From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Babic Date: Thu, 7 Jan 2016 17:50:24 +0100 Subject: [U-Boot] [PATCH v2 3/3] wandboard: Simplify the Ethernet PHY configuration In-Reply-To: <1452020574-29179-3-git-send-email-festevam@gmail.com> References: <1452020574-29179-1-git-send-email-festevam@gmail.com> <1452020574-29179-3-git-send-email-festevam@gmail.com> Message-ID: <568E9750.8040305@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 05/01/2016 20:02, Fabio Estevam wrote: > From: Fabio Estevam > > As per the AR8031 datasheet: > > "For a reliable power on reset, suggest to keep asserting the reset > low long enough (10ms) to ensure the clock is stable and clock-to-reset > 1ms requirement is satisfied." > > So do as suggested and also add a 100us delay after deasserting the > reset line to guarantee that the PHY ID can be read correctly and the > Atheros 8031 PHY driver can be loaded automatically. > > This results in a simpler code. > > Signed-off-by: Fabio Estevam > --- Applied (fix) to u-boot-imx, thanks ! Best regards, Stefano Babic -- ===================================================================== DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic at denx.de =====================================================================