From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dirk Behme Date: Sat, 06 Apr 2013 15:52:17 +0200 Subject: [U-Boot] [PATCH 3/3] mx6sl: Add initial support for mx6slevk board In-Reply-To: References: <1365209739-5586-1-git-send-email-festevam@gmail.com> <1365209739-5586-3-git-send-email-festevam@gmail.com> <515FCE52.3070605@gmail.com> Message-ID: <51602891.9060406@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Am 06.04.2013 14:47, schrieb Fabio Estevam: > Hi Dirk, > > On Sat, Apr 6, 2013 at 4:27 AM, Dirk Behme wrote: > >>> +DATA 4 0x020c4068 0xffffffff >>> +DATA 4 0x020c406c 0xffffffff >>> +DATA 4 0x020c4070 0xffffffff >>> +DATA 4 0x020c4074 0xffffffff >>> +DATA 4 0x020c4078 0xffffffff >>> +DATA 4 0x020c407c 0xffffffff >>> +DATA 4 0x020c4080 0xffffffff >> >> >> Again this default stuff? ;) > > I should have replied to your previous comment. > > I tried removing this block as you suggest and the board does not boot. > > Then I read the following from the FSL U-boot: > "/* Enable all clocks (they are disabled by ROM code)*/ > > That's why I am keeping them. Most probably it would be sufficient to enable only the clocks needed for booting ;) And not all clocks. On the other boards we do /* set the default clock gate to save power */ DATA 4 0x020c4068 0x00C03F3F DATA 4 0x020c406c 0x0030FC03 DATA 4 0x020c4070 0x0FFFC000 DATA 4 0x020c4074 0x3FF00000 DATA 4 0x020c4078 0x00FFF300 DATA 4 0x020c407c 0x0F0000C3 DATA 4 0x020c4080 0x000003FF http://git.denx.de/cgi-bin/gitweb.cgi?p=u-boot.git;a=blob;f=board/freescale/imx/ddr/mx6q_4x_mt41j128.cfg;h=f4cae5eeb9899ab4ba937ae286e004d6861f1d43;hb=refs/heads/master#l161 Do you like to try anything similar here, too? Best regards Dirk