Unlocking the Features for the TWR-MPC5125-KIT
Contents
1. 5 3 Changing the Default Serial Port to the TWR SER 8 Using Both CAN Ports on the TWR MPC5125 KIT 8 6 1 TWR MPC5125 Configuration Options for CAN2 9 6 2 TWR SER Configuration Options for CAN1 9 6 3 Testing the CAN Interfaces Using MQX RTOS 9 Document Revision History 0 000 9 oF 2 freescale semiconductor MPC5125 Tower Kit Modules 2 MPC5125 Tower Kit Modules 2 1 TWR MPC5125 Microprocessor Module The TWR MPC5125 features the MPC5125 a cost and power consumption optimized industrial networking automotive and human machine interface solution The MPC5125 provides numerous communication peripherals at a competitive price and delivers ultra low power without sacrificing performance MPC5125 microprocessor highlights e e300c4 Power Architecture core running at 400 MHz e Display interface supporting up to WXGA 720 p 24 bit color e Up to two 10 100 Ethernet media access controller MAC e Up to two USB 2 0 on the go OTG controller e Up to four CAN 2 0A B modules e Up to two SD SDIO expansion slots TWR MPC5125 Tower module features e 4 GB of MLC NAND Flash memory e 256 MB of DDR2 SDRAM memory e HDMI port with HDMI DVI adaptor e USB2 0 OTG host device port e On board microphone and audio stereo out jack e 10 100 BaseT Ethernet port e CAN 2 0 A B port e SD card interface 2 2 TWR SER Peripheral Module The TWR SER peripheral module provides access to additional Ether2. RoHS compliant and or non Pb free counterparts For further information see http www freescale com or contact your Freescale sales representative For information on Freescale s Environmental Products program go to http www freescale com epp Freescale and the Freescale logo are trademarks of Freescale Semiconductor Inc All other product or service names are the property of their respective owners Freescale Semiconductor Inc 2010 All rights reserved 12s lt freescale semiconductor
3. connected to a network issue the commands ipconfig 0 dhcp ipconfig 1 dhcp To seta static ip addresses 192 168 0 1 and 192 168 0 2 used as examples issue the commands ipconfig 0 staticip 192 168 0 1 255 255 255 0 ipconfig 1 staticip 192 168 0 2 255 255 255 0 Unlocking the Features for the TWR MPC5125 KIT Rev 0 Freescale Semiconductor Using the Serial Port on TWR SER 7 Type ipconfig 1 or ipconfig 0 to view the ethernet port information 8 Also try ping telnet ftp tftp or netstat 5 Using the Serial Port on TWR SER The MPC5125 has ten Programmable Serial Controllers PSCO 9 The PSCs can be configured to support several types of interfaces including UART SPI I2S and AC97 among others There are 4 PSC connections supported on the TWR MPCS5125 e PSCO and PSC2 are designated for SPI and audio support respectively e PSC1 and PSC9 are designated for UART mode e PSC1 provides a UART serial port connection to the MCU Debug Port circuit that converts the connection to USB for communication with a host computer Serial to USB bridge This is the default serial port as described in the Quick Start Guide for TWR MPC5125 e PSC9 is routed to the primary edge connector When configured for UART mode PSC9 can communicate with the RS232 RS485 circuit on the TWR SER board 5 1 Configuring the TWR SER for RS232 Mode To communicate with a standard personal computer serial port make sure the jumpers on the TWR SER
4. 0 Freescale Semiconductor 5 Enabling Both Ethernet Ports on the TWR MPC5125 KIT 4 4 3 3 4 3 4 The two ethernet connections can be made to a network router or hub directly to a host computer or directly together NOTE Direct Ethernet connection between the two Ethernet ports requires a crossover Ethernet cable Direct Ethernet connection to a host computer may require a crossover Ethernet cable depending on the host computer manufacturer Launch the Software Open HyperTerminal or any terminal program of your choice and select Bits per second 115200 Data bits 8 Parity None Stop bits 1 Flow Control None Choose the COM port that the Serial to USB bridge enumerated as See the Quick Start Guide for TWR MPC5125 for details Open CodeWarrior for MobileGT v9 2 C Program Files Freescale Freescale MQX 3 x rtcs examples shell cwmpc92 shell_twrmpc5125 mcp Build and execute the project using the methods described in the MPC5125 MQX RTOS Lab document Send Commands Through the Terminal When the software executes the Shell gt prompt will appear in the HyperTerminal window 1 2 3 Type help for a list of all the shell commands Type help ipconfig for a list of the ethernet commands To initialize FEC1 issue the following command ipconfig 0 init To initialize FEC2 issue the following command ipconfig 1 init To acquire an IP address from the network for each port if
5. 2 Do the same for the TWR SER module Be sure to match the Primary card edge with the Functional Elevator 3 Finally press the Dummy Elevator onto the card edges labeled Secondary Be sure that all boards are connected snugly 4 Enabling Both Ethernet Ports on the TWR MPC5125 KIT The MPC5125 has two integrated Fast Ethernet Controllers FEC1 and FEC2 4 1 Enabling FEC1 FECI is enabled by default and uses the Reduced Media Independent Interface RMIT mode to communicate to the Ethernet transceiver on the TWR MPC5125 module itself The Ethernet port is accessible through the RJ45 jack on the TWR MPC5125 module 4 2 Enabling FEC2 FEC2 signals are multiplexed with USB1 on the MPC5125 Therefore only one of these functions can be selected at a time By default the USB1 function is enabled The TWR MPC5125 module uses demultiplexers to route the signals to the appropriate location depending on what is desired at the time The path of the signals is selected by jumper J27 See Figure 4 1 for details Unlocking the Features for the TWR MPC5125 KIT Rev 0 Freescale Semiconductor 3 Enabling Both Ethernet Ports on the TWR MPC5125 KIT 4 2 1 Configuring TWR MPC5125 To enable FEC2 shunt jumper J27 on the TWR MPC5125 module Remember to later remove J27 if it is desired to re enable USB NOTE At the time of publication the Linux kernel that comes pre loaded on the TWR MPC5125 requires USB 1 to be enabled to boot up Therefore ensur
6. 48 French www freescale com support Japan Freescale Semiconductor Japan Ltd Headquarters ARCO Tower 15F 1 8 1 Shimo Meguro Meguro ku Tokyo 153 0064 Japan 0120 191014 or 81 3 5437 9125 support japan freescale com Asia Pacific Freescale Semiconductor China Ltd Exchange Building 23F No 118 Jianguo Road Chaoyang District Beijing 100022 China 86 10 5879 8000 support asia freescale com For Literature Requests Only Freescale Semiconductor Literature Distribution Center 1 800 441 2447 or 303 675 2140 Fax 303 675 2150 LDCForFreescaleSemiconductor hibbertgroup com Document Number AN4117 Rev 0 07 2010 Information in this document is provided solely to enable system and software implementers to use Freescale Semiconductor products There are no express or implied copyright licenses granted hereunder to design or fabricate any integrated circuits or integrated circuits based on the information in this document Freescale Semiconductor reserves the right to make changes without further notice to any products herein Freescale Semiconductor makes no warranty representation or guarantee regarding the suitability of its products for any particular purpose nor does Freescale Semiconductor assume any liability arising out of the application or use of any product or circuit and specifically disclaims any and all liability including without limitation consequential or incidental damages Typical paramete
7. Freescale Semiconductor Application Note Document Number AN4117 Rev 0 07 2010 Unlocking the Features for the TWR MPC5125 KIT by Maclain Lobdell Austin Texas 1 Introduction The MPC5125 tower module TWR MPC5125 can operate stand alone or within the Freescale Tower System This application note describes how to use the MPC5125 Tower System Kit TWR MPC5125 KIT that includes the TWR MPC5125 TWR SER peripheral module and TWR ELEV connectors The MPC5125 Tower System Kit provides access to additional features of the MPC5125 including a second Ethernet port RS232 RS485 connector and a second CAN port For information on all available Tower System modules go to http www freescale com tower Freescale Semiconductor Inc 2010 All rights reserved 2 Contents INMOGUCHON r ii cscs dae tac ediw des daaees iniata 1 MPC5125 Tower Kit Modules 2 2 1 TWR MPC5125 Microprocessor Module 2 2 2 TWR SER Peripheral Module 2 2 3 TWR ELEV Connector Modules 3 Assembling the System 0 eee ee eee 3 Enabling Both Ethernet Ports on the TWR MPC5125 KIT3 4 Al Enabling FECI case cae isora wie guise 3 42 Enabling FEC scoreann inenen dea oeennedod 3 4 3 Testing Dual Ethernet Using MQX RTOS 5 Using the Serial Porton TWR SER 7 5 1 Configuring the TWR SER for RS232 Mode T 5 2 Changing the Default Serial Port to the TWR SER 7
8. are set for RS232 communication This is the default option See the TWR SER User s Manual for details For RS232 operation e J15 shunt 1 2 e J17 shunt 1 2 e J18 shunt 1 2 e J19 shunt 1 2 5 2 Changing the Default Serial Port to the TWR SER Serial Connector in MQX The BSP_DEFAULT_IO_CHANNEL define can be changed in the MQX Board Support Package BSP To change the default serial port to PSC9 TWR SER 1 Open the BSP project in CodeWarrior 9 2 C Program Files Freescale Freescale MQX 3 x mqx build cwmpc92 bsp_twrmpc5125 mcp Expand the group twrmpc5125 BSP Files Open twrmpc5125 h Inthe DEFAULT MQX INITIALIZATION DEFINITIONS section Change the line nA BW N From define BSP _DEFAULT_IO_CHANNEL MTetyb se Unlocking the Features for the TWR MPC5125 KIT Rev 0 Freescale Semiconductor 7 Using Both CAN Ports on the TWR MPC5125 KIT To define BSP_DEFAULT_IO_CHANNEL ittyj 6 Click the make icon to compile the project 7 Now open your MQX application project and recompile Print statements will now be sent to the RS232 DB 9 Serial port connector on the TWR SER module 5 3 Changing the Default Serial Port to the TWR SER Serial Connector in U Boot See the TWR MPC5125 Users Manual for information on re compiling and flashing U Boot to the board The CONFIG_PSC_CONSOLE define can be changed in the board header file ads5125 h To change the default serial port to PSC9 TWR SER 1 Download U Bo
9. e that the jumper on J27 is OFF if you desire to boot the pre loaded Linux When enabled the FEC2 RMII signals are routed to the primary edge connector that passes them to the TWR SER module via the Elevator connector modules FEC2 communicates to the Ethernet transceiver on the TWR SER module MPC5125 Jumper off Enable USB1 Jumper on Enable FEC2 Figure 4 1 Ethernet FEC2 USB USB1 demultiplexing 4 2 2 Configuring TWR SER for RMII Mode The TWR SER module supports RMII mode with the following jumper settings e Jumper J12 controls the Ethernet PHY configuration Short pins 9 10 to enable RMII mode e Jumper J3 controls which clock is routed to the CLOCKINO signal 25 or 50 Mhz The CLOCKINO signal is available to the other modules in the tower system via the Elevator Unlocking the Features for the TWR MPC5125 KIT Rev 0 4 Freescale Semiconductor Enabling Both Ethernet Ports on the TWR MPC5125 KIT connectors On the TWR MPC5 125 this signal is required for RMII_REF_CLK and the frequency must be 50 Mhz Therefore short pins 2 3 to route the 50 Mhz to CLOCKINO e Jumper J2 controls which clock 25 or 50 Mhz is routed to the Ethernet PHY Short pins 3 4 to route the 50 Mhz clock to the Ethernet PHY 4 2 3 Summary of Settings for Enabling FEC2 TWR MPCS5125 e J27 short 1 2 TWR SER e J12 short 9 10 e J3 short 2 3 e J2 short 3 4 4 3 Testing Dual Ethernet Using MQX RTOS Both Ethernet ports can be te
10. net CAN RS232 485 and USB ports for designers developing with the Freescale Tower System This peripheral module is designed to be combined and used with compatible microprocessor modules such as the TWR MPC5125 TWR SER peripheral module features e RS232 RS485 port e 10 100 BaseT Ethernet port e CAN 2 0 A B port e USB supporting host device and OTG modes This USB connection is not supported by TWR MPC5125 Unlocking the Features for the TWR MPC5125 KIT Rev 0 2 Freescale Semiconductor Assembling the System 2 3 TWR ELEV Connector Modules The TWR ELEV Elevator modules are the basic building block of the Freescale Tower System Designed to connect microcontroller and peripheral modules the Elevator modules provide the power regulation circuitry and structural integrity needed for all configurations of an assembled Tower System TWR ELEV connector module features e Four card edge slots e Standardized bus e Two 80 pin connectors on the outside to support debugging or expansion e Includes power regulation circuitry 3 Assembling the System 1 Press the Primary card edge of the TWR MPC5125 module into any slot on the Functional Elevator connector module NOTE Take care to plug in the Primary card edge into the Functional Elevator The Primary card edge is labeled Primary and typically has a white stripe along the edge The Functional elevator is labeled Functional Elevator and contains power circuitry at the bottom
11. ositions e 1 2 Put CAN transceiver into sleep mode e 3 4 Connect Sleep pin to CAN pin B43 e 5 6 Connect RXD pin to CANRX pin B41 e 7 8 Connect TXD pin to CANTX pin B42 e 9 10 Apply 120 ohm termination resistor For typical operation e Shunt positions 5 6 and 7 8 to connected the CAN signals to the connector Shunt 9 10 if the termination is desired 6 3 Testing the CAN Interfaces Using MQX RTOS To test out the CAN interfaces in MQX 1 Launch CodeWarrior for MobileGT v9 2 2 Open and execute the mscan example project C Program Files Freescale Freescale MQX 3 6 mqx examples can mscan cwmpc92 mscan_twrmpc5125 mcp NOTE Requires the MQX RTOS 3 6 or higher 7 Document Revision History Table 7 1 Document Revision History Rev No Substantive Change s 0 Initial release Unlocking the Features for the TWR MPC5125 KIT Rev 0 Freescale Semiconductor 9 How to Reach Us Home Page www freescale com Web Support http www freescale com support USA Europe or Locations Not Listed Freescale Semiconductor Inc Technical Information Center EL516 2100 East Elliot Road Tempe Arizona 85284 1 800 521 6274 or 1 480 768 2130 www freescale com support Europe Middle East and Africa Freescale Halbleiter Deutschland GmbH Technical Information Center Schatzbogen 7 81829 Muenchen Germany 44 1296 380 456 English 46 8 52200080 English 49 89 92103 559 German 33 1 69 35 48
12. ot 2 Open the file ads5125 h in the include configs directory 3 Scroll down to the Serial console configuration section 4 Change CONFIG_PSC_CONSOLE to 9 5 Therefore to enable PSC9 change From J Serial console configuration xy define CONFIG_PSC_CONSOLE 1 console is on PSC1 if CONFIG_PSC_CONSOLE 1 error CONFIG_PSC_CONSOLE must be 1 endif To j Serial console configuration E define CONFIG_PSC_CONSOLE 9 console is on PSC9 if CONFIG_PSC_CONSOLE 9 error CONFIG_PSC_CONSOLE must be 9 endif 6 Compile and re flash the board using the methods provided in the TWR MPC5125 Users Manual 6 Using Both CAN Ports on the TWR MPC5125 KIT There are two CAN interfaces supported on TWR MPC5125 CAN1 and CAN2 The CAN1 signals are routed to the primary edge connector that passes them to the TWR SER module via the Elevator connector modules CAN1 communicates to the CAN transceiver on the TWR SER module CAN2 signals are routed to the CAN transceiver on the TWR MPC5125 module Unlocking the Features for the TWR MPC5125 KIT Rev 0 8 Freescale Semiconductor Document Revision History 6 1 TWR MPC5125 Configuration Options for CAN2 Jumper J31 enables a 120 ohm termination resistance between the CANH and CANL signals To enable this termination shunt J31 6 2 TWR SER Configuration Options for CAN1 Jumper header J5 selects the modes and signal connections for CAN1 J5 P
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14. sted using the Freescale MQX Real Time Operating System RTOS which is available on the Freescale website at http www freescale com mpc5125 Review the TWR MPC5125 Quick Start Guide for TWR MPC5125 document number MPC512CYMNQSG and MQX RTOS Lab Tutorial document number MPC512MQXTTRL which are available on the Freescale website at http www freescale com webapp sps site prod_summary jsp code TWR MPC5125 KIT 4 3 1 Download and Install the Software The following software is required and can be downloaded from http www freescale com mpc5 125 e Download and install CodeWarrior for MobileGT v9 2 e Download and install the CodeWarrior patch for MPC5125 e Download and install MQX 3 5 1 or later e Download and install the MQX patch for MPC5125 if applicable see Note NOTE A patch is required for the MQX 3 5 1 to support the MPC5125 If MQX 3 5 1 is used then downloading and installing this patch is required 4 3 2 Assemble the MPC5125 Tower Kit and Plug in the Cables 1 Plug in the USB cable from the host computer to the mini usb connector next to the SD card slot This provides the virtual com port connection that the HyperTerminal accesses for communication to the MPC5125 See the Quick Start Guide for TWR MPC5125 for details 2 Plug in an ethernet cable to the RJ45 Ethernet Jack on the TWR SER 3 Plug in an ethernet cable to the RJ45 Ethernet Jack on the TWR MPC5125 Unlocking the Features for the TWR MPC5125 KIT Rev
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