Messages in this thread | | | Subject | Re: SPI-4 device support on linux | From | Michael Poole <> | Date | Thu, 02 Jun 2005 05:26:52 -0400 |
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kallol@nucleodyne.com writes:
> Hello, > We have been evaluating a project to develop linux driver > and stack for SPI-4 devices. SPI-4 stands for System Packet Interface > Level 4. > > While searching on internet I came across a few articles on SPI-4 protocol. > One of the links is given below: > > http://www.altera.com/products/devices/stratixgx/features/sgx-spi.html > > > Is there any update on linux driver support for SPI-4 devices?
You can get the specifications for the SPI family of interfaces at http://www.oiforum.com/public/impagreements.html . However, it is an electrical (physical and link layer) interface. It does not specify a host interface, since the interesting feature of most devices is not an SPI-4 interface.
There may be cards out there that do have SPI-4 interfaces and Linux drivers, but the two are not necessarily related: the likely problem areas for a device driver are those shared with any 10 Gbit card, and are not specific to SPI-4 cards.
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