From mboxrd@z Thu Jan 1 00:00:00 1970 From: York Sun Date: Fri, 7 Mar 2014 11:37:52 -0800 Subject: [U-Boot] [PATCH] board/b4860qds:Slow MDC clock to comply IEEE specs in PBI config In-Reply-To: <1393577339-4541-1-git-send-email-prabhakar@freescale.com> References: <1393577339-4541-1-git-send-email-prabhakar@freescale.com> Message-ID: <531A2010.9040806@freescale.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 02/28/2014 12:48 AM, Prabhakar Kushwaha wrote: > With the default value of MDIO_CLK_DIV generatee MDC is too high and It is > violating the IEEE specs much higher than 2.5Mhz. > > Although there is errata(A-006260) for EMI2(MDIO2), but same errata is > been hit on EMI1(MDIO1). unfortunately this errata never hit on B4 rev1. > So reduced the MDIO_CLK_DIV value. > Please fix the typo and some grammar error in the commit message. What is about B4 Rev 1? We support rev 2 and later in this u-boot. York