From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Warren Date: Tue, 15 Oct 2013 13:47:23 -0600 Subject: [U-Boot] [PATCH] Tegra114: spl: Set system clock to clk_m In-Reply-To: References: <1381180679-29524-1-git-send-email-twarren@nvidia.com> <525476A1.4020004@wwwdotorg.org> Message-ID: <525D9BCB.8010609@wwwdotorg.org> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 10/15/2013 01:37 PM, Tom Warren wrote: > Jimmy - please answer Stephen's questions below, and/or correct my answers. > > > On Tue, Oct 8, 2013 at 2:18 PM, Stephen Warren > wrote: > > On 10/07/2013 03:17 PM, Tom Warren wrote: > > From: Jimmy Zhang > > > > > Based on Tegra114 TRM, system clock can run up to 275MHz. On power on, > > Which exact clock is "system clock"? > > > In the T1x4 TRM, SCLK is the system clock that drives the AVP/COP. It > appears to have 8 possible sources (PLLP, CLK_M, etc.). See the settings > in CLK_RST_CONTROLLER_SCLK_BURST_POLICY_0 (offset 0x28 in the CAR block). My comment was really a request to ammend the commit description to use the actual clock name from the TRM (sclk??) rather than a description of the clock (system clock). Then, it'd be clear which clock it was talking about.