diff options
| author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2018-03-11 17:58:53 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@cvs.openbsd.org> | 2018-03-11 17:58:53 +0000 |
| commit | ba3e15997e1463a817692444c9e59ae15204a81d (patch) | |
| tree | 8b940c5a18eb79c97395677330056a920d0d4bea /sys/arch/armv7/imx | |
| parent | 550302f8427d89f30665f0c29772f1f42660913c (diff) | |
Wait for ETHEREN bit to clear instead of the RESET bit to prevent an
infinite loop on some i.MX6 boards.
From Artturi Alm.
Diffstat (limited to 'sys/arch/armv7/imx')
| -rw-r--r-- | sys/arch/armv7/imx/if_fec.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/sys/arch/armv7/imx/if_fec.c b/sys/arch/armv7/imx/if_fec.c index 899c1904144..4e52631a578 100644 --- a/sys/arch/armv7/imx/if_fec.c +++ b/sys/arch/armv7/imx/if_fec.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_fec.c,v 1.20 2017/01/22 10:17:37 dlg Exp $ */ +/* $OpenBSD: if_fec.c,v 1.21 2018/03/11 17:58:52 kettenis Exp $ */ /* * Copyright (c) 2012-2013 Patrick Wildt <patrick@blueri.se> * @@ -339,7 +339,8 @@ fec_attach(struct device *parent, struct device *self, void *aux) /* reset the controller */ HSET4(sc, ENET_ECR, ENET_ECR_RESET); - while(HREAD4(sc, ENET_ECR) & ENET_ECR_RESET); + while (HREAD4(sc, ENET_ECR) & ENET_ECR_ETHEREN) + continue; HWRITE4(sc, ENET_EIMR, 0); HWRITE4(sc, ENET_EIR, 0xffffffff); @@ -604,7 +605,8 @@ fec_init(struct fec_softc *sc) /* reset the controller */ HSET4(sc, ENET_ECR, ENET_ECR_RESET); - while(HREAD4(sc, ENET_ECR) & ENET_ECR_RESET); + while (HREAD4(sc, ENET_ECR) & ENET_ECR_ETHEREN) + continue; /* set hw address */ HWRITE4(sc, ENET_PALR, @@ -703,7 +705,8 @@ fec_stop(struct fec_softc *sc) /* reset the controller */ HSET4(sc, ENET_ECR, ENET_ECR_RESET); - while(HREAD4(sc, ENET_ECR) & ENET_ECR_RESET); + while (HREAD4(sc, ENET_ECR) & ENET_ECR_ETHEREN) + continue; } void |