Linux Kinetis
Contents
1. E FE FE HE FE E FE TE FE FE HE FE HE FE TE FE TE HE FE E EEE HEE FE AE HE FE E FE E E E E E EEE AE AE RE EE E E A EH EH done Bytes transferred 2084704 1fcf60 hex NAND erase device 0 offset 0x100000 size 0x1f00000 Erasing at 0x1fe0000 100 complete OK NAND write device 0 offset 0x100000 size 0x1f00000 32505856 bytes written OK K70 SOM gt Reset the board and verify that the newly programmed image boots on the target in the autoboot mode K70 SOM gt reset resetting U Boot 2010 03 lin0x cortesm 1 9 0 Sep 07 2012 17219237 Starting kernel 101 started BusyBox v1 17 0 Sep 07 2012 19219737 o E 5 5 U Boot Build The BSP distribution comes with U Boot pre built for the K70 SOM board If however you need to re build U Boot for your board please follow the instructions below 1 Install the Linux Kinetis distribution to the development host as described in the Linux Cortex M User s Manual 2 From the top of the Linux Kinetis installation activate the Linux Kinetis cross compile environment by running ACTIVATE sh Go to the U Boot source directory cd u boot 4 Run the following commands psl pvr u boot make k70 som_config Configuring for k70 som board psl pvr u boot make s 5 6 U Boot Installation The Emcraft Systems K70 SOM board arrives with the U Boot firmware pre installed into the on chip Flash of the Kinetis The U Boot command line interface provides commands t2. Linux Kinetis BSP Board Support Package Guide for the Emcraft Systems K70 SOM Board Release 1 8 0 Emcraft Systems Table of Contents 1 OVERVIEW ninia A 0a da dae a de gamed e dada decgeneaedaasuuscontes 3 2 PRODUCT CONTENTS iii 3 2 1 SHIPPABLE HARDWARE ITEMS 0 ssccccccccssessececeeeceeaesseeececeseaueeceeeceeeseeaseeeeeseaueneeeeeeeeauaaseceeseseeaueaseess 3 2 2 DOWNLOADABLE HARDWARE MATERIALS s ccccccceesesseeecececeeueeeececeeesueaseceeeeeseaueaseceseensanseceeeeseeauensness 3 2 3 DOWNLOADABLE SOFTWARE MATERIALS 0 scccccccessessececececeseeeeececeeeseeaseceeeeeseaueaseceeseaseaeeeeeeeseaaeasness 3 2 4 DOWNLOADABLE DOCUMENTATION MATERIALS c ssesceeecececceseeeeceecceseeasececceeseaueaseeeeeeeseaueceeeeseeanenaness 4 3 SOFTWARE FUNCTIONALITY oia a A a aaa ian 4 3 1 SUPPORTED FEATURES vasito a 4 3 2 NEW AND CHANGED FEATURES 0ssscccccececeessececececeauessseeceeeceauessseececeseanseeeeeeseaueasseeeeeeseeuneeeeeeeeaeags 5 3 3 KNOWN PROBLEMS amp LIMITATIONS ccooonocnccnnccccconocnnnnncnnononoconnnnonnnnonnrnnnnnnnnnnnnnranennnnonnrnnnnnannnnnnnrrananannns 5 4 HARDWARE SET Pocos aiii ad dad 6 4 1 HARDWARE INTERFACES c ccccsscsscsssccsccuscencesscesuceucessesscesuceuuesseesseeuesssessecsuceusessscssecnccuscsssessecuucensentess 6 7a JUMPER oleo 6 4 3 BOARD CONNECTIONS con adan 6 4 4 EXTENSION INTERFACES ieassiecccdvvsvsisebcacd a a dnduedsccpuvecadapdeeaascdecbae Seek sabvedsecped
3. age vlad networking uImage 70 SOM gt run netboot Auto negotiation completed Corel0 100 link UP 100 Full Using Corel0 100 device TPS on e i o ili 01s our T Ele basa ais 1N 2 i o ONO Filename vlad networking ulmage Loading HHHHEREEEEEE HEE HEE EEE RHEE EEE EEE HERE AE FE TE FE FE HE FE AE FE TE EERE RHEE E E E E FEFE AE HE FE FE FE TE HE FE E FE EE EEE FE TE FE FE HE FE FE FE TE HE FE HE EE HE FE E FE FE FE FE HE FE E FE FE FE FE HE FE HEE HERE EEE EEE EHE AE AE FE E FE TE H E E done Bytes transferred 2084704 1fcf60 hex Image Name mnu 033390 Emil Image Type ARM Linux Kernel Image uncompressed Verifying Checksum OK Loading Kernel Image OK OK Starting kernel Linux Kinetis BSP Guide for the 8 11 Release 1 8 0 Emcraft Systems K70 SOM Board Emcraft Systems Linux version 2 6 33 arml vlad ocean emcraft com gcc version 4 4 1 Sourcery G Lite 2010q1 189 1 Mon Mar 12 15 43 44 MSK 2012 To load the image into the Flash use the U Boot update macro 70 SOM gt setenv image vlad networking uImage 70 SOM gt run update Auto negotiation completed Corel0 100 link UP 100 Full Using Corel0 100 device PERAI romi Server 2r O our eE address rs 2 OOO Filename vlad networking uImage Loading HHHHEREEEEEE FE TE FE FE HE FE FE FE TE HE FE HE FE FE FE HEE FE FE FE FE HE FE FE FE TE FE FE E FE AE FE TE HE FE E FE TE FE TE HE FE E E E E EE FEFE AE HEFE TE FE TE HE AE E FE EEE EEE FE T
4. ard 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 ipadar the board IP address and serverip the IP address of the TFTP server Here is how it is done Update ipaddr and serverip K70 SOM gt setenv ipaddr 192 168 0 2 K70 SOM 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 K70 SOM gt saveenv Saving Environment to NAND K70 SOM gt 5 4 Installation of Linux Images to Flash The K70 SOM board arrives with a Linux bootable image for the networking project installed into external Flash To boot this Linux configuration onto the K70 SOM board just reset the board and let U Boot perform the autoboot sequence 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 in the auto boot mode On the host activate the Linux Kinetis development environment and build the networking project bash 3 2 ACTIVATE sh bash 3 2 cd projects networking bash 3 2S make bashie 3926 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 70 SOM gt setenv im
5. dows host run the CodeWarrior for Microcontrollers 10 2 a Create a project by selecting File gt New gt Bareboard Project Choose Kinetis gt K70 Family gt K70F 120 MHz Family gt MK70FN1MO from the list of devices to connect to On the next page in the list of connection types check only the P amp E USB MultiLink Universal FX USB MultiLinx after that you can click Finish b Open the Target Tasks view It is accessible via Window gt Show View gt Other c Inthe Target Tasks view create a new task The Run Configuration should be project name _MK70FN1MO_INTERNAL_FLASH_PnE U MultiLink the Task Type should be Flash Programmer for Kinetis d Inthe Kinetis Flash Programmer Task view click the Add Device button under the list of devices In the dialog box choose FTFE_PFlash1M0 128Kx64x1 as the type of the internal flash and click Add Device e Inthe Kinetis Flash Programmer Task view in the Target RAM group box enter the following region of internal SRAM memory Address 1fff0000 Size 00010000 f Inthe Kinetis Flash Programmer Task view click Add Action gt Program Verify Choose the U Boot image u boot bin from the file system select the Erase sectors before program checkbox and click Add Program Action g Inthe Target Tasks view click the right mouse button on your flash programming task and select Execute 9 After programming the Kinetis using CodeWarrior disconnec
6. ecsccnocseaecpaueiess 7 5 K70 SOM BOARD SOFTWARE SET UP cccccsssseeeecececcssseeneececeacesseaeeseceacsuseeeeeeneeauasseeeeessenaes 7 521s U BOOT ENVIRONMENT cosida e os 7 5 2 ETHERNET MAC ADDRESG ccccccceseececeeececcessececeeeceaueaseeeceeaeeauesseeeceeauesseeeeeeeseaueaeeeeeseessaaeeeeeeseeanaas 7 5 3 NETWORK CONFIGURATION cccccccccesseseceeeceaeessececeeeceauessececeeeeeaueseeeeceeauenseeceseeseauesseeeeseeseaaseseeeeseeanags 8 5 4 INSTALLATION OF LINUX IMAGES TO FLASH ssssccccccceeseseececeeeceaueeseeeceeeseeaeeseceeeseaueaeeeseeaeaaeeeeeeseeaeags 8 5 5 U BOOT BUILD teta 9 5 6 U BOOT INSTALLATION cai aaa cuoancdesyuetend abad tral dopo 9 6 FURTHER MATERIALS 00h ia 10 7 SUPPORT aiii A A A AA A AA AAA 11 Linux Kinetis BSP Guide for the 2 11 Release 1 8 0 Emcraft Systems K70 SOM Board Emcraft Systems 1 Overview This document is a Linux Kinetis BSP Board Support Package Guide for the Emcraft Systems K70 SOM System On Module board Release 1 8 0 The BSP provides a software development environment for evaluation and development of Linux on the Cortex M4 processor core of the Freescale Kinetis microcontroller using the Emcraft Systems K70 SOM board in harness with the Emcraft Systems SOM BSB baseboard as a hardware platform This BSP is provided as part of the Emcraft Systems K70 SOM System On Module Starter Kit The kit provides a hardware platform and Linux software development environ
7. hat allow upgrading U Boot on the running target in self upgrade mode Linux Kinetis BSP Guide for the 9 11 Release 1 8 0 Emcraft Systems K70 SOM Board Emcraft Systems However should you program a faulty U Boot image into Kinetis U Boot can be re installed using a P amp E USB MultiLink Universal JTAG debugger not included in the kit and the Freescale CodeWarrior IDE Please follow the procedure described below 1 Ona Windows host download and install the Special Edition of CodeWarrior 10 2 or higher from the Freescale web site at http www freescale com cwmcul0 Open the cover of the P amp E USB MultiLink Universal debugger and programmer device 3 Remove all cables currently connected to the P amp E USB MultiLink Universal Connect the 20 pin flat ribbon cable to the PORT B STANDARD ARM group of pins The red pin must be oriented towards pin 1 4 Connect the other end of the ribbon cable to the P3 connector of the SOM BSB baseboard The red pin must also be oriented towards pin 1 Connect the SOM BSB board to a Windows host using a mini USB cable Connect the P amp E programmer to a Windows host using a USB cable On the Windows development host open the Device Manager and install the driver for the USB ML 12 FS Rev A device The driver is already available on your Windows system it is part of the CodeWarrior installation After the driver installation the blue LED on the P amp E programmer should be on 8 On the Win
8. instructions are software emulated in Linux Kinetis Outside of a slower performance applications that make use of float point instructions work as if the hardware FPU was enabled Linux Kinetis BSP Guide for the 5 11 Release 1 8 0 Emcraft Systems K70 SOM Board Emcraft Systems 4 Hardware Setup This section explains how to set up the Emcraft Systems K70 SOM board in harness with the Emcraft Systems SOM BSB baseboard in such a way as to allow running uClinux on this hardware platform 4 1 Hardware Interfaces The K70 SOM board in harness with the Emcraft Systems SOM BSB baseboard provides the following components and interfaces K70 SOM System On Module SOM BSB baseboard e JTAG interface 10 100 Ethernet interface 64MB RAM Flash 1144 0 0 0 0 USB power and USB UART interface to PC Kinetis K70 9222200606 0 128MB NAND Flash 1650 0054 Reset out LED Power good LED soe REREREEERE e i iS La 2 user LEDs Reset push button User push button Unconnected through holes array K70 signals breadboard area 4 2 Jumpers The following jumpers must be configured on the SOM BSB board Jumper Configuration Notes JPi 1 2 closed 3 4 closed To enable power on the K70 SOM VCC3 and save the battery life when the mini USB is connected JP2 1 2 open 3 4 closed The settings of JP2 do not affect the K70 SOM JP3 1 3 open 2 4 closed To use the mini USB port as the
9. ment for the K70 SOM System On Module 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 K70 SOM board 2 SOM BSB baseboard 3 Mini USB cable 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 1A schem pdf SOM BSB schematics in PDF format 2 SOM BSB 1A bom x1s SOM BSB Bill Of Materials BOM in Excel format 3 K70 SOM IntLib Altium Designer 9 4 integrated library for the K70 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 u boot bin prebuilt U Boot file in the format suitable for installation into embedded Flash of Cortex M4 on the K70 SOM board 2 networking ulmage prebuilt kernel image ready to be loaded to the K70 SOM board 3 linux K70 1 8 0 tar bz2 Linux Kinetis software development environment including a U Boot firmware b Linux kernel c busybox and other target components d Linux hosted cross development environment e Framework for developing multiple p
10. netis series Cortex M4 Freqs SYSTICK 120MHz CCLK 120MHz PCLK 60MHz MACCLK 50MHz Board K70 SOM Rev 1 A www emcraft com DRAM 64 MB NAND 128 MiB Bad block table found at page 65472 version 0x01 Bad block table found at page 65408 version 0x01 In serial Out serial Err serial Net FECO Hit any key to stop autoboot 0 70 SOM gt 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 K70 SOM board This is how you can write the current U Boot environment to the external Flash K70 SOM gt saveenv Saving Environment to NAND K70 SOM gt 5 2 Ethernet MAC Address In Linux Kinetis 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 K70 SOM gt printenv ethaddr ethaddr C0 B1 3C 88 88 88 K70 SOM gt The K70 SOM board comes with ethaddr set to a MAC address uniquely allocated for the specific board Given that each K70 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 Linux Kinetis BSP Guide for the 7 11 Release 1 8 0 Emcraft Systems K70 SOM Board Emcraft Systems 5 3 Network Configuration You will have to update the network configuration of your bo
11. other storage with no operator intervention Persistent environment in Flash for customization of target operation Sophisticated command interface for maintenance and development of the target Linux O uClinux kernel v2 6 33 Boot from compressed and uncompressed images Ability to run critical kernel code from integrated Flash of Kinetis Serial device driver and Linux console Ethernet device driver and networking ping NFS Telnet FTP ntpa etc busybox v1 17 POSIX pthreads Process to kernel and process to process protection using the Memory Protection Unit MPU of the Kinetis core Hardened exception handling an exception triggered by a process affects only the offending process Loadable kernel modules Secure shell ssh daemon Web server Linux Kinetis BSP Guide for the 4 11 Release 1 8 0 Emcraft Systems K70 SOM Board Emcraft Systems o MTD based Flash partitioning and persistent JFFS2 Flash file system for external Flash o Device driver for the DMA interface o Device driver for the USB host interface o Framebuffer device driver o Touchscreen device driver e Development tools o ARMv 7 optimized GNU toolchain from CodeSourcery 2010q1 is used for development of U Boot Linux and user space applications toolchain must be downloaded separately from the CodeSourcery web site o Cross GDB for debugging user space applications o mkimage tool used by the Linux kernel build process
12. power source 4 3 Board Connections To power the SOM BSB baseboard with the K70 SOM up simply connect it to a PC notebook by plugging a mini USB cable into the P1 mini USB connector on the SOM BSB board As soon as the connection to the PC has been made the on board LED Ds2 should lit indicating that the board is up and running Linux Kinetis BSP Guide for the 6 11 Release 1 8 0 Emcraft Systems K70 SOM Board Emcraft Systems On the PC side the USB link provides a serial console device to the board The Linux Kinetis software installed on the board is configured for a 115 2Kb 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 10 100 Ethernet connector 4 4 Extension Interfaces For description of the extension interfaces provided by the Emcraft Systems K70 SOM board refer to Emcraft Systems K70 SOM System On Module Hardware Architecture For description of the extension interfaces provided by the Emcraft Systems K70 SOM SOM BSB baseboard refer to Emcraft Systems SOM BSB Hardware Architecture 5 K70 SOM Board Software Set up 5 1 U Boot Environment When the K70 SOM board is reset U Boot comes up from the built in Flash printing the following output to the serial console USEC M2 01 0 20S lkimusx corte ms S Oy Ol ES ds 310 CPU Freescale Ki
13. r details Linux Kinetis BSP Guide for the 11 11 Release 1 8 0 Emcraft Systems K70 SOM Board
14. rojects embedded applications from a single installation including sample projects allowing to kick start software development for Linux Kinetis Linux Kinetis BSP Guide for the 3 11 Release 1 8 0 Emcraft Systems K70 SOM Board Emcraft Systems 2 4 Downloadable Documentation Materials The following documentation materials are available for download from Emcraft s web site to customers of this product 1 3 k70 som ha pdf Emcraft Systems K70 SOM System On Module Hardware Architecture k70 som bsb ha pdf Emcraft Systems K70 SOM SOM BSB Hardware Architecture linux cortexm um 1 8 0 pdf Linux Cortex M User s Manual linux K70 SOM bspg 1 8 0 paf Linux Kinetis BSP Board Support Package Guide for the Emcraft Systems K70 SOM Board this document Software Functionality 3 1 Supported Features The following list summarizes the features and capabilities of Linux Kinetis Release 1 8 0 U Boot firmware O Oo O O O U Boot v2010 03 Target initialization from power on reset Runs from the internal eNVM and internal SRAM no external memory required for standalone operation Serial console Ethernet driver for loading images to the target Serial driver for loading images to the target Device driver for built in Flash eNVM and self upgrade capability Device driver for storing environment and Linux images in external Flash Autoboot feature allowing boot of OS images from Flash or
15. t the 20 pin Standard ARM JTAG cable from the SOM BSB board and re plug the mini USB cable into the SOM BSB board 6 Further Materials Refer to Emcraft Systems K70 SOM System On Module Hardware Architecture for detailed information on the hardware architecture of the Emcraft Systems K70 SOM board Refer to Emcraft Systems SOM BSB Hardware Architecture for detailed information on the hardware architecture of the Emcraft Systems SOM BSB baseboard Refer to Linux Cortex M User s Manual for detailed information on the software architecture of the Linux Kinetis distribution Linux Kinetis BSP Guide for the 10 11 Release 1 8 0 Emcraft Systems K70 SOM Board Emcraft Systems Visit Emcraft Systems web site at www emcraft com to obtain additional materials related to Linux Kinetis 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 6 months since the product purchase e Free upgrade to new releases of the downloadable materials included in the product during 6 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 fo
16. to create a Linux image bootable by U Boot e Development environment o Linux hosted cross development environment o Development of multiple projects embedded applications from a single installation o hello sample project Hello world single process configuration o networking sample project basic shell networking and Flash management tools demonstration o 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 Provide optimal RAM timings for the K70 SOM ID RT 78138 2 Develop a device driver for the USB HS host interface for Linux Kinetis K70 ID RT 79374 3 Enable tickless kernel CONFIG _NO_ HZ ID RT 79812 4 Validate support for USB based WiFi connectivity in Linux Kinetis K70 ID RT 78101 5 Validate support for GPIO LEDs and pushbuttons in Linux Kinetis K70 ID RT 78101 3 3 Known Problems amp Limitations This section lists known problems and limitations of this release 1 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 2 No support for hardware FPU on Cortex M4 ID RT 76490 Workaround Float point
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