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SF2-484-Starter-Kit

1. STR s zc lt Linux SmartFusion2 Emcraft Systems M2S FG484 SOM Starter Kit Guide Release 1 12 0 Emcraft Systems Table of Contents T OVERVIEW DOCERE CD X EE RD 3 2 Dew 3 2 1 SHIPPABLE HARDWARE ITEMS sccccccccesesseceeeeececuessececeeeceauesseceeseeaeaaeeeeeeeeseaeeaseeeeeesseaueaeeeeeeeeeeanenss 3 2 2 DOWNLOADABLE HARDWARE 5 8 3 2 3 DOWNLOADABLE SOFTWARE MATERIALS 1 3 2 4 DOWNLOADABLE DOCUMENTATION 5 4 3 SOFTWARE FUNCTIONALITY sors cu on ieee sa aai eaa a 4 39 1 SUPPORTED FEATURES beo ec ON n e ec e Odo be feet p oet 4 3 2 NEW AND CHANGED FEATURES 5 3 3 KNOWN PROBLEMS amp 88 6 4 HARDWARE SETUP 50 st aka Qa quae adr qo oua DU ae ua D Nu ER dE dae 6 4 1 HARDWARE ene nnn nnn sensere nnn nsns s nn 6 4 2 J MPERS Qe itte eda ce ene cer teer en Era 7 4 3 BOARD CONNECTIONS nnne nn nn nsn nne usi esee a 7 4 4 EXTENSION INTERFACES ni co Ce obe nt Re Ro bn estu E eden 7 5
2. Freqs CORTEX M3 166MHz PCLK0 83MHz PCLK1 83MHz Board M2S FG484 SOM Rev 1A www emcraft com DRAM 64 MB Ins serial out serial EXE serial Net 25 MAC Hit any key to stop autoboot 0 25 484 5 gt U boot makes use of the so called environment variables to define various aspects of the system functionality Parameters defined by the U boot environment variables include target IP address target MAC address address in RAM where a Linux bootable images will be loaded and many more To examine the current settings of the environment variables run printenv from the U Boot command interface U Boot provides a command called saveenv that stores the up to date run time environment to the persistent storage which will be the external Flash for the U Boot configuration used on the M2S FG484 SOM board You need to call saveenv any time when you want to copy current settings of the environment variables to the persistent storage in Flash This is how you can write the current U Boot environment to the external Flash M2S FG484 SOM gt saveenv Saving Environment to SPI Flash Erasing SPI flssh Writing to SPI flash done 25 484 5 gt 5 2 Ethernet MAC Address In Linux SmartFusion2 the MAC address of the Ethernet interface is defined by the ethaddr U Boot environment variable The value of the MAC address can be examined from the U Boot command line monitor as follows M2S FG484 SOM gt printenv ethaddr e
3. embedded ready for installation onto the M2S010 FG484 SOM using the Microsemi FlashPro tool 2 m2s010 fg484 som 1a zip M2S FG484 SOM Libero and SoftConsole Hello world demo project ready for the M2S010 FG484 SOM 3 m2s050 fg484 som 1a stp M2S FG484 SOM Libero stp file with the U Boot image embedded ready for installation onto the M2S050 FG484 SOM using the Microsemi FlashPro tool 4 m2s050 fg484 som la zip M2S FG484 SOM Libero and SoftConsole Hello world demo project ready for the M2S050 FG484 SOM Note The Libero project included with the Release 1 12 0 is developed using Libero 11 1 For the M2S050 FG484 device select 25050 as the SmartFusion2 device when using that Libero version Linux SmartFusion2 3 11 Release 1 12 0 Emcraft Systems M2S FG484 SOM Starter Kit Guide Emcraft Systems Note Refer to the Microsemi web site for the Libero v11 1 minimum system requirements To increase the virtual address space that is available to the applications on Windows 32 bit OS refer to Known Issue SL5583 5 networking uImage prebuilt Linux image ready to be loaded to the M2S FG484 SOM board 6 linux M28 1 12 0 tar bz2 Linux SmartFusion2 software development environment including o U Boot firmware o Linux kernel o busybox and other target components o Linux hosted cross development environment o Framework for developing multiple projects embedded applications from a single installation incl
4. the P3 connector Note Only one of the FlashPro JTAG and the ARM JTAG interfaces must be used at any time Using the two JTAG interfaces simultaneously may result in a mal function of the M2S FG484 SOM 4 4 Extension Interfaces For description of the extension interfaces provided by the Emcraft Systems M2S FG484 SOM board refer to Emcraft Systems SmartFusion2 System On Module M2S FG484 SOM Hardware Architecture For description of the extension interfaces provided by the Emcraft Systems SOM BSB EXT baseboard refer to Emcraft Systems SOM BSB EXT Baseboard Hardware Architecture The above mentioned documents can be downloaded from the following page http www emcraft com som m2s fg484 Linux SmartFusion2 7 11 Release 1 12 0 Emcraft Systems M2S FG484 SOM Starter Kit Guide Emcraft Systems 5 M2S FG484 SOM Board Linux Software Set up 5 1 U Boot Environment When the M2S FG484 SOM board is reset the Linux bootstrap will proceed to boot the U Boot firmware from the on chip eNVM Unless interrupted U Boot proceeds to load the Linux bootable image from the SPI Flash into the LPDDR and passes control to the Linux kernel entry point in LPDDR Linux bootstraps the kernel mounts a root filesystem in RAM and enters the interactive shell command interface printing the following output to the serial console U Boot 2010S 120 Dec 06 2013S 9 549 416 Eoma r ERUS TONA Soe i Contex Ms Hard
5. to a PC notebook by plugging a mini USB cable into the P1 mini USB connector on the SOM BSB EXT board As soon as the connection to the PC has been made the LED DS2 should lit up indicating that the board is up and running A single USB connection provides a 500 mA power to the M2S FG484 SOM which is sufficient for basic functionality Note however that some advanced operations such as WiFi connectivity using the USB WiFi module may require more than 500 mA for reliable operation Use the second link of the mini USB Y cable to connect to the PC for such configurations On the PC side the USB link provides a serial console device to the M2S FG484 SOM The software installed on the board is configured for a 115 2 K terminal On the Linux host the serial console is available using a dev ttyUSBn device To provide network connectivity to the board connect it into your LAN by plugging a standard Ethernet cable into the J1 connector The board is pre configured with an IP address of 192 168 0 2 The M2S FG484 SOM comes with the U Boot firmware and an appropriate Libero project pre installed into SmartFusion2 U Boot provides sufficient interfaces for uploading and installing new firmware images onto the board so you may never need to re install firmware over the JTAG interface If however at some point you require re programming U Boot onto your board connect it to a Microsemi FlashPro programmer tool by plugging a standard JTAG cable into
6. M2S FG484 SOM BOARD LINUX SOFTWARE SET UP 2 2 2 22220 8 5 1 U BOOT ENVIRONMENT 2 5 erect otro etc bb e cea c Ev ED eet oe dac 8 5 2 ETHERNET MAC 55 8 5 3 NETWORK CONFIGURATION 5 es ri sioe ee ees Ye oe ea va aera vede en aa reae a To aa Eve vo va A EEN oh 9 5 4 RUNNING PRE INSTALLED 9 5 5 LOADING LINUX IMAGES pre Se ch ce ex ea o Pra e FR e a Oo PO Eo Po 9 5 6 LWEBOOT BUILDS imis terere E tr t Nate o L 10 bif U BOOTINSTALL ATION correre eoa eno rara our e ao ba ee anna dai den do e ea va o a da a area 10 6 FURTHER MATERIALS oninia 11 7 SUPPORT a Nacidos au detienen aeia da eg er eve eA VE PDA 11 Linux SmartFusion2 2 11 Release 1 12 0 Emcraft Systems M2S FG484 SOM Starter Kit Guide Emcraft Systems 1 Overview This document is the Emcraft Systems M2S FG484 SOM Starter Kit Guide Release 1 12 0 The BSP provides a software development environment for evaluation and development of Linux on the Cortex M3 processor core of the Microsemi SmartFusion2 microcontroller using the Emcraft Systems M2S FG484 SOM board in harness with the Emcraft Systems SOM B
7. SB EXT baseboard as a hardware platform This BSP is provided as part of the Emcraft Systems SmartFusion2 System On Module M2S FG484 SOM Starter Kit The kit provides a hardware platform and Linux software development environment for the SmartFusion2 System On Module M2S FG484 SOM 2 Product Contents This product includes the following components 2 1 Shippable Hardware Items The following hardware items are shipped to customers of this product 1 M2S FG484 SOM board 2 SOM BSB EXT baseboard 3 Mini USB cable UART power interface Note that this product does not include any JTAG programmer tools or associated hardware items Such equipment needs to be purchased directly from respective vendors 2 2 Downloadable Hardware Materials The following hardware materials are available for download from Emcraft s web site to customers of this product 1 SOM BSB EXT 1A schem pdf SOM BSB EXT schematics in PDF format SOM BSB EXT 1A bom xls SOM BSB EXT Bill Of Materials BOM in Excel format 2 3 SOM BSB EXT 1A Dimensions pdf SOM BSB EXT mechanical drawing in PDF format 4 M2S FG484 SOM IntLib Altium Designer 9 4 integrated library for the M2S FG484 SOM symbol and footprint 2 3 Downloadable Software Materials The following software materials are available for download from Emcraft s web site to customers of this product 1 m2s010 fg484 som 1a stp M2S FG484 SOM Libero stp file with the U Boot image
8. ase e Free upgrade to new releases of the downloadable materials included in the product during 3 months since the product purchase If you require support beyond of what is described above we will be happy to provide it using resources of our contract development team Please contact us for details Linux SmartFusion2 11 11 Release 1 12 0 Emcraft Systems M2S FG484 SOM Starter Kit Guide
9. e BSP distribution comes with U Boot pre built for the M2S FG484 SOM board If however you need to re build U Boot for your board please follow the instructions below 1 Install the Linux SmartFusion2 distribution to the development host as described in the Linux Cortex M User s Manual 2 From the top of the Linux SmartFusion2 installation activate the Linux SmartFusion2 cross compile environment by running ACTIVATE sh Go to the U Boot source directory u boot 4 Run the following commands psl pvr u boot make m2s fg484 som config Configuring for m2s fg484 som board pslGpvr u boot make s pslGpvr u boot make s u boot hex 5 7 U Boot Installation The Emcraft Systems M2S FG484 SOM board arrives with the U Boot firmware pre installed into the on chip Flash of the SmartFusion2 The U Boot command line interface provides commands that allow upgrading U Boot on the running target in self upgrade mode However should you program a faulty U Boot image into SmartFusion2 U Boot can be re installed using the Emcraft provided Linux SmartFusion2 Libero project and a Microsemi FlashPro tool Here is an example of how this can be done Linux SmartFusion2 10 11 Release 1 12 0 Emcraft Systems M2S FG484 SOM Starter Kit Guide Emcraft Systems Start FlashPro on a Windows host From the FlashPro IDE create a new project with an arbitrary name From the main FlashPro window push Configure Device 492 Dh se
10. e will be resolved in future releases of the product 4 USB hot plug doesn t work on SmarFusion2 under uClinux ID RT 82415 Workaround Limitation will be fixed in next release 4 Hardware Setup This section explains how to set up the Emcraft Systems M2S FG484 SOM board in harness with the Emcraft Systems SOM BSB EXT baseboard 4 1 Hardware Interfaces The M2S FG484 SOM board in harness with the Emcraft Systems SOM BSB EXT baseboard provides the following components and interfaces USB OTG interface Reset button ULPI USB PHY E ET zB USB Power amp o UART interface zh 3aw C107 C86 9XR12 Ethernet interface ARM JTAG interface FlashPro interface Linux SmartFusion2 Emcraft Systems M2S FG484 SOM Starter Kit Guide M2S FG484 User button SOM 64 MB LPDDR M2S FG484 acd NO L4VYONT NN Ul9 S S DJ2U j Breadboard area 16 MB SPI Flash Ethernet PHY 6 11 Release 1 12 0 Emcraft Systems 4 2 Jumpers The following jumpers must be configured on the SOM BSB EXT board Jumper Configuration Notes JP1 1 2 closed 3 4 open Enable power on the M2S FG484 SOM JP2 1 2 open 3 4 closed Select appropriate JTAG mode and enable power to the SmartFusion2 JTAG controller JP3 1 3 open 2 4 closed Use the mini USB port as the power source 4 3 Board Connections To power the SOM BSB EXT baseboard with the M2S FG484 SOM up simply connect it
11. pe ARM Linux Kernel Image uncompressed Verifying Checksum OK Loading Kernel Image OK OK Starting kernel Linux SmartFusion2 9 11 Release 1 12 0 Emcraft Systems M2S FG484 SOM Starter Kit Guide Emcraft Systems Linux version 2 6 33 arml vlad8ocean emcraft com gcc version 4 4 1 Sourcery G Lite 201041 189 1 Fri Dec 06 15 43 44 MSK 2013 To load the image into the Flash use the U Boot update macro M2S FG484 SOM gt setenv image vlad networking uImage 25 484 5 gt run update from server 725i 0 1 address as 17 2519 5 5100 Filename vlad networking uImage Loading HEHEHE HHH EE HE HH HE EH HE FE HHH EH FE TE HE EH FE FE EH HEHE EH RHEE EH HHH EEE HEHE EE SH E HEE HH HE EEE done Bytes transferred 2084704 1fcf60 hex 16384 KiB S25FL128S 64K at 0 0 is now current device Saving Environment to SPI Flash Erasing SPI flash Writing to SPI flash done 25 484 5 gt Reset the board and verify that the newly programmed image boots on the target in the autoboot mode 25 484 5 gt reset resetting UeBoot 2010 03 11nmu x cortexm 1 12 0 Dec 06 20213 17219237 Starting kernel nde 5 016 1915300 5 6 U Boot Build Th
12. s Push Browse next to 1oad existing programming file Browse to the Linux SmartFusion2 project stp file for the M2S FG484 SOM board and choose it 5 Push Program at the top of the main window to program the project onto the SmartFusion2 device and wait for the programming procedure to complete If the programming completes successfully a next reset should bring the U Boot start up messages and the command line interface onto the serial console interface 6 Further Materials Refer to Emcraft Systems SmartFusion2 System On Module M2S FG484 SOM Hardware Architecture for detailed information on the hardware architecture of the Emcraft Systems M2S FG484 SOM board Refer to Emcraft Systems SOM BSB EXT Baseboard Hardware Architecture for detailed information on the hardware architecture of the Emcraft Systems SOM BSB EXT baseboard Refer to Linux Cortex M User s Manual for detailed information on the software architecture of the Linux SmartFusion2 distribution Visit Emcraft Systems web site at www emcraft com to obtain additional materials related to Linux SmartFusion2 7 Support We appreciate your review of our product and welcome any and all feedback Comments can be sent directly by email to a2f linux support emcraft com The following level of support is included with your purchase of this product e Email support for installation configuration and basic use scenarios of the product during 3 months since the product purch
13. thaddr C0 B1 3C 88 88 88 25 484 5 gt M2S FG484 SOM board comes with etnaddr set to a address uniquely allocated for the specific board Given that each M2S FG484 SOM board has a unique MAC address allocated to it there is no need to update the ethaddr variable although it is possible to do SO The MAC address be changed by modifying the ethaddr variable as follows 25 484 5 gt setenv ethaddr 0 1 3 88 88 89 Don t forget to store your update in the persistent storage using saveenv so it is remembered across resets and power cycles Linux SmartFusion2 8 11 Release 1 12 0 Emcraft Systems M2S FG484 SOM Starter Kit Guide Emcraft Systems 5 3 Network Configuration You will have to update the network configuration of your board to match settings of your local environment Typically all you have to allow loading images over network from a TFTP server is update the U Boot environment variables ipaddr the board IP address and serverip the IP address of the TFTP server Here is how it is done Update ipaddr and serverip 25 484 5 gt setenv ipaddr 192 168 0 2 25 484 5 gt setenv serverip 192 168 0 1 and then save the updated environment to the external Flash so that your changes are persistent across resets power cycles 5 4 Running Pre installed Linux Image The M2S FG484 SOM board comes with a Linux bootable image for the networking project installed into e
14. ticated command interface for maintenance and development of the target Linux SmartFusion2 4 11 Release 1 12 0 Emcraft Systems M2S FG484 SOM Starter Kit Guide Emcraft Systems e Linux uClinux kernel 2 6 33 Boot from compressed and uncompressed images Ability to run critical kernel code from integrated Flash of SmartFusion2 Serial device driver and Linux console Ethernet device driver and networking ping NFS Telnet FTP etc busybox v1 17 POSIX pthreads Process to kernel and process to process protection using the Memory Protection Unit MPU of the SmartFusion2 core Hardened exception handling an exception triggered by a process affects only the offending process Loadable kernel modules Secure shell ssh daemon Web server MTD based Flash partitioning and persistent JFFS2 Flash file system for external Flash Device driver for the USB OTG interface M2S010 FG484 SOM only I2C device driver SPI controller master mode device driver Device driver for the embedded NVM GPIO device driver e Development tools ARMv7 optimized GNU toolchain from CodeSourcery 201041 is used for development of U Boot Linux and user space applications toolchain must be downloaded separately from the CodeSourcery web site Cross GDB for debugging user space applications mkimage tool used by the Linux kernel build process to create a Linux image bootable by U Boot e Development en
15. uding sample projects allowing to kick start software development for Linux SmartFusion2 2 4 Downloadable Documentation Materials The following documentation materials are available for download from Emcraft s web site to customers of this product 1 m2s fg484 som ha pdf Emcraft Systems SmartFusion2 System On Module M2S FG484 SOM Hardware Architecture specification 2 m2s fg484 som bsb ext ha pdf Emcraft Systems SOM BSB EXT Baseboard Hardware Architecture specification linux cortexm um 1 12 0 pdf Linux Cortex M User s Manual 4 M2S FG484 SOM skg 1 12 0 pdf Emcraft Systems M2S FG484 SOM Starter Kit Guide this document 3 Software Functionality 3 1 Supported Features The following list summarizes the features and capabilities of Linux SmartFusion2 Release 1 12 0 e U Boot firmware o U Boot v2010 03 o Target initialization from power on reset o Runs from the internal eNVM and internal SRAM no external memory required for standalone operation o Serial console o Ethernet driver for loading images to the target o Serial driver for loading images to the target o Device driver for built in Flash eNVM and self upgrade capability o Device driver for storing environment and Linux images in external Flash o Autoboot feature allowing boot of OS images from Flash or other storage with no operator intervention o Persistent environment in Flash for customization of target operation o Sophis
16. vironment Linux hosted cross development environment Development of multiple projects embedded applications from a single installation hello sample project Hello world single process configuration networking sample project basic shell networking and Flash management tools demonstration developer sample project template project that can be used to jump start development of custom user space applications and loadable kernel modules 3 2 New and Changed Features This section lists new and changed features of this release 1 Port uClinux to 25010 484 ID RT 88436 2 Support SPIO and SPI1 and multiple chip selects in Linux SPI driver for SmartFusion2 ID RT 91425 Linux SmartFusion2 5 11 Release 1 12 0 Emcraft Systems M2S FG484 SOM Starter Kit Guide Emcraft Systems 3 3 Known Problems amp Limitations This section lists known problems and limitations of this release 1 USB is not supported by this release on the M2S050 FG484 SOM since the USB ULPI interface is not supported on the 25050 484 ES and PP pre production devices 2 CONFIG KERNEL IN ENVM requires disabling CONFIG ARM UNWIND and CONFIG EARLY PRINTK ID RT 74683 Workaround When enabling coNFIG KERNEL IN ENVM in the kernel disable CONFIG ARM UNWIND and CONFIG EARLY PRINTK 3 Debugging of multi threaded applications using GDB is not supported ID RT 77243 Workaround None This issu
17. xternal Flash To boot this Linux configuration onto the M2S FG484 SOM board just reset the board and let U Boot perform the autoboot sequence Detailed information on functionality of the pre installed Linux image can be found in Linux Cortex M User s Manual Section 3 5 5 Loading Linux Images At this point you are able to load Linux bootable images to the board over TFTP and either boot them directly or install them to the external Flash to allow booting Linux from Flash on power up reset On the host activate the Linux SmartFusion2 development environment and build the networking project bash 3 2 ACTIVATE sh bash 3 2 cd projects networking bash 3 2S make bash 3 2 Copy the Linux bootable image to the TFTP download directory bash 3 2 cp networking uImage tftpboot vlad bash 3 2 To load the image directly use the netboot U Boot macro M2S FG484 SOM gt setenv image vlad networking uImage M2S FG484 SOM gt run netboot ME MIA es SM Filename vlad networking uImage Loading EEE EE E EE EH done Bytes transferred 2084704 1fcf60 hex Image Name Linux 2 6 33 arml Image Ty

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