On 01/02/2016 14:15, Fabio Estevam wrote:
> From: Fabio Estevam <fabio.este...@nxp.com>
>
> Since commit 59370f3fcd1350 ("net: phy: delay only if reset handler is
> registered") Ethernet is no longer functional.
>
> This commit does not have an issue in itself, but it revelead a problem
> with the Ethernet initialization.
>
> According to the LAN8720 datasheet tpurstd (time that reset line should
> stay asserted) is 25ms.
>
> So do as suggested in order to have Ethernet working again.
>
> Signed-off-by: Fabio Estevam <fabio.este...@nxp.com>
> ---
> board/freescale/mx6slevk/mx6slevk.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/board/freescale/mx6slevk/mx6slevk.c
> b/board/freescale/mx6slevk/mx6slevk.c
> index 5eab4b5..721ec21 100644
> --- a/board/freescale/mx6slevk/mx6slevk.c
> +++ b/board/freescale/mx6slevk/mx6slevk.c
> @@ -156,7 +156,7 @@ static void setup_iomux_fec(void)
>
> /* Reset LAN8720 PHY */
> gpio_direction_output(ETH_PHY_RESET , 0);
> - udelay(1000);
> + udelay(25000);
> gpio_set_value(ETH_PHY_RESET, 1);
> }
Applied to u-boot-imx, thanks !
Best regards,
Stefano Babic
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