ETH driver and GMAC driver different

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ETH driver and GMAC driver different

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nioer
Contributor I

hi, NXP:

In  the RTD_ETH_UM.pdf of S32G274, there is two different drivers that all of them can be used for GMAC of S32G.

Which is the different of the two drivers?

nioer_0-1648005119278.png

 

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BigBen
Contributor I

if you refer to https://www.nxp.com/docs/en/product-brief/RTD-S32G2_PB.pdf page 6, you saw in the mapping table for hardware module GMAC, the SW module where IP enabled is ETH. scroll back to page 3, software content "the list of high-level drivers", Eth is again listed in while GMAC is not. So we could have : in S32G RTD, ETH is the high level driver exposed to the AUTOSAR , and GMAC(sw) is the low level interface to the hardware. 

 

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