diff options
| -rw-r--r-- | sys/arch/armv7/imx/if_fec.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/sys/arch/armv7/imx/if_fec.c b/sys/arch/armv7/imx/if_fec.c index d9ef8a591d2..0ba9c0cc6fd 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 1.9 2016/07/22 13:20:30 jsg Exp $ */ +/* $OpenBSD: if_fec.c,v 1.10 2016/07/23 14:39:10 kettenis Exp $ */ /* * Copyright (c) 2012-2013 Patrick Wildt <patrick@blueri.se> * @@ -326,10 +326,20 @@ fec_attach(struct device *parent, struct device *self, void *aux) if (phy_reset_duration > 1000) phy_reset_duration = 1; + /* + * The Linux people really screwed the pooch here. + * The Linux kernel always treats the gpio as + * active-low, even if it is marked as active-high in + * the device tree. As a result the device tree for + * many boards incorrectly marks the gpio as + * active-high. + */ + phy_reset_gpio[2] = GPIO_ACTIVE_LOW; + gpio_controller_config_pin(phy_reset_gpio, GPIO_CONFIG_OUTPUT); - gpio_controller_set_pin(phy_reset_gpio, 0); - delay(phy_reset_duration * 1000); gpio_controller_set_pin(phy_reset_gpio, 1); + delay(phy_reset_duration * 1000); + gpio_controller_set_pin(phy_reset_gpio, 0); delay(1000); } printf("\n"); |