10 Jun
2020
10 Jun
'20
1:06 p.m.
On 6/10/20 11:47 AM, Hayes Wang wrote:
Marek Vasut [mailto:marex@denx.de]
Sent: Tuesday, June 09, 2020 10:22 PM
[...]
bmcr = BMCR_ANENABLE | BMCR_ANRESTART;
bmcr = BMCR_ANENABLE | BMCR_ANRESTART | BMCR_RESET;Do you really need to reset a PHY while resetting the autonegotiation ? I think if you reset the PHY , then the ANEG operation is restarted by default or undefined, no ?
The setting is from the HW engineer. And I follow the rule for a long time. I think they know what they do.
If the hardware is OK with it, then that's fine.