more doc
28
LICENSE
Normal file
|
@ -0,0 +1,28 @@
|
|||
Unless otherwise noted, LiteSATA is copyright (C) 2015 HKU.
|
||||
|
||||
Redistribution and use in source and binary forms, with or without modification,
|
||||
are permitted provided that the following conditions are met:
|
||||
|
||||
1. Redistributions of source code must retain the above copyright notice, this
|
||||
list of conditions and the following disclaimer.
|
||||
2. Redistributions in binary form must reproduce the above copyright notice,
|
||||
this list of conditions and the following disclaimer in the documentation
|
||||
and/or other materials provided with the distribution.
|
||||
|
||||
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
||||
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
||||
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
|
||||
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||||
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
||||
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||||
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
|
||||
|
||||
Other authors retain ownership of their contributions. If a submission can
|
||||
reasonably be considered independently copyrightable, it's yours and we
|
||||
encourage you to claim it with appropriate copyright notices. This submission
|
||||
then falls under the "otherwise noted" category. All submissions are strongly
|
||||
encouraged to use the two-clause BSD license reproduced above.
|
51
README
|
@ -9,7 +9,7 @@
|
|||
developed for HKU by M-Labs Ltd & EnjoyDigital
|
||||
|
||||
[> Intro
|
||||
-----------
|
||||
---------
|
||||
LiteSATA provides a small footprint and configurable SATA gen1/2/3 core.
|
||||
|
||||
LiteSATA is part of LiteX libraries whose aims is to lower entry level of complex
|
||||
|
@ -34,7 +34,7 @@ with the provided setup.py) or can be integrated with your standard design flow
|
|||
by generating the verilog rtl that you will use as a standard core.
|
||||
|
||||
[> Features
|
||||
------------------
|
||||
-----------
|
||||
PHY:
|
||||
- OOB, COMWAKE, COMINIT
|
||||
- ALIGN inserter/remover and bytes alignment on K28.5
|
||||
|
@ -61,7 +61,7 @@ Frontend:
|
|||
- Synthetizable BIST
|
||||
|
||||
[> Possibles improvements
|
||||
----------------------
|
||||
-------------------------
|
||||
- add standardized interfaces (AXI, Avalon-ST)
|
||||
- add NCQ support
|
||||
- add AES hardware encryption
|
||||
|
@ -71,7 +71,7 @@ Frontend:
|
|||
- add support for Xilinx 7-Series GTP/GTH (currently only 7-Series GTX are
|
||||
supported)
|
||||
- add Zynq Linux drivers.
|
||||
- ...
|
||||
- ... See below Support and Consulting :)
|
||||
|
||||
If you want to support these features, please contact us at florent [AT]
|
||||
enjoy-digital.fr. You can also contact our partner on the public mailing list
|
||||
|
@ -82,29 +82,35 @@ devel [AT] lists.m-labs.hk.
|
|||
1. Install Python3 and Xilinx's Vivado software
|
||||
|
||||
2. Obtain Migen and install it:
|
||||
git clone https://github.com/enjoy-digital/migen
|
||||
git clone https://github.com/m-labs/migen
|
||||
cd migen
|
||||
python3 setup.py install
|
||||
cd ..
|
||||
|
||||
3. Obtain Miscope and install it:
|
||||
git clone https://github.com/enjoy-digital/miscope
|
||||
git clone https://github.com/m-labs/miscope
|
||||
cd miscope
|
||||
python3 setup.py install
|
||||
cd ..
|
||||
|
||||
4. Obtain MiSoC:
|
||||
git clone https://github.com/enjoy-digital/misoc --recursive
|
||||
git clone https://github.com/m-labs/misoc --recursive
|
||||
XXX add setup.py to MiSoC for external use of misoclib?
|
||||
|
||||
5. Copy lite-sata in working directory and move to it.
|
||||
5. Obtain LiteSATA
|
||||
git clone https://github.com/enjoy-digital/litesata
|
||||
|
||||
6. Build and load design:
|
||||
6. Build and load BIST design (only for KC705 for now):
|
||||
python3 make.py all
|
||||
|
||||
7. Test design:
|
||||
go to test directory and run:
|
||||
7. Test design (only for KC705 for now):
|
||||
go to ./test directory and run:
|
||||
python3 bist.py
|
||||
|
||||
8. If you only want to build the core and use it with your
|
||||
regular design flow:
|
||||
python3 make.py -t core build-core
|
||||
|
||||
[> Simulations:
|
||||
Simulations are available in ./lib/sata/test:
|
||||
- crc_tb
|
||||
|
@ -124,7 +130,7 @@ devel [AT] lists.m-labs.hk.
|
|||
the HDD model!
|
||||
|
||||
[> License
|
||||
----------------------
|
||||
-----------
|
||||
LiteSATA is released under the very permissive two-clause BSD license. Under the
|
||||
terms of this license, you are authorized to use LiteSATA for closed-source
|
||||
proprietary designs.
|
||||
|
@ -136,19 +142,18 @@ do them if possible:
|
|||
- send us bug reports when something goes wrong
|
||||
- send us the modifications and improvements you have done to LiteSATA.
|
||||
|
||||
[> Support
|
||||
----------------------
|
||||
We love open-source hardware and like sharing our designs with others. We think
|
||||
that providing this core with a BSD license will enable its easy reuse and
|
||||
customization without the usual restrictions of commercial cores.
|
||||
[> Support and Consulting
|
||||
--------------------------
|
||||
We love open-source hardware and like sharing our designs with others.
|
||||
|
||||
We also offer design services and can:
|
||||
- provide you commercial support for our cores.
|
||||
- customize our cores to fit your needs and help you to integrate it in your design.
|
||||
- create custom designs for you and provide our already proven cores for free.
|
||||
- ...
|
||||
LiteSATA is developed and maintained by EnjoyDigital.
|
||||
|
||||
So feel free to contact us, we'd love to work with you!
|
||||
If you would like to know more about LiteSATA or if you are already a happy user
|
||||
and would like to extend it for your needs, EnjoyDigital can provide standard
|
||||
commercial support as well as consulting services.
|
||||
|
||||
So feel free to contact us, we'd love to work with you! (and eventually shorten
|
||||
the list of the possible improvements :)
|
||||
|
||||
[> Contact
|
||||
E-mail: florent [AT] enjoy-digital.fr
|
||||
|
|
|
@ -24,7 +24,7 @@
|
|||
|
||||
{% set footer_links = [
|
||||
('docs/getting_started/bug_reports', 'Report Bug', 'Report Bug'),
|
||||
('docs/introducing_litesata/litesata_license', 'Licensing', 'Licensing'),
|
||||
('docs/introducing_litesata/license', 'Licensing', 'Licensing'),
|
||||
('docs/contributing/contributing', 'Contributing', 'Contributing'),
|
||||
('docs/introducing_litesata/release_notes', 'Release notes', 'Release notes'),
|
||||
('docs/introducing_litesata/community', 'Help', 'Contact'),
|
||||
|
|
|
@ -3,3 +3,5 @@
|
|||
========================
|
||||
Core
|
||||
========================
|
||||
.. note::
|
||||
Please contribute to this document, or support us financially to write it.
|
|
@ -3,3 +3,5 @@
|
|||
========================
|
||||
Frontend
|
||||
========================
|
||||
.. note::
|
||||
Please contribute to this document, or support us financially to write it.
|
||||
|
|
|
@ -3,3 +3,5 @@
|
|||
===
|
||||
FAQ
|
||||
===
|
||||
.. note::
|
||||
Please contribute to this document.
|
||||
|
|
|
@ -3,3 +3,9 @@
|
|||
=============
|
||||
Bug Reporting
|
||||
=============
|
||||
- send us feedback and suggestions for improvements
|
||||
- send us bug reports when something goes wrong
|
||||
- send us the modifications and improvements you have done to LiteSATA.
|
||||
The use of "git format-patch" is recommended. If your submission is large and
|
||||
complex and/or you are not sure how to proceed, feel free to discuss with us
|
||||
about it.
|
|
@ -6,25 +6,31 @@ Download and install
|
|||
1. Install Python3 and Xilinx's Vivado software
|
||||
|
||||
2. Obtain Migen and install it:
|
||||
- git clone https://github.com/enjoy-digital/migen
|
||||
- git clone https://github.com/m-labs/migen
|
||||
- cd migen
|
||||
- python3 setup.py install
|
||||
- cd ..
|
||||
|
||||
3. Obtain Miscope and install it:
|
||||
- git clone https://github.com/enjoy-digital/miscope
|
||||
- git clone https://github.com/m-labs/miscope
|
||||
- cd miscope
|
||||
- python3 setup.py install
|
||||
- cd ..
|
||||
|
||||
4. Obtain MiSoC:
|
||||
- git clone https://github.com/enjoy-digital/misoc --recursive
|
||||
- git clone https://github.com/m-labs/misoc --recursive
|
||||
XXX add setup.py to MiSoC for external use of misoclib?
|
||||
|
||||
5. Copy lite-sata in working directory and move to it.
|
||||
5. Obtain LiteSATA
|
||||
- git clone https://github.com/enjoy-digital/litesata
|
||||
|
||||
6. Build and load design:
|
||||
6. Build and load BIST design (only for KC705 for now):
|
||||
- python3 make.py all
|
||||
|
||||
7. Test design:
|
||||
- go to test directory and run:
|
||||
7. Test design (only for KC705 for now):
|
||||
- go to ./test directory and run:
|
||||
- python3 bist.py
|
||||
|
||||
8. If you only want to build the core and use it with your
|
||||
regular design flow:
|
||||
- python3 make.py -t core build-core
|
|
@ -4,7 +4,7 @@
|
|||
Getting Started
|
||||
===============
|
||||
|
||||
Now you know why LiteSATA is :ref:`core for you <about-litesata>`, it's time to *get started*.
|
||||
Now you know why LiteSATA is :ref:`core for you <about>`, it's time to *get started*.
|
||||
|
||||
This section provides a walk-through of :ref:`downloading and installing the tools`.
|
||||
|
||||
|
@ -13,4 +13,5 @@ This section provides a walk-through of :ref:`downloading and installing the too
|
|||
|
||||
downloads
|
||||
FAQ
|
||||
bug_reports
|
||||
|
||||
|
|
|
@ -8,7 +8,7 @@ This comprehensive documentation set contains everything you need to know to use
|
|||
|
||||
**Getting started:**
|
||||
|
||||
- :ref:`introducing-litesata-index` explains what LiteSATA does, why it is needed, its limitations and its licensing. It will help you understand whether LiteSATA is the right core for you.
|
||||
- :ref:`intro-index` explains what LiteSATA does, why it is needed, its limitations and its licensing. It will help you understand whether LiteSATA is the right core for you.
|
||||
- :ref:`getting-started-index` walks you through downloading, installing and using the LiteSATA core.
|
||||
|
||||
**LiteSATA Internals:**
|
||||
|
@ -27,12 +27,10 @@ The full hierarchy of articles, opened to the second level, is shown below.
|
|||
.. toctree::
|
||||
:maxdepth: 2
|
||||
|
||||
introducing_litesata/index
|
||||
intro/index
|
||||
getting_started/index
|
||||
sata/index
|
||||
specification/index
|
||||
phy/index
|
||||
core/index
|
||||
frontend/index
|
||||
simulation/index
|
||||
test/index
|
||||
site/index
|
||||
|
|
|
@ -1,4 +1,4 @@
|
|||
.. _about-litesata:
|
||||
.. _about:
|
||||
|
||||
================
|
||||
About LiteSATA
|
||||
|
@ -27,10 +27,10 @@ LiteSATA can be used as a Migen/MiSoC library (by simply installing it
|
|||
with the provided setup.py) or can be integrated with your standard design flow
|
||||
by generating the verilog rtl that you will use as a standard core.
|
||||
|
||||
.. _about-litesata-toolchain:
|
||||
.. _about-toolchain:
|
||||
|
||||
Features
|
||||
====================
|
||||
========
|
||||
PHY:
|
||||
- OOB, COMWAKE, COMINIT
|
||||
- ALIGN inserter/remover and bytes alignment on K28.5
|
||||
|
@ -58,7 +58,7 @@ Frontend:
|
|||
|
||||
|
||||
Possibles improvements
|
||||
====================
|
||||
======================
|
||||
- add standardized interfaces (AXI, Avalon-ST)
|
||||
- add NCQ support
|
||||
- add AES hardware encryption
|
||||
|
@ -68,5 +68,23 @@ Possibles improvements
|
|||
- add support for Xilinx 7-Series GTP/GTH (currently only 7-Series GTX are
|
||||
supported)
|
||||
- add Zynq Linux drivers.
|
||||
- ...
|
||||
- ... See below Support and Consulting :)
|
||||
|
||||
Support and Consulting
|
||||
======================
|
||||
We love open-source hardware and like sharing our designs with others.
|
||||
|
||||
LiteSATA is developed and maintained by EnjoyDigital.
|
||||
|
||||
If you would like to know more about LiteSATA or if you are already a happy user
|
||||
and would like to extend it for your needs, EnjoyDigital can provide standard
|
||||
commercial support as well as consulting services.
|
||||
|
||||
So feel free to contact us, we'd love to work with you! (and eventually shorten
|
||||
the list of the possible improvements :)
|
||||
|
||||
Contact
|
||||
=======
|
||||
E-mail: florent [AT] enjoy-digital.fr
|
||||
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
.. _introducing-litesata-index:
|
||||
.. _intro-index:
|
||||
|
||||
======================
|
||||
Introducing LiteSATA
|
||||
|
@ -9,7 +9,7 @@ This section explains what LiteSATA does, why it is needed, its limitations and
|
|||
.. toctree::
|
||||
:maxdepth: 1
|
||||
|
||||
about_litesata
|
||||
litesata_license
|
||||
about
|
||||
license
|
||||
release_notes
|
||||
Talks-and-Publications
|
||||
talks_and_publications
|
47
doc/source/docs/intro/license.rst
Normal file
|
@ -0,0 +1,47 @@
|
|||
.. _license:
|
||||
|
||||
===================
|
||||
Open Source License
|
||||
===================
|
||||
|
||||
LiteSATA is released under the very permissive two-clause BSD license. Under the
|
||||
terms of this license, you are authorized to use LiteSATA for closed-source
|
||||
proprietary designs.
|
||||
Even though we do not require you to do so, those things are awesome, so please
|
||||
do them if possible:
|
||||
- tell us that you are using LiteSATA
|
||||
- cite LiteSATA in publications related to research it has helped
|
||||
- send us feedback and suggestions for improvements
|
||||
- send us bug reports when something goes wrong
|
||||
- send us the modifications and improvements you have done to LiteSATA.
|
||||
|
||||
::
|
||||
|
||||
Unless otherwise noted, LiteSATA is copyright (C) 2015 HKU.
|
||||
|
||||
Redistribution and use in source and binary forms, with or without modification,
|
||||
are permitted provided that the following conditions are met:
|
||||
|
||||
1. Redistributions of source code must retain the above copyright notice, this
|
||||
list of conditions and the following disclaimer.
|
||||
2. Redistributions in binary form must reproduce the above copyright notice,
|
||||
this list of conditions and the following disclaimer in the documentation
|
||||
and/or other materials provided with the distribution.
|
||||
|
||||
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
||||
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
||||
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
|
||||
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||||
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
||||
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||||
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
|
||||
|
||||
Other authors retain ownership of their contributions. If a submission can
|
||||
reasonably be considered independently copyrightable, it's yours and we
|
||||
encourage you to claim it with appropriate copyright notices. This submission
|
||||
then falls under the "otherwise noted" category. All submissions are strongly
|
||||
encouraged to use the two-clause BSD license reproduced above.
|
|
@ -8,3 +8,6 @@ Release Notes
|
|||
|
||||
ChangeLog
|
||||
=========
|
||||
0.9.0:
|
||||
- First release supporting Xilinx Kintex7.
|
||||
|
14
doc/source/docs/intro/talks_and_publications.rst
Normal file
|
@ -0,0 +1,14 @@
|
|||
.. _talks-and-publications:
|
||||
|
||||
======================
|
||||
Talks and Publications
|
||||
======================
|
||||
|
||||
- Migen / MiSoC documentation:
|
||||
- `User guide <http://m-labs.hk/migen.pdf>`_ (`m-labs <https://github.com/m-labs>`_)
|
||||
- `Tutorial: An introduction to Migen <http://m-labs.hk/migen-tutorial.pdf>`_ (`m-labs <https://github.com/m-labs>`_)
|
||||
|
||||
- Migen / MiSoC presentations:
|
||||
- `Lecture slides <http://m-labs.hk/migen-slides.pdf>`_ (`sbourdeauducq <https://github.com/sbourdeauducq>`_)
|
||||
- `EHSM 2012 presentation <https://www.youtube.com/watch?v=yxKMsAi_WEA>`_ (`sbourdeauducq <https://github.com/sbourdeauducq>`_)
|
||||
- `ORCONF2014 <https://www.youtube.com/watch?v=AfEPbw4nREo>`_ (`fallen <https://github.com/fallen>`_)
|
|
@ -1,11 +0,0 @@
|
|||
.. _Talks-and-Publications:
|
||||
|
||||
======================
|
||||
Talks and Publications
|
||||
======================
|
||||
|
||||
Presentations
|
||||
=============
|
||||
|
||||
Papers
|
||||
======
|
|
@ -1,16 +0,0 @@
|
|||
.. _litesata-license:
|
||||
|
||||
===================
|
||||
Open Source License
|
||||
===================
|
||||
|
||||
LiteSATA is released under the very permissive two-clause BSD license. Under the
|
||||
terms of this license, you are authorized to use LiteSATA for closed-source
|
||||
proprietary designs.
|
||||
Even though we do not require you to do so, those things are awesome, so please
|
||||
do them if possible:
|
||||
- tell us that you are using LiteSATA
|
||||
- cite LiteSATA in publications related to research it has helped
|
||||
- send us feedback and suggestions for improvements
|
||||
- send us bug reports when something goes wrong
|
||||
- send us the modifications and improvements you have done to LiteSATA.
|
|
@ -3,3 +3,5 @@
|
|||
========================
|
||||
PHY
|
||||
========================
|
||||
.. note::
|
||||
Please contribute to this document, or support us financially to write it.
|
|
@ -4,6 +4,9 @@
|
|||
Simulation
|
||||
========================
|
||||
|
||||
.. note::
|
||||
Please contribute to this document, or support us financially to write it.
|
||||
|
||||
Simulations are available in ./lib/sata/test:
|
||||
- crc_tb
|
||||
- scrambler_tb
|
||||
|
|
Before Width: | Height: | Size: 11 KiB After Width: | Height: | Size: 11 KiB |
Before Width: | Height: | Size: 6 KiB After Width: | Height: | Size: 6 KiB |
|
@ -1,7 +1,7 @@
|
|||
.. _sata-index:
|
||||
|
||||
========================
|
||||
SATA
|
||||
SATA Specification
|
||||
========================
|
||||
|
||||
.. note::
|
||||
|
@ -14,10 +14,12 @@ and 8b/10b encoding. The link supports full duplex but the protocol only permits
|
|||
in one direction at a time. The other non-data direction is used for flow control of the
|
||||
data stream
|
||||
|
||||
.. image:: sata_layers.png
|
||||
.. figure:: sata_layers.png
|
||||
:scale: 50 %
|
||||
:align: center
|
||||
|
||||
SATA layers.
|
||||
|
||||
SATA’s architecture consists of four layers, Application, Transport, Link, and Physical.
|
||||
The Application layer is responsible for overall ATA commands and of controlling SATA
|
||||
register accesses. The transport layer places control information and data to be transferred between
|
||||
|
@ -34,10 +36,12 @@ into four bytes. Where each pair of bytes represent a word and a pair of words
|
|||
represent a Dword. In this way it’s easy to see that odd number of bytes is not
|
||||
allowed in SATA communication.
|
||||
|
||||
.. image:: byte_word_dword.png
|
||||
.. figure:: byte_word_dword.png
|
||||
:scale: 50 %
|
||||
:align: center
|
||||
|
||||
Byte, Word, Dword definitions.
|
||||
|
||||
The Dwords can be represented by either a data Dword or a so called primitive. A
|
||||
primitive is a predefined Dword like for example start of frame (SOF) and end
|
||||
of frame (EOF).
|
||||
|
@ -78,10 +82,12 @@ drive their output pins to the same voltage, resulting in a reduced difference a
|
|||
when a preset threshold limit is reached the receiver can recognize the signal as
|
||||
OOB.
|
||||
|
||||
.. image:: oob_signals.png
|
||||
.. figure:: oob_signals.png
|
||||
:scale: 50 %
|
||||
:align: center
|
||||
|
||||
OOB signals.
|
||||
|
||||
As can be seen in the figure there are three types of (actually two
|
||||
since COMINIT and COMRESET are equal) valid OOB signals where bursts of
|
||||
six ALIGN are sent with different timing. The importance in the signaling lies
|
||||
|
@ -95,10 +101,12 @@ COMWAKE back. If this procedure is finished within a correct time the OOB signal
|
|||
ends and the differential communication can proceed with determining the link speed
|
||||
(right part of the figure).
|
||||
|
||||
.. image:: oob_sequence.png
|
||||
.. figure:: oob_sequence.png
|
||||
:scale: 50 %
|
||||
:align: center
|
||||
|
||||
OOB init sequence.
|
||||
|
||||
Physical Layer
|
||||
==============
|
||||
This section describes the physical interface towards the actual SATA link.
|
||||
|
@ -136,10 +144,12 @@ by applying the 32-bits generator polynomial G(x) in Equation on every bit in
|
|||
every non-primitive Dword in a FIS and then summarize (modulo 2) all these terms
|
||||
together with the Initial Value. The CRC is fixed to value of 0x52325032.
|
||||
|
||||
.. image:: crc.png
|
||||
.. figure:: crc.png
|
||||
:scale: 50 %
|
||||
:align: center
|
||||
|
||||
CRC polynom.
|
||||
|
||||
Scrambling a FIS reduces EMI by spreading the noise over a broader frequency
|
||||
spectrum. The scrambling algorithm can be expressed as a polynomial or as a linear
|
||||
feedback shift register. The scrambling creates a pseudorandom bit pattern of the
|
||||
|
@ -147,10 +157,12 @@ data that reduces EMI. The algorithm resets to a of value of 0xFFFF every time a
|
|||
is encountered at the scrambler. The de-scrambler uses the same algorithm on scrambled
|
||||
data so it retakes its original form.
|
||||
|
||||
.. image:: scrambler.png
|
||||
.. figure:: scrambler.png
|
||||
:scale: 50 %
|
||||
:align: center
|
||||
|
||||
Scrambler LFSR polynom.
|
||||
|
||||
It is important that the CRC calculations are made at original data and that
|
||||
the scrambling/de-scrambling are made between the CRC and the 8b/10b encoding/decoding.
|
||||
The flow control between host and device is managed by sending
|
||||
|
@ -193,7 +205,6 @@ Command Layer
|
|||
The command layer tells the transport layer what kind of FISes to send and receive
|
||||
for each specific command and in which order those FISes are expexted to be delivered.
|
||||
|
||||
|
||||
.. note::
|
||||
This chapter is a lightly modified version of the excellent SATA summerization found in Chapter 2 of Erik Landström's Thesis_.
|
||||
|
Before Width: | Height: | Size: 94 KiB After Width: | Height: | Size: 94 KiB |
Before Width: | Height: | Size: 29 KiB After Width: | Height: | Size: 29 KiB |
Before Width: | Height: | Size: 13 KiB After Width: | Height: | Size: 13 KiB |
Before Width: | Height: | Size: 4 KiB After Width: | Height: | Size: 4 KiB |
|
@ -4,6 +4,9 @@
|
|||
Test
|
||||
========================
|
||||
|
||||
.. note::
|
||||
Please contribute to this document, or support us financially to write it.
|
||||
|
||||
A synthetizable BIST is provided and can be controlled with ./test/bist.py.
|
||||
By using Miscope and the provided ./test/test_link.py example you are able to
|
||||
visualize the internal logic of the design and even inject the captured data in
|
||||
|
|
|
@ -16,9 +16,9 @@ News
|
|||
.. toctree::
|
||||
:hidden:
|
||||
|
||||
docs/introducing_litesata/index
|
||||
docs/intro/index
|
||||
docs/getting_started/index
|
||||
docs/sata/index
|
||||
docs/specification/index
|
||||
docs/phy/index
|
||||
docs/core/index
|
||||
docs/frontend/index
|
||||
|
|