CN108647159A - COMe module high speed serial port configuration methods based on PowerPC T2080 and COMe modules - Google Patents
COMe module high speed serial port configuration methods based on PowerPC T2080 and COMe modules Download PDFInfo
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- CN108647159A CN108647159A CN201810466137.4A CN201810466137A CN108647159A CN 108647159 A CN108647159 A CN 108647159A CN 201810466137 A CN201810466137 A CN 201810466137A CN 108647159 A CN108647159 A CN 108647159A
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- 238000005516 engineering process Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000006870 function Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/10—Program control for peripheral devices
- G06F13/102—Program control for peripheral devices where the programme performs an interfacing function, e.g. device driver
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
- G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4004—Coupling between buses
- G06F13/4022—Coupling between buses using switching circuits, e.g. switching matrix, connection or expansion network
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0002—Serial port, e.g. RS232C
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0026—PCI express
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/38—Universal adapter
- G06F2213/3852—Converter between protocols
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The invention discloses COMe module high speed serial port configuration methods and COMe modules based on PowerPC T2080, are related to COMe processor modules field；Its method includes：Step 1：Booting operation PBL programs obtain RCW values from external memory；Step 2：RCW values are written to the RCW registers of T2080 processors；Step 3：Initialize the configuration that SerDes completes high speed serial port；Its module includes T2080 processors, PCIE switches, ASD controllers and COMe connectors；T2080 processors connect COMe connectors after connecting PCIE switches by PCIE buses, T2080 processors also connect the low-speed interface on COMe connectors by ASD controllers, T2080 processors also connect the high speed serial port on COMe connectors by PCIE buses, and T2080 processors include the RCW registers being provided with for realizing software configuration high speed serial port；The present invention solves the problems, such as that existing module interface is few and interface type fixation causes its using flexible poor, has reached expansion interface, has simplified hardware design, improve the using flexible of module and the effect of reliability.
Description
Technical field
The present invention relates to COMe processor modules field, the COMe module high speeds for being based especially on PowerPC T2080 are gone here and there
Row mouth configuration method and COMe modules.
Background technology
PowerPC T2080：The high performance processor of NXP companies；COMe：COM Express are that International Industry is electrically assisted
It can be the computer module standard that PICMG is defined；TYPE7：A kind of new interface standard in COMe specifications.
SerDes is the abbreviation of serializer/de-serializers, it is that a kind of time division multiplexing TDM, the serial of point-to-point P2P lead to
Letter technology；High-speed serial signals are converted into transmitting terminal multi-path low speed parallel signal, by transmission media, in receiving terminal high speed
Serial signal is re-converted into speed parallel signals；This point-to-point serial communication technology makes full use of the channel of transmission media
Capacity, reduces required transmission channel and device pin number, the transmission speed of promotion signal, to substantially reduce communication at
This.Bootstrap before the startup of PBL (pre-boot loader) system obtains RCW or initialization command again from external memory
The program of the interfaces such as configuration or initialization SerDes, I2C, SPI.
The Type7 modules of COMe be presently mainly use Intel processor, Type7 processor modules are small, structure can
It leans on and with abundant PCIE interfaces and 10,000,000,000 network interfaces, the server rank platform big suitable for data volume and network transmission volume
Or the application in terms of computation-intensive and the Internet of Things of limited space；Built-in field requires small size to need to simplify power supply
Continuation of the journey needs the factors such as low-power consumption when partly, requiring long, although the process performance of Intel processor is powerful, it is because of power consumption
Height is suitable for application in built-in field；Existing embeded processor T2080, performance are slightly inferior to Intel processor, but net
It is low in energy consumption to have higher process performance, major advantage than Intel processor in terms of network processing, is suitably applied in embedded neck
Domain；But T2080 peripheral interfaces are few, need to extend a large amount of interfaces on limited PCB space, therefore it is not easy to be designed as
TYPE7 modules.Meanwhile existing TYPE7 modules high-speed interface is few, interface type is fixed, and causes the flexibility that it is used poor, because
This needs a kind of rich interface and easy Configuration Type, Type7 modules low in energy consumption.
Invention content
It is an object of the invention to：The present invention provides the COMe module high speed serial ports based on PowerPC T2080 to match
Method and COMe modules are set, solves that existing module interface is few and interface type is fixed leads to asking for its using flexible difference
Topic.
The technical solution adopted by the present invention is as follows：
A kind of COMe module high speed serial port configuration methods based on PowerPC T2080, include the following steps：
Step 1：Booting operation PBL programs obtain RCW values from external memory；
Step 2：RCW values are written to the RCW registers of T2080 processors；
Step 3：Initialize the configuration that SerDes completes high speed serial port.
Preferably, the write-in of RCW values specifically includes in the step 2：RCW values be 1 configuration 1 PCIE x4,1 PCIEx1,
2 SATA interfaces, RCW values are 22 PCIE x4 interfaces of configuration, and RCW values are 32 SRIOx4 interfaces of configuration.
A kind of COMe modules based on PowerPC T2080, including T2080 processors, PCIE switch, ASD controllers and
COMe connectors；The T2080 processors connect COMe connectors, the T2080 after connecting PCIE switches by PCIE buses
Processor also connects the low-speed interface on COMe connectors by ASD controllers, and the T2080 processors also pass through PCIE buses
The high speed serial port on COMe connectors is connected, the T2080 processors include being provided with to go here and there for realizing software configuration high speed
The RCW registers of row mouth.
Preferably, the COMe connectors include COMe connector A-B and COMe connector C-D, the T2080 processors
The high-speed interface on 1 road PCIEx4 buses connection COMe connectors A-B is provided, T2080 processors provide 2 road PCIEx4 buses warps
Connection COMe connectors A-B, T2080 processor provides 1 road PCIEx4 buses and draws via PCIE switches after being drawn by PCIE switches
COMe connectors C-D is connected after going out；The T2080 processors connect after also connecting ASD controllers by LOCALBUS buses
The low-speed interface of COMe connectors A-B.
Preferably, further include memory DDR3, kilomega network PHY, FLASH and eMMC, the T2080 processors pass through kilomega network
PHY is separately connected the gigabit network interface on COMe connector A-B and COMe connectors C-D, and the T2080 processors are also connected with interior
DDR3 is deposited, the ASD controllers are also connected with FLASH and eMMC.
Preferably, the ASD controllers include CAN controller, serial ports controller, selector and GPIO controllers, described
CAN controller and serial ports controller are separately connected serial ports/CAN interface in connection low-speed interface after selector, the GPIO controls
Device processed connects the GPIO interface in vulgar interface, and the CAN controller, serial ports controller and GPIO controllers pass through
LOCALBUS buses connect T2080 processors and realize extension low-speed interface.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1. the present invention uses software configuration change high speed by adding the RCW registers of the T2080 processors of multiple interfaces
The type of serial port flexibly changes the type of high speed serial port while adding interface, solve existing module interface it is few and
Interface type fixes the problem for leading to its using flexible difference, has reached expansion interface, simplifies hardware design, improves making for module
With the effect of flexibility and reliability；
2. the present invention combines embeded processor T2080, PCIE switch and ASD controllers, different positions are provided and managed
Wide PCIE interfaces, structure low-power consumption, multiplex roles Type7 modules；Solve the existing Type7 moulds based on intel processors
Block power consumption is big, embeded processor T2080 interfaces it is few to lack the Type7 modules more than low in energy consumption and interface the problem of, reach
The effect for reducing cost while Type7 modules more than structure low-power consumption, interface, increasing reliability；
3. the module of the present invention realizes the extension of distinct interface by the way that ASD controllers are arranged, using external control signal control
System and selection Interface Expanding type, increase the flexibility ratio of module interface, ensure that the reliability of interface.
Description of the drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein：
Fig. 1 is flow chart of the method for the present invention；
Fig. 2 is the modular system block diagram of the present invention；
Fig. 3 be the present invention module in ASD controllers system block diagram.
Specific implementation mode
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
It elaborates with reference to Fig. 1-3 couples of present invention.
Embodiment 1
COMe module high speed serial port configuration methods based on PowerPC T2080, include the following steps：
Step 1：Booting operation PBL programs obtain RCW values from external memory；
Step 2：RCW values are written to the RCW registers of T2080 processors；
Step 3：Initialize the configuration that SerDes completes high speed serial port.
The write-in of RCW values specifically includes：RCW values are 11 PCIE x4 of configuration, 1 PCIEx1,2 SATA interfaces, RCW values
For 22 PCIE x4 interfaces of configuration, RCW values are 32 SRIOx4 interfaces of configuration.
Software configuration high speed serial port is configured by RCW, is posted by adding the RCW of T2080 processors of multiple interfaces
Storage uses the type of software configuration change high speed serial port, flexibly changes the type of high speed serial port while adding interface,
It solves the problems, such as that existing module interface is few and interface type fixation causes its using flexible poor, has reached increase number of ports
Amount flexibly changes the type of interface, improves the effect of the using flexible of module.
Embodiment 2
COMe modules based on PowerPC T2080, including T2080 processors, PCIE switch, ASD controllers and COMe
Connector；T2080 processors connect COMe connectors after connecting PCIE switches by PCIE buses, and T2080 processors also pass through
ASD controllers connect the low-speed interface on COMe connectors, and T2080 processors are also connected by PCIE buses on COMe connectors
High speed serial port, T2080 processors include the RCW registers being provided with for realizing software configuration high speed serial port.
COMe connectors include 1 road PCIEx4 of COMe connector A-B and COMe connector C-D, T2080 processors offer total
Line connects the high-speed interface on COMe connectors A-B, and T2080 processors provide 2 road PCIEx4 buses and switch extraction via PCIE
Connection COMe connectors A-B, T2080 processor provides connection COMe after 1 road PCIEx4 buses are drawn via PCIE switches and connects afterwards
Meet device C-D；T2080 processors are also connect by the low speed of connection COMe connectors A-B after LOCALBUS buses connection ASD controllers
Mouthful.
Further include memory DDR3, kilomega network PHY, FLASH and eMMC, T2080 processors are separately connected by kilomega network PHY
Gigabit network interface on COMe connector A-B and COMe connectors C-D, T2080 processors are also connected with memory DDR3, ASD control
Device is also connected with FLASH and eMMC.
ASD controllers include CAN controller, serial ports controller, selector and GPIO controllers, CAN controller and serial ports
Controller is separately connected serial ports/CAN interface in connection low-speed interface, GPIO controllers after selector and connects in vulgar interface
GPIO interface, it is real that CAN controller, serial ports controller and GPIO controllers connect T2080 processors by LOCALBUS buses
Now extend low-speed interface.GPIO controllers in ASD controllers also connect Nor FLASH, ASD controls by the way that FLASH interfaces are arranged
Device processed is additionally provided with other controllers, and selector connects the selection that other controllers realize other control signals, other controllers
The control signaling interface or custom interface in low-speed interface are connected, other controllers also set up eMMC interfaces connection eMMC；It is whole
The low-speed interface of a module includes USB interface, I2C interface, SPI interface, GPIO interface, serial ports/CAN interface etc.；ASD controllers
The model ASD0079 of use is responsible for guiding the switch electricity of whole system and the expanded function of interface, be controlled by outside
The selection of signal control selections device ensures the same of interface quantity using serial interface or CAN interface compared with existing fixed interface
When also improve the flexibility ratio and stability of module interface；T2080 processors draw PCIEx4 by software configuration at
SRIOx4, the SATA interface drawn is by software configuration at SRIOx4；Software configuration multiple interfaces are used in expansion interface
Type simplified hardware design reduces cost, increases reliability and increases the flexibility of module.The present invention is by embeded processor
T2080, PCIE are switched and ASD controllers combine, and provide and manage the PCIE interfaces of different bit wides, structure low-power consumption, multiplex roles
Type7 modules；Solve that the existing Type7 module dissipations based on intel processors are big, embeded processor T2080 interfaces
It is few to lack the Type7 modules more than low in energy consumption and interface the problem of, reached structure low-power consumption, the Type7 modules more than interface
While reduce cost, increase reliability effect.
Claims (6)
1. the COMe module high speed serial port configuration methods based on PowerPC T2080, it is characterised in that：Include the following steps：
Step 1：Booting operation PBL programs obtain RCW values from external memory；
Step 2：RCW values are written to the RCW registers of T2080 processors；
Step 3：Initialize the configuration that SerDes completes high speed serial port.
2. the COMe module high speed serial port configuration methods according to claim 1 based on PowerPC T2080, feature
It is：The write-in of RCW values specifically includes in the step 2：RCW values are 11 PCIE x4 of configuration, 1 PCIEx1,2 SATA connect
Mouthful, RCW values are 22 PCIE x4 interfaces of configuration, and RCW values are 32 SRIOx4 interfaces of configuration.
3. the COMe modules based on PowerPC T2080, it is characterised in that：Including T2080 processors, PCIE switches, ASD controls
Device and COMe connectors；The T2080 processors connect COMe connectors after connecting PCIE switches by PCIE buses, described
T2080 processors also connect the low-speed interface on COMe connectors by ASD controllers, and the T2080 processors also pass through
PCIE buses connect the high speed serial port on COMe connectors, and the T2080 processors include being provided with to match for realizing software
Set the RCW registers of high speed serial port.
4. the COMe modules according to claim 3 based on PowerPC T2080, it is characterised in that：The COMe connections
Device includes COMe connector A-B and COMe connectors C-D, and the T2080 processors provide 1 road PCIEx4 buses connection COMe and connect
The high-speed interface on device A-B is connect, T2080 processors provide connection COMe after 2 road PCIEx4 buses are drawn via PCIE switches and connect
It connects device A-B, T2080 processor and connection COMe connectors C-D after 1 road PCIEx4 buses are drawn via PCIE switches is provided；It is described
T2080 processors also connect the low-speed interface of connection COMe connectors A-B after ASD controllers by LOCALBUS buses.
5. the COMe modules according to claim 3 based on PowerPC T2080, it is characterised in that：It further include memory
DDR3, kilomega network PHY, FLASH and eMMC, the T2080 processors are separately connected COMe connectors A-B by kilomega network PHY
With the gigabit network interface on COMe connectors C-D, the T2080 processors are also connected with memory DDR3, and the ASD controllers also connect
Meet FLASH and eMMC.
6. the COMe modules according to claim 3 based on PowerPC T2080, it is characterised in that：The ASD controllers
Including CAN controller, serial ports controller, selector and GPIO controllers, the CAN controller and serial ports controller are separately connected
Serial ports/CAN interface in low-speed interface is connected after selector, the GPIO controllers connect the GPIO interface in vulgar interface,
The CAN controller, serial ports controller and GPIO controllers connect T2080 processors by LOCALBUS buses and realize extension
Low-speed interface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810466137.4A CN108647159B (en) | 2018-05-16 | 2018-05-16 | High-speed serial port configuration method of COMe module based on PowerPC T2080 and COMe module |
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| CN201810466137.4A CN108647159B (en) | 2018-05-16 | 2018-05-16 | High-speed serial port configuration method of COMe module based on PowerPC T2080 and COMe module |
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2018
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