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Cortex M1, Cortex R4 - comparison

Mullai Thiagu
Note: This was originally posted on 25th September 2009 at http://forums.arm.com

Hi all,

Iam studyng the features supported by Cortex M1 and Cortex R4 soft processors. I have created a table for this and there are some features which i could not find.... it would be helpful if you guys can fill the missing features
Parents
  • Note: This was originally posted on 7th October 2009 at http://forums.arm.com

    1. Cortex M1 is available from ARM / as Cortex FPGA Evaluation Kit (from Arrow). Is this correct?

    Cortex-M1 is available from
    - ARM (IP licensing)
    - Altera (via SOPC builder)
    - Actel (via SoftConsole)
    - Synplicity (via ReadyIP program)


    2. How to get AMBA bus core components like AHB, APB and AHB-to-APB bridge ?

    If you are going to use Altera SOPC builder, the bus interface will be Avalon
    (http://www.altera.com/literature/manual/mnl_avalon_spec.pdf)
    SOPC builder already come with some peripherals and required bus components.

    If you are using Actel tools, the development kit included a number of AMBA components.

    3. I saw AMBA Design Kit and AMBA Designer tools provided by ARM. These are on-chip fabric for SoC systems. Is it possible to use AMBA Design kit (ADK) and generate AHB, APB and AHB-to-APB bridge components for Altera FPGAs?

    If you are using SOPC builder, you need Avalon bus components.  Or if you license Cortex-M1 verilog source and ADK from ARM, you can integrate the components together by verilog coding.

    4. What is the difference between AMBA Design Kit(ADK) and AMBA Designer tools?

    ADK is a collection of AMBA components, with example testbench and scripts support for simulation and verification. ADK does not include AXI components.

    AMBA designer is a much more comprehensive tool with generation of system via GUI and supprt AXI.
    http://www.arm.com/products/solutions/AMBA_Designer.html

    5. Which of above tool (ADK / AMBA Designer ) can be used for generating AMBA components compatible with Cortex M1 processor to integrate and test systems in FPGA?

    Again, this depends on which design environment you are using.  If you are using SOPC builder you can generate your system without using individual AMBA components.  If you are using Actel Libero it has got AMBA components in its components library.


    6. Like Cortex M1 evaluation version, is there any evaluation version to use ADK / AMBA Designer ? If yes please give links for the same.

    You might find the following links useful:
    http://www.altera.com/education/demonstrations/sopc-builder/sopc-builder-demo.html
    http://www.actel.com/products/mpu/cortexm1/default.aspx
    http://www.actel.com/products/software/default.aspx
    http://www.synopsys.com/tools/implementation/fpgaimplementation/fpgasynthesis/pages/synplifypremier.aspx

    Ideally, you should contact Arrow/Altera/Actel to see what are their latest products.
    They might have lots of new stuffs coming out that we don't know :-)
Reply
  • Note: This was originally posted on 7th October 2009 at http://forums.arm.com

    1. Cortex M1 is available from ARM / as Cortex FPGA Evaluation Kit (from Arrow). Is this correct?

    Cortex-M1 is available from
    - ARM (IP licensing)
    - Altera (via SOPC builder)
    - Actel (via SoftConsole)
    - Synplicity (via ReadyIP program)


    2. How to get AMBA bus core components like AHB, APB and AHB-to-APB bridge ?

    If you are going to use Altera SOPC builder, the bus interface will be Avalon
    (http://www.altera.com/literature/manual/mnl_avalon_spec.pdf)
    SOPC builder already come with some peripherals and required bus components.

    If you are using Actel tools, the development kit included a number of AMBA components.

    3. I saw AMBA Design Kit and AMBA Designer tools provided by ARM. These are on-chip fabric for SoC systems. Is it possible to use AMBA Design kit (ADK) and generate AHB, APB and AHB-to-APB bridge components for Altera FPGAs?

    If you are using SOPC builder, you need Avalon bus components.  Or if you license Cortex-M1 verilog source and ADK from ARM, you can integrate the components together by verilog coding.

    4. What is the difference between AMBA Design Kit(ADK) and AMBA Designer tools?

    ADK is a collection of AMBA components, with example testbench and scripts support for simulation and verification. ADK does not include AXI components.

    AMBA designer is a much more comprehensive tool with generation of system via GUI and supprt AXI.
    http://www.arm.com/products/solutions/AMBA_Designer.html

    5. Which of above tool (ADK / AMBA Designer ) can be used for generating AMBA components compatible with Cortex M1 processor to integrate and test systems in FPGA?

    Again, this depends on which design environment you are using.  If you are using SOPC builder you can generate your system without using individual AMBA components.  If you are using Actel Libero it has got AMBA components in its components library.


    6. Like Cortex M1 evaluation version, is there any evaluation version to use ADK / AMBA Designer ? If yes please give links for the same.

    You might find the following links useful:
    http://www.altera.com/education/demonstrations/sopc-builder/sopc-builder-demo.html
    http://www.actel.com/products/mpu/cortexm1/default.aspx
    http://www.actel.com/products/software/default.aspx
    http://www.synopsys.com/tools/implementation/fpgaimplementation/fpgasynthesis/pages/synplifypremier.aspx

    Ideally, you should contact Arrow/Altera/Actel to see what are their latest products.
    They might have lots of new stuffs coming out that we don't know :-)
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