LINUX ETSEC DRIVER

However, the idea of generating a clock id dynamically seems to have gained acceptance. Article Here is the sixth version of my patch set adding PTP hardware clock support to the Linux kernel. Shift the clock by a given offset atomically 4. However, the current hrtimers are hard-coded to the event device via a per-cpu global. At this point I am not optimistic about either approach, and I would vote for postponing the timer issue indefinitely. Interfaces are expressed to the Hostboard carrier board via a pin connector. Post as a guest Name.

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Later, the company made reference designs for Renesas SuperH processors, among other products. Home Questions Tags Users Unanswered. Should define the compatible device type for the mdio.

p1020, linux Qoriq SDK v1.4, problem with etsec gianfar driver.

Implement the functionality anew. As to other possible clock ids, the standard offers the following hint: The PHC can be synchronized to within nanoseconds of an external time source, while timer wakeup latency even with rt kernels is tens of microseconds.

For FEC devices, the first interrupt is the device’s interrupt. Specifications listed for the uCP include: Stsec patch set implements two different ways: Offset and length of the register set for the device – interrupts: Should be “gianfar” – reg: In reference board one eTSEC is connected to a phy and another is connected to a gigabit ethernet switch. Reuse the hrtimer code.

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Arcturus now offers a variety of embedded COMs and integrated systems for VoIP gateways and general industrial applications. I want to know what files i should change in order for linux to work in this new condition. Post as a guest Name. In the current patch set the kernel functionality is not implemented, since there are some issues to consider first. Time stamp external events 2. If the Linux system time is synchronized to the PHC via the PPS method, then using standard hrtimers would be good enough for most purposes.

These operations do not map at all to the POSIX clock functions, but one could offer them as a character device or via sysfs. Added a simulated PTP hardware clock. However, the idea of generating a clock id dynamically seems to stsec gained acceptance. Sign up using Facebook. If TBIPA register is not specified, the driver will attempt to infer it from the register set specified your mileage may vary.

Enable Linux PPS subsystem events 3. See the definition of the PHY node in booting-without-of. I don’t mind leaving both ways in, either. This is an advanced power management capability allowing certain packet types user defined by filer rules to wake up the system. Article Here is the sixth version of my patch set adding PTP hardware clock support to the Linux kernel. Periodic output signals 4.

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embedded – Modifying ethernet ports on device tree – Unix & Linux Stack Exchange

The general idea is to advertise the available clock ids to user space via sysfs. Denotes the index of the first byte from the received buffer to stash in the L2.

Since the hrtimer code uses a clock event device under the hood, it might be possible in theory to offer capable PHCs as clock event devices. Since V5 of the character device patch set, etseec discussion has moved to the lkml. Adjust clock frequency – Ancillary clock features 1.

Added a clock driver for the IXP46x.