At startup the Ethernet PHY is in power down mode, so we need to force the "all capable" mode to activate it.
Signed-off-by: Philippe Reynes <[email protected]> --- arch/arm/mach-imx/imx27-dt.c | 21 +++++++++++++++++++++ 1 files changed, 21 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-imx/imx27-dt.c b/arch/arm/mach-imx/imx27-dt.c index e80d523..f212f81 100644 --- a/arch/arm/mach-imx/imx27-dt.c +++ b/arch/arm/mach-imx/imx27-dt.c @@ -12,6 +12,8 @@ #include <linux/irq.h> #include <linux/of_irq.h> #include <linux/of_platform.h> +#include <linux/delay.h> +#include <linux/phy.h> #include <asm/mach/arch.h> #include <asm/mach/time.h> #include <mach/common.h> @@ -32,8 +34,27 @@ static const struct of_dev_auxdata imx27_auxdata_lookup[] __initconst = { { /* sentinel */ } }; +int apf27_lan8700_wakeup(struct phy_device *phydev) +{ + int rc = phy_read(phydev, MII_DCOUNTER); + + phy_write(phydev, MII_DCOUNTER, rc | 0xE0); + phy_write(phydev, MII_BMCR, BMCR_RESET); + udelay(1000); + + return 0; +} + +static void __init apf27_init(void) +{ + phy_register_fixup_for_id("imx27-fec.0-1:1f", apf27_lan8700_wakeup); +} + static void __init imx27_dt_init(void) { + if (of_machine_is_compatible("armadeus,imx27-apf27")) + apf27_init(); + of_platform_populate(NULL, of_default_bus_match_table, imx27_auxdata_lookup, NULL); } -- 1.7.4.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
