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This driver supports GEM on Zynq and , Zynq Ultrascale+ MPSoC and Versal
How to enable
emacps driver can be found athttps://github.com/Xilinx/embeddedsw/tree/master/XilinxProcessorIPLib/drivers/emacps
The driver structure is as follows:
emacps
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- doc - Provides the API and data structure details
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- examples - Reference application to show how to use the driver.
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- src - Driver source files
Features supported
Controller/Driver features supported
- 10/100/1000 speeds, phy/external loop back (supported in emacps
- PHY management
- DMA, Packet buffer support, Checksum offload, FCS stripping, programmable IPG, multicasting, promiscuous and broadcast modes.
- Flow control and half duplex features are supported by controller but not demonstrated in the examples.
- ZynqMP and Versal only: 64 bit descriptor support, Priority queue support, Jumbo frame support, CCI support
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| Family | PHY | Support |
|---|---|---|
| Zynq | RGMII | Yes - supported in HW and driver |
| ZynqMP | RGMII | Yes - supported in HW and driver |
| ZynqMP | SGMII | Yes - supported in HW and driver |
| Versal | RGMII | Yes - supported in HW and driver |
Features not supported
- External FIFO interface - this driver only targets DMA
- Partial store and forward not supported
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- PHY device Marvell 88E1116 has been tested on Zynq evaluation board
- PHY devices Marvell 88E1512, TI DP83867 (RGMII and SGMII), VSC8211 and RTL8211 have been tested on ZynqMP.
- PHY devices Marvell 88E1512, TI DP83867, VSC8531_02 and RTL8211DN have been tested on Versal.
Performance
Standalone ethernet performance is benchmarked with the use of light weight IP library and application. Please refer to
http://www.wiki.xilinx.com/Standalone+LWIP+library#Performance
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6a7d6b2 emacps: Add provision to set RX watermark register
d4f92e6 emacps: Use selected speed in loopback mode
625c97b emacps: Fix BD space handling in examples
de0a89f emacps: Fix pointer cast warnings in examples
53a68ac emacps: Add support for psv_ethernet IP name
f626344 emacps: Fix data alignment for IAR compiler in example
7477196 emacps: Update example to use PSV_ suffix
2018.3
Summary:
- Cleanup and fixes for GCC and coverity warnings
- Support for 64 bit addressing on Microblaze
Commits:
07c73dd emacps: Fix GCC warnings and add an additional canonical property
40d00e8 emacps: Fix coverity warnings
6ea92b1 emacps: Fix unused variable warning in example
05be3ac emacps: Remove duplicate definition of XEmacPs_BdSetLength
5b51039 emacps: Fix PTP interrupt masks and cleanup stale comments
848ceb0 emacps: Fix warning for redefining interrupt number
b87f96d drivers: Support 64 bit DMA addresses for Microblaze-X
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