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RGMII Interface Timing Considerations
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In Linux applications, the simplest way rbmii enable or disable the internal clock delays is through the device tree. How it is different than a MAC chip?
Petalinux - dts node for GMII to RGMII ip - Community Forums
Apr 27, The delay, regardless of link speed, is always 1. How this is handled depends on whether you are running Linux or a stand-alone application. TI and its respective suppliers and providers of content make no representations about the suitability of these materials for any purpose and disclaim all warranties and conditions with regard to these materials, including but not limited to all implied warranties and conditions of merchantability, fitness for a particular purpose, title and non-infringement of any third party intellectual property right.
Currently you should use 'macb. ChromeFirefoxInternet Explorer 11Safari. Given trends in the semiconductor industry and the fact that both ICs are usually on the same board, lack of 5 V tolerance is probably very common, and chips linix actually drive 5 V are probably even rarer.
Same for the local-mac-address. I tested this with an rrgmii daughter card using the example designs here https: At this point you can rebuild your kernel, dtb, By using this site, you agree to the Terms of Use and Privacy Policy.
If I do a reverse compile with 'dtb'I can see that Petalinux generates this for both nodes:. How did you decide these values? Sign up using Email and Password.
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TI and its respective suppliers and providers of content make no representations about the suitability of these materials for linuz purpose and disclaim all warranties and conditions with regard to these materials, including but not limited to all implied warranties and conditions of merchantability, fitness for a particular purpose, title and non-infringement of any third party rmgii property right.
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Media-independent interface
I have this finally working Vivado We are glad that we were able to resolve this issue, and will now proceed to close this thread. This phy's address should also match the tgmii address in the DTS.
Can you rrgmii share? TI, its suppliers and providers of content reserve the right to make corrections, deletions, modifications, enhancements, improvements and other changes to the content and materials, its products, programs and services at any time or to move or discontinue any content, products, programs, or services without notice.
Linux source code: drivers/net/ethernet/ibm/emac/rgmii.c (v) - Bootlin
Retrieved 20 April There are also many more varieties of interfaces used in other circumstances, may of which are linked to from the Wikipedia MII page:. In an FPGA based system, there are three stages where the required skew ie.
And now I am little confused as to what constitutes an Ethernet? Since you have a similar thread on this issue opened inside the Sitara forum, I'll try to keep the discussion there: These registers can be used to configure the device say "only gigabit, full duplex", or "only full duplex" or can be used to determine the current operating mode.
Sign up or log in Sign up using Google. Trademarks Privacy Policy Terms of Use. On the other hand, newer devices may support 2.
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