Apr 08, 2020 micrel switch linux driver download this is the only reference to registers. Except from the ethernet ports, my custom board is very similar to a beaglebone black and evm starter kit. Micrel offers appropriate phy software drivers for newer switch products. The micrel phy driver is more or less unchanged from v3. Nonblocking switch fabric assures fast packet delivery by utilizing a 1k mac address lookup table and a storeandforward architecture.
Hi all, i have a custom xcsc7010 board with a micrel ksz9031 phy address 3 and i am unable to get the kernel to recognize the phy. Ksz8863 linux driver for revision the ksz8863mllfllrll is micrel s third generation fully integrated 3port switch. Florian fainelli same as the previous patch, targeting the net tree is not appropriate here. A ligacao atraves do mdio esta funcional mas desse modo nao ha acesso a todos os registradores. I think this detection should work with all supported phys, at least for the ones with basic features sets, i. This way i can access chips phy registers and my davinci linux driver is ok for the basic l2 operation of the switch. And for all phys wo dedicated driver that are using the genphy driver you dont know anyway. Ksz8463 interface and networking ethernet switches. When we had the new hardware i could use the uboot and linux kernel drivers from ti. However, they can be told apart by the extended capability registers presence. With micrel mosfet drivers the situation is still simple. Linux driver support on ks8695p platform from micrel. The software implementation is done in a linux driver. Inside the phy devices private data is a pointer to the switch structure.
View online or download micrel ksz8841pmql user manual. We have a custom board with zynq 7030 and micrel ksz9031rnx phy controller. This chip is complete configurable via spi and we dont use mdiomdc lines for communication. Hey, my cpu am3505 is connected to a 3port micrel switch via an mdio interface. Ksz8795 interface and networking ethernet switches. Micrel ks8995 ethernet switch spi driver version 0. We are using a micrel ksz8795 5port switch with a rmii interface on port5 connected to the bf607 mac via dedicated rmii lines. New generation switch with five macs and five phys that are fully compliant with the ieee 802. Device driver provided by a chip vendor represents 5port switch as a single inteface from the os perspective. This zerocopy dma driver is a port for the builtin mac and smsc or generic phy or micrel ksz8893 switch found in the omapl7tms320c6747 floating point starter kit.
Ksz8873 switch on am1808 custom board linux forum read. Ksz8995ma ethernet switch support arm9 based platforms. The ksz8051 is a 5 port managed ethernet switch with integrated phy with miirmii interface on one port. The issue is that ethtool eth0 does not display the switch information. Oct 26, 2015 pc gamer is supported by its audience. This project is the complete design of a 5 port fast ethernet switch, based on the micrel ksz8995m switch ic with integrated phy and an atmega168 8bit microcontroller. I could buy a managed switch and set up port spanning, but i aint. Please note that mactomac connection is not a use case supported by ti. Download your favorite linux distribution at lq iso. Were designing a network device based around soc, which contains mips core and 5ports switch core, connected to the cpu via internal mii port. Type name latest commit message commit time failed to load latest commit information. Micrel switch linux driver download this is the only reference to registers.
Phy abstraction layer the linux kernel documentation. The linux drivers for the ksz9897, ksz9567, ksz9477 and ksz8567 families are located on github here. Phys designed with patented enhanced mixedsignal technology. Micrel ksz8463 switch application notes 2 introduction this document describes how to use micrel ksz8463 switch in software. Using debian squeeze i installed the nvidia installer. Jan 20, 2017 so is this to enable the phy driver for the phys embedded in the switch.
The same driver can run both chips at the same time. In my custom board the uc is connected via mdio to micrel switch. Micrel ksz8692 spi controller programmers guide 1 overview this document shows two examples of the programming sequences for the ksz8692 spi controller when linux uboot spi driver performs readwrite data fromto spi device. It supports ipv4 tcp hardware checksumming and so can use scattergather transmission. Nonblocking switch fabric assures fast packet delivery by utilizing a 1k mac address lookup. The ksz8463 product line is built upon microchips industryleading ethernet technology, with features designed to offload host. Micrel ks8995ma 5ports 10100 managed ethernet switch. Software support for micrel ksz9897 switch community forums. When you buy through links on our site, we may earn an affiliate commission. The switch is used in the ksz8463mll and ksz8462hll chips. Linux dear all, i want to know how to use the ksz8795 in kernel uboot. But then it tries to talk to a nonexistent phy and fails, obviously.
This can only work if your micrel switch can have at least one port configurable as phy and enumerated by the cpsw over mdio. Then i have exported sysfs interface and i was able to configure switch from the userspace through sysfs interface. Mx6ul with ksz8895 switch not working nxp community. We are not using mdio or any other bus to configure the switch since. Uboot is able to identify it and even tftpboot an image. The issues i am facing are mainly related to the micrel phy driver, micrel phy running in rmii mode and possibly the devicetree. Ksz9897, ksz9567, ksz9477 and ksz8567 linux driver and. Dec 16, 20 also to orchestrate a consistent install of your linux switch could prove challenging. I have the downloaded xf86videointel driver in pcman cache. See the micrel driver in driversnetphy for an example of how this can be.
We are using the micrel s ksz8873mll switch which is controlled through i2c not using miim, so we can have access to all the registers of the ksz8873. We are using an external micrel switch ksz8863 on our carrier board. The first spi device is an atmel at25160a memory eeprom which uses 2 byte address offset and 8bit data per transfer. The ksz8842 has a switch with lots of hardware configurations. So is this to enable the phy driver for the phys embedded in the switch. This driver will give you handle to the mdio bus the switch is connected to. Microchip technology distributor mouser electronics stocks microchip technology microcontrollers and analog products. The linux works and it seems to recognise the switch but i cant ping anything other than the loopback. Add support for microchip technology ksz91 10100 ethernet phy signedoffby. The fully featured board has 5 rj45 sockets with the two remaining ports being connected to a ksz9031 phy and a lan7801 usb to ethernet bridge. I use arch mainly in my laptop and have configured x using nvidia driver. The switch can then accelerate what linux can do in software.
It is intended for costsensitive applications requiring four 10100mbps copper ports and one 10100mbps gigabit uplink port. The micrel switch driver is most likely provided as a linux spi driver because spi access is the faster register access mode supported by the switch. Ksz8863 linux driver for revision the ksz8863mllfllrll is micrels third generation fully integrated 3port switch. Contribute to torvaldslinux development by creating an account on github. Somehow ethernet gets different speeds in this setup. Designing with lowside mosfet drivers by john mcginty.
The micrel switch driver is most likely provided as a linux spi. Since the two patches are obviously linked, you might consider adding a cover. Phy and ksz8794ksz8795ksz8765 switch share the same exact phy id. You can write pseudo phy driver based on your phy id. I modified the dualethernet board device tree for our carrier board. Since the recommendation from micrel is that the rxq is shutdown whilst the receive parameters are programmed, we issue a write to disable the rxq and then wait for the interrupt handler to be triggered once the rxq shutdown is. Ready to use libraries and example projects are provided. The switch drivers can be under different names depending on the switch chips.
Some users like to take direct control of those ports. Fetching latest commit cannot retrieve the latest commit at this time. The hardware was originally developed in 2009, because i needed a compact, vlan capable switch to expand the functionality of an nslu2, which has just a single. Through the mdio interface is possible to control the phy on port 15. Ksz884xpmqleval board demonstration cd which is with the evaluation board kit. However i need to now get my linux box to listen to every traffic in my network. Using a phy software driver with an ethernet switch could result in unexpected behavior if it is not used properly. How to connect an ethernet device directly to a switch in linux. Ksz8051 phy and ksz8794ksz8795ksz8765 switch share the same. The switch driver, in turn, will notify the bridge driver using the switchdev notifier call. This is why tools such as puppet could be used to provide consistency.
This is a new network driver for micrel ksz8841ksz8842 pci ethernet chips. Software support for micrel ksz9897 switch hi, my board xc7z045 connected to ksz9897 switch through mdio and mdc. I give you further info next week and im also in contact with micrel fae. How do i change the driver to intel as when i connect it to my pc which has an intel card so that the graphics look proper. Generated on 2019mar29 from project linux revision v5. I needed to add a new phy indentifier to the phy level. The driver uses sysfs to provide an interface so that users can access the switch without using any. With that pointer all the switch functions can be accessed. The ptp stack has been optimized around the ksz84xx chip architecture, and is available in source code format along with microchips chip driver. Five port fast ethernet managed switch fabiobaltieri. The problem is, as you can see from the picture, there is no phy attached to the port 6, i. Custom board with at91sam9260 uc and micrel switch. As an example for how one driver implemented an mdio bus driver, see.
The ksz8795 is a highlyintegrated, layer 2managed, 5port switch with numerous features designed to reduce system cost. We modified the linux device tree to use a fixed phy fixed 100 mbps full duplex. If there actually is a linux driver for the ksz8893mbl, and it supports. Linux bonding for port trunks the switch can then accelerate what linux can do in software switchdevis the linux framework to offload features to the device kernel, drivers and embedded linux development, consulting, training and support 643. However, as the switch is normally fully controlling the integrated phys on its own like a standalone switch, no such phy switch software drive r would be required. Linux switch support switch ports are linux network interfaces standard linux tools are used. How to connect an ethernet device directly to a switch in. The ksz8795clx incorporates a small package outline, lowest power consumption with internal.