Aero-Flex GAISLER GR-LEON4-ITX User's Manual
Contents
1. Figure 2 3 Setting the EDCL IP address After the EDCL IP address has been set connect to the target with grmon eth ip lt ip address gt In the example above the command would be grmon eth ip 192 168 0 54 Aeroflex Gaisler AB June 2010 Rev 0 2 EROFLEX 10 GR LEON4 ITX Development Board JE Quick Start Guide Using GRMON The GRMON User s Manual describes the capabilities of GRMON Section 4 of this document describes some usage scenarios for GRMON on the GR LEON4 ITX board a Terminal File Edit View Terminal Help jan jan grmon xilusb GRMON LEON debug monitor v1 1 39 professional version Copyright C 2004 2008 Aeroflex Gaisler all rights For Latest updat go to http www gaisler com Comments or bug reports to support gaisler com This debug version will expire on 10 12 2010 Xilinx cable Cable type rev 0x3 JTAG chain GR1O2EA Found AHB 1 to AHB O bridg Device ID 0x102 GRLIB build version initialising detected frequency 100 MHz Component Vendor LEON4 SPARC V8 Processor Gaisler LEON4 SPARC V8 Processor Gaisler SVGA Controller Gaisler AHB to AHB Bridge Gaisler AHB Debug UART Gaisler AHB Debug JTAG TAP Gaisler GR Ethernet MAC Gaisler GR Ethernet MAC Gaisler USB E controller Gaisler USB UHCI controller Gaisler GR USB 2 0 Device Controller Gaisler USB Debug Comm Link Gaisler Gaisler CAN with DMA Gaisler Fast 32 bit PCI Bridge Gaisler PCI AHB DMA controller Gaisler AHB to2. However at the time of writing MKPROM2 contains some hard coded values for addresses in the system that makes it unsuitable for creating boot ROMs for the GR LEON4 ITX board A workaround is to skip much of the built in initialization provided by MKPROM and instead perform the initialisation with the bdinit calls The file gr 4itx pack mkprom2 bdinit2 c contains initialisation code for the DDR2 memory controller APBUART and timer unit In order to build a boot ROM for a system that will use video output first compile bdinit2 c jan jan LinuxS sparc elf gcc Wall c g 02 DDVI o bdinit o bdinit2 c After this we can create an image using the SnapGear Linux kernel as input jan jan Linux opt mkprom2 mkprom2 v freq 100 stack Ox4ffffff0O pnp Oxffeff800 irgmp 0Oxc0800100 dsustart Oxd0000000 dsutrace bdinit nomsg snapgear 2 6 p41 images image dsu LEON2 3 ERC32 MKPROM prom builder for BCC ECOS RTEMS and ThreadX v2 0 25 Copyright Gaisler Research 2004 2007 all rights reserved pheadO type 1 off 65536 vaddr 40000000 paddr 40000000 fsize 2674944 msize 2833212 pheadl type 6474e551 off 0 vaddr 0 paddr 0 fsize 0 msize 0 section stage2 at 0x40000000 size 10240 bytes Uncoded stream length 10240 bytes Coded stream length 3374 bytes Aeroflex Gaisler AB June 2010 Rev 0 2 EROFLEX 28 GR LEON4 ITX Development Board GAISLER Quick Start Guide Compression Rati
3. Dentry cache hash table entries 32768 order 5 131072 bytes Inode cache hash table entries 16384 order 4 65536 bytes pkbase O0xfc800000 pkend Oxfcc00000 fixstart Oxfcfe4000 emory 251328k 262144k available 2120k kernel code 10728k reserved 292k data 1776k init 65536k highmem Mount cache hash table entries 512 Entering SMP Mode 0 2 2 cpus mpirg at 0xc0800110 Starting CPU 1 irgmp 0xc0800110 DEBUG psr impl Oxf fsr vers 0x7 Started CPU 1 Brought up 2 CPUs Total of 2 processors activated 399 36 BogoMIPS migration_cost 10000 NET Registered protocol family 16 Found GRPCI controller ahb mem io 0x80000000 Oxfff20000 apb Oxc0100800 irq 25 Assigning PCI BARs SCSI subsystem initialized EJ H usbcore registered new interface driver usbfs usbcore registered new interface driver hub usbcore registered new device driver usb NET Registered protocol family 2 Aeroflex Gaisler AB June 2010 Rev 0 2 EROFLEX 26 GR LEON4 ITX Development Board GAISLER Quick Start Guide IP route cache hash table entries 2048 order 1 8192 bytes TCP established hash table entries 8192 order 4 98304 bytes TCP bind hash table entries 8192 order 4 65536 bytes TCP Hash tables configured established 8192 bind 8192 TCP reno registered leon power management initialized highmem bounce pool size 64 pages Installing knfsd
4. EROFLEX GAISLER GR LEONG4 ITX Development Board Quick Start Guide adie GAISLER AB 0 2 2010 06 16 EROFLEX 2 GR LEON4 ITX Development Board GAISLER Quick Start Guide Information furnished by Aeroflex Gaisler AB is believed to be accurate and reliable However no responsibility is assumed by Aeroflex Gaisler AB for its use nor for any infringements of patents or other rights of third parties which may result from its use No license is granted by implication or otherwise under any patent or patent rights of Aeroflex Gaisler AB Aeroflex Gaisler AB tel 46 31 7758650 Kungsgatan 12 fax 46 31 421407 EROF LEX 411 19 G teborg sales gaisler com 7 Sweden www aeroflex com gaisler GAISLER Copyright 2010 Aeroflex Gaisler All information is provided as is There is no warranty that it is correct or suitable for any purpose neither implicit nor explicit Aeroflex Gaisler AB June 2010 Rev 0 2 EROFLEX 3 GR LEON4 ITX Development Board GAISLER Quick Start Guide TABLE OF CONTENTS 1 INTRODUCTION ccniisiacimmieinmaninnsenoniii aar ria oara 6 1 1 OVENVIEW aee e aer a eaa E aar a eea aAa a EA a aSa aai 6 1 2 Referentes sssrinin preen NV E A E AE EEEE ASEE Eaka Riana 6 1 3 PASTS WANING storein eea aa a E E EE OA E A E aA 6 UNPACKING AND SETTING UP THE BOARD 0 ccccccccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees 7 2 1 Unpacking and initial SCtUp ccceeeeeeeeeeeeeceeeeeeeeeeeeaeaaeaeaaee
5. AHB Bridge Gaisler LEON4 Debug Support Unit Gaisler DDR2 Controller Gaisler AHB APB Bridge Gaisler SPI Memory Controller Gaisler AHB APB Bridge Gaisler AHB APB Bridge Gaisler Multi processor Interrupt Gaisler Generic APB UART Gaisler Generic APB UART Gaisler Modular Timer Unit Gaisler PS 2 interface Gaisler PS 2 interface Gaisler I2C slave Gaisler AMBA Wrapper for OC I2C master Gaisler AMBA Wrapper for OC I2C master Gaisler AMBA Wrapper for OC I2C master Gaisler SPI Controller Gaisler General purpose I O port Gaisler General purpose I O port Gaisler AHB status register Gaisler PCI Arbiter European Space Agency PCI trace buffer Gaisler Research Use command info sys to print a detailed report of attached cores grlib gt Figure 2 4 GRMON after connect Aeroflex Gaisler AB June 2010 Rev 0 2 EROFLEX 11 GR LEON4 ITX Development Board GAISLER Quick Start Guide 3 LINUX SYSTEM USER GUIDE 3 1 Overview When the system is powered on the processor will load the Linux kernel from flash into main memory The kernel will then mount a Debian root file system system from the USB Flash stick The sections below describe the system and the available user interfaces The reader is encouraged to read the full documentation before using the system for the first time 3 2 Debian Operating System The USB Flash stick contains an installation of Debian 4 0 Etch Debian is a well known GNU Linux distribution which comes
6. jan jan Linux snapgear 2 6 p41 linux 2 6 21 1 In order to interact with the pre built version of U boot the board must be connected to a monitor and a USB keyboard The ulmage created above should be placed in the root of a TFTP sever and a Ethernet cable should be connected to the GR LEON4 ITX board s second top Ethernet port After the necessary preparations have been made reset the board and press a key on the USB keyboard to stop the U boot boot process When presented with the U boot prompt issue the following commands see the U boot documentation for more commands and the meaning of the commands below gt setenv severip lt ip address of tftp server gt gt saveenv gt run getkernel Aeroflex Gaisler AB June 2010 Rev 0 2 EROFLEX GAISLER gt sf probe gt sf erase 400000 200000 30 gt sf write 40200000 400000 filesize GR LEON4 ITX Development Board Quick Start Guide To see information about the downloaded image issue the command gt iminfo It is also possible to update the u boot image using GRMON First interact with U boot and issue the commands gt sf probe 0 gt sf erase 400000 200000 Then the Linux image can be b make ARCH sparc CROSS_COMPIL uilt with E sparc linux UIMAG and loaded in GRMON via note the o suffix grmon gt spim flash load arch sparc boot uImage o Aeroflex Gaisler AB fF FLASHADDR 0x00400000 ulImage June 2010 Rev
7. 800x600 85 Hz 12 1024x768 60 Hz 13 1024x768 70 Hz 14 1024x768 75 Hz 15 1024x768 80 Hz 16 Custom format undefined grlib gt svga draw test_screen 2 16 Drawing picture test_screen Depth 16 bits Format 640x480 60 Hz Framebuffer memory pos 0x40200000 grlib gt svga draw test_screen 8 16 Drawing picture test_screen Depth 16 bits Format 800x600 60 Hz Framebuffer memory pos 0x40200000 grlib gt svga draw test_screen 12 16 Drawing picture test_screen Depth 16 bits Format 1024x768 60 Hz Framebuffer memory pos 0x40200000 grlib gt i2c 3 dvi init_l4itx_dvi 0 Initializing CH7301 for LEON GRLIB design Initialization done grlib gt svga draw test_screen 8 32 Drawing picture test_screen Depth 32 bits Format Framebuffer memory pos 0x40200000 800x600 60 Hz grlib gt The test screen consists of a framed white cross on black background Interacting with the SPI boot PROM GRMON provides support for interacting with SPI memory devices via its SPI Flash layer SPI memory devices can be controlled both over SPICTRL and SPIMCTRL cores In the examples below we will use the SPI memory controller core SPIMCTRL since it is attached Aeroflex Gaisler AB June 2010 Rev 0 2 EROFLEX 18 GR LEON4 ITX Development Board GAISLER Quick Start Guide to the SPI boot PROM on the GR LEON4 ITX board The first step in communicating with the SPI memory device is to allow the SPI Flash layer
8. LEON The referenced documents can be downloaded from http www gaisler com or be found on the USB Flash stick accompanying the board Abbreviations ASIC Application Specific Integrated Circuit DIL Dual In Line DDR Double Data Rate DSU Debug Support Unit GPIO General Purpose Input Output I O Input Output PC IIC Inter integrated circuit a 2 wire bus IP Intellectual Property MUX Multiplexer PCB Printed Circuit Board RMII Reduced Media Independent Interface SOC System On a Chip SPI Serial Peripheral Interface Aeroflex Gaisler AB June 2010 Rev 0 2 EROFLEX 7 GR LEON4 ITX Development Board GAISLER Quick Start Guide 2 UNPACKING AND SETTING UP THE BOARD 2 1 Unpacking and initial setup The board is delivered with a power supply JTAG adapter USB and Ethernet cables Figure 2 1 GR LEON4 ITX Development Board After unpacking the board two routes can be taken Either the preprogrammed Linux system can be booted or you can connect to the board using the GRMON debug monitor If you wish to start the bundled Linux system please proceed to section 2 2 to work with the board through the GRMON debug monitor skip to section 2 3 2 2 Running the bundled Linux system Overview The GR LEON4 ITX board s SPI boot PROM has been programmed with boot loader that loads an image of the Linux kernel into main memory and then boots the kernel The Linux kernel then mounts its root file system containing initializa
9. after system reset Additional support For customers with a support contract or for issues where the board or device seem faulty please contact support gaisler com Aeroflex Gaisler AB June 2010 Rev 0 2
10. cannot be used in a system where it will be accessed by a master performing bursts over eight words in length C communication does not work Please make sure that the bus has pull ups see the GR LEON4 ITX Board User Manual for how to enable pull ups My USB disk is not detected does not work The board may not be able to provide enough power for drives connected via USB Try connecting the device via a USB hub that has a power source How do change the Ethernet Debug Link IP address in the delivered system The system is delivered pre programmed with the bootloader U boot After system reset U boot will initialize the system which includes setting the Ethernet Debug Communication Link s EDCL IP address The address used by U boot can be changed by attaching a USB keyboard and pressing any key during the first seconds of system boot U boot will then interrupt the boot process and show a prompt The IP address that U boot will assign to the EDCL is stored in the variable greth_edcl_ip0 To show the systems variables issue the command gt printenv To change the EDCL IP address to 172 16 0 24 issue the command gt setenv greth_edcl_ ip0 172 16 0 24 To preserve the value after system reset the variable needs to be saved to SPI flash this is done with the command gt saveenv It is also possible to change the EDCL IP address via GRMON using the edc command However this will not affect the address used by U boot
11. copyright C 1996 okir monad swhb de io scheduler noop registered io scheduler cfq registered default grlib apbuart 2 serial driver s at 0xc0000100 irg 2 0xc0000200 irq 3 grlib apbuart system frequency 100000 khz baud rates 38400 38400 ttySO at MMIO O0xc0000100 irq 2 is a Leon Testing fifo size for UART port 0 got 8 bytes ttyS1l at MMIO 0xc0000200 irq 3 is a Leon Testing fifo size for UART port 1 got 8 bytes RAMDISK driver initialized 16 RAM disks of 4096K size 1024 blocksize loop loaded max 8 devices Probing GRETH Ethernet Core at 0xc0100100 Detected National Semiconductor DP83848 Revision 0 10 100 GRETH Ethermac at 0xc0100100 irq 12 Running 100 Mbps full duplex Probing GRETH Ethernet Core at 0xc0100200 Detected National Semiconductor DP83848 Revision 0 10 100 GRETH Ethermac at 0xc0100200 irq 13 Running 100 Mbps full duplex usbmon debugfs is not available grusbhc ehci grusbhc ehci 0 Gaisler Research EHCI Host Controller grusbhc ehci grusbhc ehci 0 new USB bus registered assigned bus number 1 grusbhc ehci grusbhc ehci 0 irq 6 io base 0xc0100300 grusbhc ehci grusbhc ehci 0 USB 2 0 started EHCI 1 00 driver 10 Dec 2004 usb usbl configuration 1 chosen from 1 choice hub 1 0 1 0 USB hub found hub 1 0 1 0 2 ports detected USB Universal Host Controller Interface driver v3 0 grusbhc uhci grusbhc uhci 0 Gaisler Research UHCI Host Controller grusbhc uhci grusbhc uhci 0 new USB bus registere
12. down the Sy Stem sccssscacen cacti vactotansvesignscacuandessedeoncvaiadenracd Weeavannsebiasamescdeuecees 12 3 5 Graphical Interface X Window System ccccccceeeeeseseeeeeeeeeaaeeeeeeeeeeeeeeeeeeeeaaaaaaaa 12 3 6 Network WAIST AGS isa cte diets tec acttntcaccetdcsedels ivsedasettionddemectimedtte satmbeneen suaceececcnatntotinbeducece 12 3 7 System Time Keeping sssesrsrrrreeessessessoesererssssssernssesesserrrererterrrnsseenunnsanneareornerunenne 13 3 8 Changing the Keyboard Layout isisinscdcccccccccicccansissesacsjasdeccastenseackivatteatecateietecimetncnes 13 GRMON AND THE GR LEON4 ITX BOARD eseseeeeeeeneeeeeeeeeeeeeeeeeeeeeeeeeeees 14 4 1 First Step S renis ape ivy vanascenantandcn a aa aaa aae a a EE AER a 14 4 2 Running an application ccccccccccccecceeeeeeeeeeeeeeeeeeeeeeeeeeeseaaaaeaeeaaeeeeeseeeeeseseeeeeaaaeees 15 4 3 Initializing the DVI WaniSiier sa ciccceceaskseackst atc cnacedsesaesinadatevade cece sche adbahentiveeciendadaseenie 16 AA Drawing MAS Siar cosh sdcice tapi deepxctte anii nania TEIE SPARES N ANE aaia 17 4 5 Interacting with the SPI boot PROM essssssssssssesssseeririrrirsisssssssssrttrrirrrnrrrirnnenenenn ena 17 4 6 Interacting with I2C DEVIC OS taco sceicntenstcacacbctaaseedis dyaccecnies uauateieneddi en penced ue seadiceetecaanet 19 4 7 Other interfaces and Operations cccccccccccceccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeaaaaaaaeeeeeeaaeeees 19 ADVANCED TOPICS siiin
13. pull up resistors on the SCL and SDA signals can be installed if the appropriate jumpers JP9 and JP10 are installed One way to interact with multiple 1 C devices on the board is to connect one of the I2C masters to the I2C slave This can be done by attaching J18 1 to J17 1 and J18 3 to J17 3 Pull ups also need to be enabled JP9 1 2 3 4 or JP10 1 2 3 4 The following GRMON command will initialize the slave grlib gt wmem 0xc0000600 0x50 grlib gt wmem 0xc0000604 0x07 grlib gt wmem 0xc0000614 0x99 The meaning of these write operations can be found by reading the I2C slave manual The connections made above connected I2CM1 to the slave GRMON enumerates I2CM1 as I2C core 2 To read data from the slave issue grlib gt i2c 2 read 0x50 Another way to interact with devices over I C is to communicate with the DS1672 real time clock RTC The RTC is connected to the bus if 12C MO this master is enumerated as 1 C core 1 by GRMON To detect any 7 bit addressable devices on a bus the following command can be used grlib gt i2c 1 scan Scanning 7 bit address space on I2C bus Detected I2C device at address 0x68 Scan of I2C bus completed 1 device found grlib gt The registers of the device can be read with grlib gt i2c 1 read 0x68 0 5 00 ad a9 29 pI 04 80 grlib gt The device can be written with grlib gt i2c 1 write 0x68 0 Oxab grlib gt i2c 1 read 0x68 0 5 00 ab a9 29 b1 04 80 grlib gt Please see t
14. share doc copyright Debian GNU Linux comes with ABSOLUTELY NO WARRANTY to the extent permitted by applicable law user gr leon4 itx echo Linux input via GRMON Linux input via GRMON user gr leon4 itx S Finally we load the gr_ 4itx_busybox configuration grlib gt run Booting Linux Booting Linux PROMLIB Sun Boot Prom Version 0 Revision 0 Linux version 2 6 21 1 jan jan gcc version 3 4 4 18 SMP Tue Mar 16 15 36 57 Cl 2010 ARCH LEON TYPE Leon2 3 System on a Chip Ethernet address 0 0 0 0 0 0 CACHE 2 way associative cache set size 4k Boot time fixup v1 6 4 Mar 98 Jakub Jelinek jj ultra linux cz Patching kernel for srmmu Leon2 iommu 64MB HIGHMEM available Nocache Oxfc000000 0xfc400000 1024 pages 128 1280 node 2 cpu00 type cpu props node device_type mid mmu nctx clock frequency uartl_baud uart2_baud node 3 a type serial props node device_type name node 4 ambappO type ambapp props node device_type name node 5 cpu0l type cpu props node device_type mid clock frequency PROM Built device tree from rootnode 1 with 1813 bytes of memory DEBUG psr impl Oxf fsr vers 0x7 Built 1 zonelists Total pages 63934 Kernel command line console ttyS0 38400 root 8 2 rootdelay 10 rdinit sbin init PID hash table entries 1024 order 10 4096 bytes Todo init master_110_ counter Attaching grlib apbuart serial drivers clk 100hz Console colour dummy device 80x25
15. the correct polarity to prevent unintended damage to the board or cable To connect to the board using the JTAG adapter delivered with the board issue the command grmon jtag Connecting with a Xilinx USB JTAG adapter The JTAG adapter shall be connected to the board using the JTAG pin header or ribbon connector shown in the middle bottom of Figure 2 2 Please ensure that the JTAG cable adapter is connected with the correct polarity to prevent unintended damage to the board or cable To connect to the board using a Xilinx USB adapter issue the command grmon xilusb Connecting via the USB interface Please see the GRMON User s Manual for how to set up the required USB driver software Then connect to the board using the command grmon usb Connecting via serial UART Please refer to the GR LEON4 ITX Development Board User Manual and the GRMON User s Manual for instructions on how to connect via the serial debug interface Connecting via Ethernet Before connecting via Ethernet the host computer the computer running GRMON must be connected to the same network as the GR LEON4 ITX board After that the IP address of the Ethernet Debug Communication Link EDCL must be set up This address can be set up either by PROM software or by using another debug link After connecting with an alternate debug link issue the command edcl lt ip address gt Figure 2 3 below shows a session where an IP address is set and the expected output
16. to detect the device grlib gt spim flash detect Got manufacturer ID 0x20 and Device ID 0x2017 No device match for READ ID instruction trying RES instruction Found matching device ST Numonyx M25P64 grlib gt Since the SPIMCTRL core maps the memory device into AMBA address space we can read the memory device using GRMON s mem command grlib gt mem 0 0O EEEEEEEE EEEEEELE EEETELEE EELELEEE seks aeuee aaa 10 lt EPSEESEE EEEEEEFE EELEEEEE EEEEEerE 8 1464 4ese eas ew ees 20 EEEEEESE EEEELELE EEEEEEEE EEEEELEE stbeaw av eu au au au 30 EPESETiL TEEEFEEE FECEEEEE EEEIEE lt ssssseususevesuss grlib gt In the read out above the device is empty We can now try to load a file to the device First we give a shell command that lists the contents of the small S REC file we will use for this example do not issue the shell cat command on large or non text files grlib gt shell cat tests test_seq4 small S0030000FC S315000000000000000004040404080808080COCOCOC4A 315000000101010101014141414181818181C1C1C1C3A 315000000202020202024242424282828282C2C2C2C2A 315000000303030303034343434383838383C3C3C3C1A 315000000404040404044444444484848484C4C4C4C0A S 315000000505050505054545454585858585C5C5C5CFA S315000000606060606064646464 68686868 6C6C6COCEA 315000000707070707074747474787878787C7C7C7CDA and so on We can now download this file to the memory device grlib gt spim flash load tests test_seq4 small section at
17. to easily create a Linux configuration to run on the GR LEON4 ITX board SnapGear Linux includes three template configurations that can be selected to quickly compile a new Linux configuration First extract the SnapGear distribution jan jan Linux tar jxf snapgear 2 6 p41 tar bz2 Enter the SnapGear directory and issue the command make xconfig In the menu system click Template Configurations and select the wanted configuration in the new window also check the box below the selection as shown in Figure 5 1 After the selection has been made click the Main Menu button and in the remaining window click Save and Exit The configuration of the SnapGear system and Linux kernel have now been updated to predefined values The system can now be compiled by issuing make at the system prompt The updated configuration can also be tailored as for normal SnapGear configurations For further information on SnapGear please see the SnapGear Linux for LEON manual Aeroflex Gaisler AB June 2010 Rev 0 2 EROFLEX 21 GR LEON4 ITX Development Board GAISLER Quick Start Guide Gaisler Leon2 3 MMU options Vendor Product Selection Save and Exit Kermel Library Defaults Selection Quit Without Saving Template Configurations Load Configuration from File Store Configuration to File El Template Configurations NEN Template Configurations gr_l4itx_video Templates for leon3mmu Help i Z ey Vv N Update configurations with above sele
18. with extensive documentation and a large set of precompiled applications A good starting point for Debian documentation is http www debian org doc Precompiled applications can easily be added using Debian s package management system To search for an application the command apt cache can be used To search for the application less issue the command apt cache search less The output will show a large amount of packages in this case the package we searched for is simply named less less Pager program similar to more To install this application we now issue to install applications you must be logged in as the super user apt get install less This will fetch the application from a public repository specified in the file etc apt sources list which at delivery is specified to a public repository that can be accessed over the Internet More documentation about the package management system is available at the Debian website mentioned above 3 3 Logging in to the system There are three ways of logging in to the system Serial terminal connected to the RS232 port or GRMON with u flag Keyboard mouse and computer screen directly attached the system The recommended interface for system interaction is to attach a keyboard a mouse and a computer monitor and use the command line interface This setup will be no different from working with a normal Linux desktop system The serial terminal provides an alternative way of access To acces
19. 0 2 EROFLEX 31 GR LEON4 ITX Development Board GAISLER Quick Start Guide 6 TROUBLESHOOTING AND FREQUENCY ASKED QUESTIONS 6 1 General The performance of the system is less compared to what is advertised for LEON4 The advertised LEON4 performance figures typically come from systems that include a Level 2 cache core The GR LEON4 ITX board and LEON4 ASIC DEMO device were constructed using a pre release version of the LEON4 processor and the L2 cache core was not available at this time If you need to benchmark a system with a Level 2 cache please contact Aeroflex Gaisler l lost the contents of the USB Flash stick Contact Aeroflex Gaisler for a possible download of the original stick contents or a replacement stick How do restore the original PROM contents A copy of the original PROM contents is available in the GR LEON4 ITX data package under the directory gr 4itx pack prom The file 4itx_prom srec can be written to the SPI boot PROM using the GRMON commands spim flash detect spim flash erase spim flash load I4itx_prom srec GRMON reports a system frequency of 100 MHz should it not be 200 MHz The bus with most of the peripherals AHB bus 1 runs at 100 MHz and the bus with the LEON4 processors AHB bus 0 runs at 200 MHz GRMON connects bus 1 and also finds the timer unit there therefore GRMON reports the system frequency as 100 MHz the processor cores still run at 200 MHz 6 2 Interfaces Software freezes when initializing the Ethe
20. 0x0 size 256 bytes entry point 0x0 After downloading the file we can see that the contents has been written to the flash device grlib gt mem 0 O 00000000 04040404 08080808 OcOcOcOC eee ee eeeee 10 10101010 14141414 18181818 Ilclclclc ee eee eee eee 20 20202020 24242424 28282828 2c2c2c2c SSSS rrr 30 30303030 34343434 38383838 3c3c3c3c 000044448888 lt lt lt lt grlib gt GRMON also has support for dumping the contents of the memory device into a S REC file see the GRMON User s Manual for details Finally we can erase the device this should always be done before attempting to load data into the memory Erasing is quite slow and will take a little over sixty seconds grlib gt spim flash erase grlib gt mem 0 4 O EFETEFE EEEECEFE EEFEEEEE EELEE seorerresri naki grlib gt When the device is erased all bits will be set to 1 Aeroflex Gaisler AB June 2010 Rev 0 2 EROFLEX 19 GR LEON4 ITX Development Board GAISLER Quick Start Guide 4 6 4 7 Interacting with I C devices The LEON4 ASIC device provides three 12C interfaces two master interfaces J2CMO amp I2CM71 and one slave interface I2CS As a demonstration I C circuit an on board DS1672 Real Time Clock circuit is connected on the board to the 2CMO interface of the ASIC The 2CM1 and 2CS interfaces of the ASIC are connected to 4 pin 0 1 headers on the board to allow an external circuit to be hooked up If required 10kOhm
21. 20 and Device ID 0x2017 No device match for READ ID instruction trying RES instruction Found matching device ST Numonyx M25P64 grlib gt spim flash erase grlib gt spim flash load u boot section text at 0x0 size 208150 bytes section u_boot_cmd at 0x32d18 size 1272 bytes section data at 0x33210 size 34816 bytes section got at 0x3bal0 size 4688 bytes total size 248926 bytes 116 9 kbit s read 736 symbols entry point 0x00000000 grlib gt verify u boot section text at 0x0 size 208150 bytes section u_boot_cmd at 0x32d18 size 1272 bytes section data at 0x33210 size 34816 bytes section got at 0x3bal0 size 4688 bytes total size 248926 bytes 10 6 Mbit s entry point 0x00000000 grlib gt Next we need to build a Linux kernel image that U boot can handle U Boot needs a header to know how to interpret the binary images The images support compression and CRC verifying To create an image the mkimage tool must be in the system path The Linux kernel has a prepared build target for generating u boot images ulmage jan jan Linux snapgear 2 6 p41 cd linux 2 6 21 1 jan jan Linux snapgear 2 6 p41 linux 2 6 21 1S5 make ARCH sparc CROSS_COMPILE sparc linux ulImag CHK include linux version h CHK include linux utsrelease h removed output sparc linux ld Tdata 0x00040000 F b binary arch sparc boot uImage 0 arch sparc boot uImage o Image arch sparc boot uImage is ready
22. B 1 to AHB 0 bridge Device ID 0x102 GRLIB build version 3508 PEED SIP SEN sg t6 ae a be doe aeri r seers cer ara e Sarana rarai koerana detected frequency 100 MHz Component Vendor LEON4 SPARC V8 Processor Gaisler Research LEON4 SPARC V8 Processor Gaisler Research SVGA Controller Gaisler Research AHB to AHB Bridge Gaisler Research AHB Debug UART Gaisler Research AHB Debug JTAG TAP Gaisler Research GR Ethernet MAC Gaisler Research GR Ethernet MAC Gaisler Research USB EHCI controller Gaisler Research USB UHCI controller Gaisler Research GR USB 2 0 Device Controller Gaisler Research USB Debug Comm Link Gaisler Research Gaisler CAN with DMA Gaisler Research Fast 32 bit PCI Bridge Gaisler Research PCI AHB DMA controller Gaisler Research AHB to AHB Bridge Gaisler Research LEON4 Debug Support Unit Gaisler Research DDR2 Controller Gaisler Research AHB APB Bridge Gaisler Research SPI Memory Controller Gaisler Research AHB APB Bridge Gaisler Research AHB APB Bridge Gaisler Research Multi processor Interrupt Ctrl Gaisler Research Generic APB UART Gaisler Research Generic APB UART Gaisler Research Modular Timer Unit Gaisler Research PS 2 interface Gaisler Research PS 2 interface Gaisler Research I2C slave Gaisler Research AMBA Wrapper for OC I2C master Gaisler Research AMBA Wrapper for OC I2C master Gaisler Research AMBA Wrapper for OC I2C master Gaisler Research SPI Controller Gaisler Research General purpose I O port Gaisler Rese
23. E aaea raaa aa aaa a 20 5 1 Building the Linux FS sin ees secs sateen tcntcsecccecteesieateieiedianesinseceesd wisbeceeeecencateexeeutacedee 20 ON WN asec trans se ce eee eee eee 20 Downloading an image With GRMON 0 ccc cece eee e eee eeeeeeaaeeeeeeeeeeeeeeeeeeeeeeeeeaaael 21 5 2 Creating a boot PROM sisiciissinsecdotieciccscedceavedaaked ves taaiste riaki akaieie Enia 27 OVVIE eresi aisaen Enoe E EEE A EE EE E EEA EERE ete eat a iE 27 MKPROM2 22 mcevansectincsnace dsSscntclstebaieerepnaya seazevpigzaastucedateanedesedideataeusterhesteidansatsuesangeeasd 27 O 01010 EREET ATTEN TAE A esas sashes AT 28 TROUBLESHOOTING AND FREQUENCY ASKED QUESTIONS 31 Aeroflex Gaisler AB June 2010 Rev 0 2 EROFLEX 4 GR LEON4 ITX Development Board GAISLER Quick Start Guide 6 1 General cererea nee N a E e E ET 31 The performance of the system is less compared to what is advertised for LEON4 31 lost the contents of the USB Flash Stick ccccccceeeeceeeeeeeeeaaeaeeeeeeeeeeeeeeeeesaanees 31 How do restore the original PROM Contents cccccseceeeeeeeeeeeeeeeeeeeeeaaeeeeeeeeeeenaaa 31 GRMON reports a system frequency of 100 MHz should it not be 200 MHz 31 02 Interfaces esrus pmi ea E E iania ER ERANS EE 31 Software freezes when initializing the Ethernet Interface 31 have problem X when using the USB Debug Communication Link 31 The system freezes when using it together with my PCI device 31 I2C Commun
24. also see that GRMON has identified and configured the DDR2 controller to use 256 MiB of DDR2 SDRAM memory Running an application In this example we will compile and run an application of our own The procedure for downloading other applications is the same as shown below In order to cross compile a stand alone C application the host computer must have the BCC toolchain installed The toolchain can be downloaded from http www gaisler com and is also included on the USB Flash stick software toolchains BCC Below is a transcript of a terminal with comments inserted Show contents of file hello c user host cat hello c include lt stdio h gt int main void printf Hello world n return 0 Compile and link application place resulting machine code in file hello user host S sparc elf gcc Wall hello c o hello Connect with GRMON and load the application Note that the flag u is given to GRMON This flag places the first UART in debug mode which means that GRMON will echo the characters written to the UART and the user does not need to attach a dedicated serial terminal to the board Without u switch no output would come from the program Please see the GRMON User s Manual for more information jan jan grmon eth ip 192 168 0 54 u Aeroflex Gaisler AB June 2010 Rev 0 2 EROFLEX 16 GR LEON4 ITX Development Board GAISLER Quick Start Guide GRMON LEON debug monitor vl 1 39 professional versio
25. arch General purpose I O port Gaisler Research AHB status register Gaisler Research PCI Arbiter European Space Agency PCI trace buffer Gaisler Research Use command info sys to print a detailed report of attached cores grlib gt At this point GRMON has successfully connected to the system In this case we used the Aeroflex Gaisler AB June 2010 Rev 0 2 EROFLEX 15 GR LEON4 ITX Development Board GAISLER Quick Start Guide 4 2 Ethernet Debug Communications Link EDCL However any of the other debug links would be fine The first listing shows all cores available in the design Giving the command info sys prints a detailed report of the system The output is too long to include here however as a sample with some most of the output cut out grlib gt info sys 00 01 048 Gaisler Research LEON4 SPARC V8 Processor ver 0x0 ahb master 0 some output removed 02 01 01d Gaisler Research GR Ethernet MAC ver 0x0 ahb master 2 irq 12 apb c0100100 c0100200 edcl ip 192 168 0 54 buffer 2 kbyte some output removed 01 01 02e Gaisler Research DDR2 Controller ver 0x0 ahb 40000000 80000000 ahb ffe00100 ffe00200 32 bit DDR2 1 256 Mbyte 0x40000000 200 MHz col 10 ref 7 8 us trfc 135 ns some output removed grlib gt The above shows a sample of the cores connected In the sample we can see that the EDCL IP address has been set and that the EDCL has 2 kbyte hardware buffer we can
26. changed For the console keyboard layout issue the command below as the super user root dpkg reconfigure console data In the package configuration choose Select keymap from full list The keymap that should be chosen is likely prefixed with oc The system is delivered with the setting pe qwerty US american Standard Standard The keymap for the graphical X Window system will also need to be changed if a keyboard with a non american layout is connected This can be done by editing the etc X1 1 xorg conf file and modifying the line m Option XkbLayout us To the layout choice corresponding to the new keyboard for example by exchanging us to r Aeroflex Gaisler AB June 2010 Rev 0 2 EROFLEX 14 GR LEON4 ITX Development Board GAISLER Quick Start Guide 4 GRMON AND THE GR LEON4 ITX BOARD 4 1 First steps The subsections below assume that GRMON the host computer and the GR LEON4 ITX board have been set up so that GRMON can connect to the board The transcripts with courier font below are from a shell session invoking the command line version of GRMON The same commands can be used when the debugger is used with a GUI grmon eth ip 192 168 0 54 GRMON LEON debug monitor vl 1 39 professional version Copyright C 2004 2008 Aeroflex Gaisler all rights reserved For latest updates go to http www gaisler com Comments or bug reports to support gaisler com ethernet startup Found AH
27. ction Help Main Menu Next Prev Fiqure 5 1 Selecting a SnapGear template confiquration Downloading an image with GRMON After the new image has been compiled it can be downloaded to the board using GRMON In the transcript below we connect to the board using the EDCL the flag nb must be given to GRMON in order to not break on page faults the u flag is also given in order to see the serial console in GRMON jan jan Linux snapgear 2 6 p41 grmon eth ip 192 168 0 54 nb u GRMON LEON debug monitor vl 1 39 professional version Copyright C 2004 2008 Aeroflex Gaisler all rights reserved For latest updates go to http www gaisler com Comments or bug reports to support gaisler com ethernet startup Found AHB 1 to AHB 0 bridge Device ID 0x102 GRLIB build version 3508 TETAS a LTS TAO aurar rinia a a a a te Re Re aie a a detected frequency 100 MHz Component Vendor LEON4 SPARC V8 Processor Gaisler Research LEON4 SPARC V8 Processor Gaisler Research f the Linux image will use video output we need to initialize the DVI transmitter grlib gt i2c 3 dvi init_l4itx dvi Transmitter was not set to Chrontel CH7301C AS 0 changing DVI transmitter set to Chrontel CH7301C AS 0 Initializing CH7301 for LEON GRLIB design Initialization done Aeroflex Gaisler AB June 2010 Rev 0 2 EROFLEX 22 GR LEON4 ITX Development Board GAISLER Quick Start Guide grlib gt Af
28. d assigned bus number 2 grusbhc uhci grusbhc uhci 0 irq 7 io base 0xfff00200 usb usb2 configuration 1 chosen from 1 choice hub 2 0 1 0 USB hub found hub 2 0 1 0 2 ports detected Initializing USB Mass Storage driver usbcore registered new interface driver usb storag USB Mass Storage support registered usbcore registered new interface driver usbhid drivers usb input hid core c v2 6 USB HID core driver i2c dev entries driver TCP cubic registered NET Registered protocol family 1 NET Registered protocol family 17 drivers rtc hctosys c unable to open rtc device rtc0 Freeing unused kernel memory 1776k freed init started BusyBox v1 8 2 2010 03 16 15 33 25 CET starting pid 22 tty etc init d rcs starting pid 33 tty bin sh echo hello world hello world 1s bin etc init linuxrce proc sys usr dev home lib mnt sbin tmp var Note that the last configuration does not mount the root filesystem from the USB stick Aeroflex Gaisler AB June 2010 Rev 0 2 EROFLEX 27 GR LEON4 ITX Development Board GAISLER Quick Start Guide 5 2 Creating a boot PROM Overview Creating a boot PROM allows the system to boot software after power up without the need to connect with GRMON There are several boot loaders available for LEON GRLIB systems This document contains descriptions on how to use two o
29. eceeeeeecaaeeeeesaeneeeeaaaeees 7 2 2 Running the bundled Linux systemm ceccneeeceeeeeeeeeeeeeeteneeeeeeneeaeannneeseneeees 7 WY essed eck es dca eases E OAA 7 PFO FEQUISILCS m aee e nateesnsiasGaenbactn EE 7 toroidale MEI n10 EEE E E AE T T Prey 8 2 3 Connecting with the GRMON debug monitor cece ee eeeeeeeneeeeeeeeaeeeeeeeeeeeenaaaees 8 DVS E A T 8 Pre reg iSite S eec a E r aa Eaa ee a aa aE ANE 8 Connecting with the included JTAG adaptel cece eee eeeeeeeeeteetetteeeeeeeeeeeeenaaaees 9 Connecting with a Xilinx USB JTAG adapter cece cette eee e eee eeeeeeneeteeeeeeeaaee 9 Connecting via the USB interface c0 scccnicccsceeneceeneeeeeteeesasneeceseeeeeeeeeccaseneeneenennees 9 Connecting Viet Serial VART ssgcsuetesecracatecesccattncedeesvescaen cactus seecnemnaansener badd Sead ETES EEES EE oR 9 Connecting via ENS roses se red seeadaceccnsceticass tea tne iarsasenssnaandanceessenacnebeadnharadieradsaneametamead 9 Ure ile CE 51 1 Reenter ere ROP tener ya eniin ada ae aa Enon oor a EE yr reer aE nr eee ERAIN Eire 10 LINUX SYSTEM USER GUIDE ainsi aaea aaiae iE A EEEa 11 3 1 ON tesniace rano Eo E ie cae EE E a a aea aaia 11 3 2 Debian Operating SYSISM eierccatiajadesriccsensanecneneccateintensBanndeadeotussbodbdniiates eumetcansanmabantenaan 11 3 3 Logging in to the systemM e sesessssseeeeiiiiiittttttttttttttttittt ttt nntttttataaeettesa tnr ttntenanen rennt 11 3 4 Shutting
30. enteeeeeeeeeeeeeeeeeeeeeenaa 21 REVISION HISTORY Revision Date Page Description 0 1 2010 03 17 All New document 0 2 2010 06 16 29 30 32 Fixed minor errors and omissions in U boot image creation Added information on how to change the EDCL IP address used by U boot Aeroflex Gaisler AB June 2010 Rev 0 2 EROFLEX 6 GR LEON4 ITX Development Board GAISLER Quick Start Guide 1 1 1 2 1 3 INTRODUCTION Overview This document is a quick start guide for the GR LEON4 ITX Development Board The purpose of this document is to get users quickly started using the board For a complete description of the board please refer to the GR LEON4 ITX Development Board User Manual the LEON4 system on chip is described in the LEON4 AS C DEMO Data sheet and User s Manual This quick start guide does not contain as much technical details and is instead how to oriented However to make the most of the guide the user should have glanced through the two aforementioned documents and should ideally also be familiar with the GRMON debug monitor The GR LEON4 ITX data package and this document including possibly newer revisions are available from the GR LEON4 ITX product page at http www gaisler com References RD 1 LEON4 ASIC DEMO Data sheet and User s Manual Aeroflex Gaisler 2010 RD 2 GR LEON4 ITX Development Board User Manual Aeroflex Gaisler 2010 RD 3 GRMON User Manual RD 4 SnapGear Linux for
31. er for IDF O input data 24 bit color depth and monitor connected via analog interface or DVI to VGA adapter Table 4 1 GRMON DVI transmitter initialization The transcript below shows the GRMON output grlib gt i2c 3 dvi init _14itx dvi Transmitter was not set to Chrontel CH7301C AS 0 changing DVI transmitter set to Chrontel CH7301C AS 0 Initializing CH7301 for LEON GRLIB design Initialization done grlib gt After initializing the transmitter the command i2c 3 dvi showreg will show the values of the DVI transmitter s registers Aeroflex Gaisler AB June 2010 Rev 0 2 EROFLEX 17 GR LEON4 ITX Development Board GAISLER Quick Start Guide 4 4 4 5 Drawing images GRMON has support for drawing both test screens and images in PPM ASCII format The transcript below show commands that draw the built in test screen in different modes Note that the DVI transmitter must be initialized for the correct bit depth grlib gt i2c 3 dvi init _14itx dvi Transmitter was not set to Chrontel CH7301C AS 0 changing DVI transmitter set to Chrontel CH7301C AS 0 Initializing CH7301 for LEON GRLIB design Initialization done grlib gt svga formats Available SVGACTRL display formats Format Resolution refresh rate 0 480x272 1 480x240 2 640x480 60 Hz 3 640x480 72 Hz 4 640x480 75 Hz 5 640x480 85 Hz 6 800x480 7 800x600 56 Hz 8 800x600 60 Hz 9 800x600 72 Hz 10 800x600 75 Hz 11
32. f them MKPROM2 and U boot with the GR LEON4 ITX board MKPROM2 Note MKPROM2 does not support creating PROM images of SMP Linux images To create a bootable Linux image with MKPROM2 disable SMP support in the kernel configuration Please see the MKPROM2 documentation for a general description of the application This sections deals with specifics of the GR LEON4 ITX board The MKPROM2 package is included on the USB Flash stick in the directory software bootloaders mkprom2 MKPROM2 does not include support for initializing the DVI transmitter In order to do this MKPROM can be instructed to include software provided by the user The data package included with the board contains the file gr 4itx pack mkprom2 bdinit c that contains code for initializing the DVI transmitter via 1 C To compile bdinit c so that it can be included in the boot ROM issue the command sparc elf gcc Wall c g 02 bdinit c Add the switch DBPP24 if you will use 24 bit color and add DDVI if you want to use digital DVI output to autodetect the type of screen connected via I C and select the correct initialisation parameters is left as an exercise for the reader The command line options for MKPROM 2 to be used with the GR LEON4 ITX are mkprom2 v freq 100 stack Ox4ffffff0 pnp Oxffeff800 ddr2spa_cfg1 0x96a08616 ddr2spa_cfg3 0x13650000 ddr2spa_cfg4 0x0000017f gpt 0xc0000300 irqmp 0xc0800100 uart 0xc0000100 dsustart 0xd0000000 dsutrace bdinit nomsg
33. he GRMON User s Manual and the DS1672 data sheet for further details Other interfaces and operations Please see the GRMON User s Manual for a description of the other debug drivers and capabilities provided by GRMON Aeroflex Gaisler AB June 2010 Rev 0 2 EROFLEX 20 GR LEON4 ITX Development Board GAISLER Quick Start Guide 5 ADVANCED TOPICS 5 1 Building the Linux kernel Overview Aeroflex Gaisler provides a Linux distribution named SnapGear Linux A release of SnapGear Linux has been included on the first partition of the USB stick delivered with the board software Linux contains the distribution and software toolchains Linux contains the toolchain SnapGear Linux can also be downloaded from http www gaisler com To be able to easily create a Linux configuration to run on the GR LEON4 ITX board SnapGear Linux includes three template configurations that can be selected to quickly compile a new Linux configuration Configuration name Description gr_l4itx_video Main console is DVI video Mounts root filesystem from second partition on USB Flash stick gr_l4itx_serial No video support main console is serial terminal Mounts root filesystem from second partition on USB Flash stick gr_l4itx_busybox No video support main console is serial terminal Root filesystem is a memory image containing a Busybox system does not mount USB Flash stick Table 5 1 SnapGear template configurations To be able
34. ication does NOt WOFK ccccccecececeeeeececeaeaeeeeeeeeeeeeeeeeeeeeaeaeeeseaeneeseeaaees 32 My USB disk is not detected does not WOFK ceeeeeeeeeeeteeeeeeeeeeeeeeaaaeeeeeeeeeeeeeea 32 How do change the Ethernet Debug Link IP address in the delivered system 32 6 3 Additional SUpport sciis vavtnesascnvacannces cvceentdeeycaatenanvsssusecdousssudebueveswavaverdses 32 Aeroflex Gaisler AB June 2010 Rev 0 2 EROFLEX GR LEON4 ITX Development Board GAISLER Quick Start Guide LIST OF TABLES Table 3 1 Systemi accounts ene ren ne ee mee eee rr EE ee ee eee 12 Table 4 1 GRMON DVI transmitter initialiZation 00 e eee e eee ee eee teteeeeeeeeeeeaaaaeeeeeeeees 16 Table 5 1 SnapGear template Configurations ccccccccccccceceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeaaaaaeaeeeeeeeeaaaes 20 LIST OF FIGURES Figure 2 1 GR LEON4 ITX Development Board 2 eccnccneeeeeeeeeseeeeneeeeeeeeeeneeaseeenereeenees 7 Figure 2 2 User JTAG NCACCl oe atesseitacecntetcrerctincrectasahacalialasatacstcematlsichajealisademseesaheeGunbsake iaketuedeuacents 8 Figure 2 3 Setting the EDCL IP address icas2 ee sdeseecernedeccentinasciabestactucusbasescasaieacashadacecsdcsleneandsatesce 9 Figure 2 4 GRMON after Connect iiciclesSeisjuersscaaseteHiccctneddeetendesansiaittacadtandignsbial cb tebuereaniaseecauiaseere 10 Figure 5 1 Selecting a SnapGear template Configuration ceeeeee eee eeeeeeee
35. ick Start Guide 3 7 3 8 auto eth0 iface ethO inet static address 192 168 0 58 netmask 255 255 255 0 network 192 168 0 0 broadcast 192 168 0 255 gateway 192 168 0 1 It is recommended that the system is attached to a network which allows access to the Internet System Time Keeping System software that is currently delivered with the board does have support for reading out the board s real time clock and is therefore not able to keep the system time after the system has been shut down To avoid problems such as irregularities caused by file time stamps being in the future it is strongly recommended that the system time is set at each boot If the system is connected to a network this can be automated by configuring the software to set the time from a Network Time Protocol NTP server The delivered system is configured to set the time from the NTP server ntp1 chalmers se Another NTP server can be selected by editing the file etc default ntpdate If the board cannot be connected to a network with an NTP server the time can be set manually with the commands dat set 2008 10 10 date set 14 00 00 The commands must be run as the super user root and this must be done each time the system has been restarted unless the system has access to an NTP server Changing the Keyboard Layout The system is configured to use a keyboard with a US American layout If a keyboard with another layout is to be used the keymap should be
36. irst Ethernet port the lower port Booting Linux The bootloader will start Linux when the power adapter is attached to the board Please skip to section 3 for usage instructions Section 5 1 contains transcripts of the output that should be shown on the monitor during the boot process Connecting with the GRMON debug monitor Overview GRMON is a competent debug monitor that is used to debug GRLIB LEON systems The GR LEON4 ITX board has a number of debug interfaces that are all supported by GRMON Note If you intend to use GRMON to work with the board it is recommended to clear the SPI boot PROM as described in section 4 5 Pre requisites The board is delivered with a JTAG adapter that can be used to connect to the board For a description of how to set up the JTAG device or for other JTAG adapters please see the GRMON User s Manual The documentation and a evaluation version of GRMON is available from http www gaisler com Unless you will be loading software that will use the USB Flash stick it is recommended to not connect the USB Flash stick to the board Figure 2 2 User JTAG headers Aeroflex Gaisler AB June 2010 Rev 0 2 EROFLEX 9 GR LEON4 ITX Development Board GAISLER Quick Start Guide Connecting with the included JTAG adapter The JTAG adapter shall be connected to the board using the JTAG pin header shown in the middle bottom of Figure 2 2 Please ensure that the JTAG cable adapter is connected with
37. k Start Guide USB Mass Storage support registered usbcore registered new interface driver usbhid drivers usb input hid core c v2 6 USB HID core driver i2c dev entries driver TCP cubic registered NET Registered protocol family 1 NET Registered protocol family 17 drivers rtc hctosys c unable to open rtc device rtc0 Waiting 10sec before mounting root device scsi 0 0 0 0 Direct Access Kingston DataTraveler G2 PMAP PQ 0 ANSI 0 CCS SCSI device sda 15679488 512 byte hdwr sectors 8028 MB sda Write Protect is off sda assuming drive cache write through SCSI device sda 15679488 512 byte hdwr sectors 8028 MB sda Write Protect is off sda assuming drive cache write through sda sdal sda2 sd 0 0 0 0 Attached scsi removable disk sda sd 0 0 0 0 Attached scsi generic sg0 type 0 kjournald starting Commit interval 5 seconds EXT3 fs mounted filesystem with ordered data mode VFS Mounted root ext3 filesystem readonly Freeing unused kernel memory 160k freed INIT version 2 86 booting Activating swap done EXT3 FS on sda2 internal journal Setting the system clock Cannot access the Hardware Clock via any known method Use the debug option to see the details of our search for an access method Cleaning up ifupdown Loading device mapper support Checking file systems fsck 1 40 WIP 14 Nov 2006 done Setting kernel variables done Mounting local filesystems done Activating s
38. lash contents can now also be verified either by spim flash verify prom out or by the faster verify prom out grlib gt verify prom out section text at 0x0 size 1575824 bytes section data at 0x180b90 size 32 bytes total size 1575856 bytes 12 0 Mbit s entry point 0x00000000 grlib gt The PROM has now been successfully programmed The software located in PROM can now be booted by power cycling the board or by pushing the reset button U boot U Boot Das Universal Boot loader is boot loader for embedded systems developed by http Awww denx de and a port exists for SPARC LEON The LEON U Boot can boot RTEMS VxWorks and Linux 2 6 Building the u boot boot loader can be done with the sparc elf gcc BCC crosscompiler The GR LEON4 ITX data package contains a pre built U Boot image with a configuration suitable for the board The image is available in different formats in the directory gr 4itx Aeroflex Gaisler AB June 2010 Rev 0 2 EROFLEX 29 GR LEON4 ITX Development Board GAISLER Quick Start Guide pack u boot prebuilt this directory also contains a pre built version of the mkimage tool The source for U boot is on the USB Flash stick in the directory software bootloaders u boot To re build u boot enter the U boot source directory and issue the command make gr_leon4_itx_config followed by make To load the image onto the board issue the following commands grlib gt spim flash detect Got manufacturer ID 0x
39. miconductor DP83848 Revision 0 10 100 GRETH Ethermac at 0xc0100100 irq 12 Running 100 Mbps full duplex Probing GRETH Ethernet Core at 0xc0100200 Detected National Semiconductor DP83848 Revision 0 10 100 GRETH Ethermac at 0xc0100200 irq 13 Running 100 Mbps full duplex usbmon debugfs is not available grusbhc ehci grusbhc ehci 0 Gaisler Research EHCI Host Controller grusbhc ehci grusbhc ehci 0 new USB bus registered assigned bus number 1 grusbhc ehci grusbhc ehci 0 irq 6 io base 0xc0100300 grusbhc ehci grusbhc ehci 0 USB 2 0 started EHCI 1 00 driver 10 Dec 2004 usb usbl configuration 1 chosen from 1 choice hub 1 0 1 0 USB hub found hub 1 0 1 0 2 ports detected USB Universal Host Controller Interface driver v3 0 grusbhc uhci grusbhc uhci 0 Gaisler Research UHCI Host Controller grusbhc uhci grusbhc uhci 0 new USB bus registered assigned bus number 2 grusbhc uhci grusbhc uhci 0 irq 7 io base Oxfff00200 usb usb2 configuration 1 chosen from 1 choice hub 2 0 1 0 USB hub found hub 2 0 1 0 2 ports detected Initializing USB Mass Storage driver usb 1 2 new high speed USB device using grusbhc ehci and address 2 usb 1 2 configuration 1 chosen from 1 choice scsi0 SCSI emulation for USB Mass Storage devices usbcore registered new interface driver usb storag T Aeroflex Gaisler AB June 2010 Rev 0 2 EROFLEX 24 GR LEON4 ITX Development Board GAISLER Quic
40. n output removed Use command info sys to print a detailed report of attached cores Download application to RAM grlib gt load hello section text at 0x40000000 size 39584 bytes section data at 0x40009aa0 size 2764 bytes total size 42348 bytes 70 4 Mbit s read 201 symbols entry point 0x40000000 Run the application that was just downloaded grlib gt run Hello world Program exited normally grlib gt After this the application can be downloaded and run again Please also try commands such as inst or hist after running an application and refer to the GRMON User s Manual for their meaning 4 3 Initializing the DVI transmitter The DVI transmitter on the board must be initialized before it can pass video data from the LEON4 ASIC DEMO device to a monitor There are several GRMON commands tailored for initializing the DVI transmitter with values suitable for the GR LEON4 ITX board Command Description i2c 3 dvi init I4itx_dvi Initialize the DVI transmitter for IDF 2 input data 16 bit color depth and monitor connected via digital DVI i2c 3 dvi init l4itx_vga Initialize the DVI transmitter for IDF 2 input data 16 bit color depth and monitor connected via analog interface or DVI to VGA adapter i2c 3 dvi init l4itx_dvi 0 Initialize the DVI transmitter for IDF 0 input data 24 bit color depth and monitor connected via digital DVI i2c 3 dvi init l4itx_vga 0 Initialize the DVI transmitt
41. o 3 035 section vmlinux at 0x40004000 size 2658560 bytes Uncoded stream length 2658560 bytes Coded stream length 1562710 bytes Compression Ratio 1 701 creating LEON3 boot prom prom out Searching for compiler to use sparc elf sparc rtems or sparc linux sparc elf gcc GCC 3 4 4 Copyright C 2004 Free Software Foundation Inc This is free software s the source for copying conditions There is NO warranty not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE sparc elf gcc 02 sg N T opt mkprom2 linkprom Ttext 0x0 opt mkprom2 promcore o opt mkprom2 promcrt0 o opt mkprom2 promload o opt mkprom2 promdecomp o nostdlib opt mkprom2 prominit o opt mkprom2 prominit_leon3 o0 opt mkprom2 prombdinit o dump s bdinit o 0 prom out multidir jan jan Linuxs The SPI Flash memory device can now be programmed with the PROM contents in the prom out file generated by MKPROM2 it is recommended to use the Ethernet debug link when programming the flash start GRMON and issue the following commands grlib gt spim flash detect Got manufacturer ID 0x20 and Device ID 0x2017 No device match for READ ID instruction trying RES instruction Found matching device ST Numonyx M25P64 grlib gt spim flash load prom out section text at 0x0 size 1575824 bytes section data at 0x180b90 size 32 bytes total size 1575856 bytes 119 3 kbit s read 131 symbols entry point 0x00000000 The f
42. rnet Interface Software that relies on the MDIO interrupt for Ethernet PHY initialization may time out when bringing up the Ethernet interface This is an issue with some version of the Linux kernel included in the SnapGear GNU Linux distribution provided by Aeroflex Gaisler A general quick fix is to attach a network cable to each Ethernet port that is being initialized The long term fix is to contact the software vendor and ask for an update have problem X when using the USB Debug Communication Link The USB Debug Communication Link has a bug that leads to repeated accesses This is a problem when accessing register interfaces that are FIFOs that is the interfaces are affected by being read or written more than once with the same value Therefore the USB Debug communication link must not be used when interacting with a UART for instance when using the u flag to GRMON or using the SPIMCTRL or SPICTRL cores Also jumper J10 17 18 GPIO 43 must be installed at power on for the USB DCL interface to work The system freezes when using it together with my PCI device The GRPCI core s PCI target interface included in the design has a bug that causes it to perform bursts of infinite length if a PCI master performs a burst of eight or more words Aeroflex Gaisler AB June 2010 Rev 0 2 EROFLEX 32 GR LEON4 ITX Development Board GAISLER Quick Start Guide 6 3 There is no known workaround for this issue and the LEON4 ASIC DEMO device
43. s the system via the serial port the terminal emulator should be configured for 38400 8N1 The system boot messages will be displayed on the frame buffer device The serial terminal will display a login prompt when the system has completed its boot process The system has two accounts for login Aeroflex Gaisler AB June 2010 Rev 0 2 EROFLEX 12 GR LEON4 ITX Development Board GAISLER Quick Start Guide Username Password Description user user Normal user account root root Super user account Should only be used for system administration 3 4 3 5 3 6 Table 3 1 System accounts Shutting down the System To protect the integrity of the file system the system software should be properly shut down before powering down the board The correctly shut down the system issue the command shutdown h now This command must be issued as the super user root After the system has reported that is going down for system halt there will be no more output on the serial terminal The system will report Halt on the frame buffer console when it is safe to power off the board If an external screen is not connected it can be assumed safe to power off the system 90 seconds after the The system is going down for system halt NOW message has been displayed on the serial terminal Graphical Interface X Window System The X window system graphical interface can be started from the command line by using the command start
44. tarted CPU 1 Brought up 2 CPUs Total of 2 processors activated 399 76 BogoMIPS migration_cost 10000 NET Registered protocol family 16 Found GRPCI controller ahb mem io 0x80000000 Oxfff20000 apb Oxc0100800 irq 25 Assigning PCI BARs SCSI subsystem initialized usbcore registered new interface driver usbfs usbcore registered new interface driver hub usbcore registered new device driver usb NET Registered protocol family 2 IP route cache hash table entries 2048 order 1 8192 bytes TCP established hash table entries 8192 order 4 98304 bytes TCP bind hash table entries 8192 order 4 65536 bytes TCP Hash tables configured established 8192 bind 8192 TCP reno registered leon power management initialized highmem bounce pool size 64 pages Installing knfsd copyright C 1996 okir monad swhb de io scheduler noop registered io scheduler cfq registered default grlib apbuart 2 serial driver s at 0xc0000100 irg 2 0xc0000200 irq 3 grlib apbuart system frequency 100000 khz baud rates 38400 38400 ttySO at MMIO 0xc0000100 irq 2 is a Leon Testing fifo size for UART port 0 got 8 bytes ttySl at MMIO 0xc0000200 irq 3 is a Leon Testing fifo size for UART port 1 got 8 bytes RAMDISK driver initialized 16 RAM disks of 4096K size 1024 blocksize loop loaded max 8 devices Probing GRETH Ethernet Core at 0xc0100100 aac Detected National Se
45. ter this we can load the Linux image grlib gt load images image dsu section stage2 at 0x40000000 size 10240 bytes section vmlinux at 0x40004000 size 2782144 bytes total size 2792384 bytes 79 0 Mbit s read 6260 symbols entry point 0x40000000 grlib gt run Booting Linux Booting Linux pkbase Oxfc800000 pkend Oxfcc00000 fixstart Oxfcfe4000 Debian GNU Linux 4 0 gr leon4 itx ttyS0 gr leon4 itx login The above transcript loaded an image built from the the gr_ 4itx_video configuration In that case the boot messages are passed to the graphical console The Linux boot takes some time and you may need to wait a minute before reaching the login prompt on the serial console The video output will show the boot messages as the system starts up If we instead load an image built from the gr_ 4itx_serial configuration all output will be directed to the serial console grlib gt load images image dsu section stage2 at 0x40000000 size 10240 bytes section vmlinux at 0x40004000 size 2642880 bytes total size 2653120 bytes 79 1 Mbit s read 6159 symbols entry point 0x40000000 grlib gt run Booting Linux Booting Linux PROMLIB Sun Boot Prom Version 0 Revision 0 Linux version 2 6 21 1 jan jan gcc version 3 4 4 17 SMP Tue Mar 16 15 28 21 CET 2010 ARCH LEON TYPE Leon2 3 System on a Chip Ethernet address 0 0 0 0 0 0 CACHE 2 way associative cache set size 4k Boot time fixup v1 6 4 Mar 98 Jak
46. tion scripts and software from a USB Flash stick The Linux console is available both over the DVI video interface and over the serial terminal Pre requisites The Linux kernel mounts the root filesystem from the USB stick included in the delivery Therefore the USB stick must be attached to the board As previously stated the Linux console is available both over the video interface and over the serial terminal As the board Aeroflex Gaisler AB June 2010 Rev 0 2 EROFLEX 8 GR LEON4 ITX Development Board GAISLER Quick Start Guide 2 3 only provides PIN headers with the receive and transmit lines for the serial terminal it is recommended that a monitor keyboard and mouse is attached to the board According the normal conventions for the PS 2 interface the top connector green is the Mouse interface and the bottom connector purple is the Keyboard interface If using a USB keyboard and mouse the devices should be connected via a USB hub and the USB memory stick should be directly connected to one of the board s USB ports The connected monitor must support DVI A output the board can also be connected to a monitor using a DVI to VGA adapter It is recommended but not required to connect the board to a Ethernet network where it can receive an IP address via DHCP and access the Internet This will allow system software to automatically set the system date and time If an Ethernet cable is attached it should be connected to the f
47. ub Jelinek jj ultra linux cz Patching kernel for srmmu Leon2 iommu 64MB HIGHMEM available Nocache Oxfc000000 0xfc400000 1024 pages 128 1280 node 2 cpu00 type cpu props node device_type mid mmu nctx clock frequency uartl_baud uart2_baud node 3 a type serial props node device_type name node 4 ambappO type ambapp props node device_type name node 5 cpu0l type cpu props node device_type mid clock frequency PROM Built device tree from rootnode 1 with 1813 bytes of memory DEBUG psr impl Oxf fsr vers 0x7 Built 1 zonelists Total pages 64338 Kernel command line console ttyS0 38400 root 8 2 rootdelay 10 init sbin init PID hash table entries 1024 order 10 4096 bytes Todo init master_110_counter Attaching grlib apbuart serial drivers clk 100hz Console colour dummy device 80x25 Dentry cache hash table entries 32768 order 5 131072 bytes Inode cache hash table entries 16384 order 4 65536 bytes pkbase Oxfc800000 pkend Oxfcc00000 fixstart Oxfcfe4000 Aeroflex Gaisler AB June 2010 Rev 0 2 EROFLEX 23 GR LEON4 ITX Development Board GAISLER Quick Start Guide Memory 252864k 262144k available 2120k kernel code 9116k reserved 292k data 160k init 65536k highmem Mount cache hash table entries 512 Entering SMP Mode 0 2 2 cpus mpirg at 0xc0800110 Starting CPU 1 irqmp 0xc0800110 DEBUG psr impl Oxf fsr vers 0x7 S
48. wapfile swap done Setting up networking Configuring network interfaces Internet Systems Consortium DHCP Client V3 0 4 Copyright 2004 2006 Internet Systems Consortium All rights reserved For info please visit http www isc org sw dhcp Listening on LPF eth0 00 00 7a cc 43 12 Sending on LPF eth0 00 00 7a cc 43 12 Sending on Socket fallback DHCPREQUEST on ethO to 255 255 255 255 port 67 DHCPACK from 192 168 0 1 bound to 192 168 0 114 renewal in 299105 seconds done INIT Entering runlevel 2 Starting system log daemon syslogd Starting kernel log daemon klogd Starting system message bus dbus Starting mouse interface server gpm etc rc2 d S20gpm line 65 dev input mice No such device etc rc2 d S20gpm line 65 dev input mice No such device etc rc2 d S20gpm line 65 dev input mice No such device Not starting internet superserver no services enabled Starting periodic command scheduler crond Debian GNU Linux 4 0 gr leon4 itx ttyS0 gr leon4 itx login user Password Aeroflex Gaisler AB June 2010 Rev 0 2 EROFLEX 25 GR LEON4 ITX Development Board GAISLER Quick Start Guide Last login Thu Jan 1 01 03 40 1970 on ttySO Linux gr leon4 itx 2 6 21 1 17 SMP Tue Mar 16 15 28 21 CET 2010 sparc The programs included with the Debian GNU Linux system are free software the exact distribution terms for each program are described in the individual files in usr
49. x This will launch a session using the BlackBox window manager right click on the mouse will bring up the menu Other window managers can be started by editing the xsession file in the home directory for the user account home user xsession lf the file is changed to exec fvwm2 startx will launch an X session using the FVWM window manager http www fvwm org The graphical interface has a menu option to shut down the system but this is not supported by the hardware Instead X should be exited back to the shell before the system is shut down The X window system may show some instabilities particularly when exiting the graphical interface If this leads to the system being inaccessible from the keyboard and mouse it is typically still possible to connect to the system via another interface such as the serial terminal or network Network Interface The network interface is configured during system start up with the information contained in the file etc network interfaces The default content of this file is The loopback network interface auto lo iface lo inet loopback The primary network interface auto eth0d iface ethO inet dhcp To assign a static IP address the file contents could be changed to for instance The loopback network interface auto lo iface lo inet loopback The primary network interface Aeroflex Gaisler AB June 2010 Rev 0 2 EROFLEX 13 GR LEON4 ITX Development Board GAISLER Qu
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