[U-Boot] [PATCH 3/3] mx6sl: Add initial support for mx6slevk board

[Dirk Behme]

Am 06.04.2013 14:47, schrieb Fabio Estevam:
> Hi Dirk,
>
> On Sat, Apr 6, 2013 at 4:27 AM, Dirk Behme <dirk.behme at gmail.com> 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