CN214202352U - Terminal based on Loongson platform - Google Patents
Terminal based on Loongson platform Download PDFInfo
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- CN214202352U CN214202352U CN202023280736.9U CN202023280736U CN214202352U CN 214202352 U CN214202352 U CN 214202352U CN 202023280736 U CN202023280736 U CN 202023280736U CN 214202352 U CN214202352 U CN 214202352U
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Abstract
The utility model provides a terminal based on godson platform. The terminal includes: a main board and a keyboard; the mainboard includes: the device comprises a Loongson bridge chip, a CPLD, at least one USB interface and a power supply, wherein the CPLD is respectively and electrically connected with the Loongson bridge chip and the power supply, and the keyboard is electrically connected with one of the at least one USB interface; a first USB wire and a second USB wire are respectively arranged corresponding to each USB interface, two ends of each first USB wire are respectively and electrically connected with the corresponding USB interface and the corresponding CPLD, and two ends of each second USB wire are respectively and electrically connected with the Loongson bridge chip and the CPLD; when the terminal is powered off, the CPLD detects a preset keyboard key signal from the USB interface electrically connected with the keyboard, and controls the Loongson bridge chip and the power supply to start the starting program when detecting the preset keyboard key signal, so that starting can be realized through the USB keyboard key, the operation flexibility of the product is improved, and the user experience of the product is improved.
Description
Technical Field
The utility model relates to a computer technology field especially relates to a terminal based on godson platform.
Background
In recent years, with the rapid development of science and technology, the development of the computer field is changing day by day, and great convenience is brought to the work, study and life of people. The types of computer products are also more and more diversified, and the traditional desktop computer is developed into a notebook computer and an all-in-one computer.
Although the notebook computer and the all-in-one computer are more convenient to use than the desktop computer in some occasions, the notebook computer and the all-in-one computer are still difficult to surpass the desktop computer from the aspect of cost performance, and therefore, the desktop computer still has a large market at present.
Among the prior art, desktop computer start key generally all is located quick-witted case leading panel, if the machine case is placed subaerially, the user need bow to go to press the start key, and experience effect is not good, and the keyboard is located the desktop top, makes the machine start through pressing special combination key, very big improvement experience effect, the technological scheme mature abroad at present that uses the keyboard to start has two kinds: the first is to use PS2 interface keyboard, use desk system or American system I/O chip, such integrated single chip computer controller has PS2 interface, can directly identify key code, send the turn-on signal to the bridge chip to turn on the computer. Secondly, an embedded controller (embedded controller) of ITE or ENE is used for realizing keyboard startup by recognizing USB keyboard brevity codes and matching with a specially-defined USB port, and the mode can only support a specific group of USB ports to use the keyboard to start.
The existing computer products usually adopt chipsets of foreign platforms, and for a long time, the chipsets of the foreign platforms are completely closed in a core technology, so that the core technical principle of the chipsets cannot be deeply mastered, uncontrollable potential safety hazards of technical risks and maintenance exist in product use, the product is seriously imported depending on import, the product is seriously controlled, and the risk that the product cannot be produced due to the fact that the chipsets are out of supply at any time exists. In recent years, through the arrangement of national science and technology development plans, the software and hardware technology of home-made computers makes great breakthrough, such as more representative high-performance processors represented by loongson, feiteng, and shenwei. However, the keyboard boot is not suitable for the home platform, and therefore, a keyboard boot suitable for the home platform needs to be provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a terminal based on godson platform can realize that USB keyboard button is opened, promotes the operational flexibility of product, improves the user experience of product.
In order to achieve the above object, the utility model provides a terminal based on godson platform, include: a main board and a keyboard; the main board includes: the device comprises a Loongson bridge chip, a CPLD, at least one USB interface and a power supply, wherein the CPLD is respectively and electrically connected with the Loongson bridge chip and the power supply, and the keyboard is electrically connected with one of the at least one USB interface;
a first USB wire and a second USB wire are respectively arranged corresponding to each USB interface, two ends of each first USB wire are respectively and electrically connected with the corresponding USB interface and the corresponding CPLD, and two ends of each second USB wire are respectively and electrically connected with the Loongson bridge chip and the CPLD;
the CPLD is used for establishing a data transmission channel between each first USB wire and the corresponding second USB wire when the terminal is started, disconnecting the data transmission channel between each first USB wire and the corresponding second USB wire when the terminal is shut down, detecting a preset keyboard key signal from a USB interface electrically connected with a keyboard, and controlling the Loongson bridge chip and the power supply to start a starting program when the preset keyboard key signal is detected.
The boot program includes: the CPLD sends a starting key signal to the Loongson bridge chip;
after receiving the starting key signal, the Loongson bridge chip sends a starting signal to the CPLD;
after receiving the starting signal, the CPLD sends a power-on time sequence signal to the power supply so as to control the power supply to start to be powered on;
when the CPLD controls the power supply to be electrified, the CPLD sends an electrifying completion signal to the Loongson bridge chip;
and after receiving the power-on completion signal, the Loongson bridge chip sends a power-on completion signal to the CPLD.
The preset keyboard key signal is a key code recognized by the CPLD from the USB interface when a plurality of preset keys on the keyboard are simultaneously pressed.
The terminal based on the Loongson platform further comprises a Loongson processor electrically connected with the Loongson bridge chip.
The Loongson bridge piece is a Loongson 7A1000 bridge piece, the Loongson processor is a Loongson 3A4000 processor, and the CPLD is an Anlu ELF2L45B256B CPLD.
The utility model has the advantages that: the utility model provides a terminal based on godson platform, include: a main board and a keyboard; the main board includes: the device comprises a Loongson bridge chip, a CPLD, at least one USB interface and a power supply, wherein the CPLD is respectively and electrically connected with the Loongson bridge chip and the power supply, and the keyboard is electrically connected with one of the at least one USB interface; a first USB wire and a second USB wire are respectively arranged corresponding to each USB interface, two ends of each first USB wire are respectively and electrically connected with the corresponding USB interface and the corresponding CPLD, and two ends of each second USB wire are respectively and electrically connected with the Loongson bridge chip and the CPLD; the CPLD is used for establishing a data transmission channel between each first USB wire and the corresponding second USB wire when the terminal is started, disconnecting the data transmission channel between each first USB wire and the corresponding second USB wire when the terminal is shut down, detecting a preset keyboard key signal from a USB interface electrically connected with a keyboard, and controlling a Loongson bridge chip and a power supply to start a program when the preset keyboard key signal is detected, so that the USB keyboard key startup can be realized, the operation flexibility of a product is improved, and the user experience of the product is improved.
Drawings
For a better understanding of the features and technical content of the present invention, reference should be made to the following detailed description of the present invention and accompanying drawings, which are provided for the purpose of illustration and description and are not intended to limit the present invention.
In the drawings, there is shown in the drawings,
fig. 1 is a schematic block diagram of a terminal based on a Loongson platform according to the present invention;
fig. 2 is a flowchart of the terminal booting method based on the Loongson platform of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Referring to fig. 1, the present invention provides a terminal based on a Loongson platform, including: a main board 1 and a keyboard 2; the main board 1 includes: a godson bridge plate 11, a Complex Programming Logic Device (CPLD) 12, at least one Universal Serial Bus (USB) interface 13 and a power supply 14, where the CPLD12 is electrically connected to the godson bridge plate 11 and the power supply 14, respectively, and the keyboard 2 is electrically connected to one of the at least one USB interface 13;
a first USB trace 131 and a second USB trace 132 are respectively disposed corresponding to each USB interface 13, two ends of each first USB trace 131 are respectively electrically connected to the corresponding USB interface 13 and CPLD12, and two ends of each second USB trace 132 are respectively electrically connected to the Loongson bridge piece 11 and the CPLD 12;
the CPLD12 is configured to establish a data transmission channel between each first USB trace 131 and the corresponding second USB trace 132 when the terminal is powered on, disconnect the data transmission channel between each first USB trace 131 and the corresponding second USB trace 132 when the terminal is powered off, detect a preset keyboard key signal from the USB interface 13 electrically connected to the keyboard 2, and control the Loongson bridge 11 and the power supply 14 to start a power-on program when the preset keyboard key signal is detected.
Specifically, the boot program includes: the CPLD12 sends a startup key signal to the Loongson bridge chip 11;
after receiving the boot key signal, the Loongson bridge chip 11 sends a boot signal to the CPLD 12;
after receiving the power-on signal, the CPLD12 sends a power-on timing signal to the power supply 14 to control the power supply 14 to start power-on;
when the CPLD12 controls the power supply 14 to be powered on, the CPLD12 sends a power-on completion signal to the Loongson bridge piece 11;
after receiving the power-on completion signal, the Loongson bridge chip 11 sends a power-on completion signal to the CPLD 12.
Further, when the terminal is powered off, the Loongson bridge chip 11 sends an off signal to the CPLD12, and when the CPLD12 recognizes the off signal, the data transmission channel between each first USB trace 131 and the corresponding second USB trace 132 is disconnected, so as to obtain the control right of each USB interface 13 again, so as to facilitate the subsequent terminal powering on through the keyboard keys.
Specifically, the preset keyboard key signal is a key code recognized by the CPLD12 from the USB interface 13 when a plurality of preset keys on the keyboard 2 are pressed simultaneously.
Specifically, the terminal based on the Loongson platform further comprises a Loongson processor 15 electrically connected with the Loongson bridge chip 11.
Specifically, the Loongson bridge piece 11 is a Loongson 7A1000 bridge piece, the Loongson processor 15 is a Loongson 3A4000 processor, and the CPLD12 is an Anlu ELF2L45B256B CPLD.
For example, in some embodiments of the present invention, the specific process of the terminal booting through the keyboard key based on the loongson platform is as follows:
first, the user presses a preset power-on key, for example: ctrl + Shift + ALT + B;
then, the CPLD12 recognizes the key code corresponding to the pressed key by analyzing the USB HID protocol, and when the recognized key code is consistent with the preset keyboard key signal, it simulates to send a Power _ button signal to the Loongson bridge chip 11, that is, sends a Power _ button signal to the Loongson bridge chip 11;
then, the Loongson bridge chip 11 receives the power-on key signal, and sends a power-on signal to the CPLD12, that is, sends a SLP _ S3 signal with high potential to the CPLD 12;
subsequently, the CPLD12 receives the power-on signal, and sends a power-on timing signal to the power supply 14 to control the power supply 14 to start to power on;
then, when the CPLD12 controls the power supply 14 to be powered on, the CPLD12 sends a power-on completion signal to the Loongson bridge piece 11, that is, sends a 7A _ PWOK signal to the Loongson bridge piece 11;
then, the Loongson bridge chip 11 receives the 7A _ PWOK signal, and sends a startup completion signal to the CPLD12, namely sends a PLT _ RST signal to the CPLD 12;
finally, after receiving the power-on completion signal, the CPLD establishes a data transmission channel between each first USB trace 131 and its corresponding second USB trace 132, so as to transfer the control right of each USB interface 13 to the Loongson bridge chip 11, so that each USB interface 13 can be normally used when the computer is powered on.
In addition, when the terminal is powered off, the Loongson bridge chip 11 sends a power-off signal to the CPLD12, that is, sends a SLP _ S3 signal with a low potential to the CPLD 12;
subsequently, when the CPLD12 recognizes the power-off signal, the CPLD12 disconnects the data transmission channel between each first USB trace 131 and the corresponding second USB trace 132, and regains the control right of each USB interface 13, so as to realize the terminal power-on through the keyboard keys in the following process.
It should be noted that, in the terminal based on the loongson platform of the present invention, the keyboard key for starting up can be flexibly set according to the user's needs.
Preferably, the keyboard key for starting up is a combination of a plurality of keyboard keys, for example: ctrl + Shift + ALT + B or Ctrl + Shift + ALT to avoid touch-by-touch.
It is worth mentioning that in the utility model discloses a terminal based on godson platform, keyboard 2 can connect on mainboard 1's an arbitrary USB interface 13, the homoenergetic realizes that the keyboard button is opened, need not appointed specific interface, and it is more convenient nimble to use.
Optionally, the terminal based on the Loongson platform may be a desktop computer, a notebook computer, a tablet computer, a server, an industrial personal computer, or the like.
Further, the utility model discloses can realize the keyboard button start at the terminal based on the godson platform, break through foreign technology blockade, the correlation technique is independently controllable, does not receive international constraint, and the security is also higher, and has the button that can dispose in a flexible way and be used for the start, does not need appointed USB interface, characteristics that stand-by power consumption is little.
Referring to fig. 2 in combination with fig. 1, the method for starting up a terminal based on a Loongson platform of the present invention includes the following steps:
step S1, providing a terminal based on the Loongson platform, including: a main board 1 and a keyboard 2; the main board 1 includes: the device comprises a Loongson bridge piece 11, a CPLD12, at least one USB interface 13 and a power supply 14, wherein the CPLD12 is electrically connected with the Loongson bridge piece 11 and the power supply 14 respectively, and the keyboard 2 is electrically connected with one of the at least one USB interface 13;
a first USB trace 131 and a second USB trace 132 are respectively disposed corresponding to each USB interface 13, two ends of each first USB trace 131 are respectively electrically connected to the corresponding USB interface 13 and CPLD12, and two ends of each second USB trace 132 are respectively electrically connected to the Loongson bridge piece 11 and the CPLD 12;
step S2, when the terminal is turned on, the CPLD12 establishes a data transmission channel between each first USB trace 131 and its corresponding second USB trace 132;
step S3, when the terminal is powered off, the CPLD12 disconnects the data transmission channel between each first USB trace 131 and the corresponding second USB trace 132, detects a predetermined keyboard key signal from the USB interface 13 electrically connected to the keyboard 2, and controls the Loongson bridge 11 and the power supply 14 to start the power-on program when the predetermined keyboard key signal is detected.
Specifically, in step S3, the boot program includes:
the CPLD12 sends a startup key signal to the Loongson bridge chip 11;
after receiving the boot key signal, the Loongson bridge chip 11 sends a boot signal to the CPLD 12;
after receiving the power-on signal, the CPLD12 sends a power-on timing signal to the power supply 14 to control the power supply 14 to start power-on;
when the CPLD12 controls the power supply 14 to be powered on, the CPLD12 sends a power-on completion signal to the Loongson bridge piece 11;
after receiving the power-on completion signal, the Loongson bridge chip 11 sends a power-on completion signal to the CPLD 12.
Specifically, the preset keyboard key signal is a key code recognized by the CPLD12 from the USB interface 13 when a plurality of preset keys on the keyboard 2 are pressed simultaneously.
Specifically, in step S1, the terminal based on the Loongson platform further includes a Loongson processor 15 electrically connected to the Loongson bridge 11.
Specifically, the Loongson bridge piece 11 is a Loongson 7A1000 bridge piece, the Loongson processor 15 is a Loongson 3A4000 processor, and the CPLD12 is an Anlu ELF2L45B256B CPLD.
For example, in some embodiments of the present invention, the specific implementation process of the booting method is as follows:
first, the user presses a preset power-on key, for example: ctrl + Shift + ALT + B;
then, the CPLD12 recognizes the key code corresponding to the pressed key by analyzing the USB HID protocol, and when the recognized key code is consistent with the preset keyboard key signal, it simulates to send a Power _ button signal to the Loongson bridge chip 11, that is, sends a Power _ button signal to the Loongson bridge chip 11;
then, the Loongson bridge chip 11 receives the power-on key signal, and sends a power-on signal to the CPLD12, that is, sends a SLP _ S3 signal with high potential to the CPLD 12;
subsequently, the CPLD12 receives the power-on signal, and sends a power-on timing signal to the power supply 14 to control the power supply 14 to start to power on;
then, when the CPLD12 controls the power supply 14 to be powered on, the CPLD12 sends a power-on completion signal to the Loongson bridge piece 11, that is, sends a 7A _ PWOK signal to the Loongson bridge piece 11;
then, the Loongson bridge chip 11 receives the 7A _ PWOK signal, and sends a startup completion signal to the CPLD12, namely sends a PLT _ RST signal to the CPLD 12;
finally, after receiving the power-on completion signal, the CPLD establishes a data transmission channel between each first USB trace 131 and its corresponding second USB trace 132, so as to transfer the control right of each USB interface 13 to the Loongson bridge chip 11, so that each USB interface 13 can be normally used when the computer is powered on.
In addition, when the terminal is powered off, the Loongson bridge chip 11 sends a power-off signal to the CPLD12, that is, sends a SLP _ S3 signal with a low potential to the CPLD 12;
subsequently, when the CPLD12 recognizes the power-off signal, the CPLD12 disconnects the data transmission channel between each first USB trace 131 and the corresponding second USB trace 132, and regains the control right of each USB interface 13, so as to realize the terminal power-on through the keyboard keys in the following process.
It should be noted that, in the terminal startup method based on the Loongson platform of the present invention, the keyboard keys for startup can be flexibly set according to the user's needs.
Preferably, the keyboard key for starting up is a combination of a plurality of keyboard keys, for example: ctrl + Shift + ALT + B or Ctrl + Shift + ALT to avoid touch-by-touch.
It is worth mentioning that in the utility model discloses a terminal start method based on godson platform, keyboard 2 can connect on mainboard 1's an arbitrary USB interface 13, the homoenergetic realizes that the keyboard button is started, need not appointed specific interface, and it is more convenient nimble to use.
Optionally, the terminal based on the Loongson platform may be a desktop computer, a notebook computer, a tablet computer, a server, an industrial personal computer, or the like.
Specifically, the Loongson bridge piece 11 is a Loongson 7A1000 bridge piece, the Loongson processor 15 is a Loongson 3A4000 processor, and the CPLD12 is an Anlu ELF2L45B256B CPLD.
Further, the utility model discloses can realize the keyboard button start at the terminal based on the godson platform, break through foreign technology blockade, the correlation technique is independently controllable, does not receive international constraint, and the security is also higher, and has the button that can dispose in a flexible way and be used for the start, does not need appointed USB interface, characteristics that stand-by power consumption is little.
To sum up, the utility model provides a terminal based on godson platform, include: a main board and a keyboard; the main board includes: the device comprises a Loongson bridge chip, a CPLD, at least one USB interface and a power supply, wherein the CPLD is respectively and electrically connected with the Loongson bridge chip and the power supply, and the keyboard is electrically connected with one of the at least one USB interface; a first USB wire and a second USB wire are respectively arranged corresponding to each USB interface, two ends of each first USB wire are respectively and electrically connected with the corresponding USB interface and the corresponding CPLD, and two ends of each second USB wire are respectively and electrically connected with the Loongson bridge chip and the CPLD; the CPLD is used for establishing a data transmission channel between each first USB wire and the corresponding second USB wire when the terminal is started, disconnecting the data transmission channel between each first USB wire and the corresponding second USB wire when the terminal is shut down, detecting a preset keyboard key signal from a USB interface electrically connected with a keyboard, and controlling a Loongson bridge chip and a power supply to start a program when the preset keyboard key signal is detected, so that the USB keyboard key startup can be realized, the operation flexibility of a product is improved, and the user experience of the product is improved.
From the above, it is obvious to those skilled in the art that various other changes and modifications can be made according to the technical solution and the technical idea of the present invention, and all such changes and modifications should fall within the protection scope of the claims of the present invention.
Claims (5)
1. A terminal based on a Loongson platform, comprising: a main board (1) and a keyboard (2); the main board (1) includes: the portable keyboard comprises a Loongson bridge piece (11), a CPLD (12), at least one USB interface (13) and a power supply (14), wherein the CPLD (12) is electrically connected with the Loongson bridge piece (11) and the power supply (14) respectively, and the keyboard (2) is electrically connected with one of the at least one USB interface (13);
a first USB wire (131) and a second USB wire (132) are respectively arranged corresponding to each USB interface (13), two ends of each first USB wire (131) are respectively and electrically connected with the corresponding USB interface (13) and the CPLD (12), and two ends of each second USB wire (132) are respectively and electrically connected with the Loongson bridge chip (11) and the CPLD (12);
the CPLD (12) is used for establishing a data transmission channel between each first USB wire (131) and the corresponding second USB wire (132) when the terminal is powered on, disconnecting the data transmission channel between each first USB wire (131) and the corresponding second USB wire (132) when the terminal is powered off, detecting a preset keyboard key signal from a USB interface (13) electrically connected with the keyboard (2), and controlling the Loongson bridge chip (11) and the power supply (14) to start a power-on program when detecting the preset keyboard key signal.
2. The Loongson platform-based terminal of claim 1, wherein the boot program comprises: the CPLD (12) sends a startup key signal to the Loongson bridge chip (11);
after receiving the starting key signal, the Loongson bridge chip (11) sends a starting signal to the CPLD (12);
after receiving the starting signal, the CPLD (12) sends a power-on time sequence signal to the power supply (14) to control the power supply (14) to start power-on;
when the CPLD (12) controls the power supply (14) to be powered on, the CPLD (12) sends a power-on completion signal to the Loongson bridge chip (11);
and after receiving the power-on completion signal, the Loongson bridge chip (11) sends a power-on completion signal to the CPLD (12).
3. A loongson platform-based terminal according to claim 1, characterized in that the preset keyboard key signal is a key code recognized by CPLD (12) from the USB interface (13) when a plurality of preset keys on the keyboard (2) are pressed simultaneously.
4. A loongson platform-based terminal according to claim 1, further comprising a loongson processor (15) electrically connected to the loongson bridge (11).
5. A Loongson platform-based terminal according to claim 4, wherein the Loongson bridge (11) is a Loongson 7A1000 bridge, the Loongson processor (15) is a Loongson 3A4000 processor, and the CPLD (12) is an Anlu ELF2L45B256B CPLD.
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| CN202023280736.9U CN214202352U (en) | 2020-12-29 | 2020-12-29 | Terminal based on Loongson platform |
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| CN202023280736.9U CN214202352U (en) | 2020-12-29 | 2020-12-29 | Terminal based on Loongson platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112579186A (en) * | 2020-12-29 | 2021-03-30 | 合肥市卓怡恒通信息安全有限公司 | Terminal based on Loongson platform and starting method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112579186A (en) * | 2020-12-29 | 2021-03-30 | 合肥市卓怡恒通信息安全有限公司 | Terminal based on Loongson platform and starting method thereof |
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Effective date of registration: 20211119 Address after: 046011 No. 50, Hesen East Street, Zhangze Industrial Park, high tech Zone, Changzhi City, Shanxi Province Patentee after: Changzhi Zhuoyi Hengtong Information Security Co.,Ltd. Address before: 230000 in Yunhai Road Industrial Park, 176 Yuner Road, Hefei Economic and Technological Development Zone, Anhui Province Patentee before: Hefei Zhuoyi Hengtong Information Security Co.,Ltd. |
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