From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sricharan R Date: Thu, 22 Aug 2013 17:09:55 +0530 Subject: [U-Boot] [PATCH] ARM: DRA: EMIF: Change DDR3 settings to use hw leveling In-Reply-To: <52144093.2050004@ti.com> References: <1377004656-17435-1-git-send-email-r.sricharan@ti.com> <20130820193800.GD2644@bill-the-cat> <52144093.2050004@ti.com> Message-ID: <5215F88B.3050202@ti.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Tom, On Wednesday 21 August 2013 09:52 AM, Sricharan R wrote: > Hi Tom, > > On Wednesday 21 August 2013 01:08 AM, Tom Rini wrote: >> On Tue, Aug 20, 2013 at 06:47:36PM +0530, Sricharan R wrote: >> >>> Currently the DDR3 memory on DRA7 ES1.0 evm board is enabled using >>> software leveling. This was done since hardware leveling was not >>> working. Now that the right sequence to do hw leveling is identified, >>> use it. This is required for EMIF clockdomain to idle and come back >>> during lowpower usecases. >> [snip] >>> #ifndef CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS >> OK, so this reminds me, should we be printing out something more now >> then, when we're calculating timings, rather than using precalculated >> ones? Or is that a different issue I'm thinking of? >> > This is not something to do with precalculated timings or auto config. > This patch is specific only to DDR3 memory and EMIF supports > auto leveling feature for DDR3. This feature was disabled for DRA7 > till now, but this patch enables that. I want to add one more change in patch. So will send V2 for this. Regards, Sricharan