ffec: Avoid AXI bus issues due to a MAC reset

This commit is contained in:
Sebastian Huber
2017-09-27 09:42:10 +02:00
parent ba0b05902b
commit e2e4bf4999

View File

@@ -1656,6 +1656,13 @@ ffec_attach(device_t dev)
ffec_get_hwaddr(sc, eaddr);
/* Reset the hardware. Disables all interrupts. */
if (sc->fectype & FECFLAG_AVB)
/*
* Avoid AXI bus issues due to a MAC reset, see Linux for more
* details.
*/
WR4(sc, FEC_ECR_REG, 0);
else
WR4(sc, FEC_ECR_REG, FEC_ECR_RESET);
/* Setup interrupt handler. */