Texas Instruments XIO3130 EVM User's Manual
Contents
1. PCIE GPIO14 CTL 100b Port 3 ACT LED2 Setting these bits configures LED1 as activity LED for port 1 LED2 as activity LED for port2 and LED3 as activity LED for port 3 Anytime a TLP is transferred to or from the slot the activity LED will flash LEDs 4 and 5 are nonfunctional in normal mode pressing the push buttons has no effect on the XIOS3130 CLKREQ1 and CLKREQ2 are routed across the ribbon cable to the TPS2231 When plugging in ExpressCards be careful not to pull the adapter board out of the PCle socket Grab a hold of the upper right hand corner of the adapter board while sliding the ExpressCard into the socket Slide the ExpressCard all the way in until it clicks in place After releasing the card it will spring back a little To remove the ExpressCard again grab a hold of the upper right hand corner of the adapter board push the card into the socket until it clicks and then gently remove the card The spring will push the card out of the socket Do not pull the ExpressCard out of the socket always push in and let the spring push the card out 1 5 Using WinROM to Configure the EEPROM WinROM is a Tl developed EEPROM programming utility that runs on Windows XP or Vista operating system WinROM can be used to program the EEPROM U3 on the XIO3130 EVM To use the utility install it on the system that contains the XIO3130 EVM Double click the WinROM icon to start the program A dialog box opens that shows all the TI controller2. SLLU108 July 2008 Submit Documentation Feedback I TEXAS INSTRUMENTS www ti com ExpressCard Mode operation e General control register PCI register offset D4h in port 1 and port 2 downstream bridges RCVR_PRSNT_EN Ob PRSNT pin is used to determine whether slot is present REFCK_DIS 0b REFCK enabled LINK ACT RPT CAP 1b Slot is link active reporting capable SLOT PFIP 1b Power fault input implemented SLOT PRSNT 1b Port connected to slot SLOT ABP 1b Attention button implemented SLOT PCP 1b Power controller implemented SLOT AIP 1b Attention indicator implemented SLOT PIP 1b Power indicator implemented SLOT HPS 1b Device present that can be removed without prior notification SLOT HPC 1b Slot is hot plug capable RC PF CTL 1b REFCK output enable is a function of PWR FAULT e General control register PCI register offset D4h in port 3 downstream bridge RCVHRH PHRSNT EN Ob PRSNT pin is used to determine whether slot is present HEFCK DIS 0b REFCK enabled LINK ACT RPT CAP 1b Slot is link active reporting capable SLOT PRSNT 1b Port connected to slot e General slot info register PCI register offset EEh in each downstream bridge SLOT NUM 1b for slot 1 2b for slot 2 and 3b for slot 3 1 4 ExpressCard Mode operation For this mode of operation the ExpressCard adapter board is used in conjunction with the XIO3130 EVM board This a
3. 1 1 TEXAS SLLU108 July 2008 INSTRUMENTS XIO3130 EVM Overview The Texas Instruments XIO3130 EVM is a functional implementation of a four port PCle to PCle switch The XIOS3130 EVM was designed to allow validation of three separate functional modes In normal mode the EVM is configured as a generic PCI Express PCle switch In hot plug mode downstream ports 1 and 2 are configured as hot pluggable slots In ExpressCard mode all three downstream ports are configured to support the ExpressCard adapter board The different functional modes are discussed later in this document Figure 1 1 shows the EVM board There are various jumpers dipswitches push buttons and LEDs to support the various functional modes For the board to operate power must be applied via the peripheral power connector located to the right side of the board Endpoints can be plugged directly into any one or all of the downstream ports The upstream edge connector can be plugged into any PCle slot ona motherboard Once the EVM with attached endpoints is plugged into a PCle motherboard and power is provided to the EVM nothing else needs to be done in order for the EVM to operate The two LEDs in the upper right hand corner light up when power is applied to the peripheral power connector Tv T ae TTT aa Hes Is hom he DL de i a h d T pie Ep TEXAS INSTRUMENTS ET F HOMID BOARD xj Figure 1 1 EVM Board SLLU108 July 2008 XIO3130 EVM 1
4. ER FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES TI currently deals with a variety of customers for products and therefore our arrangement with the user is not exclusive Tl assumes no liability for applications assistance customer product design software performance or infringement of patents or services described herein Please read the User s Guide and specifically the Warnings and Restrictions notice in the User s Guide prior to handling the product This notice contains important safety information about temperatures and voltages For additional information on Tl s environmental and or safety programs please contact the TI application engineer or visit www ti com esh No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine process or combination in which such TI products or services might be or are used FCC Warning This evaluation board kit is intended for use for ENGINEERING DEVELOPMENT DEMONSTRATION OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end product fit for general consumer use It generates uses and can radiate radio frequency energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC rules which are designed to provide reasonable protection against radio frequency interference Operation of this equipment in other environments may cause interference with ra
5. IO3130 will show us as four PCI to PCI bridges Look for the TI icon next PCI PCI bridge TI see Figure 1 15 SLLU108 July 2008 XIOS3130 EVM 11 Submit Documentation Feedback 13 TEXAS INSTRUMENTS Using the TopHAT Utility www ti com File rm raion Inok Hep ES S x wet E Bae PCV PCI bndge uL F a i tis H d Bus 09 B ei PCI PCI bridge BW PCI Registers E Ramee ter E Figure 1 15 TopHAT 12 XIO3130 EVM SLLU108 July 2008 Submit Documentation Feedback la TEXAS INSTRUMENTS www ti com Using the TopHAT Utility TopHAT parses the PCI configuration space looking for any capability structure If it finds a capability structure a new icon and description of the capability will show under the device For example under the XIO3130 PCI PCI bridge TI entry a capability for Power Management Capability Structure is shown with a PM icon Double clicking any of the capabilities opens a new dialog box Some dialog boxes have tabs that display more information about the capability Figure 1 16 shows the contents of the Slot Info tab for the PCI Express Capability Structure e PCI Express cs PCI bus 6 device 0 functi PCI Register Offset i030 ess Info Device Info Link Info 5 Slot Capabilities Attention Button Pressed Power Controller Pre Power Fault Detected MRL Sensor Present MRL Sensor Changed l Power Indicator Pres Yes Presence Detect Changed W Hot Plug Sur
6. Submit Documentation Feedback la TEXAS INSTRUMENTS Normal Mode Operation www ti com 1 2 Normal Mode Operation By default the EVM should be configured to operate in normal mode The six jumpers J7 J11 J13 J14 J15 and J16 should be covering both pins of each header see Figure 1 2 m 2 2 P am Figure 1 2 Power Jumpers The dipswitch should be configured with SCL slide switch in the up position and DN1 DPSTRP DN2 DPSTRP and DN3 DPSTRP slide switches in the down position see Figure 1 3 This configuration enables the EEPROM and disables hot plug operation Figure 1 3 Dipswitch Configuration The EEPROM U3 should also be preconfigured for normal mode operation See Section 1 5 for an explanation of how to configure the EEPROM Upon deassertion of PERST the XIO3130 automatically reads data from the EEPROM This data is used to preset various PCI configuration register bits For normal mode operation the data in the EEPROM will configure bits in the following registers e GPIO C control register PCI register offset COh in upstream bridge PCIE GPIO12 CTL 010b Port 1 ACT LEDO PCIE GPIO13 CTL 011b Port 2 ACT LED1 PCIE GPIO14 CTL 100b Port 3 ACT LED2 Setting these bits configures LED1 as activity LED for port 1 LED2 as activity LED for port 2 and LED3 as activity LED for port 3 Any time a TLP is transferred to or from the slot the activity LED flashes LEDs 4 and 5 are no
7. VM User s Guide When placing measurement probes near these devices during operation please be aware that these devices may be very warm to the touch Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright 2008 Texas Instruments Incorporated IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries TI reserve the right to make corrections modifications enhancements improvements and other changes to its products and services at any time and to discontinue any product or service without notice Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete All products are sold subject to Tl s terms and conditions of sale supplied at the time of order acknowledgment TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with Tl s standard warranty Testing and other quality control techniques are used to the extent Tl deems necessary to support this warranty Except where mandated by government requirements testing of all parameters of each product is not necessarily performed Tl assumes no liability for applications assistance or customer product design Customers are responsible for their products and applications using Tl components To minimize the risks associated with customer products and applications customers should provide adequate design and oper
8. an be modified using the PCI Registers dialog box A new value can be directly typed into the New Value edit box or entered by pressing any of the bit numbers below the edit box The new register value will not be written until the Write button is pressed Note that by hovering the cursor over the bit numbers a description for the bit appears TopHat has many other features One useful feature is to rescan the PCI bus For example while testing hot plug a user might remove one endpoint device and replace it with another By pressing the rescan button the new device will now be present the PCI hierarchy To rescan the PCI bus press the magnifying glass below the toolbar View fuii iin xem T su ud x e yit US PCI Express Capabiity Structure Message Signaled Intemupt Capability Struct Subsystem ID Capability Structure Figure 1 18 TopHAT Features Trademarks All trademarks are the property of their respective owners 14 XIO3130 EVM SLLU108 July 2008 Submit Documentation Feedback EVALUATION BOARD KIT IMPORTANT NOTICE Texas Instruments TI provides the enclosed product s under the following conditions This evaluation board kit is intended for use for ENGINEERING DEVELOPMENT DEMONSTRATION OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end product fit for general consumer use Persons handling the product s must have electronics training and observe good engineering prac
9. ating safeguards TI does not warrant or represent that any license either express or implied is granted under any TI patent right copyright mask work right or other TI intellectual property right relating to any combination machine or process in which TI products or services are used Information published by TI regarding third party products or services does not constitute a license from TI to use such products or services or a warranty or endorsement thereof Use of such information may require a license from a third party under the patents or other intellectual property of the third party or a license from Tl under the patents or other intellectual property of TI Reproduction of TI information in Tl data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties conditions limitations and notices Reproduction of this information with alteration is an unfair and deceptive business practice TI is not responsible or liable for such altered documentation Information of third parties may be subject to additional restrictions Resale of TI products or services with statements different from or beyond the parameters stated by TI for that product or service voids all express and any implied warranties for the associated TI product or service and is an unfair and deceptive business practice Tl is not responsible or liable for any such statements TI products are not authorized
10. dapter board utilizes the TI TPS2231 power interface switch to switch power on and off to the ExpressCard slot Tl also offers a dual power interface switch called the TPS2236 Figure 1 8 shows the adapter board SLLU108 July 2008 XIOS3130 EVM 5 Submit Documentation Feedback I TEXAS INSTRUMENTS ExpressCard Mode operation www ti com Figure 1 8 ExpressCard Adapter Board To configure the XIO3130 EVM for ExpressCard mode operation connect the ribbon cable connector from J1 on the adapter board to one of the matching connectors J2 J3 or J4 on the XIO3130 EVM board Then plug the adapter board into the adjacent PCle slot as shown in Figure 1 9 It does not matter which PCle slot is used but the ribbon cable must be plugged into the connector just below and to the right of the PCle slot that the adapter board is plugged into 6 XIO3130 EVM SLLU108 July 2008 Submit Documentation Feedback la TEXAS INSTRUMENTS www ti com ExpressCard Mode operation Figure 1 9 EVM Configuration for ExpressCard Mode To configure the XIO3130 EVM for ExpressCard mode operation the six jumpers J7 J11 J13 J14 J15 J16 must be populated see Figure 1 5 This routes power directly to slots 1 and 2 bypassing the TPS2363 which is not required for ExpressCard operation The dipswitch should be configured with SCL DN1 DPSTRP DN2 DPSTRP and DN3_DPSTRP slide switches all in the up position This configuration enables the EEPROM and enables Expr
11. dio communications in which case the user at his own expense will be required to take whatever measures may be required to correct this interference Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright 2008 Texas Instruments Incorporated EVM WARNINGS AND RESTRICTIONS It is important to operate this EVM within the input voltage range of 0 V to 3 6 V or 0 6 V to 0 6 V and the output voltage range of 0 V to 3 6 V or 0 6 V to 0 6 V Exceeding the specified input range may cause unexpected operation and or irreversible damage to the EVM If there are questions concerning the input range please contact a TI field representative prior to connecting the input power Applying loads outside of the specified output range may result in unintended operation and or possible permanent damage to the EVM Please consult the EVM User s Guide prior to connecting any load to the EVM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation some circuit components may have case temperatures greater than 60 C The EVM is designed to operate properly with certain components above 70 C as long as the input and output ranges are maintained These components include but are not limited to linear regulators switching transistors pass transistors and current sense resistors These types of devices can be identified using the EVM schematic located in the E
12. ect from one of the three operating modes supplied with the EVM 103130 H HotPlug Mode X103130 Normal Mode Figure 1 13 Selecting a dat File After the Open button has been pressed a new dialog box opens asking if the user is ready for WinROM to begin flashing the EEPROM After selecting yes WinROM starts flashing the EEPROM with the contents from the file see Figure 1 13 The dat files are text documents that can be modified by the user E 8233104c 8 Bus 06 Figure 1 14 Flashing the EEPROM 10 XIO3130 EVM SLLU108 July 2008 Submit Documentation Feedback la TEXAS INSTRUMENTS www ti com Using the TopHAT Utility Once flashing has completed the contents of the EEPROM now contains the data from the dat file However this data is not yet present in the PCI configuration space of the XIO3130 Once flashing has finished WinROM displays a dialog box reminding the user to power cycle the system Power cycling the system causes the system PERST signal to toggle at which time the XIO3130 reads the data from the EEPROM to the PCI configuration registers Now the XIOS3130 is ready to use in the new operating mode 1 6 Using the TopHAT Utility TopHAT is a Tl developed utility that allows a user to read or write to various registers in a PCI or PCle device Once the utility has been installed double click the TopHAT icon to start the program A dialog box opens to show the entire PCI bus hierarchy The X
13. essCard operation on all three slots To use two of the PCle slots in normal mode operation and one slot for ExpressCard operation two of the DNx_DPSTRP slide switches must be in the down position and the EEPROM needs to be programmed correctly to support this mode of operation By default the ExpressCard mode EEPROM dat file is set up to enable ExpressCard mode operation in any of the PCle slots that disables the other non ExpressCard slots from operating in normal mode SLLU108 July 2008 XIO3130 EVM 7 Submit Documentation Feedback I TEXAS INSTRUMENTS Using WinROM to Configure the EEPROM www ti com The EEPROM U3 will need to be reconfigured for ExpressCard mode operation See Section 1 5 for an explanation of how to configure the EEPROM Upon deassertion of PERST the XIOS3130 will automatically read data from the EEPROM This data is used to pre set various PCI configuration register bits For ExpressCard mode operation the data in the EEPROM will configure bits in the following registers e GPIO A control register PCI register offset BEh in upstream bridge PCIE GPIOS3 CTL 010b Port 1 CLKREQO e GPIO B control register PCI register offset COh in upstream bridge PCIE GPIO7 CTL 010b Port 2 CLKREQ1 e GPIO C control register PCI register offset COh in upstream bridge PCIE GPIO11 CTL 010b Port 3 CLKREQ2 PCIE GPIO12 CTL 010b Port 1 ACT LEDO PCIE GPIO13 CTL 011b Port 2 ACT LED1
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15. k 3 la TEXAS INSTRUMENTS Hot Plug Mode Operation www ti com Figure 1 6 Dipswitch Configuration The EEPROM U3 should be reconfigured for hot plug mode operation See Section 1 5 for an explanation of how to configure the EEPROM Upon deassertion of PERST the XIO3130 automatically reads data from the EEPROM This data is used to preset various PCI configuration register bits For hot plug mode operation the data in the EEPROM configures bits in the following registers e GPIO B control register PCI Register offset BEh in upstream bridge PCIE GPIO8 CTL 010b Port 1 ACT BTNO PCIE GPIO9 CTL 100b Port 1 ATN LEDO e GPIO C control register PCI register offset COh in upstream bridge PCIE GPIO10 CTL 011b Port 2 ACT BTN1 PCIE GPIO11 CTL 101b Port 2 PWRFLT1 PCIE GPIO12 CTL 101b Port 1 PWR LEDO PCIE GPIO13 CTL 110b Port 2 PWR LED 1 e GPIO D control register PCI register offset C2h in upstream bridge PCIE GPIO15 CTL 101b Port 1 PWRFLTO PCIE GPIO16 CTL 011b Port 2 ATN LED1 Setting these bits configures LED1 as PWR LEDO for port 1 and LED2 as PWR LED 1 for port 2 LEDS is not used in hot plug mode LEDs 4 will be configured as ATN LEDO for port 1 and LED5 will be configured as ATN LED 1 for port 2 Push button switch SW2 is the attention button for port 1 and SW3 is the attention button for port 2 Figure 1 7 GPIO Control Register 4 XIO3130 EVM
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17. nfunctional in normal mode pressing the push buttons will have no effect on the XIO3130 2 XIO3130 EVM SLLU108 July 2008 Submit Documentation Feedback I TEXAS INSTRUMENTS www ti com Hot Plug Mode Operation Figure 1 4 GPIO Control Register e General control register PCI register offset D4h in each downstream bridge RCVR_PRSNT_EN Ob PRSNT pin is used to determine whether slot is present REFCK_DIS 0b REFCK enabled LINK ACT RPT CAP 1b Slot is link active reporting capable SLOT PHSNT 1b Port connected to slot e General slot info register PCI register offset EEh in each downstream bridge SLOT NUM 1b for slot 1 2b for slot 2 and 3b for slot 3 1 3 Hot Plug Mode Operation In hot plug mode the EVM board utilizes the TPS2363 PCle server dual slot hot plug controller to switch power on and off to slots 1 and 2 The TPS2363 is directly controlled by the hot plug controller built into the XIO3130 Slot 3 operates in normal mode To configure the EVM for hot plug operation the six jumpers J7 J11 J13 J14 J15 J16 must be removed see Figure 1 5 Figure 1 5 Power Jumpers The dipswitch should be configured with SCL DN1 DPSTRP and DN2 DPSTRP slide switches in the up position and DN3 DPSTRP slide switches in the down position see Figure 1 6 This configuration enables the EEPROM and enables hot plug operation on slots 1 and 2 SLLU108 July 2008 XIO3130 EVM Submit Documentation Feedbac
18. prise Ye doin Capable Command Completed Iv Slot Power Limit Value 1 Can nun MRL Closed Slot Power Limit Scale 1 MRL Sensor State M _ Physical Slot Number 1 Presence Detect State Slot Empty Slot Control Attention Button Pressed Enable Hot Plug Interrupt Enable Power Fault Detected Enable Attention Indicator Control ln MRL Sensor Changed Enable Power Indicator Control OF Presence Detect Changed Enable Power Controller Control PowerOn Command Completed Interrupt Enable 1 Figure 1 16 Slot Info In this example the XIO3130 EVM is operating in hot plug mode as can be seen by looking at the Slot Capabilities table entries TopHAT can be used to exercise the XIO3130 for example selecting blink from the Attention Indicator Control drop down box causes the attention indicator LED on the EVM to blink Note that this dialog box also shows where the capability exists in the PCI configuration space In this example it is at offset 0x090 Clicking the Open Register Access Window opens the PCI Registers dialog box see Figure 1 17 Note that the register where the capability begins is automatically selected in this case at PCI offset 0x090 SLLU108 July 2008 XIOS3130 EVM 13 Submit Documentation Feedback J TEXAS INSTRUMENTS Using the TopHAT Utility www ti com enn esl ioe Ven Undefine New Value Bit Values Figure 1 17 PCI Registers Any bit in the PCI configuration space c
19. s present in the system see Figure 1 10 The X103130 shows four entries in the bus hierarchy one entry reads XIOS3130 and the other three entries read 8322104C Since the EEPROM is only accessible from the upstream bridge the three 8233104C entries are in red 3 Texas Instruments Controllers c4 Bus 05 cB Device QU Ea 00 3130 3 BE Bus 0 amp B Device 00 M B233104c Hg Bus 06 EB Device 01 A 8233104C Figure 1 10 TI Controllers To read the data in the EEPROM double click the XIO3130 entry A new dialog box opens see Figure 1 11 This dialog box allows the user to modify any byte in the EEPROM 8 XIO3130 EVM SLLU108 July 2008 Submit Documentation Feedback 13 TEXAS INSTRUMENTS www ti com Using WinROM to Configure the EEPROM ana 01001100 OO 24 es OO oo be s o0 44 i 0D ra 00 00 res o0 op 00 o0 14 Figure 1 11 EEPROM Data To update the entire EEPROM from a dat file that was provided by TI right click on the XIO3130 entry see Figure 1 12 Select the option Program EEPROM Data From File at Bus 05 xb ee 2 ai Bus e Device lt Bus 06 5 Device Figure 1 12 Updating the EEPROM SLLU108 July 2008 XIO3130 EVM 9 Submit Documentation Feedback 13 TEXAS INSTRUMENTS Using WinROM to Configure the EEPROM www ti com A new dialog box appears that allows the user to select which dat file to use to program the EEPROM see Figure 1 13 Sel
20. tice standards As such the goods being provided are not intended to be complete in terms of required design marketing and or manufacturing related protective considerations including product safety and environmental measures typically found in end products that incorporate such semiconductor components or circuit boards This evaluation board kit does not fall within the scope of the European Union directives regarding electromagnetic compatibility restricted substances RoHS recycling WEEE FCC CE or UL and therefore may not meet the technical requirements of these directives or other related directives Should this evaluation board kit not meet the specifications indicated in the User s Guide the board kit may be returned within 30 days from the date of delivery for a full retund THE FOREGOING WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED IMPLIED OR STATUTORY INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE The user assumes all responsibility and liability for proper and safe handling of the goods Further the user indemnifies TI from all claims arising from the handling or use of the goods Due to the open construction of the product it is the user s responsibility to take any and all appropriate precautions with regard to electrostatic discharge EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE NEITHER PARTY SHALL BE LIABLE TO THE OTH
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