Has anyone had any success resolving this issue? Sometimes the loss of links come fairly closely spaced together in time. Apr 24, 3: In reply to Keldy:. If the phy has no errata, then generic phy driver in the linux should work fine. Has this issue been resolved?

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KSZ9031 on a SabreSD based board

We have a kernel image built kaz9021rl Petalinux TI is a global semiconductor design and manufacturing company. Could you please share the petalinux version you used and device-tree modifications you made?

If you have a related question, please click the ” Ask a related question ” button in the top right corner. Kz9021rl have a custom board we designed with the Micrel KSZ Apr 24, 5: Trademarks Privacy Policy Terms of Use.

Linux. sam9x 2 PHY micrel ksz on mdio-gpio. – Welcome to AT91SAM Community Discussions

Hope this helps others. Apr 24, 1: We are glad that we were able to resolve this issue, and will now proceed ,sz9021rl close this thread. 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.



In reply to Mugunthan V N: Any help would be greatly appreciated. We are facing the same issue with our micrel KSZ phy going up then down immediately in gigabit mode. A little more insight into this: Before digging into this problem, I would like to ksz9021ro if you already found the root cause of the issue?? ChromeFirefoxInternet Explorer 11Safari.

KSZ on a SabreSD based board | NXP Community

We have verified the assymetric pause is not enabled in the micrel driver. In reply to Keldy:.

Has this issue been resolved? In reply to Keldy: Ask a related question What is a related question? I am seeing this issue as well, but it appears that it does not occur in older versions of the kernel.

Apr 16, 3: Why this will happen? Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type.

Use of the information on this site may require a license from a third party, or a license from TI. After seeing your post, we checked the oscillator datasheet once more, the one we have seems to be worse than Si in terms of jitter specs. Apr 24, 3: If the phy has no errata, then generic phy driver in the linux should work fine.


We will try alternative oscillators. We are facing exactly the same behavior with the KSZRNX; also during uboot the link goes down and up from time to time link led goes out.

Welcome to AT91SAM Community Discussions

Apr 25, 3: Kszz9021rl thought removing the ptp-enet-clock parameter had fixed my problem, but it came back.

The issue was 10x worse when connecting two such ports to each other, then no stable link could be established at all. Ask a new question Ask a new question Cancel. All content and materials on this site are provided “as is”.