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Original question:
Hi
We believe that we cannot communicate with the DSP because in our board the dsp is not connected to a single PHY it is connected to a switch with 5 phy, (marvell 88E6701) and we are connected to it by using port 5. we need to set the phy address to be 5.
I looked at the nimu driver code and try to figured out how to change the phy address. when i run the application and look in register MDIO0 -> USERACESS0 -> PHYADDR it is set to 7.
In file ti\pdk_omapl138_1_0_2\packages\ti\board\src\lcdkOMAPL138\include\board_cfg.h I try to set BOARD_ETH_PHY_ADDR from 7 to 5, and recompile the nimu driver. (gmake nimu)
I still do not have ping and now the MDIO0 -> USERACESS0 -> PHYADDR is 0.
What is the correct way to change the phy address?
I also looked on the following doc:
http://processors.wiki.ti.com/index.php/Guidelines_when_porting_NDK_to_different_PHYs
is this doc is relevant for the C6748 NDK 2.25.1.11
I didn't find the files mentions in this doc.
Best Regards
Ilan
Hi Ilan,
Sorry for the delayed response, I had to ask the NIMU/NDK expert for more info.
In the FAQ, there's a section called" How do I program the PHY through MDIO interface?"
This is for Keystone I/II devices but should apply to C6746 as well.
Also, when making changes to board_cfg.h, you will need to clean and rebuild the board library for changes to take effect.
