diff options
| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-09-27 09:42:10 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-09-27 11:02:06 +0200 |
| commit | e2e4bf4999648ed6c5e8c4ec59fbef0f0ca2a07d (patch) | |
| tree | 29cc10a931ea1169a11e907ae15ccd02e0bfa37c | |
| parent | ffec: Add FECFLAG_AVB variant flag (diff) | |
| download | rtems-libbsd-e2e4bf4999648ed6c5e8c4ec59fbef0f0ca2a07d.tar.bz2 | |
ffec: Avoid AXI bus issues due to a MAC reset
| -rw-r--r-- | freebsd/sys/dev/ffec/if_ffec.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/freebsd/sys/dev/ffec/if_ffec.c b/freebsd/sys/dev/ffec/if_ffec.c index 85a720fc..81440d52 100644 --- a/freebsd/sys/dev/ffec/if_ffec.c +++ b/freebsd/sys/dev/ffec/if_ffec.c @@ -1656,7 +1656,14 @@ ffec_attach(device_t dev) ffec_get_hwaddr(sc, eaddr); /* Reset the hardware. Disables all interrupts. */ - WR4(sc, FEC_ECR_REG, FEC_ECR_RESET); + 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. */ error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET | INTR_MPSAFE, |