Debian file system from boot loader prompt u boot gt tftp 0x22000000 rootfs ubi u boot gt nand erase 0x800000 0xf800000 u boot gt nand write trimffs 0x22000000 0x800000 0x3860000 size of the file con be view in the results of the TFTP download give the file size in bytes Reboot the board After reboot you will get a Linux login prompt 1 3 3 2 Installation via SAM BA For downloading the Kernel device tree and file system via the SAM BA follow the steps detailed in 2 2 1 for connecting the SAM BA then 1 Choose the Na
8. AT 501 Cortex A5 System on Module Software user manual Linux Revision 1 1 ACCEL FRONTLINE T VITECH GLOBAL IT SERVICES 2 AT 501 SW user manual 1 1 ACCEL FRONTLINE F ITECH GLOBAL I SERVICES Table of Contents 1 Linux SW overview and installation guide 0 ccccscccececessssesseeeceeecesscsesaeaeeeescusseseaaeseceeecssseseaeaeeseeens 5 1 1 UNUK OVO OW ege eebe eege Eege 5 1 2 Supported LINUX VENSION is ssecdivvescestuscdee cca secessvasghea caxyecdeseavecea sadsced eaatsdcacadyecdeseusedeesaaveeecsausdbedaamaces 7 1 3 SW Installation Ste DS sieren reee ea EE EEE E sede vvseeanedeeduvesevssdeeeteheagsasbageere 7 1 3 1 SAM BA Introduction 0 ceeeesseeeeececeeeeeeaeeeeaaeceeeeeceaeeeeaaeceeaeeseeeeecsaeeeeaaeeeeaeeceaeeesaaeeeeaaeseeees 7 1 3 2 Bootstrap and U boot installation steps 9 1 3 3 Linux Kernel device tree and File system installation ccccccccscssssscecececessesssaeeeeeeeseesees 11 1 3 4 Using SD CARD en deugeegedeeer degen eege dE seneeagbdeyeesie agoni irait ddaa dee Gees 15 2 SW version creation and modification 16 2 1 Cross COMPILATION NEE 16 2 1 1 Setting Cross Compilation Environment 16 2 1 2 Cross Comipiling BOOUStr ap stoir iiien ai a aae e e AEN 16 2 1 3 Cross Compiling UDO Ot ssie eie a a a E a E e eee 17 2 1 4 Cross Compiling Linux Kernel 369 18 2 1 5 Building Debian file system using Multistrap ssssssssssssssssesssssrrsssrrrssserrssrenrssrernssreensseeenee 19 2
9. BAL I SERVICES Note When the AT 501 is equipped with both a NAND flash and valid SD card the processor will use the SD card Nand Flash 0x0000 0000 AT91Bootstrap EH 0x0004 0000 U Boot See 0x000C 0000 U Boot Env 0x0010 0000 U Boot Env redundant eens 0x0018 0000 Device Tree dtb ie 0x0020 0000 Linux Kernel ee eee 0x0080 0000 Root FS UBIFS Figure 1 NAND Flash memory mapping 16MB FAT partition ext2 Linux partition boot bin AT91 bootstrap buildroot root filesystem u boot bin U boot ulmage kernel image dtd device tree Figure 2 SD card structure 6 AT 501 SW user manual 1 1 ACCEL FRONTLINE GZ GLOBAL I SERVICES 1 2 Supported Linux version The version delivered by Shiratech is based on the following e Linux Kernel Version 3 6 9 e Linux Filesystem Type DEBIAN Ver 6 0 1 3 SW Installation steps The following steps describes the how to install boot U boot Linux Kernel device tree and Debian file system in to the NAND Flash The boot and U boot will be supplied with the SoM but the following process can be done in case of memory corruption or in case of an upgrade For these cases we offer to use the SAM BA tools supplied by Atmel see paragraph 4 1 Kernel device tree and Debian file system can be installed in one of two possible ways e Via the SAM BA tool e Via TFTP from a host PC The following paragraphs will describe both options In case of using an SD ca
10. SB port C power drive enable 0 Enable 1 Disable Default Table 2 Configured UO and Interrupts 32 AT 501 SW user manual 1 1 ACCEL FRONTLINE VYTECH GLOBAL I SERVICES NOTE More interrupts are available through the SAMASD I O pins and can be configured according to the user application NOTE When an interface is not in use its relevant I O can be used as a general purpose I O 3 4 Jumpers The CB 20 holds several jumpers for various applications JP 1 JTAG enable if open Normal operation JTAG emulator can be connected If closed JTAG mode is enabled JP 2 JP 3 Battery bypass If closed normal operation open Battery support note that it is enough that one of them will be closed for normal operation 33 AT 501 SW user manual 1 1
11. bin getty 38400 tty1 2 23 respawn sbin getty 38400 tty2 3 23 respawn sbin getty 38400 tty3 4 23 respawn sbin getty 38400 tty4 5 23 respawn sbin getty 38400 tty5 6 23 respawn sbin getty 38400 tty6 Example how to put a getty on a serial line for a terminal T0 23 respawn sbin getty L ttySO 115200 vt100 T1 23 respawn sbin getty L ttyS1 9600 vt100 Example how to put a getty on a modem line T3 23 respawn sbin mgetty x0 s 57600 ttyS3 Ialah TECH After booting it will be a Read only File system To make it read write either of the following two steps can be done e Run mount o remount rw to make it usable e Edit multistrap etc fstab and paste the following into it etc fstab proc proc proc defaults 0 0 dev mmcblkOp2 auto errors remount ro O 1 dev mmcblk0p1 boot uboot auto defaults 00 22 AT 501 SW user manual 1 1 ACCEL FRONTLINE a FYTECH GLOBAL I SERVICES 2 2 File system tuning steps only for booting from NAND FLASH The following steps shows how to trim and tune the file system apt get install openjdk 6 jre apt get install sqlite3 apt get install busybox apt get install openssl apt get clean aptitude remove apt rm rf var lib apt rm rf var lib aptitude rm rf var cache apt rm rf usr share 2 2 1 Modifying Post login message Information to be printed just after login is found in etc motd The file var r
12. control none e Enable a TFTP server the host PC e Connect the Ethernet port of the board to the network Debug port RS 232 over a Micro USB connector 10 100 1000 Ethernet port a D t EEE i 11 AT 501 SW user manual 1 1 ACCEL FRONTLINE IST SC GLOBAL I SERVICES Figure 8 Connections for TFTP e Configure the IP address of host IP address of board and Ethernet address of board by using u boot commands as follows The IP addresses can varied according to the setup used u boot gt setenv serverip 10 10 10 10 10 10 10 10 is IP address of host PC u boot gt setenv ipaddr 10 10 10 5 10 10 10 5 will be IP address of board u boot gt setenv ethaddr 12 34 56 78 9a bc 12 34 56 78 9a bc will be the MAC address used u boot gt saveenv Save the parameters in the Flash In order to check the configuration you can use the printenv command Kernel and device tree Installation e Put the file ulmage Kernel and the sama5d34ek dtb device tree on host PC on which TFTP is configured Disable firewall in host pc e Run the following commands from u boot prompt e For the device tree file u boot gt tftp 0x21000000 sama5d34ek dtb u boot gt nand erase 0x180000 Ox1FFFFF u boot gt nand write 0x21000000 0x180000 0x50E1 size of the file this value can be taken for the results of the TFTP action e For the Kernel file ulmage u boot gt tftp 0x22000000 u mage u boot gt nand erase 0x200000 0x60
13. e debug port includes a build in RS 232 to USB converter It can be connected to the PC using the Micro USB to USB cable supplied with the evaluation board The board can be controlled using a hyper terminal application over USB The port should be configured to the following parameters Rate to 115 200 Bps data 8 bits party none stop 1bit and flow control none 2 The USB OTG port can be used for SAM BA connectivity 3 The JTAG interface can be used for connecting the AT91SAM ICE The jumper JP 1 select between JTAG testing 0 or ICE 30 AT 501 SW user manual 1 1 ACCEL FRONTLINE GLOBAL I T SERVICES 3 2 CB20 interfaces mapping a TreECH The CB 20 offers a large variety of interfaces for supporting a large variety of applications The following table provides mapping between the various interfaces and the internal ports of the CPU Note On the PS there is a label for each connector Interface Connector name Processor interface Remarks Debug port J 14 PB 30 PB31 Micro USB Type A B An internal RS232 to USB converter by FTDI USB OTG J 11 HHSDMA HHSDPA USB 2 0 Type A Host Device USB host port 1 J 10 HHSDMB HHSDPB USB 2 0 Type A Host USB host port 2 J 9 HHSDMC HHSDPC USB 2 0 Type A Host Interface from USB HUB HDMI J 8 LCD Interface 19 pins Type A Receptacle Audio interface 1 J 3 Audio Interface Stereo Out Audio interface 2 J 2 Audio Interface S
14. ers logged in 24 AT 501 SW user manual 1 1 ACCEL FRONTLINE fa FYTECH GLOBAL I SERVICES e U Insert the string 1 user or users where is the number of current users logged in e v Insert the version of the OS eg the build date etc 2 2 3 Creating users and passwords Enable user guest The following command enabled a user guest useradd m r s bin bash guest The flag m is used to create the guest user s home directory if it is not existing The flag r is used to create a system account That is a user with a UID lower than the value of UID_MIN defined in etc login defs and whose password does not expire The flag s is used to specify the name of the user s login shell The default is to leave this field blank which causes the system to select the default login shell Note that useradd will not create a home directory for such an user regardless of the default setting in etc login defs You have to specify m option if you want a home directory for a system account to be created Enable password for guest user The following command enabled password for user guest passwd guest Then provide a password for the guest user Verify the file etc passwd to see the following entry guest x 999 999 home guest bin bash Enable password for root user To enable a root password use the command passwd passwd root Then provide a password for the root user verify the file etc passwd to see the
15. following entry root x 0 0 root root bin bash 25 AT 501 SW user manual 1 1 ACCEL FRONTLINE GLOBAL I SERVICES 2 2 4 bashrc file root le ETC ECH configure the network ifconfig ethO down ifconfig ethO 172 16 1 113 ifconfig ethO up route add default gw 172 16 0 1 set the java path export PATH SPATH usr lib jamvm java 1 6 0 openjdk bin usr lib jamvm export JAVA_HOME usr lib jvm java 1 6 0 openjdk start the basic services usr bin ServiceManage usr bin dbinit Manage Basic service usr bin ServiceManage 2 2 5 Nandflashinfo bin bash 26 AT 501 SW user manual 1 1 ACCEL FRONTLINE GLOBAL I SERVICES df h 2 2 6 Cpuinfo Ialah TECH bin bash Command will give the details of the CPU of the board echo Processor ARMv7 Processor rev 1 v71 echo BogoMIPS 262 96 echo Features swp half thumb fastmult vfp edsp vfpv3 vfpv3d16 tls vfpv4 echo CPU implementer 0x41 echo CPU architecture 7 echo CPU variant 0x0 echo CPU part 0xc05 echo CPU revision 1 echo Hardware Atmel SAMAS Device Tree echo Revision 0000 echo Serial 0000000000000000 2 2 7 Boardinfo bin bash Command for displaying the information of the board echo Chipset AT91SAMA5D3x echo Serial Interfaces SPI 12c echo Other Interfaces ETH
16. i sysinit etc init d rcS What to do in single user mode S wait sbin sulogin etc init d executes the S and K scripts upon change of runlevel Runlevel 0 is halt Runlevel 1 is single user Runlevels 2 5 are multi user Runlevel 6 is reboot 10 0 wait etc init d rc 0 1 1 wait etc init d rc 1 2 2 wait etc init d rc 2 13 3 wait etc init d rc 3 14 4 wait etc init d rc 4 15 5 wait etc init d rc 5 16 6 wait etc init d rc 6 Normally not reached but fallthrough in case of emergency 26 6 respawn sbin sulogin What to do when CTRL ALT DEL is pressed ca 12345 ctrlaltdel sbin shutdown t1 a r now Action on special keypress ALT UpArrow kb kbrequest bin echo Keyboard Request edit etc inittab to let this work What to do when the power fails returns pf powerwait etc init d powerfail start pn powerfailnow etc init d powerfail now po powerokwait etc init d powerfail stop sbin getty invocations for the runlevels 21 AT 501 SW user manual 1 1 le ETC ECH ACCEL FRONTLINE GLOBAL I T SERVICES The id field MUST be the same as the last characters of the device after tty Format lt id gt lt runlevels gt lt action gt lt process gt Note that on most Debian systems tty7 is used by the X Window System so if you want to add more getty s go ahead but skip tty7 if you run X 1 2345 respawn s
17. ils on how to create two partitions on the SD http www at91 com linux4sam bin view Linux4SAM SDCardBootNotice 15 AT 501 SW user manual 1 1 ACCEL FRONTLINE FT T VITECH GLOBAL I SERVICES 2 SW version creation and modification The following section describe how to compile the various SW parts how to modify the file system and how to add user applications 2 1 Cross Compilation The following paragraphs describes how build the environment for cross compiling along with instruction on how to cross compile each part of the SW 2 1 1 Setting Cross Compilation Environment The following steps will lead you how to set a cross compilation environment e Download the ARM tool chain arm 2008q1 126 arm none linux gnueabi i686 pc linux gnu tar bz2 to present directory see link below https launchpad net linaro toolchain binaries milestone 2012 07 e mkdir usr local arm e cp gcc linaro arm linux gnueabihf 2012 07 20120720_linux tar bz2 usr local arm e cd usr local arm e tar jxf gcc linaro arm linux gnueabihf 2012 07 20120720_linux tar bz2 e Set the following variables in your shell environment export PATH usr local arm gcc linaro arm linux gnueabihf 2012 07 20120720_linux bin S PATH export CROSS_COMPILE arm linux gnueabihf export ARCH arm Now the cross compilation environment is ready 2 1 2 Cross Compiling Bootstrap AT91Bootstrap does some minimal initialization of SDRAM and cloc
18. k Then it will check the presence of boot loader u boot Boot loader will initialize UART serial and Ethernet Then u boot will check the presence of Linux kernel image If it is present u boot will load it from flash to DDR and starts execution If Linux kernel image is not present u boot prompt will be shown e g u boot gt The U boot provides a rich set of commands to get hardware information downloading images to memory writing images to flash etc 16 AT 501 SW user manual 1 1 ACCEL FRONTLINE a FITECH GLOBAL I T SERVICES The Linux kernel will start execution and it will load all device drivers Then Linux kernel will search for a root file system in compressed format on flash The file system used here is based on Debian The following steps will lead you how to cross compilation a Bootstarp e Set the cross compilation environment as per the steps in section 6 1 e Download the bootstrap source code tar xvzf AT91Bootstrap v3 4 4 tgz e Before building Bootstrap you have to configure it for 5series boards and to indicate where you want to store the environment cd AT91Bootstrap v3 4 4 make CROSS_COMPILE usr local arm gcc linaro arm linux gnueabihf 2012 07 20120720_linux bin arm linux gnueabihf at91sama5d3xeknf_uboot_defconfig gt for NAND FLASH make CROSS_COMPILE usr local arm gcc linaro arm linux gnueabihf 2012 07 20120720_linux bin arm linux gnueabihf at91sama5d3xeksd_uboot_defconfig gt for SDCard e Then
19. mecc boot header configuration Number of sectors per page 4 X Spare size 64 Number of ECC bits required 2 X Size of the ECC sector 512 1024 Ecc offset 48 Trimffs OK Cancel Figure 6 SAM BA ECC configuration screen 9 AT 501 SW user manual 1 1 ACCEL FRONTLINE a l FYTECH SERVICES Select the right configuration and press the OK button 4 To erase only the U Boot part into the NAND FLASH type this command after the SAM BA prompt NANDFLASH EraseBlocks 0x40000 OxBFFFF Then press the Enter Key Note The SAM BA EraseBlocks command take two parameters a start and an end address of FLASH that you want to erase 5 Press Send File Name Browse button and choose your U Boot binary file 6 Enter the proper address on media in the Address text field Its value should be 0x40000 7 Press Send File button Close SAM BA remove the USB cable and restart the device Once the boot and U boot files are installed power up the board You will get the Boot loader prompt U boot gt See also the picture below for the exact steps required SAM BA CDC 2 12 at91sama5Sd3x ek File Script File Help at91lsama5d3x Memory Display Start Address 0x300000 Refresh OsPlay format Applet traces on DBGU Size in byte s 0x100 SS ascii C 8 bit C 16 bit 32 bit KS Apply 0x00300000 0 FFFF 0 D 0x00300010 F 0x00300020 D DDRAM DataFlash AT45DB DCB EEPROM AT24 NandF NorFlash OTP One
20. modify and compile the various parts of the SW e Section 4 describes the CB 20 evaluation board providing details on the available ports and a hardware software guide 1 Linux SW overview and installation guide 1 1 Linux overview Linux firmware required for operating the AT 501 consists of following parts 1 Boot Program located in the internal ROM of the processor it checks if a valid bootstrap is present in FLASH SD card or other valid sources and in case it find it the bootstrap is downloaded it into internal SRAM 2 AT91Bootstrap In charge of hardware configuration download U Boot binary from FLASH to SDRAM start the boot loader 3 U Boot The boot loader in charge of download kernel binaries from FLASH network USB key etc and for starting the kernel 4 Linux kernel The operating system kernel 5 Device tree The Device Tree is a binary file containing the description of the SoC and the board 6 Root File system Contains applications which are executed on the target using the OS kernel services The Linux SW can be located in the NAND flash or alternatively in an SD card If located in the NAND flash it will be located as described in figure 1 If an SD card is used it should be divided to two partitions A FAT partition for Boot U boot Kernel and device tree and an additional ext2 partition for Linux file system see figure 2 5 AT 501 SW user manual 1 1 ACCEL FRONTLINE fa ll FVTECH GLO
21. ndFlash media tab in the SAM BA GUI 2 Initialize the media choosing the Enable NandFlash action in the Scripts rolling menu and press Execute 3 Select Enable OS PMECC parameters in the Scripts rolling menu and press Execute The default ECC configuration should be ok Then press the OK button e To download the Kernel image 1 To erase only the kernel image into the NAND flash type this command after the SAM BA prompt NANDFLASH EraseBlocks 0x200000 0x600000 2 Enter the proper address on media in the Address text field The value for the kernel image is 0x200000 3 Press Send File Name browse button and choose your kernel image 4 Press Send File button 13 AT 501 SW user manual 1 1 ACCEL FRONTLINE a FYTECH GLOBAL I T SERVICES e For download the device tree file 1 To erase only the device tree into the NAND flash type this command after the SAM BA prompt NANDFLASH EraseBlocks 0x180000 Ox1FFFFF 2 Enter the proper address in the Address text field The value for the device tree is 0x180000 3 Press Send File Name browse button and choose your device tree binary file 4 Press Send File button e For download the file system 1 To erase only the NAND flash rootfs partition type this command after the SAM BA prompt NANDFLASH EraseBlocks 0x800000 OxFFFFFFF 2 Press Send File Name browse button and choose your UBI file system 3 Enter the proper address on media in the Address text field The value for the file system i
22. nual 1 1 ACCEL FRONTLINE GZ GLOBAL I SERVICES For compiling java applications we need java jdk version 1 6 0_24 in Ubuntu Linux machine Install java jdk version 1 6 0_24 using below command sudo apt get install openjdk 6 jdk Use java version command to get the current jdk version Compile the java application using javac Source_name java The result of the above command will get like Source_name class There are two options to transfer the application Using scp r source_output root lt shiratech_board_IPaddress gt root e Using tftp g r Source name dass tftp_server_ip run java application using java Source_name 29 AT 501 SW user manual 1 1 ACCEL FRONTLINE lall ITECH GLOBAL I SERVICES 3 CB 20 Carrier board description 3 1 Overview The CB 20 is a fully featured development and carrier board for ShiraTech s AT 501 and AT 901 system on modules The board is used by software developer as a development platform with all relevant peripherals for simulating the target product functionalities It can also be used as a reference design for hardware teams or as a ready for use control and display unit to be integrated in commercial products Debug USB host Audio port Ports interface NENF Ka WI la le p 4i 1G Ethernet Push buttons Extender Inn JTAG interface Figure 1 CB 20 interfaces Notes 1 Th
23. rd the boot U boot and Linux Kernel and device tree files should be copied to the FAT 16 or 32 part of the SD while the file system should be placed in the ext2 part see figure 2 1 3 1 SAM BA Introduction ATMEL provides a software tool called SAM BA to burn the boot loader in Flash memory along with other initialization services To start the SAM BA you should download the Software from ATMEL website from the following link http www atmel com tools ATMELSAM BAIN SYSTEMPROGRAMMER aspx Note the version should be SAM BA 2 12 Patch 2a or higher for proper operation Connecting the SAM BA Connect the USB cable to the Micro USB USB A port of the board See port location in the picture below Additionally by connecting the Debug port debug massages of the SAM BA can be viewed using a hyper terminal application 7 AT 501 SW user manual 1 1 ACCEL FRONTLINE FT VYTECH GLOBAL SERVICES USB A Micro USB connector Figure 3 Micro USB port for SAM BA Disabling the NAND If the NAND flash contains a valid BOOT it should be disabled during power up in order to enable the operation of the SAM BA Disabling the NAND is done pressing the NAND disable button during power up Once the system is up the SAM BA can be activated If you are using an SD it should be plugged out NAND disabling during power up for SAM BA Figure 4 NAND disable DIP switch Double click on SAM BA and it will open the following window
24. s Ox800000 4 Press Send File button Wait for the end of the flashing process 5 Close SAM BA remove the USB cable 6 Restart the system and set through the U boot menu the boot arguments according to the following paragraph if needed 1 3 3 3 Boot command and arguments for NAND Boot Command for NAND setenv bootcmd nand read 0x21000000 0x180000 Ox50E1 nand read Ox22000000 0x200000 0x283D70 bootm 0x22000000 0x21000000 Boot argument for jffs2 setenv bootargs console ttySO 115200 mtdparts atmel_nand 8M bootstrap uboot kernel ro rootfs root dev mtdblock1 rw rootfstype jffs2 rootfs Boot argument for ubi setenv bootargs console ttySO 115200 mtdparts atmel_nand 8M bootstrap uboot kernel ro rootfs rw rootfstype ubifs ubi mtd 1 root ubi0 rootfs Note In the version from Shiratech these parameters are already defined in the U boot 14 AT 501 SW user manual 1 1 ACCEL FRONTLINE FT VYTECH GLOBAL I SERVICES 1 3 4 Using SD CARD The SD card slot is located on the bottom of the CB 20 The slot is for Micro SD format only SD card slot Figure 9 SD card slot The SD card should be divided to two partitions one relatively small for the boot u boot device tree and kernel should be in FAT 16 or 32 format For proper operation the file names should be boot u boot ulmage and sama5d34ek dtb The other partition will be ext2 and will be used for the file system The following link provides deta
25. tereo Line in Giga Ethernet port J 24 Ethernetg Port 0 Rj 45 RS232 port J 1 USART 1 DB 9 CAN interface 0 J 23 CANO RJ 11 CAN interface 1 J 22 CAN1 RJ 11 JTAG interface J 16 20 pins 2 54 Header Extender J 18 SPI 1 USART 3 12C from 30 pins 1 25 Header Extender 10 GPI Power inlet J 17 Power Jack 5 9 Volt Table 1 External interfaces mapping 31 AT 501 SW user manual 1 1 ACCEL FRONTLINE Elali ITECH GLOBAL I T SERVICES Notes USB support e Port C supports USB 2 0 Host is connected via a USB HUB device to the external interface e The control and monitor of the USB is done using GPIOs listed in 4 3 3 3 Interrupt amp I O Table The following table describes the AT 501 I O configuration used by the SW To keep compatibility with the AT 501 SW these I O must be used for the following interfaces Signal 1 0 Description Remarks EO INTR PB 25 Giga Ethernet 0 interrupt Active Low E1 INTR PE 30 Fast Ethernet 1 interrupt Active Low MCIO CD PD 17 uSD card detect 0 Card in 1 No card MCI1 CD PD 18 SD card detect 0 Card in 1 No card VBUS Sense PD 29 USB port A power sense 0 No power sensed 1 Power sensed OverCur USB PD 28 USB port A or Port B over current Open Drain EN5V HDA PD 25 USB port A power drive enable 0 Enable 1 Disable Default EN5V HDB PD 26 USB port B power drive enable 0 Enable 1 Disable Default EN5V HDC PD 27 U
26. tistrap etc hostname file and just add debian as its content then save and close that file e Create edit multistrap etc passwd file and change paste the content as follows etc passwd root 0 0 root root bin bash daemon x 1 1 daemon usr sbin bin sh bin x 2 2 bin bin bin sh sys x 3 3 sys dev bin sh sync x 4 65534 sync bin bin sync games x 5 60 games usr games bin sh man x 6 12 man var cache man bin sh p x 7 7 lp var spool lpd bin sh mail x 8 8 mail var mail bin sh news x 9 9 news var spool news bin sh uucp x 10 10 uucp var spool uucp bin sh proxy x 13 13 proxy bin bin sh www data x 33 33 www data var www bin sh backup x 34 34 backup var backups bin sh list x 38 38 Mailing List Manager var list bin sh irc x 39 39 ircd var run ircd bin sh gnats x 41 41 Gnats Bug Reporting System admin var lib gnats bin sh nobody x 65534 65534 nobody nonexistent bin sh libuuid x 100 101 var lib libuuid bin sh telnetd x 101 102 nonexistent bin false Create edit multistrap etc inittab and change paste the content as follows etc inittab 20 AT 501 SW user manual 1 1 ACCEL FRONTLINE GLOBAL I T SERVICES etc inittab init 8 configuration Sld inittab v 1 91 2002 01 25 13 35 21 miquels Exp The default runlevel id 2 initdefault Boot time system configuration initialization script This is run first except when booting in emergency b mode s
27. un motd is a text file which contains a message or system identification to be printed before the login prompt Distributor ID Debian Description Debian GNU Linux 6 0 4 squeeze Release 6 0 4 Codename squeeze kernel Version 2 6 39 23 AT 501 SW user manual 1 1 ACCEL FRONTLINE 2 2 2 Modifying pre login message Information to be printed before login etc issue Debian GNU Linux 6 0 n I EMDEBIAN CONTROLLER le ETC ECH The file etc issue is a text file which contains a message or system identification to be printed before the login prompt It may contain various char and char sequences if supported by getty etc issue escape code The issue file etc issue or the file set with the f option may contain certain escape codes to display the system name date and time etc All escape codes consist of a backslash immediately followed by one of the letters explained below e b Insert the baud rate of the current line e d Insert the current date e ker Insert the system name the name of the operating system e l Insert the name of the current tty line e m Insert the architecture identifier of the machine eg i486 e n Insert the node name of the machine also known as the hostname e o Insert the domain name of the machine e r Insert the release number of the OS eg 1 1 9 e t Insert the current time e u Insert the number of current us
28. wire EEPROM SRAM SerialFlash A2 Download Upload File Send File Name home idesroches mount ibiza tmp built u boot bin Gi Send File Receive File Name Receive File Address 0x40000 Size For Receive File 0x1000 byte s Compare sent file with memory Scripts Execute Pmecc configuration crub NandFlash end Boot File L linux4sam buildroot sama5d3xek 9 NANDFLASH EraseBlocks 0x40000 OxBFFFF devittyACM1 Board at91sama5d3x ek 10 AT 501 SW user manual 1 1 ACCEL FRONTLINE Ja 27411 ECH GLOBAL I SERVICES Figure 7 U boot download procedure 1 3 3 Linux Kernel device tree and File system installation The Linux Kernel device tree and File system can be downloaded either via the SAM BA or alternatively using TFTP over the Ethernet port The TFTP configuration is done using the U boot menu 1 3 3 1 Installation via TFTP Once the boot loader is installed on board the Linux kernel device tree and file system can be installed by the u boot prompt using TFTP commands To install the SW files via TFTP do the following steps e Open HyperTerminal on the PC Connect a USB cable to the debug port Mirco USB port with build in RS232 to USB converter e Power up the board e Open hyper terminal application select the virtual com detected by the PC o Set the rate to 115 200 Bps data 8 bits party none stop 1bit and flow
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